43 files changed, 85 insertions, 2309 deletions

diff --git a/arch/arm/plat-samsung/include/plat/adc-core.h b/arch/arm/mach-s3c/adc-core.h
index 039f6862b6a7..039f6862b6a7 100644
--- a/arch/arm/plat-samsung/include/plat/adc-core.h
+++ b/arch/arm/mach-s3c/adc-core.h
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/mach-s3c/adc.c
index 4f7b27239bd4..0232520d3c13 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/mach-s3c/adc.c
@@ -19,8 +19,8 @@
 #include <linux/io.h>
 #include <linux/regulator/consumer.h>
 
-#include <plat/regs-adc.h>
-#include <plat/adc.h>
+#include "regs-adc.h"
+#include <linux/soc/samsung/s3c-adc.h>
 
 /* This driver is designed to control the usage of the ADC block between
  * the touchscreen and any other drivers that may need to use it, such as
@@ -333,7 +333,6 @@ static int s3c_adc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct adc_device *adc;
-	struct resource *regs;
 	enum s3c_cpu_type cpu = platform_get_device_id(pdev)->driver_data;
 	int ret;
 	unsigned tmp;
@@ -354,10 +353,8 @@ static int s3c_adc_probe(struct platform_device *pdev)
 	}
 
 	adc->irq = platform_get_irq(pdev, 1);
-	if (adc->irq <= 0) {
-		dev_err(dev, "failed to get adc irq\n");
+	if (adc->irq <= 0)
 		return -ENOENT;
-	}
 
 	ret = devm_request_irq(dev, adc->irq, s3c_adc_irq, 0, dev_name(dev),
 				adc);
@@ -372,8 +369,7 @@ static int s3c_adc_probe(struct platform_device *pdev)
 		return PTR_ERR(adc->clk);
 	}
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	adc->regs = devm_ioremap_resource(dev, regs);
+	adc->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(adc->regs))
 		return PTR_ERR(adc->regs);
 
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/mach-s3c/devs.c
index 089a17687104..9ac07c023adf 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/mach-s3c/devs.c
@@ -5,6 +5,7 @@
 //
 // Base Samsung platform device definitions
 
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
@@ -37,28 +38,32 @@
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
-#include <mach/dma.h>
-#include <mach/irqs.h>
-#include <mach/map.h>
+#include "irqs.h"
+#include "map.h"
+#include "gpio-samsung.h"
+#include "gpio-cfg.h"
 
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/adc.h>
+#ifdef CONFIG_PLAT_S3C24XX
+#include "regs-s3c2443-clock.h"
+#endif /* CONFIG_PLAT_S3C24XX */
+
+#include "cpu.h"
+#include "devs.h"
+#include <linux/soc/samsung/s3c-adc.h>
 #include <linux/platform_data/ata-samsung_cf.h>
-#include <plat/fb.h>
-#include <plat/fb-s3c2410.h>
+#include "fb.h"
+#include <linux/platform_data/fb-s3c2410.h>
 #include <linux/platform_data/hwmon-s3c.h>
 #include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/keypad.h>
+#include "keypad.h"
 #include <linux/platform_data/mmc-s3cmci.h>
 #include <linux/platform_data/mtd-nand-s3c2410.h>
-#include <plat/pwm-core.h>
-#include <plat/sdhci.h>
+#include "pwm-core.h"
+#include "sdhci.h"
 #include <linux/platform_data/touchscreen-s3c2410.h>
 #include <linux/platform_data/usb-s3c2410_udc.h>
 #include <linux/platform_data/usb-ohci-s3c2410.h>
-#include <plat/usb-phy.h>
-#include <plat/regs-spi.h>
+#include "usb-phy.h"
 #include <linux/platform_data/asoc-s3c.h>
 #include <linux/platform_data/spi-s3c64xx.h>
 
@@ -833,16 +838,42 @@ struct platform_device s3c_device_rtc = {
 /* SDI */
 
 #ifdef CONFIG_PLAT_S3C24XX
+void s3c24xx_mci_def_set_power(unsigned char power_mode, unsigned short vdd)
+{
+	switch (power_mode) {
+	case MMC_POWER_ON:
+	case MMC_POWER_UP:
+		/* Configure GPE5...GPE10 pins in SD mode */
+		s3c_gpio_cfgall_range(S3C2410_GPE(5), 6, S3C_GPIO_SFN(2),
+				      S3C_GPIO_PULL_NONE);
+		break;
+
+	case MMC_POWER_OFF:
+	default:
+		gpio_direction_output(S3C2410_GPE(5), 0);
+		break;
+	}
+}
+
 static struct resource s3c_sdi_resource[] = {
 	[0] = DEFINE_RES_MEM(S3C24XX_PA_SDI, S3C24XX_SZ_SDI),
 	[1] = DEFINE_RES_IRQ(IRQ_SDI),
 };
 
+static struct s3c24xx_mci_pdata s3cmci_def_pdata = {
+	/* This is currently here to avoid a number of if (host->pdata)
+	 * checks. Any zero fields to ensure reasonable defaults are picked. */
+	.no_wprotect = 1,
+	.no_detect = 1,
+	.set_power = s3c24xx_mci_def_set_power,
+};
+
 struct platform_device s3c_device_sdi = {
 	.name		= "s3c2410-sdi",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(s3c_sdi_resource),
 	.resource	= s3c_sdi_resource,
+	.dev.platform_data = &s3cmci_def_pdata,
 };
 
 void __init s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata)
@@ -1038,6 +1069,8 @@ struct platform_device s3c_device_usb_hsudc = {
 void __init s3c24xx_hsudc_set_platdata(struct s3c24xx_hsudc_platdata *pd)
 {
 	s3c_set_platdata(pd, sizeof(*pd), &s3c_device_usb_hsudc);
+	pd->phy_init = s3c_hsudc_init_phy;
+	pd->phy_uninit = s3c_hsudc_uninit_phy;
 }
 #endif /* CONFIG_PLAT_S3C24XX */
 
@@ -1074,8 +1107,7 @@ struct platform_device s3c64xx_device_spi0 = {
 	},
 };
 
-void __init s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
-						int num_cs)
+void __init s3c64xx_spi0_set_platdata(int src_clk_nr, int num_cs)
 {
 	struct s3c64xx_spi_info pd;
 
@@ -1087,80 +1119,8 @@ void __init s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
 
 	pd.num_cs = num_cs;
 	pd.src_clk_nr = src_clk_nr;
-	pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi0_cfg_gpio;
+	pd.cfg_gpio = s3c64xx_spi0_cfg_gpio;
 
 	s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi0);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI0 */
-
-#ifdef CONFIG_S3C64XX_DEV_SPI1
-static struct resource s3c64xx_spi1_resource[] = {
-	[0] = DEFINE_RES_MEM(S3C_PA_SPI1, SZ_256),
-	[1] = DEFINE_RES_IRQ(IRQ_SPI1),
-};
-
-struct platform_device s3c64xx_device_spi1 = {
-	.name		= "s3c6410-spi",
-	.id		= 1,
-	.num_resources	= ARRAY_SIZE(s3c64xx_spi1_resource),
-	.resource	= s3c64xx_spi1_resource,
-	.dev = {
-		.dma_mask		= &samsung_device_dma_mask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-};
-
-void __init s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
-						int num_cs)
-{
-	struct s3c64xx_spi_info pd;
-
-	/* Reject invalid configuration */
-	if (!num_cs || src_clk_nr < 0) {
-		pr_err("%s: Invalid SPI configuration\n", __func__);
-		return;
-	}
-
-	pd.num_cs = num_cs;
-	pd.src_clk_nr = src_clk_nr;
-	pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi1_cfg_gpio;
-
-	s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi1);
-}
-#endif /* CONFIG_S3C64XX_DEV_SPI1 */
-
-#ifdef CONFIG_S3C64XX_DEV_SPI2
-static struct resource s3c64xx_spi2_resource[] = {
-	[0] = DEFINE_RES_MEM(S3C_PA_SPI2, SZ_256),
-	[1] = DEFINE_RES_IRQ(IRQ_SPI2),
-};
-
-struct platform_device s3c64xx_device_spi2 = {
-	.name		= "s3c6410-spi",
-	.id		= 2,
-	.num_resources	= ARRAY_SIZE(s3c64xx_spi2_resource),
-	.resource	= s3c64xx_spi2_resource,
-	.dev = {
-		.dma_mask		= &samsung_device_dma_mask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-};
-
-void __init s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
-						int num_cs)
-{
-	struct s3c64xx_spi_info pd;
-
-	/* Reject invalid configuration */
-	if (!num_cs || src_clk_nr < 0) {
-		pr_err("%s: Invalid SPI configuration\n", __func__);
-		return;
-	}
-
-	pd.num_cs = num_cs;
-	pd.src_clk_nr = src_clk_nr;
-	pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi2_cfg_gpio;
-
-	s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi2);
-}
-#endif /* CONFIG_S3C64XX_DEV_SPI2 */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/mach-s3c/devs.h
index 02b0c5750572..991b9b2006a1 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/mach-s3c/devs.h
@@ -33,8 +33,6 @@ extern struct platform_device s3c64xx_device_onenand1;
 extern struct platform_device s3c64xx_device_pcm0;
 extern struct platform_device s3c64xx_device_pcm1;
 extern struct platform_device s3c64xx_device_spi0;
-extern struct platform_device s3c64xx_device_spi1;
-extern struct platform_device s3c64xx_device_spi2;
 
 extern struct platform_device s3c_device_adc;
 extern struct platform_device s3c_device_cfcon;
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/mach-s3c/fb.h
index 615d381ae32e..615d381ae32e 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/mach-s3c/fb.h
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/mach-s3c/gpio-cfg-helpers.h
index db0c56f5ca15..db0c56f5ca15 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/mach-s3c/gpio-cfg-helpers.h
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/mach-s3c/gpio-cfg.h
index 469c220e092b..469c220e092b 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/mach-s3c/gpio-cfg.h
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/mach-s3c/gpio-core.h
index c0bfceb88340..b361c8c0d669 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/mach-s3c/gpio-core.h
@@ -11,7 +11,7 @@
 #define __PLAT_SAMSUNG_GPIO_CORE_H
 
 /* Bring in machine-local definitions, especially S3C_GPIO_END */
-#include <mach/gpio-samsung.h>
+#include "gpio-samsung.h"
 #include <linux/gpio/driver.h>
 
 #define GPIOCON_OFF	(0x00)
diff --git a/arch/arm/plat-samsung/gpio-samsung.c b/arch/arm/mach-s3c/gpio-samsung.c
index 8955fd675265..b7fc7c41309c 100644
--- a/arch/arm/plat-samsung/gpio-samsung.c
+++ b/arch/arm/mach-s3c/gpio-samsung.c
@@ -26,16 +26,17 @@
 
