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-rw-r--r--arch/arm/mach-omap1/board-innovator.c2
-rw-r--r--arch/arm/mach-omap1/devices.c4
-rw-r--r--arch/arm/mach-omap2/Makefile15
-rw-r--r--arch/arm/mach-omap2/board-2430sdp.c48
-rw-r--r--arch/arm/mach-omap2/board-ldp.c40
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c90
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c32
-rw-r--r--arch/arm/mach-omap2/board-overo.c43
-rw-r--r--arch/arm/mach-omap2/devices.c3
-rw-r--r--arch/arm/mach-omap2/mmc-twl4030.c408
-rw-r--r--arch/arm/mach-omap2/mmc-twl4030.h29
-rw-r--r--arch/arm/plat-omap/include/mach/control.h17
-rw-r--r--arch/arm/plat-omap/include/mach/mmc.h16
13 files changed, 729 insertions, 18 deletions
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 8ffb06fc0f08..af2fb9070083 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -385,7 +385,7 @@ static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.slots[0] = {
.set_power = mmc_set_power,
- .wire4 = 1,
+ .wires = 4,
.name = "mmcblk",
},
};
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 024dab13d4b4..77382d8b6b2f 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -116,7 +116,7 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_cfg_reg(P19_1710_MMC_CMDDIR);
omap_cfg_reg(P20_1710_MMC_DATDIR0);
}
- if (mmc_controller->slots[0].wire4) {
+ if (mmc_controller->slots[0].wires == 4) {
omap_cfg_reg(MMC_DAT1);
/* NOTE: DAT2 can be on W10 (here) or M15 */
if (!mmc_controller->slots[0].nomux)
@@ -132,7 +132,7 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_cfg_reg(Y10_1610_MMC2_CLK);
omap_cfg_reg(R18_1610_MMC2_CLKIN);
omap_cfg_reg(W8_1610_MMC2_DAT0);
- if (mmc_controller->slots[1].wire4) {
+ if (mmc_controller->slots[1].wires == 4) {
omap_cfg_reg(V8_1610_MMC2_DAT1);
omap_cfg_reg(W15_1610_MMC2_DAT2);
omap_cfg_reg(R10_1610_MMC2_DAT3);
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index f12c43e4932f..bbd12bc10fdc 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -27,10 +27,15 @@ obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
-obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o
+obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \
+ mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
-obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o
-obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o
-obj-$(CONFIG_MACH_OVERO) += board-overo.o
-obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o
+obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
+ mmc-twl4030.o
+obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
+ mmc-twl4030.o
+obj-$(CONFIG_MACH_OVERO) += board-overo.o \
+ mmc-twl4030.o
+obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
+ mmc-twl4030.o
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 6748de6e19a8..83fa37211d77 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -19,6 +19,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
+#include <linux/i2c/twl4030.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
@@ -35,6 +36,7 @@
#include <mach/common.h>
#include <mach/gpmc.h>
+#include "mmc-twl4030.h"
#define SDP2430_FLASH_CS 0
#define SDP2430_SMC91X_CS 5
@@ -197,12 +199,58 @@ static struct omap_board_config_kernel sdp2430_config[] = {
{OMAP_TAG_UART, &sdp2430_uart_config},
};
+
+static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data sdp2430_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .gpio = &sdp2430_gpio_data,
+};
+
+static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_24XX_SYS_NIRQ,
+ .platform_data = &sdp2430_twldata,
+ },
+};
+
+static int __init omap2430_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 400, NULL, 0);
+ omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
+ ARRAY_SIZE(sdp2430_i2c_boardinfo));
+ return 0;
+}
+
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ .ext_clock = 1,
+ },
+ {} /* Terminator */
+};
+
static void __init omap_2430sdp_init(void)
{
+ omap2430_i2c_init();
+
platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
omap_board_config = sdp2430_config;
omap_board_config_size = ARRAY_SIZE(sdp2430_config);
omap_serial_init();
+ twl4030_mmc_init(mmc);
}
static void __init omap_2430sdp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 43c7ac4b7f8f..aa6972781e4a 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -38,6 +39,8 @@
#include <asm/delay.h>
#include <mach/control.h>
+#include "mmc-twl4030.h"
+
#define SDP3430_SMC91X_CS 3
static struct resource ldp_smc911x_resources[] = {
@@ -109,14 +112,48 @@ static struct omap_board_config_kernel ldp_config[] __initdata = {
{ OMAP_TAG_UART, &ldp_uart_config },
};
+static struct twl4030_gpio_platform_data ldp_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data ldp_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .gpio = &ldp_gpio_data,
+};
+
+static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &ldp_twldata,
+ },
+};
+
static int __init omap_i2c_init(void)
{
- omap_register_i2c_bus(1, 2600, NULL, 0);
+ omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
+ ARRAY_SIZE(ldp_i2c_boardinfo));
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
static void __init omap_ldp_init(void)
{
omap_i2c_init();
@@ -124,6 +161,7 @@ static void __init omap_ldp_init(void)
omap_board_config = ldp_config;
omap_board_config_size = ARRAY_SIZE(ldp_config);
omap_serial_init();
+ twl4030_mmc_init(mmc);
}
static void __init omap_ldp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index baa79674e9d5..9e5ada01b5fa 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -38,7 +38,9 @@
#include <mach/common.h>
#include <mach/gpmc.h>
#include <mach/nand.h>
+#include <mach/mux.h>
+#include "mmc-twl4030.h"
#define GPMC_CS0_BASE 0x60
#define GPMC_CS_SIZE 0x30
@@ -103,6 +105,78 @@ static struct omap_uart_config omap3_beagle_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
+static struct twl4030_hsmmc_info mmc[] = {
+ {
+ .mmc = 1,
+ .wires = 8,
+ .gpio_wp = 29,
+ },
+ {} /* Terminator */
+};
+
+static struct gpio_led gpio_leds[];
+
+static int beagle_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+
+ /* REVISIT: need ehci-omap hooks for external VBUS
+ * power switch and overcurrent detect
+ */
+
+ gpio_request(gpio + 1, "EHCI_nOC");
+ gpio_direction_input(gpio + 1);
+
+ /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+ gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
+ gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+
+ /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data beagle_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .use_leds = true,
+ .pullups = BIT(1),
+ .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+ | BIT(15) | BIT(16) | BIT(17),
+ .setup = beagle_twl_gpio_setup,
+};
+
+static struct twl4030_platform_data beagle_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .gpio = &beagle_gpio_data,
+};
+
+static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &beagle_twldata,
+ },
+};
+
+static int __init omap3_beagle_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
+ ARRAY_SIZE(beagle_i2c_boardinfo));
+#ifdef CONFIG_I2C2_OMAP_BEAGLE
+ omap_register_i2c_bus(2, 400, NULL, 0);
+#endif
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
static void __init omap3_beagle_init_irq(void)
{
omap2_init_common_hw();
@@ -130,6 +204,11 @@ static struct gpio_led gpio_leds[] = {
.default_trigger = "mmc0",
.gpio = 149,
},
+ {
+ .name = "beagleboard::pmu_stat",
+ .gpio = -EINVAL, /* gets replaced */
+ .active_low = true,
+ },
};
static struct gpio_led_platform_data gpio_led_info = {
@@ -218,11 +297,22 @@ static void __init omap3beagle_flash_init(void)
static void __init omap3_beagle_init(void)
{
+ omap3_beagle_i2c_init();
platform_add_devices(omap3_beagle_devices,
ARRAY_SIZE(omap3_beagle_devices));
omap_board_config = omap3_beagle_config;
omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap_serial_init();
+
+ omap_cfg_reg(AH8_34XX_GPIO29);
+ mmc[0].gpio_cd = gpio + 0;
+ twl4030_mmc_init(mmc);
+
+ omap_cfg_reg(J25_34XX_GPIO170);
+ gpio_request(170, "DVI_nPD");
+ /* REVISIT leave DVI powered down until it's needed ... */
+ gpio_direction_output(170, true);
+
omap3beagle_flash_init();
}
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 7236c7be05b3..b3196107afdb 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -35,16 +35,48 @@
#include <mach/hardware.h>
#include <mach/mcspi.h>
+#include "mmc-twl4030.h"
+
#define OMAP3_PANDORA_TS_GPIO 94
+static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = 126,
+ .ext_clock = 0,
+ },
+ {
+ .mmc = 2,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = 127,
+ .ext_clock = 1,
+ },
+ {} /* Terminator */
+};
+
static struct omap_uart_config omap3pandora_uart_config __initdata = {
.enabled_uarts = (1 << 2), /* UART3 */
};
+static int omap3pandora_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
+ omap3pandora_mmc[0].gpio_cd = gpio + 0;
+ omap3pandora_mmc[1].gpio_cd = gpio + 1;
+ twl4030_mmc_init(omap3pandora_mmc);
+
+ return 0;
+}
+
static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
+ .setup = omap3pandora_twl_gpio_setup,
};
static struct twl4030_usb_data omap3pandora_usb_data = {
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index e09aa59a399c..82b3dc557c96 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -26,6 +26,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
+#include <linux/i2c/twl4030.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -44,6 +45,8 @@
#include <mach/hardware.h>
#include <mach/nand.h>
+#include "mmc-twl4030.h"
+
#define NAND_BLOCK_SIZE SZ_128K
#define GPMC_CS0_BASE 0x60
#define GPMC_CS_SIZE 0x30
@@ -139,8 +142,31 @@ static struct omap_uart_config overo_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
+static struct twl4030_gpio_platform_data overo_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data overo_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+ .gpio = &overo_gpio_data,
+};
+
+static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &overo_twldata,
+ },
+};