 #include <asm/irq.h>
 
-#include <mach/irqs.h>
-#include <mach/map.h>
-#include <mach/regs-gpio.h>
-#include <mach/gpio-samsung.h>
-
-#include <plat/cpu.h>
-#include <plat/gpio-core.h>
-#include <plat/gpio-cfg.h>
-#include <plat/gpio-cfg-helpers.h>
-#include <plat/pm.h>
+#include "irqs.h"
+#include "map.h"
+#include "regs-gpio.h"
+#include "gpio-samsung.h"
+
+#include "cpu.h"
+#include "gpio-core.h"
+#include "gpio-cfg.h"
+#include "gpio-cfg-helpers.h"
+#include "hardware-s3c24xx.h"
+#include "pm.h"
 
 int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip,
 				unsigned int off, samsung_gpio_pull_t pull)
diff --git a/arch/arm/plat-samsung/include/plat/iic-core.h b/arch/arm/mach-s3c/iic-core.h
index c5cfd5af3874..c5cfd5af3874 100644
--- a/arch/arm/plat-samsung/include/plat/iic-core.h
+++ b/arch/arm/mach-s3c/iic-core.h
diff --git a/arch/arm/plat-samsung/include/plat/keypad.h b/arch/arm/mach-s3c/keypad.h
index 9754b9a29945..9754b9a29945 100644
--- a/arch/arm/plat-samsung/include/plat/keypad.h
+++ b/arch/arm/mach-s3c/keypad.h
diff --git a/arch/arm/plat-samsung/include/plat/map-base.h b/arch/arm/mach-s3c/map-base.h
index 34b39ded0e2e..463a995b399b 100644
--- a/arch/arm/plat-samsung/include/plat/map-base.h
+++ b/arch/arm/mach-s3c/map-base.h
@@ -33,6 +33,12 @@
 #define S3C_VA_WATCHDOG	S3C_ADDR(0x00400000)	/* watchdog */
 #define S3C_VA_UART	S3C_ADDR(0x01000000)	/* UART */
 
+/* ISA device mapping for BAST to use with inb()/outb() on 8-bit I/O.
+ * 16-bit I/O on BAST now requires driver modifications to manually
+ * ioremap CS3.
+ */
+#define S3C24XX_VA_ISA_BYTE	PCI_IOBASE
+
 /* This is used for the CPU specific mappings that may be needed, so that
  * they do not need to directly used S3C_ADDR() and thus make it easier to
  * modify the space for mapping.
diff --git a/arch/arm/plat-samsung/include/plat/map-s3c.h b/arch/arm/mach-s3c/map-s3c.h
index 4244acbf4b65..a18fdd3d6ae2 100644
--- a/arch/arm/plat-samsung/include/plat/map-s3c.h
+++ b/arch/arm/mach-s3c/map-s3c.h
@@ -9,6 +9,8 @@
 #ifndef __ASM_PLAT_MAP_S3C_H
 #define __ASM_PLAT_MAP_S3C_H __FILE__
 
+#include "map.h"
+
 #define S3C24XX_VA_IRQ		S3C_VA_IRQ
 #define S3C24XX_VA_MEMCTRL	S3C_VA_MEM
 #define S3C24XX_VA_UART		S3C_VA_UART
@@ -45,16 +47,8 @@
 
 #define S3C_VA_USB_HSPHY	S3C64XX_VA_USB_HSPHY
 
-/*
- * ISA style IO, for each machine to sort out mappings for,
- * if it implements it. We reserve two 16M regions for ISA.
- */
-
 #define S3C2410_ADDR(x)		S3C_ADDR(x)
 
-#define S3C24XX_VA_ISA_WORD	S3C2410_ADDR(0x02000000)
-#define S3C24XX_VA_ISA_BYTE	S3C2410_ADDR(0x03000000)
-
 /* deal with the registers that move under the 2412/2413 */
 
 #if defined(CONFIG_CPU_S3C2412)
@@ -71,6 +65,6 @@ extern void __iomem *s3c24xx_va_gpio2;
 #define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO
 #endif
 
-#include <plat/map-s5p.h>
+#include "map-s5p.h"
 
 #endif /* __ASM_PLAT_MAP_S3C_H */
diff --git a/arch/arm/plat-samsung/include/plat/map-s5p.h b/arch/arm/mach-s3c/map-s5p.h
index d69a0ca09fb5..cd237924e34d 100644
--- a/arch/arm/plat-samsung/include/plat/map-s5p.h
+++ b/arch/arm/mach-s3c/map-s5p.h
@@ -9,14 +9,12 @@
 #ifndef __ASM_PLAT_MAP_S5P_H
 #define __ASM_PLAT_MAP_S5P_H __FILE__
 
-#define S5P_VA_CHIPID		S3C_ADDR(0x02000000)
-
 #define VA_VIC(x)		(S3C_VA_IRQ + ((x) * 0x10000))
 #define VA_VIC0			VA_VIC(0)
 #define VA_VIC1			VA_VIC(1)
 #define VA_VIC2			VA_VIC(2)
 #define VA_VIC3			VA_VIC(3)
 
-#include <plat/map-s3c.h>
+#include "map-s3c.h"
 
 #endif /* __ASM_PLAT_MAP_S5P_H */
diff --git a/arch/arm/plat-samsung/platformdata.c b/arch/arm/mach-s3c/platformdata.c
index cbc3b4b45c74..e643c81aef45 100644
--- a/arch/arm/plat-samsung/platformdata.c
+++ b/arch/arm/mach-s3c/platformdata.c
@@ -9,8 +9,8 @@
 #include <linux/string.h>
 #include <linux/platform_device.h>
 
-#include <plat/devs.h>
-#include <plat/sdhci.h>
+#include "devs.h"
+#include "sdhci.h"
 
 void __init *s3c_set_platdata(void *pd, size_t pdsize,
 			      struct platform_device *pdev)
diff --git a/arch/arm/plat-samsung/pm-common.c b/arch/arm/mach-s3c/pm-common.c
index 59a10c6dcba1..618bd4499cae 100644
--- a/arch/arm/plat-samsung/pm-common.c
+++ b/arch/arm/mach-s3c/pm-common.c
@@ -12,7 +12,7 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 
-#include <plat/pm-common.h>
+#include "pm-common.h"
 
 /* helper functions to save and restore register state */
 
@@ -55,6 +55,8 @@ void s3c_pm_do_restore(const struct sleep_save *ptr, int count)
 
 /**
  * s3c_pm_do_restore_core() - early restore register values from save list.
+ * @ptr: Pointer to an array of registers.
+ * @count: Size of the ptr array.
  *
  * This is similar to s3c_pm_do_restore() except we try and minimise the
  * side effects of the function in case registers that hardware might need
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/mach-s3c/pm-gpio.c
index cb2e3bc79336..cfdbc2337998 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/mach-s3c/pm-gpio.c
@@ -13,10 +13,10 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
-#include <mach/gpio-samsung.h>
+#include "gpio-samsung.h"
 
-#include <plat/gpio-core.h>
-#include <plat/pm.h>
+#include "gpio-core.h"
+#include "pm.h"
 
 /* PM GPIO helpers */
 
diff --git a/arch/arm/plat-samsung/include/plat/pwm-core.h b/arch/arm/mach-s3c/pwm-core.h
index 05e3448642a1..05e3448642a1 100644
--- a/arch/arm/plat-samsung/include/plat/pwm-core.h
+++ b/arch/arm/mach-s3c/pwm-core.h
diff --git a/arch/arm/plat-samsung/include/plat/regs-adc.h b/arch/arm/mach-s3c/regs-adc.h
index 58953c7381dd..58953c7381dd 100644
--- a/arch/arm/plat-samsung/include/plat/regs-adc.h
+++ b/arch/arm/mach-s3c/regs-adc.h
diff --git a/arch/arm/plat-samsung/include/plat/regs-irqtype.h b/arch/arm/mach-s3c/regs-irqtype.h
index ec5c4c5fdd8f..ec5c4c5fdd8f 100644
--- a/arch/arm/plat-samsung/include/plat/regs-irqtype.h
+++ b/arch/arm/mach-s3c/regs-irqtype.h
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/mach-s3c/sdhci.h
index 5731e42ea208..9f9d419e58d7 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/mach-s3c/sdhci.h
@@ -15,7 +15,7 @@
 #define __PLAT_S3C_SDHCI_H __FILE__
 
 #include <linux/platform_data/mmc-sdhci-s3c.h>
-#include <plat/devs.h>
+#include "devs.h"
 
 /* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data
  * @pd: The default platform data for this device.
diff --git a/arch/arm/plat-samsung/include/plat/usb-phy.h b/arch/arm/mach-s3c/usb-phy.h
index 759d66a0773a..759d66a0773a 100644
--- a/arch/arm/plat-samsung/include/plat/usb-phy.h
+++ b/arch/arm/mach-s3c/usb-phy.h
diff --git a/arch/arm/plat-samsung/wakeup-mask.c b/arch/arm/mach-s3c/wakeup-mask.c
index 24f96fb80738..b490e7527c66 100644
--- a/arch/arm/plat-samsung/wakeup-mask.c
+++ b/arch/arm/mach-s3c/wakeup-mask.c
@@ -11,8 +11,8 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 
-#include <plat/wakeup-mask.h>
-#include <plat/pm.h>
+#include "wakeup-mask.h"
+#include "pm.h"
 
 void samsung_sync_wakemask(void __iomem *reg,
 			   const struct samsung_wakeup_mask *mask, int nr_mask)
diff --git a/arch/arm/plat-samsung/include/plat/wakeup-mask.h b/arch/arm/mach-s3c/wakeup-mask.h
index 630909e6630b..630909e6630b 100644
--- a/arch/arm/plat-samsung/include/plat/wakeup-mask.h
+++ b/arch/arm/mach-s3c/wakeup-mask.h
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
deleted file mode 100644
index 301e572651c0..000000000000
--- a/arch/arm/plat-samsung/Kconfig
+++ /dev/null
@@ -1,308 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Copyright 2009 Simtec Electronics
-
-config PLAT_SAMSUNG
-	bool
-	depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_EXYNOS || ARCH_S5PV210
-	default y
-	select GENERIC_IRQ_CHIP
-	select NO_IOPORT_MAP
-	help
-	  Base platform code for all Samsung SoC based systems
-
-config SAMSUNG_PM
-	bool
-	depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX)
-	default y
-	help
-	  Base platform power management code for samsung code
-
-if PLAT_SAMSUNG
-menu "Samsung Common options"
-
-# boot configurations
-
-comment "Boot options"
-
-config S3C_LOWLEVEL_UART_PORT
-	int "S3C UART to use for low-level messages"
-	depends on ARCH_S3C64XX
-	default 0
-	help
-	  Choice of which UART port to use for the low-level messages,
-	  such as the `Uncompressing...` at start time. The value of
-	  this configuration should be between zero and two. The port
-	  must have been initialised by the boot-loader before use.
-
-config SAMSUNG_ATAGS
-	def_bool n
-	depends on ATAGS
-	help
-	   This option enables ATAGS based boot support code for
-	   Samsung platforms, including static platform devices, legacy
-	   clock, timer and interrupt initialization, etc.
-
-	   Platforms that support only DT based boot need not to select
-	   this option.
-
-if SAMSUNG_ATAGS
-
-config S3C_GPIO_SPACE
-	int "Space between gpio banks"
-	default 0
-	help
-	  Add a number of spare GPIO entries between each bank for debugging
-	  purposes. This allows any problems where an counter overflows from
-	  one bank to another to be caught, at the expense of using a little
-	  more memory.
-
-config S3C_GPIO_TRACK
-	bool
-	help
-	  Internal configuration option to enable the s3c specific gpio
-	  chip tracking if the platform requires it.
-
-# ADC driver
-
-config S3C_ADC
-	bool "ADC common driver support"
-	depends on !ARCH_MULTIPLATFORM
-	help
-	  Core support for the ADC block found in the Samsung SoC systems
-	  for drivers such as the touchscreen and hwmon to use to share
-	  this resource.
-
-# device definitions to compile in
-
-config S3C_DEV_HSMMC
-	bool
-	help
-	  Compile in platform device definitions for HSMMC code
-
-config S3C_DEV_HSMMC1
-	bool
-	help
-	  Compile in platform device definitions for HSMMC channel 1
-
-config S3C_DEV_HSMMC2
-	bool
-	help
-	  Compile in platform device definitions for HSMMC channel 2
-
-config S3C_DEV_HSMMC3
-	bool
-	help
-	  Compile in platform device definitions for HSMMC channel 3
-
-config S3C_DEV_HWMON
-	bool
-	help
-	    Compile in platform device definitions for HWMON
-
-config S3C_DEV_I2C1
-	bool
-	help
-	  Compile in platform device definitions for I2C channel 1
-
-config S3C_DEV_I2C2
-	bool
-	help
-	  Compile in platform device definitions for I2C channel 2
-
-config S3C_DEV_I2C3
-	bool
-	help
-	  Compile in platform device definition for I2C controller 3
-
-config S3C_DEV_I2C4
-	bool
-	help
-	  Compile in platform device definition for I2C controller 4
-
-config S3C_DEV_I2C5
-	bool
-	help
-	  Compile in platform device definition for I2C controller 5
-
-config S3C_DEV_I2C6
-	bool
-	help
-	  Compile in platform device definition for I2C controller 6
-
-config S3C_DEV_I2C7
-	bool
-	help
-	  Compile in platform device definition for I2C controller 7
-
-config S3C_DEV_FB
-	bool
-	help
-	  Compile in platform device definition for framebuffer
-
-config S3C_DEV_USB_HOST
-	bool
-	help
-	  Compile in platform device definition for USB host.
-
-config S3C_DEV_USB_HSOTG
-	bool
-	help
-	  Compile in platform device definition for USB high-speed OtG
-
-config S3C_DEV_WDT
-	bool
-	default y if ARCH_S3C24XX
-	help
-	  Complie in platform device definition for Watchdog Timer
-
-config S3C_DEV_NAND
-	bool
-	help
-	  Compile in platform device definition for NAND controller
-
-config S3C_DEV_ONENAND
-	bool
-	help
-	  Compile in platform device definition for OneNAND controller
-
-config S3C_DEV_RTC
-	bool
-	help
-	  Complie in platform device definition for RTC
-
-config SAMSUNG_DEV_ADC
-	bool
-	help
-	  Compile in platform device definition for ADC controller
-
-config SAMSUNG_DEV_IDE
-	bool
-	help
-	  Compile in platform device definitions for IDE
-
-config S3C64XX_DEV_SPI0
-	bool
-	help
-	  Compile in platform device definitions for S3C64XX's type
-	  SPI controller 0
-
-config S3C64XX_DEV_SPI1
-	bool
-	help
-	  Compile in platform device definitions for S3C64XX's type
-	  SPI controller 1
-
-config S3C64XX_DEV_SPI2
-	bool
-	help
-	  Compile in platform device definitions for S3C64XX's type
-	  SPI controller 2
-
-config SAMSUNG_DEV_TS
-	bool
-	help
-	    Common in platform device definitions for touchscreen device
-
-config SAMSUNG_DEV_KEYPAD
-	bool
-	help
-	  Compile in platform device definitions for keypad
-
-config SAMSUNG_DEV_PWM
-	bool
-	default y if ARCH_S3C24XX
-	help
-	  Compile in platform device definition for PWM Timer
-
-config S3C24XX_PWM
-	bool "PWM device support"
-	select PWM
-	select PWM_SAMSUNG
-	help
-	  Support for exporting the PWM timer blocks via the pwm device
-	  system
-
-config GPIO_SAMSUNG
-	def_bool y
-
-config SAMSUNG_PM_GPIO
-	bool
-	default y if GPIO_SAMSUNG && PM
-	help
-	  Include legacy GPIO power management code for platforms not using
-	  pinctrl-samsung driver.
-endif
-
-comment "Power management"
-
-config SAMSUNG_PM_DEBUG
-	bool "Samsung PM Suspend debug"
-	depends on PM && DEBUG_KERNEL
-	depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
-	depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
-	help
-	  Say Y here if you want verbose debugging from the PM Suspend and
-	  Resume code. See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
-	  for more information.
-
-config S3C_PM_DEBUG_LED_SMDK
-       bool "SMDK LED suspend/resume debugging"
-       depends on PM && (MACH_SMDK6410)
-       help
-         Say Y here to enable the use of the SMDK LEDs on the baseboard
-	 for debugging of the state of the suspend and resume process.
-
-	 Note, this currently only works for S3C64XX based SMDK boards.
-
-config SAMSUNG_PM_CHECK
-	bool "S3C2410 PM Suspend Memory CRC"
-	depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210)
-	select CRC32
-	help
-	  Enable the PM code's memory area checksum over sleep. This option
-	  will generate CRCs of all blocks of memory, and store them before
-	  going to sleep. The blocks are then checked on resume for any
-	  errors.
-
-	  Note, this can take several seconds depending on memory size
-	  and CPU speed.
-
-	  See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
-
-config SAMSUNG_PM_CHECK_CHUNKSIZE
-	int "S3C2410 PM Suspend CRC Chunksize (KiB)"
-	depends on PM && SAMSUNG_PM_CHECK
-	default 64
-	help
-	  Set the chunksize in Kilobytes of the CRC for checking memory
-	  corruption over suspend and resume. A smaller value will mean that
-	  the CRC data block will take more memory, but will identify any
-	  faults with better precision.
-
-	  See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
-
-config SAMSUNG_WAKEMASK
-	bool
-	depends on PM
-	help
-	  Compile support for wakeup-mask controls found on the S3C6400
-	  and above. This code allows a set of interrupt to wakeup-mask
-	  mappings. See <plat/wakeup-mask.h>
-
-config SAMSUNG_WDT_RESET
-	bool
-	help
-	  Compile support for system restart by triggering watchdog reset.
-	  Used on SoCs that do not provide dedicated reset control.
-
-config DEBUG_S3C_UART
-	depends on PLAT_SAMSUNG
-	int
-	default "0" if DEBUG_S3C_UART0
-	default "1" if DEBUG_S3C_UART1
-	default "2" if DEBUG_S3C_UART2
-	default "3" if DEBUG_S3C_UART3
-
-endmenu
-endif
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
deleted file mode 100644
index 3db9d2c38258..000000000000
--- a/arch/arm/plat-samsung/Makefile
+++ /dev/null
@@ -1,35 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Copyright 2009 Simtec Electronics
-
-ccflags-$(CONFIG_ARCH_S3C64XX) := -I$(srctree)/arch/arm/mach-s3c64xx/include
-ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include
-
-# Objects we always build independent of SoC choice
-
-obj-y				+= init.o cpu.o
-
-# ADC
-
-obj-$(CONFIG_S3C_ADC)	+= adc.o
-
-# devices
-
-obj-$(CONFIG_SAMSUNG_ATAGS)	+= platformdata.o
-
-obj-$(CONFIG_SAMSUNG_ATAGS)	+= devs.o
-obj-$(CONFIG_SAMSUNG_ATAGS)	+= dev-uart.o
-
-obj-$(CONFIG_GPIO_SAMSUNG)     += gpio-samsung.o
-
-# PM support
-
-obj-$(CONFIG_PM_SLEEP)		+= pm-common.o
-obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm-common.o
-obj-$(CONFIG_SAMSUNG_PM)	+= pm.o
-obj-$(CONFIG_SAMSUNG_PM_GPIO)	+= pm-gpio.o
-obj-$(CONFIG_SAMSUNG_PM_CHECK)	+= pm-check.o
-obj-$(CONFIG_SAMSUNG_PM_DEBUG)	+= pm-debug.o
-
-obj-$(CONFIG_SAMSUNG_WAKEMASK)	+= wakeup-mask.o
-obj-$(CONFIG_SAMSUNG_WDT_RESET)	+= watchdog-reset.o
diff --git a/arch/arm/plat-samsung/cpu.c b/arch/arm/plat-samsung/cpu.c
deleted file mode 100644
index e1ba88ba31d8..000000000000
--- a/arch/arm/plat-samsung/cpu.c
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
-//		http://www.samsung.com
-//
-// Samsung CPU Support
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <plat/map-base.h>
-#include <plat/cpu.h>
-
-unsigned long samsung_cpu_id;
-static unsigned int samsung_cpu_rev;
-
-unsigned int samsung_rev(void)
-{
-	return samsung_cpu_rev;
-}
-EXPORT_SYMBOL(samsung_rev);
-
-void __init s3c64xx_init_cpu(void)
-{
-	samsung_cpu_id = readl_relaxed(S3C_VA_SYS + 0x118);
-	if (!samsung_cpu_id) {
-		/*
-		 * S3C6400 has the ID register in a different place,
-		 * and needs a write before it can be read.
-		 */
-		writel_relaxed(0x0, S3C_VA_SYS + 0xA1C);
-		samsung_cpu_id = readl_relaxed(S3C_VA_SYS + 0xA1C);
-	}
-
-	samsung_cpu_rev = 0;
-
-	pr_info("Samsung CPU ID: 0x%08lx\n", samsung_cpu_id);
-}
-
-void __init s5p_init_cpu(const void __iomem *cpuid_addr)
-{
-	samsung_cpu_id = readl_relaxed(cpuid_addr);
-	samsung_cpu_rev = samsung_cpu_id & 0xFF;
-
-	pr_info("Samsung CPU ID: 0x%08lx\n", samsung_cpu_id);
-}
diff --git a/arch/arm/plat-samsung/dev-uart.c b/arch/arm/plat-samsung/dev-uart.c
deleted file mode 100644
index 7476a5dbae77..000000000000
--- a/arch/arm/plat-samsung/dev-uart.c
+++ /dev/null
@@ -1,41 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-//	originally from arch/arm/plat-s3c24xx/devs.c
-//
-// Copyright (c) 2004 Simtec Electronics
-//	Ben Dooks <ben@simtec.co.uk>
-//
-// Base S3C24XX platform device definitions
-
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-
-#include <plat/devs.h>
-
-/* uart devices */
-
-static struct platform_device s3c24xx_uart_device0 = {
-	.id		= 0,
-};
-
-static struct platform_device s3c24xx_uart_device1 = {
-	.id		= 1,
-};
-
-static struct platform_device s3c24xx_uart_device2 = {
-	.id		= 2,
-};
-
-static struct platform_device s3c24xx_uart_device3 = {
-	.id		= 3,
-};
-
-struct platform_device *s3c24xx_uart_src[4] = {
-	&s3c24xx_uart_device0,
-	&s3c24xx_uart_device1,
-	&s3c24xx_uart_device2,
-	&s3c24xx_uart_device3,
-};
-
-struct platform_device *s3c24xx_uart_devs[4] = {
-};
diff --git a/arch/arm/plat-samsung/include/plat/adc.h b/arch/arm/plat-samsung/include/plat/adc.h
deleted file mode 100644
index 74d1a46408c1..000000000000
--- a/arch/arm/plat-samsung/include/plat/adc.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2008 Simtec Electronics
- *	http://armlinux.simtec.co.uk/	
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C ADC driver information
- */
-
-#ifndef __ASM_PLAT_ADC_H
-#define __ASM_PLAT_ADC_H __FILE__
-
-struct s3c_adc_client;
-struct platform_device;
-
-extern int s3c_adc_start(struct s3c_adc_client *client,
-			 unsigned int channel, unsigned int nr_samples);
-
-extern int s3c_adc_read(struct s3c_adc_client *client, unsigned int ch);
-
-extern struct s3c_adc_client *
-	s3c_adc_register(struct platform_device *pdev,
-			 void (*select)(struct s3c_adc_client *client,
-					unsigned selected),
-			 void (*conv)(struct s3c_adc_client *client,
-				      unsigned d0, unsigned d1,
-				      unsigned *samples_left),
-			 unsigned int is_ts);
-
-extern void s3c_adc_release(struct s3c_adc_client *client);
-
-#endif /* __ASM_PLAT_ADC_H */
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
deleted file mode 100644
index 2c7cf2665634..000000000000
--- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
+++ /dev/null
@@ -1,287 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2006-2009 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C CPU frequency scaling support - core support
- */
-
-#include <plat/cpu-freq.h>
-
-struct seq_file;
-
-#define MAX_BANKS (8)
-#define S3C2412_MAX_IO	(8)
-
-/**
- * struct s3c2410_iobank_timing - IO bank timings for S3C2410 style timings
- * @bankcon: The cached version of settings in this structure.
- * @tacp:
- * @tacs: Time from address valid to nCS asserted.
- * @tcos: Time from nCS asserted to nOE or nWE asserted.
- * @tacc: Time that nOE or nWE is asserted.
- * @tcoh: Time nCS is held after nOE or nWE are released.
- * @tcah: Time address is held for after
- * @nwait_en: Whether nWAIT is enabled for this bank.
- *
- * This structure represents the IO timings for a S3C2410 style IO bank
- * used by the CPU frequency support if it needs to change the settings
- * of the IO.
- */
-struct s3c2410_iobank_timing {
-	unsigned long	bankcon;
-	unsigned int	tacp;
-	unsigned int	tacs;
-	unsigned int	tcos;
-	unsigned int	tacc;
-	unsigned int	tcoh;		/* nCS hold after nOE/nWE */
-	unsigned int	tcah;		/* Address hold after nCS */
-	unsigned char	nwait_en;	/* nWait enabled for bank. */
-};
-
-/**
- * struct s3c2412_iobank_timing - io timings for PL092 (S3C2412) style IO
- * @idcy: The idle cycle time between transactions.
- * @wstrd: nCS release to end of read cycle.
- * @wstwr: nCS release to end of write cycle.
- * @wstoen: nCS assertion to nOE assertion time.
- * @wstwen: nCS assertion to nWE assertion time.
- * @wstbrd: Burst ready delay.
- * @smbidcyr: Register cache for smbidcyr value.
- * @smbwstrd: Register cache for smbwstrd value.
- * @smbwstwr: Register cache for smbwstwr value.
- * @smbwstoen: Register cache for smbwstoen value.
- * @smbwstwen: Register cache for smbwstwen value.
- * @smbwstbrd: Register cache for smbwstbrd value.
- *
- * Timing information for a IO bank on an S3C2412 or similar system which
- * uses a PL093 block.
- */
-struct s3c2412_iobank_timing {
-	unsigned int	idcy;
-	unsigned int	wstrd;
-	unsigned int	wstwr;
-	unsigned int	wstoen;
-	unsigned int	wstwen;
-	unsigned int	wstbrd;
-
-	/* register cache */
-	unsigned char	smbidcyr;
-	unsigned char	smbwstrd;
-	unsigned char	smbwstwr;
-	unsigned char	smbwstoen;
-	unsigned char	smbwstwen;
-	unsigned char	smbwstbrd;
-};
-
-union s3c_iobank {
-	struct s3c2410_iobank_timing	*io_2410;
-	struct s3c2412_iobank_timing	*io_2412;
-};
-
-/**
- * struct s3c_iotimings - Chip IO timings holder
- * @bank: The timings for each IO bank.
- */
-struct s3c_iotimings {
-	union s3c_iobank	bank[MAX_BANKS];
-};
-
-/**
- * struct s3c_plltab - PLL table information.
- * @vals: List of PLL values.
- * @size: Size of the PLL table @vals.
- */
-struct s3c_plltab {
-	struct s3c_pllval	*vals;
-	int			 size;
-};
-
-/**
- * struct s3c_cpufreq_config - current cpu frequency configuration
- * @freq: The current settings for the core clocks.
- * @max: Maxium settings, derived from core, board and user settings.
- * @pll: The PLL table entry for the current PLL settings.
- * @divs: The divisor settings for the core clocks.
- * @info: The current core driver information.
- * @board: The information for the board we are running on.
- * @lock_pll: Set if the PLL settings cannot be changed.
- *
- * This is for the core drivers that need to know information about
- * the current settings and values. It should not be needed by any
- * device drivers.
-*/
-struct s3c_cpufreq_config {
-	struct s3c_freq		freq;
-	struct s3c_freq		max;
-	struct clk		*mpll;
-	struct cpufreq_frequency_table pll;
-	struct s3c_clkdivs	divs;
-	struct s3c_cpufreq_info *info;	/* for core, not drivers */
-	struct s3c_cpufreq_board *board;
-
-	unsigned int	lock_pll:1;
-};
-
-/**
- * struct s3c_cpufreq_info - Information for the CPU frequency driver.
- * @name: The name of this implementation.
- * @max: The maximum frequencies for the system.
- * @latency: Transition latency to give to cpufreq.
- * @locktime_m: The lock-time in uS for the MPLL.
- * @locktime_u: The lock-time in uS for the UPLL.
- * @locttime_bits: The number of bits each LOCKTIME field.
- * @need_pll: Set if this driver needs to change the PLL values to achieve
- *	any frequency changes. This is really only need by devices like the
- *	S3C2410 where there is no or limited divider between the PLL and the
- *	ARMCLK.
- * @get_iotiming: Get the current IO timing data, mainly for use at start.
- * @set_iotiming: Update the IO timings from the cached copies calculated
- *	from the @calc_iotiming entry when changing the frequency.
- * @calc_iotiming: Calculate and update the cached copies of the IO timings
- *	from the newly calculated frequencies.
- * @calc_freqtable: Calculate (fill in) the given frequency table from the
- *	current frequency configuration. If the table passed in is NULL,
- *	then the return is the number of elements to be filled for allocation
- *	of the table.
- * @set_refresh: Set the memory refresh configuration.
- * @set_fvco: Set the PLL frequencies.
- * @set_divs: Update the clock divisors.
- * @calc_divs: Calculate the clock divisors.
- */
-struct s3c_cpufreq_info {
-	const char		*name;
-	struct s3c_freq		max;
-
-	unsigned int		latency;
-
-	unsigned int		locktime_m;
-	unsigned int		locktime_u;
-	unsigned char		locktime_bits;
-
-	unsigned int		need_pll:1;
-
-	/* driver routines */
-
-	int		(*get_iotiming)(struct s3c_cpufreq_config *cfg,
-					struct s3c_iotimings *timings);
-
-	void		(*set_iotiming)(struct s3c_cpufreq_config *cfg,
-					struct s3c_iotimings *timings);
-
-	int		(*calc_iotiming)(struct s3c_cpufreq_config *cfg,
-					 struct s3c_iotimings *timings);
-
-	int		(*calc_freqtable)(struct s3c_cpufreq_config *cfg,
-					  struct cpufreq_frequency_table *t,
-					  size_t table_size);
-
-	void		(*debug_io_show)(struct seq_file *seq,
-					 struct s3c_cpufreq_config *cfg,
-					 union s3c_iobank *iob);
-
-	void		(*set_refresh)(struct s3c_cpufreq_config *cfg);
-	void		(*set_fvco)(struct s3c_cpufreq_config *cfg);
-	void		(*set_divs)(struct s3c_cpufreq_config *cfg);
-	int		(*calc_divs)(struct s3c_cpufreq_config *cfg);
-};
-
-extern int s3c_cpufreq_register(struct s3c_cpufreq_info *info);
-
-extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
-			       unsigned int plls_no);
-
-/* exports and utilities for debugfs */
-extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
-extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS
-#define s3c_cpufreq_debugfs_call(x) x
-#else
-#define s3c_cpufreq_debugfs_call(x) NULL
-#endif
-
-/* Useful utility functions. */
-
-extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *);
-
-/* S3C2410 and compatible exported functions */
-
-extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg);
-extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
-
-#ifdef CONFIG_S3C2410_IOTIMING
-extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
-				     struct s3c_cpufreq_config *cfg,
-				     union s3c_iobank *iob);
-
-extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg,
-				 struct s3c_iotimings *iot);
-
-extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
-				struct s3c_iotimings *timings);
-
-extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
-				 struct s3c_iotimings *iot);
-#else
-#define s3c2410_iotiming_debugfs NULL
-#define s3c2410_iotiming_calc NULL
-#define s3c2410_iotiming_get NULL
-#define s3c2410_iotiming_set NULL
-#endif /* CONFIG_S3C2410_IOTIMING */
-
-/* S3C2412 compatible routines */
-
-#ifdef CONFIG_S3C2412_IOTIMING
-extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
-				     struct s3c_cpufreq_config *cfg,
-				     union s3c_iobank *iob);
-
-extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
-				struct s3c_iotimings *timings);
-
-extern int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg,
-				 struct s3c_iotimings *iot);
-
-extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
-				 struct s3c_iotimings *iot);
-#else
-#define s3c2412_iotiming_debugfs NULL
-#define s3c2412_iotiming_calc NULL
-#define s3c2412_iotiming_get NULL
-#define s3c2412_iotiming_set NULL
-#endif /* CONFIG_S3C2412_IOTIMING */
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG
-#define s3c_freq_dbg(x...) printk(KERN_INFO x)
-#else
-#define s3c_freq_dbg(x...) do { if (0) printk(x); } while (0)
-#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG */
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG
-#define s3c_freq_iodbg(x...) printk(KERN_INFO x)
-#else
-#define s3c_freq_iodbg(x...) do { if (0) printk(x); } while (0)
-#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG */
-
-static inline int s3c_cpufreq_addfreq(struct cpufreq_frequency_table *table,
-				      int index, size_t table_size,
-				      unsigned int freq)
-{
-	if (index < 0)
-		return index;
-
-	if (table) {
-		if (index >= table_size)
-			return -ENOMEM;
-
-		s3c_freq_dbg("%s: { %d = %u kHz }\n",
-			     __func__, index, freq);
-
-		table[index].driver_data = index;
-		table[index].frequency = freq;
-	}
-
-	return index + 1;
-}
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq.h b/arch/arm/plat-samsung/include/plat/cpu-freq.h
deleted file mode 100644
index 558892bcf9b6..000000000000
--- a/arch/arm/plat-samsung/include/plat/cpu-freq.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2006-2007 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C CPU frequency scaling support - driver and board
- */
-
-#include <linux/cpufreq.h>
-
-struct s3c_cpufreq_info;
-struct s3c_cpufreq_board;
-struct s3c_iotimings;
-
-/**
- * struct s3c_freq - frequency information (mainly for core drivers)
- * @fclk: The FCLK frequency in Hz.
- * @armclk: The ARMCLK frequency in Hz.
- * @hclk_tns: HCLK cycle time in 10ths of nano-seconds.
- * @hclk: The HCLK frequency in Hz.
- * @pclk: The PCLK frequency in Hz.
- *
- * This contains the frequency information about the current configuration
- * mainly for the core drivers to ensure we do not end up passing about
- * a large number of parameters.
- *
- * The @hclk_tns field is a useful cache for the parts of the drivers that
- * need to calculate IO timings and suchlike.
- */
-struct s3c_freq {
-	unsigned long	fclk;
-	unsigned long	armclk;
-	unsigned long	hclk_tns;	/* in 10ths of ns */
-	unsigned long	hclk;
-	unsigned long	pclk;
-};
-
-/**
- * struct s3c_cpufreq_freqs - s3c cpufreq notification information.
- * @freqs: The cpufreq setting information.
- * @old: The old clock settings.
- * @new: The new clock settings.
- * @pll_changing: Set if the PLL is changing.
- *
- * Wrapper 'struct cpufreq_freqs' so that any drivers receiving the
- * notification can use this information that is not provided by just
- * having the core frequency alone.
- *
- * The pll_changing flag is used to indicate if the PLL itself is
- * being set during this change. This is important as the clocks
- * will temporarily be set to the XTAL clock during this time, so
- * drivers may want to close down their output during this time.
- *
- * Note, this is not being used by any current drivers and therefore
- * may be removed in the future.
- */
-struct s3c_cpufreq_freqs {
-	struct cpufreq_freqs	freqs;
-	struct s3c_freq		old;
-	struct s3c_freq		new;
-
-	unsigned int		pll_changing:1;
-};
-
-#define to_s3c_cpufreq(_cf) container_of(_cf, struct s3c_cpufreq_freqs, freqs)
-
-/**
- * struct s3c_clkdivs - clock divisor information
- * @p_divisor: Divisor from FCLK to PCLK.
- * @h_divisor: Divisor from FCLK to HCLK.
- * @arm_divisor: Divisor from FCLK to ARMCLK (not all CPUs).
- * @dvs: Non-zero if using DVS mode for ARMCLK.
- *
- * Divisor settings for the core clocks.
- */
-struct s3c_clkdivs {
-	int		p_divisor;
-	int		h_divisor;
-	int		arm_divisor;
-	unsigned char	dvs;
-};
-
-#define PLLVAL(_m, _p, _s) (((_m) << 12) | ((_p) << 4) | (_s))
-
-/**
- * struct s3c_pllval - PLL value entry.
- * @freq: The frequency for this entry in Hz.
- * @pll_reg: The PLL register setting for this PLL value.
- */
-struct s3c_pllval {
-	unsigned long		freq;
-	unsigned long		pll_reg;
-};
-
-/**
- * struct s3c_cpufreq_board - per-board cpu frequency informatin
- * @refresh: The SDRAM refresh period in nanoseconds.
- * @auto_io: Set if the IO timing settings should be generated from the
- *	initialisation time hardware registers.
- * @need_io: Set if the board has external IO on any of the chipselect
- *	lines that will require the hardware timing registers to be
- *	updated on a clock change.
- * @max: The maxium frequency limits for the system. Any field that
- *	is left at zero will use the CPU's settings.
- *
- * This contains the board specific settings that affect how the CPU
- * drivers chose settings. These include the memory refresh and IO
- * timing information.
- *
- * Registration depends on the driver being used, the ARMCLK only
- * implementation does not currently need this but the older style
- * driver requires this to be available.
- */
-struct s3c_cpufreq_board {
-	unsigned int	refresh;
-	unsigned int	auto_io:1;	/* automatically init io timings. */
-	unsigned int	need_io:1;	/* set if needs io timing support. */
-
-	/* any non-zero field in here is taken as an upper limit. */
-	struct s3c_freq	max;	/* frequency limits */
-};
-
-/* Things depending on frequency scaling. */
-#ifdef CONFIG_ARM_S3C_CPUFREQ
-#define __init_or_cpufreq
-#else
-#define __init_or_cpufreq __init
-#endif
-
-/* Board functions */
-
-#ifdef CONFIG_ARM_S3C_CPUFREQ
-extern int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board);
-#else
-
-static inline int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board)
-{
-	return 0;
-}
-#endif  /* CONFIG_ARM_S3C_CPUFREQ */
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
deleted file mode 100644
index fadcddbea064..000000000000
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Copyright (c) 2004-2005 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * Header file for Samsung CPU support
- */
-
-/* todo - fix when rmk changes iodescs to use `void __iomem *` */
-
-#ifndef __SAMSUNG_PLAT_CPU_H
-#define __SAMSUNG_PLAT_CPU_H
-
-extern unsigned long samsung_cpu_id;
-
-#define S3C2410_CPU_ID		0x32410000
-#define S3C2410_CPU_MASK	0xFFFFFFFF
-
-#define S3C24XX_CPU_ID		0x32400000
-#define S3C24XX_CPU_MASK	0xFFF00000
-
-#define S3C2412_CPU_ID		0x32412000
-#define S3C2412_CPU_MASK	0xFFFFF000
-
-#define S3C6400_CPU_ID		0x36400000
-#define S3C6410_CPU_ID		0x36410000
-#define S3C64XX_CPU_MASK	0xFFFFF000
-
-#define S5PV210_CPU_ID		0x43110000
-#define S5PV210_CPU_MASK	0xFFFFF000
-
-#define IS_SAMSUNG_CPU(name, id, mask)		\
-static inline int is_samsung_##name(void)	\
-{						\
-	return ((samsung_cpu_id & mask) == (id & mask));	\
-}
-
-IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK)
-IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
-IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK)
-IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
-IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
-
-#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
-    defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
-    defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \
-    defined(CONFIG_CPU_S3C2443)
-# define soc_is_s3c24xx()	is_samsung_s3c24xx()
-# define soc_is_s3c2410()	is_samsung_s3c2410()
-#else
-# define soc_is_s3c24xx()	0
-# define soc_is_s3c2410()	0
-#endif
-
-#if defined(CONFIG_CPU_S3C2412)
-# define soc_is_s3c2412()	is_samsung_s3c2412()
-#else
-# define soc_is_s3c2412()	0
-#endif
-
-#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
-# define soc_is_s3c6400()	is_samsung_s3c6400()
-# define soc_is_s3c6410()	is_samsung_s3c6410()
-# define soc_is_s3c64xx()	(is_samsung_s3c6400() || is_samsung_s3c6410())
-#else
-# define soc_is_s3c6400()	0
-# define soc_is_s3c6410()	0
-# define soc_is_s3c64xx()	0
-#endif
-
-#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
-
-#ifndef KHZ
-#define KHZ (1000)
-#endif
-
-#ifndef MHZ
-#define MHZ (1000*1000)
-#endif
-
-#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
-
-/* forward declaration */
-struct s3c24xx_uart_resources;
-struct platform_device;
-struct s3c2410_uartcfg;
-struct map_desc;
-
-/* per-cpu initialisation function table. */
-
-struct cpu_table {
-	unsigned long	idcode;
-	unsigned long	idmask;
-	void		(*map_io)(void);
-	void		(*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
-	void		(*init_clocks)(int xtal);
-	int		(*init)(void);
-	const char	*name;
-};
-
-extern void s3c_init_cpu(unsigned long idcode,
-			 struct cpu_table *cpus, unsigned int cputab_size);
-
-/* core initialisation functions */
-
-extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
-
-extern void s3c64xx_init_cpu(void);
-extern void s5p_init_cpu(const void __iomem *cpuid_addr);
-
-extern unsigned int samsung_rev(void);
-
-extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-
-extern void s3c24xx_init_clocks(int xtal);
-
-extern void s3c24xx_init_uartdevs(char *name,
-				  struct s3c24xx_uart_resources *res,
-				  struct s3c2410_uartcfg *cfg, int no);
-
-extern struct syscore_ops s3c2410_pm_syscore_ops;
-extern struct syscore_ops s3c2412_pm_syscore_ops;
-extern struct syscore_ops s3c2416_pm_syscore_ops;
-extern struct syscore_ops s3c244x_pm_syscore_ops;
-
-/* system device subsystems */
-
-extern struct bus_type s3c2410_subsys;
-extern struct bus_type s3c2410a_subsys;
-extern struct bus_type s3c2412_subsys;
-extern struct bus_type s3c2416_subsys;
-extern struct bus_type s3c2440_subsys;
-extern struct bus_type s3c2442_subsys;
-extern struct bus_type s3c2443_subsys;
-extern struct bus_type s3c6410_subsys;
-
-#endif
diff --git a/arch/arm/plat-samsung/include/plat/fb-s3c2410.h b/arch/arm/plat-samsung/include/plat/fb-s3c2410.h
deleted file mode 100644
index 614240d768b4..000000000000
--- a/arch/arm/plat-samsung/include/plat/fb-s3c2410.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2004 Arnaud Patard <arnaud.patard@rtp-net.org>
- *
- * Inspired by pxafb.h
-*/
-
-#ifndef __ASM_PLAT_FB_S3C2410_H
-#define __ASM_PLAT_FB_S3C2410_H __FILE__
-
-struct s3c2410fb_hw {
-	unsigned long	lcdcon1;
-	unsigned long	lcdcon2;
-	unsigned long	lcdcon3;
-	unsigned long	lcdcon4;
-	unsigned long	lcdcon5;
-};
-
-/* LCD description */
-struct s3c2410fb_display {
-	/* LCD type */
-	unsigned type;
-
-	/* Screen size */
-	unsigned short width;
-	unsigned short height;
-
-	/* Screen info */
-	unsigned short xres;
-	unsigned short yres;
-	unsigned short bpp;
-
-	unsigned pixclock;		/* pixclock in picoseconds */
-	unsigned short left_margin;  /* value in pixels (TFT) or HCLKs (STN) */
-	unsigned short right_margin; /* value in pixels (TFT) or HCLKs (STN) */
-	unsigned short hsync_len;    /* value in pixels (TFT) or HCLKs (STN) */
-	unsigned short upper_margin;	/* value in lines (TFT) or 0 (STN) */
-	unsigned short lower_margin;	/* value in lines (TFT) or 0 (STN) */
-	unsigned short vsync_len;	/* value in lines (TFT) or 0 (STN) */
-
-	/* lcd configuration registers */
-	unsigned long	lcdcon5;
-};
-
-struct s3c2410fb_mach_info {
-
-	struct s3c2410fb_display *displays;	/* attached displays info */
-	unsigned num_displays;			/* number of defined displays */
-	unsigned default_display;
-
-	/* GPIOs */
-
-	unsigned long	gpcup;
-	unsigned long	gpcup_mask;
-	unsigned long	gpccon;
-	unsigned long	gpccon_mask;
-	unsigned long	gpdup;
-	unsigned long	gpdup_mask;
-	unsigned long	gpdcon;
-	unsigned long	gpdcon_mask;
-
-	/* lpc3600 control register */
-	unsigned long	lpcsel;
-};
-
-extern void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *);
-
-#endif /* __ASM_PLAT_FB_S3C2410_H */
diff --git a/arch/arm/plat-samsung/include/plat/pm-common.h b/arch/arm/plat-samsung/include/plat/pm-common.h
deleted file mode 100644
index 1268bae04234..000000000000
--- a/arch/arm/plat-samsung/include/plat/pm-common.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2013 Samsung Electronics Co., Ltd.
- *	Tomasz Figa <t.figa@samsung.com>
- * Copyright (c) 2004 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Written by Ben Dooks, <ben@simtec.co.uk>
- */
-
-#ifndef __PLAT_SAMSUNG_PM_COMMON_H
-#define __PLAT_SAMSUNG_PM_COMMON_H __FILE__
-
-#include <linux/irq.h>
-
-/* sleep save info */
-
-/**
- * struct sleep_save - save information for shared peripherals.
- * @reg: Pointer to the register to save.
- * @val: Holder for the value saved from reg.
- *
- * This describes a list of registers which is used by the pm core and
- * other subsystem to save and restore register values over suspend.
- */
-struct sleep_save {
-	void __iomem	*reg;
-	unsigned long	val;
-};
-
-#define SAVE_ITEM(x) \
-	{ .reg = (x) }
-
-/* helper functions to save/restore lists of registers. */
-
-extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
-extern void s3c_pm_do_restore(const struct sleep_save *ptr, int count);
-extern void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count);
-
-/* PM debug functions */
-
-/**
- * struct pm_uart_save - save block for core UART
- * @ulcon: Save value for S3C2410_ULCON
- * @ucon: Save value for S3C2410_UCON
- * @ufcon: Save value for S3C2410_UFCON
- * @umcon: Save value for S3C2410_UMCON
- * @ubrdiv: Save value for S3C2410_UBRDIV
- *
- * Save block for UART registers to be held over sleep and restored if they
- * are needed (say by debug).
-*/
-struct pm_uart_save {
-	u32	ulcon;
-	u32	ucon;
-	u32	ufcon;
-	u32	umcon;
-	u32	ubrdiv;
-	u32	udivslot;
-};
-
-#ifdef CONFIG_SAMSUNG_PM_DEBUG
-/**
- * s3c_pm_dbg() - low level debug function for use in suspend/resume.
- * @msg: The message to print.
- *
- * This function is used mainly to debug the resume process before the system
- * can rely on printk/console output. It uses the low-level debugging output
- * routine printascii() to do its work.
- */
-extern void s3c_pm_dbg(const char *msg, ...);
-
-/**
- * s3c_pm_debug_init() - suspend/resume low level debug initialization.
- * @base: Virtual base of UART to use for suspend/resume debugging.
- *
- * This function needs to be called before S3C_PMDBG() can be used, to set up
- * UART port base address and configuration.
- */
-extern void s3c_pm_debug_init(void);
-
-#define S3C_PMDBG(fmt...) s3c_pm_dbg(fmt)
-
-extern void s3c_pm_save_uarts(void);
-extern void s3c_pm_restore_uarts(void);
-#else
-#define S3C_PMDBG(fmt...) pr_debug(fmt)
-#define s3c_pm_debug_init() do { } while (0)
-
-static inline void s3c_pm_save_uarts(void) { }
-static inline void s3c_pm_restore_uarts(void) { }
-#endif
-
-/* suspend memory checking */
-
-#ifdef CONFIG_SAMSUNG_PM_CHECK
-extern void s3c_pm_check_prepare(void);
-extern void s3c_pm_check_restore(void);
-extern void s3c_pm_check_cleanup(void);
-extern void s3c_pm_check_store(void);
-#else
-#define s3c_pm_check_prepare() do { } while (0)
-#define s3c_pm_check_restore() do { } while (0)
-#define s3c_pm_check_cleanup() do { } while (0)
-#define s3c_pm_check_store()   do { } while (0)
-#endif
-
-#endif
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
deleted file mode 100644
index 2746137f9794..000000000000
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2004 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Written by Ben Dooks, <ben@simtec.co.uk>
- */
-
-/* s3c_pm_init
- *
- * called from board at initialisation time to setup the power
- * management
-*/
-
-#include <plat/pm-common.h>
-
-struct device;
-
-#ifdef CONFIG_SAMSUNG_PM
-
-extern __init int s3c_pm_init(void);
-extern __init int s3c64xx_pm_init(void);
-
-#else
-
-static inline int s3c_pm_init(void)
-{
-	return 0;
-}
-
-static inline int s3c64xx_pm_init(void)
-{
-	return 0;
-}
-#endif
-
-/* configuration for the IRQ mask over sleep */
-extern unsigned long s3c_irqwake_intmask;
-extern unsigned long s3c_irqwake_eintmask;
-
-/* per-cpu sleep functions */
-
-extern void (*pm_cpu_prep)(void);
-extern int (*pm_cpu_sleep)(unsigned long);
-
-/* Flags for PM Control */
-
-extern unsigned long s3c_pm_flags;
-
-/* from sleep.S */
-
-extern int s3c2410_cpu_suspend(unsigned long);
-
-#ifdef CONFIG_PM_SLEEP
-extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
-extern void s3c_cpu_resume(void);
-#else
-#define s3c_irq_wake NULL
-#define s3c_cpu_resume NULL
-#endif
-
-#ifdef CONFIG_SAMSUNG_PM
-extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
-#else
-#define s3c_irqext_wake NULL
-#endif
-
-#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
-/**
- * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs
- * @set: set bits for the state of the LEDs
- * @clear: clear bits for the state of the LEDs.
- */
-extern void s3c_pm_debug_smdkled(u32 set, u32 clear);
-
-#else
-static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
-#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */
-
-/**
- * s3c_pm_configure_extint() - ensure pins are correctly set for IRQ
- *
- * Setup all the necessary GPIO pins for waking the system on external
- * interrupt.
- */
-extern void s3c_pm_configure_extint(void);
-
-#ifdef CONFIG_GPIO_SAMSUNG
-/**
- * samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
- *
- * Restore the state of the GPIO pins after sleep, which may involve ensuring
- * that we do not glitch the state of the pins from that the bootloader's
- * resume code has done.
-*/
-extern void samsung_pm_restore_gpios(void);
-
-/**
- * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
- *
- * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
- */
-extern void samsung_pm_save_gpios(void);
-#else
-static inline void samsung_pm_restore_gpios(void) {}
-static inline void samsung_pm_save_gpios(void) {}
-#endif
-
-extern void s3c_pm_save_core(void);
-extern void s3c_pm_restore_core(void);
diff --git a/arch/arm/plat-samsung/include/plat/regs-spi.h b/arch/arm/plat-samsung/include/plat/regs-spi.h
deleted file mode 100644
index 607844311566..000000000000
--- a/arch/arm/plat-samsung/include/plat/regs-spi.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (c) 2004 Fetron GmbH
- *
- * S3C2410 SPI register definition
- */
-
-#ifndef __ASM_ARCH_REGS_SPI_H
-#define __ASM_ARCH_REGS_SPI_H
-
-#define S3C2410_SPI1		(0x20)
-#define S3C2412_SPI1		(0x100)
-
-#define S3C2410_SPCON		(0x00)
-
-#define S3C2410_SPCON_SMOD_DMA	(2 << 5)	/* DMA mode */
-#define S3C2410_SPCON_SMOD_INT	(1 << 5)	/* interrupt mode */
-#define S3C2410_SPCON_SMOD_POLL	(0 << 5)	/* polling mode */
-#define S3C2410_SPCON_ENSCK	(1 << 4)	/* Enable SCK */
-#define S3C2410_SPCON_MSTR	(1 << 3)	/* Master:1, Slave:0 select */
-#define S3C2410_SPCON_CPOL_HIGH	(1 << 2)	/* Clock polarity select */
-#define S3C2410_SPCON_CPOL_LOW	(0 << 2)	/* Clock polarity select */
-
-#define S3C2410_SPCON_CPHA_FMTB	(1 << 1)	/* Clock Phase Select */
-#define S3C2410_SPCON_CPHA_FMTA	(0 << 1)	/* Clock Phase Select */
-
-#define S3C2410_SPSTA		(0x04)
-
-#define S3C2410_SPSTA_DCOL	(1 << 2)	/* Data Collision Error */
-#define S3C2410_SPSTA_MULD	(1 << 1)	/* Multi Master Error */
-#define S3C2410_SPSTA_READY	(1 << 0)	/* Data Tx/Rx ready */
-#define S3C2412_SPSTA_READY_ORG	(1 << 3)
-
-#define S3C2410_SPPIN		(0x08)
-
-#define S3C2410_SPPIN_ENMUL	(1 << 2)	/* Multi Master Error detect */
-#define S3C2410_SPPIN_RESERVED	(1 << 1)
-#define S3C2410_SPPIN_KEEP	(1 << 0)	/* Master Out keep */
-
-#define S3C2410_SPPRE		(0x0C)
-#define S3C2410_SPTDAT		(0x10)
-#define S3C2410_SPRDAT		(0x14)
-
-#endif /* __ASM_ARCH_REGS_SPI_H */
diff --git a/arch/arm/plat-samsung/include/plat/samsung-time.h b/arch/arm/plat-samsung/include/plat/samsung-time.h
deleted file mode 100644
index 32ab0860f631..000000000000
--- a/arch/arm/plat-samsung/include/plat/samsung-time.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Header file for samsung s3c and s5p time support
- */
-
-#ifndef __ASM_PLAT_SAMSUNG_TIME_H
-#define __ASM_PLAT_SAMSUNG_TIME_H __FILE__
-
-/* Samsung HR-Timer Clock mode */
-enum samsung_timer_mode {
-	SAMSUNG_PWM0,
-	SAMSUNG_PWM1,
-	SAMSUNG_PWM2,
-	SAMSUNG_PWM3,
-	SAMSUNG_PWM4,
-};
-
-extern void __init samsung_set_timer_source(enum samsung_timer_mode event,
-					enum samsung_timer_mode source);
-
-extern void __init samsung_timer_init(void);
-
-#endif /* __ASM_PLAT_SAMSUNG_TIME_H */
diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c
deleted file mode 100644
index e9acf02ef3c3..000000000000
--- a/arch/arm/plat-samsung/init.c
+++ /dev/null
@@ -1,173 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright (c) 2008 Simtec Electronics
-//	Ben Dooks <ben@simtec.co.uk>
-//	http://armlinux.simtec.co.uk/
-//
-// S3C series CPU initialisation
-
-/*
- * NOTE: Code in this file is not used on S3C64xx when booting with
- * Device Tree support.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-
-static struct cpu_table *cpu;
-
-static struct cpu_table * __init s3c_lookup_cpu(unsigned long idcode,
-						struct cpu_table *tab,
-						unsigned int count)
-{
-	for (; count != 0; count--, tab++) {
-		if ((idcode & tab->idmask) == (tab->idcode & tab->idmask))
-			return tab;
-	}
-
-	return NULL;
-}
-
-void __init s3c_init_cpu(unsigned long idcode,
-			 struct cpu_table *cputab, unsigned int cputab_size)
-{
-	cpu = s3c_lookup_cpu(idcode, cputab, cputab_size);
-
-	if (cpu == NULL) {
-		printk(KERN_ERR "Unknown CPU type 0x%08lx\n", idcode);
-		panic("Unknown S3C24XX CPU");
-	}
-
-	printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode);
-
-	if (cpu->init == NULL) {
-		printk(KERN_ERR "CPU %s support not enabled\n", cpu->name);
-		panic("Unsupported Samsung CPU");
-	}
-
-	if (cpu->map_io)
-		cpu->map_io();
-}
-
-/* s3c24xx_init_clocks
- *
- * Initialise the clock subsystem and associated information from the
- * given master crystal value.
- *
- * xtal  = 0 -> use default PLL crystal value (normally 12MHz)
- *      != 0 -> PLL crystal value in Hz
-*/
-
-void __init s3c24xx_init_clocks(int xtal)
-{
-	if (xtal == 0)
-		xtal = 12*1000*1000;
-
-	if (cpu == NULL)
-		panic("s3c24xx_init_clocks: no cpu setup?\n");
-
-	if (cpu->init_clocks == NULL)
-		panic("s3c24xx_init_clocks: cpu has no clock init\n");
-	else
-		(cpu->init_clocks)(xtal);
-}
-
-/* uart management */
-#if IS_ENABLED(CONFIG_SAMSUNG_ATAGS)
-static int nr_uarts __initdata = 0;
-
-#ifdef CONFIG_SERIAL_SAMSUNG_UARTS
-static struct s3c2410_uartcfg uart_cfgs[CONFIG_SERIAL_SAMSUNG_UARTS];
-#endif
-
-/* s3c24xx_init_uartdevs
- *
- * copy the specified platform data and configuration into our central
- * set of devices, before the data is thrown away after the init process.
- *
- * This also fills in the array passed to the serial driver for the
- * early initialisation of the console.
-*/
-
-void __init s3c24xx_init_uartdevs(char *name,
-				  struct s3c24xx_uart_resources *res,
-				  struct s3c2410_uartcfg *cfg, int no)
-{
-#ifdef CONFIG_SERIAL_SAMSUNG_UARTS
-	struct platform_device *platdev;
-	struct s3c2410_uartcfg *cfgptr = uart_cfgs;
-	struct s3c24xx_uart_resources *resp;
-	int uart;
-
-	memcpy(cfgptr, cfg, sizeof(struct s3c2410_uartcfg) * no);
-
-	for (uart = 0; uart < no; uart++, cfg++, cfgptr++) {
-		platdev = s3c24xx_uart_src[cfgptr->hwport];
-
-		resp = res + cfgptr->hwport;
-
-		s3c24xx_uart_devs[uart] = platdev;
-
-		platdev->name = name;
-		platdev->resource = resp->resources;
-		platdev->num_resources = resp->nr_resources;
-
-		platdev->dev.platform_data = cfgptr;
-	}
-
-	nr_uarts = no;
-#endif
-}
-
-void __init s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	if (cpu == NULL)
-		return;
-
-	if (cpu->init_uarts == NULL && IS_ENABLED(CONFIG_SAMSUNG_ATAGS)) {
-		printk(KERN_ERR "s3c24xx_init_uarts: cpu has no uart init\n");
-	} else
-		(cpu->init_uarts)(cfg, no);
-}
-#endif
-
-static int __init s3c_arch_init(void)
-{
-	int ret;
-
-	/* init is only needed for ATAGS based platforms */
-	if (!IS_ENABLED(CONFIG_ATAGS) ||
-	    (!soc_is_s3c24xx() && !soc_is_s3c64xx()))
-		return 0;
-
-	// do the correct init for cpu
-
-	if (cpu == NULL) {
-		/* Not needed when booting with device tree. */
-		if (of_have_populated_dt())
-			return 0;
-		panic("s3c_arch_init: NULL cpu\n");
-	}
-
-	ret = (cpu->init)();
-	if (ret != 0)
-		return ret;
-#if IS_ENABLED(CONFIG_SAMSUNG_ATAGS)
-	ret = platform_add_devices(s3c24xx_uart_devs, nr_uarts);
-#endif
-	return ret;
-}
-
-arch_initcall(s3c_arch_init);
diff --git a/arch/arm/plat-samsung/pm-check.c b/arch/arm/plat-samsung/pm-check.c
deleted file mode 100644
index cd2c02c68bc3..000000000000
--- a/arch/arm/plat-samsung/pm-check.c
+++ /dev/null
@@ -1,233 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// originally in linux/arch/arm/plat-s3c24xx/pm.c
-//
-// Copyright (c) 2004-2008 Simtec Electronics
-//	http://armlinux.simtec.co.uk
-//	Ben Dooks <ben@simtec.co.uk>
-//
-// S3C Power Mangament - suspend/resume memory corruption check.
-
-#include <linux/kernel.h>
-#include <linux/suspend.h>
-#include <linux/init.h>
-#include <linux/crc32.h>
-#include <linux/ioport.h>
-#include <linux/slab.h>
-
-#include <plat/pm-common.h>
-
-#if CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE < 1
-#error CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE must be a positive non-zero value
-#endif
-
-/* suspend checking code...
- *
- * this next area does a set of crc checks over all the installed
- * memory, so the system can verify if the resume was ok.
- *
- * CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE defines the block-size for the CRC,
- * increasing it will mean that the area corrupted will be less easy to spot,
- * and reducing the size will cause the CRC save area to grow
-*/
-
-#define CHECK_CHUNKSIZE (CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE * 1024)
-
-static u32 crc_size;	/* size needed for the crc block */
-static u32 *crcs;	/* allocated over suspend/resume */
-
-typedef u32 *(run_fn_t)(struct resource *ptr, u32 *arg);
-
-/* s3c_pm_run_res
- *
- * go through the given resource list, and look for system ram
-*/
-
-static void s3c_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
-{
-	while (ptr != NULL) {
-		if (ptr->child != NULL)
-			s3c_pm_run_res(ptr->child, fn, arg);
-
-		if ((ptr->flags & IORESOURCE_SYSTEM_RAM)
-				== IORESOURCE_SYSTEM_RAM) {
-			S3C_PMDBG("Found system RAM at %08lx..%08lx\n",
-				  (unsigned long)ptr->start,
-				  (unsigned long)ptr->end);
-			arg = (fn)(ptr, arg);
-		}
-
-		ptr = ptr->sibling;
-	}
-}
-
-static void s3c_pm_run_sysram(run_fn_t fn, u32 *arg)
-{
-	s3c_pm_run_res(&iomem_resource, fn, arg);
-}
-
-static u32 *s3c_pm_countram(struct resource *res, u32 *val)
-{
-	u32 size = (u32)resource_size(res);
-
-	size += CHECK_CHUNKSIZE-1;
-	size /= CHECK_CHUNKSIZE;
-
-	S3C_PMDBG("Area %08lx..%08lx, %d blocks\n",
-		  (unsigned long)res->start, (unsigned long)res->end, size);
-
-	*val += size * sizeof(u32);
-	return val;
-}
-
-/* s3c_pm_prepare_check
- *
- * prepare the necessary information for creating the CRCs. This
- * must be done before the final save, as it will require memory
- * allocating, and thus touching bits of the kernel we do not
- * know about.
-*/
-
-void s3c_pm_check_prepare(void)
-{
-	crc_size = 0;
-
-	s3c_pm_run_sysram(s3c_pm_countram, &crc_size);
-
-	S3C_PMDBG("s3c_pm_prepare_check: %u checks needed\n", crc_size);
-
-	crcs = kmalloc(crc_size+4, GFP_KERNEL);
-	if (crcs == NULL)
-		printk(KERN_ERR "Cannot allocated CRC save area\n");
-}
-
-static u32 *s3c_pm_makecheck(struct resource *res, u32 *val)
-{
-	unsigned long addr, left;
-
-	for (addr = res->start; addr < res->end;
-	     addr += CHECK_CHUNKSIZE) {
-		left = res->end - addr;
-
-		if (left > CHECK_CHUNKSIZE)
-			left = CHECK_CHUNKSIZE;
-
-		*val = crc32_le(~0, phys_to_virt(addr), left);
-		val++;
-	}
-
-	return val;
-}
-
-/* s3c_pm_check_store
- *
- * compute the CRC values for the memory blocks before the final
- * sleep.
-*/
-
-void s3c_pm_check_store(void)
-{
-	if (crcs != NULL)
-		s3c_pm_run_sysram(s3c_pm_makecheck, crcs);
-}
-
-/* in_region
- *
- * return TRUE if the area defined by ptr..ptr+size contains the
- * what..what+whatsz
-*/
-
-static inline int in_region(void *ptr, int size, void *what, size_t whatsz)
-{
-	if ((what+whatsz) < ptr)
-		return 0;
-
-	if (what > (ptr+size))
-		return 0;
-
-	return 1;
-}
-
-/**
- * s3c_pm_runcheck() - helper to check a resource on restore.
- * @res: The resource to check
- * @vak: Pointer to list of CRC32 values to check.
- *
- * Called from the s3c_pm_check_restore() via s3c_pm_run_sysram(), this
- * function runs the given memory resource checking it against the stored
- * CRC to ensure that memory is restored. The function tries to skip as
- * many of the areas used during the suspend process.
- */
-static u32 *s3c_pm_runcheck(struct resource *res, u32 *val)
-{
-	unsigned long addr;
-	unsigned long left;
-	void *stkpage;
-	void *ptr;
-	u32 calc;
-
-	stkpage = (void *)((u32)&calc & ~PAGE_MASK);
-
-	for (addr = res->start; addr < res->end;
-	     addr += CHECK_CHUNKSIZE) {
-		left = res->end - addr;
-
-		if (left > CHECK_CHUNKSIZE)
-			left = CHECK_CHUNKSIZE;
-
-		ptr = phys_to_virt(addr);
-
-		if (in_region(ptr, left, stkpage, 4096)) {
-			S3C_PMDBG("skipping %08lx, has stack in\n", addr);
-			goto skip_check;
-		}
-
-		if (in_region(ptr, left, crcs, crc_size)) {
-			S3C_PMDBG("skipping %08lx, has crc block in\n", addr);
-			goto skip_check;
-		}
-
-		/* calculate and check the checksum */
-
-		calc = crc32_le(~0, ptr, left);
-		if (calc != *val) {
-			printk(KERN_ERR "Restore CRC error at "
-			       "%08lx (%08x vs %08x)\n", addr, calc, *val);
-
-			S3C_PMDBG("Restore CRC error at %08lx (%08x vs %08x)\n",
-			    addr, calc, *val);
-		}
-
-	skip_check:
-		val++;
-	}
-
-	return val;
-}
-
-/**
- * s3c_pm_check_restore() - memory check called on resume
- *
- * check the CRCs after the restore event and free the memory used
- * to hold them
-*/
-void s3c_pm_check_restore(void)
-{
-	if (crcs != NULL)
-		s3c_pm_run_sysram(s3c_pm_runcheck, crcs);
-}
-
-/**
- * s3c_pm_check_cleanup() - free memory resources
- *
- * Free the resources that where allocated by the suspend
- * memory check code. We do this separately from the
- * s3c_pm_check_restore() function as we cannot call any
- * functions that might sleep during that resume.
- */
-void s3c_pm_check_cleanup(void)
-{
-	kfree(crcs);
-	crcs = NULL;
-}
-
diff --git a/arch/arm/plat-samsung/pm-debug.c b/arch/arm/plat-samsung/pm-debug.c
deleted file mode 100644
index b76b1e9ba4ae..000000000000
--- a/arch/arm/plat-samsung/pm-debug.c
+++ /dev/null
@@ -1,95 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright (C) 2013 Samsung Electronics Co., Ltd.
-//	Tomasz Figa <t.figa@samsung.com>
-// Copyright (C) 2008 Openmoko, Inc.
-// Copyright (C) 2004-2008 Simtec Electronics
-//	Ben Dooks <ben@simtec.co.uk>
-//	http://armlinux.simtec.co.uk/
-//
-// Samsung common power management (suspend to RAM) debug support
-
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h>
-#include <linux/io.h>
-
-#include <asm/mach/map.h>
-
-#include <plat/cpu.h>
-#include <plat/pm-common.h>
-
-#ifdef CONFIG_SAMSUNG_ATAGS
-#include <plat/pm.h>
-#include <mach/pm-core.h>
-#else
-static inline void s3c_pm_debug_init_uart(void) {}
-static inline void s3c_pm_arch_update_uart(void __iomem *regs,
-					   struct pm_uart_save *save) {}
-#endif
-
-static struct pm_uart_save uart_save;
-
-extern void printascii(const char *);
-
-void s3c_pm_dbg(const char *fmt, ...)
-{
-	va_list va;
-	char buff[256];
-
-	va_start(va, fmt);
-	vsnprintf(buff, sizeof(buff), fmt, va);
-	va_end(va);
-
-	printascii(buff);
-}
-
-void s3c_pm_debug_init(void)
-{
-	/* restart uart clocks so we can use them to output */
-	s3c_pm_debug_init_uart();
-}
-
-static inline void __iomem *s3c_pm_uart_base(void)
-{
-	unsigned long paddr;
-	unsigned long vaddr;
-
-	debug_ll_addr(&paddr, &vaddr);
-
-	return (void __iomem *)vaddr;
-}
-
-void s3c_pm_save_uarts(void)
-{
-	void __iomem *regs = s3c_pm_uart_base();
-	struct pm_uart_save *save = &uart_save;
-
-	save->ulcon = __raw_readl(regs + S3C2410_ULCON);
-	save->ucon = __raw_readl(regs + S3C2410_UCON);
-	save->ufcon = __raw_readl(regs + S3C2410_UFCON);
-	save->umcon = __raw_readl(regs + S3C2410_UMCON);
-	save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV);
-
-	if (!soc_is_s3c2410())
-		save->udivslot = __raw_readl(regs + S3C2443_DIVSLOT);
-
-	S3C_PMDBG("UART[%p]: ULCON=%04x, UCON=%04x, UFCON=%04x, UBRDIV=%04x\n",
-		  regs, save->ulcon, save->ucon, save->ufcon, save->ubrdiv);
-}
-
-void s3c_pm_restore_uarts(void)
-{
-	void __iomem *regs = s3c_pm_uart_base();
-	struct pm_uart_save *save = &uart_save;
-
-	s3c_pm_arch_update_uart(regs, save);
-
-	__raw_writel(save->ulcon, regs + S3C2410_ULCON);
-	__raw_writel(save->ucon,  regs + S3C2410_UCON);
-	__raw_writel(save->ufcon, regs + S3C2410_UFCON);
-	__raw_writel(save->umcon, regs + S3C2410_UMCON);
-	__raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV);
-
-	if (!soc_is_s3c2410())
-		__raw_writel(save->udivslot, regs + S3C2443_DIVSLOT);
-}
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
deleted file mode 100644
index d6bfd66592b0..000000000000
--- a/arch/arm/plat-samsung/pm.c
+++ /dev/null
@@ -1,199 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright 2008 Openmoko, Inc.
-// Copyright 2004-2008 Simtec Electronics
-//	Ben Dooks <ben@simtec.co.uk>
-//	http://armlinux.simtec.co.uk/
-//
-// S3C common power management (suspend to ram) support.
-
-#include <linux/init.h>
-#include <linux/suspend.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/of.h>
-#include <linux/serial_s3c.h>
-#include <linux/io.h>
-
-#include <asm/cacheflush.h>
-#include <asm/suspend.h>
-
-#include <mach/map.h>
-#include <mach/regs-clock.h>
-#include <mach/regs-irq.h>
-#include <mach/irqs.h>
-
-#include <asm/irq.h>
-
-#include <plat/pm.h>
-#include <mach/pm-core.h>
-
-/* for external use */
-
-unsigned long s3c_pm_flags;
-
-/* The IRQ ext-int code goes here, it is too small to currently bother
- * with its own file. */
-
-unsigned long s3c_irqwake_intmask	= 0xffffffffL;
-unsigned long s3c_irqwake_eintmask	= 0xffffffffL;
-
-int s3c_irqext_wake(struct irq_data *data, unsigned int state)
-{
-	unsigned long bit = 1L << IRQ_EINT_BIT(data->irq);
-
-	if (!(s3c_irqwake_eintallow & bit))
-		return -ENOENT;
-
-	printk(KERN_INFO "wake %s for irq %d\n",
-	       state ? "enabled" : "disabled", data->irq);
-
-	if (!state)
-		s3c_irqwake_eintmask |= bit;
-	else
-		s3c_irqwake_eintmask &= ~bit;
-
-	return 0;
-}
-
-void (*pm_cpu_prep)(void);
-int (*pm_cpu_sleep)(unsigned long);
-
-#define any_allowed(mask, allow) (((mask) & (allow)) != (allow))
-
-/* s3c_pm_enter
- *
- * central control for sleep/resume process
-*/
-
-static int s3c_pm_enter(suspend_state_t state)
-{
-	int ret;
-	/* ensure the debug is initialised (if enabled) */
-
-	s3c_pm_debug_init();
-
-	S3C_PMDBG("%s(%d)\n", __func__, state);
-
-	if (pm_cpu_prep == NULL || pm_cpu_sleep == NULL) {
-		printk(KERN_ERR "%s: error: no cpu sleep function\n", __func__);
-		return -EINVAL;
-	}
-
-	/* check if we have anything to wake-up with... bad things seem
-	 * to happen if you suspend with no wakeup (system will often
-	 * require a full power-cycle)
-	*/
-
-	if (!of_have_populated_dt() &&
-	    !any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
-	    !any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) {
-		printk(KERN_ERR "%s: No wake-up sources!\n", __func__);
-		printk(KERN_ERR "%s: Aborting sleep\n", __func__);
-		return -EINVAL;
-	}
-
-	/* save all necessary core registers not covered by the drivers */
-
-	if (!of_have_populated_dt()) {
-		samsung_pm_save_gpios();
-		samsung_pm_saved_gpios();
-	}
-
-	s3c_pm_save_uarts();
-	s3c_pm_save_core();
-
-	/* set the irq configuration for wake */
-
-	s3c_pm_configure_extint();
-
-	S3C_PMDBG("sleep: irq wakeup masks: %08lx,%08lx\n",
-	    s3c_irqwake_intmask, s3c_irqwake_eintmask);
-
-	s3c_pm_arch_prepare_irqs();
-
-	/* call cpu specific preparation */
-
-	pm_cpu_prep();
-
-	/* flush cache back to ram */
-
-	flush_cache_all();
-
-	s3c_pm_check_store();
-
-	/* send the cpu to sleep... */
-
-	s3c_pm_arch_stop_clocks();
-
-	/* this will also act as our return point from when
-	 * we resume as it saves its own register state and restores it
-	 * during the resume.  */
-
-	ret = cpu_suspend(0, pm_cpu_sleep);
-	if (ret)
-		return ret;
-
-	/* restore the system state */
-
-	s3c_pm_restore_core();
-	s3c_pm_restore_uarts();
-
-	if (!of_have_populated_dt()) {
-		samsung_pm_restore_gpios();
-		s3c_pm_restored_gpios();
-	}
-
-	s3c_pm_debug_init();
-
-	/* check what irq (if any) restored the system */
-
-	s3c_pm_arch_show_resume_irqs();
-
-	S3C_PMDBG("%s: post sleep, preparing to return\n", __func__);
-
-	/* LEDs should now be 1110 */
-	s3c_pm_debug_smdkled(1 << 1, 0);
-
-	s3c_pm_check_restore();
-
-	/* ok, let's return from sleep */
-
-	S3C_PMDBG("S3C PM Resume (post-restore)\n");
-	return 0;
-}
-
-static int s3c_pm_prepare(void)
-{
-	/* prepare check area if configured */
-
-	s3c_pm_check_prepare();
-	return 0;
-}
-
-static void s3c_pm_finish(void)
-{
-	s3c_pm_check_cleanup();
-}
-
-static const struct platform_suspend_ops s3c_pm_ops = {
-	.enter		= s3c_pm_enter,
-	.prepare	= s3c_pm_prepare,
-	.finish		= s3c_pm_finish,
-	.valid		= suspend_valid_only_mem,
-};
-
-/* s3c_pm_init
- *
- * Attach the power management functions. This should be called
- * from the board specific initialisation if the board supports
- * it.
-*/
-
-int __init s3c_pm_init(void)
-{
-	printk("S3C Power Management, Copyright 2004 Simtec Electronics\n");
-
-	suspend_set_ops(&s3c_pm_ops);
-	return 0;
-}
diff --git a/arch/arm/plat-samsung/watchdog-reset.c b/arch/arm/plat-samsung/watchdog-reset.c
deleted file mode 100644
index 71d85ff323f7..000000000000
--- a/arch/arm/plat-samsung/watchdog-reset.c
+++ /dev/null
@@ -1,93 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright (c) 2008 Simtec Electronics
-//	Ben Dooks <ben@simtec.co.uk>
-//
-// Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
-//
-// Watchdog reset support for Samsung SoCs.
-
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-#define S3C2410_WTCON			0x00
-#define S3C2410_WTDAT			0x04
-#define S3C2410_WTCNT			0x08
-
-#define S3C2410_WTCON_ENABLE		(1 << 5)
-#define S3C2410_WTCON_DIV16		(0 << 3)
-#define S3C2410_WTCON_RSTEN		(1 << 0)
-#define S3C2410_WTCON_PRESCALE(x)	((x) << 8)
-
-static void __iomem *wdt_base;
-static struct clk *wdt_clock;
-
-void samsung_wdt_reset(void)
-{
-	if (!wdt_base) {
-		pr_err("%s: wdt reset not initialized\n", __func__);
-		/* delay to allow the serial port to show the message */
-		mdelay(50);
-		return;
-	}
-
-	if (!IS_ERR(wdt_clock))
-		clk_prepare_enable(wdt_clock);
-
-	/* disable watchdog, to be safe  */
-	__raw_writel(0, wdt_base + S3C2410_WTCON);
-
-	/* put initial values into count and data */
-	__raw_writel(0x80, wdt_base + S3C2410_WTCNT);
-	__raw_writel(0x80, wdt_base + S3C2410_WTDAT);
-
-	/* set the watchdog to go and reset... */
-	__raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV16 |
-			S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x20),
-			wdt_base + S3C2410_WTCON);
-
-	/* wait for reset to assert... */
-	mdelay(500);
-
-	pr_err("Watchdog reset failed to assert reset\n");
-
-	/* delay to allow the serial port to show the message */
-	mdelay(50);
-}
-
-#ifdef CONFIG_OF
-static const struct of_device_id s3c2410_wdt_match[] = {
-	{ .compatible = "samsung,s3c2410-wdt" },
-	{ .compatible = "samsung,s3c6410-wdt" },
-	{},
-};
-
-void __init samsung_wdt_reset_of_init(void)
-{
-	struct device_node *np;
-
-	np = of_find_matching_node(NULL, s3c2410_wdt_match);
-	if (!np) {
-		pr_err("%s: failed to find watchdog node\n", __func__);
-		return;
-	}
-
-	wdt_base = of_iomap(np, 0);
-	if (!wdt_base) {
-		pr_err("%s: failed to map watchdog registers\n", __func__);
-		return;
-	}
-
-	wdt_clock = of_clk_get(np, 0);
-}
-#endif
-
-void __init samsung_wdt_reset_init(void __iomem *base)
-{
-	wdt_base = base;
-	wdt_clock = clk_get(NULL, "watchdog");
-}
diff --git a/arch/arm/plat-samsung/include/plat/regs-udc.h b/drivers/usb/gadget/udc/s3c2410_udc_regs.h
index d8d2eeaca088..d8d2eeaca088 100644
--- a/arch/arm/plat-samsung/include/plat/regs-udc.h
+++ b/drivers/usb/gadget/udc/s3c2410_udc_regs.h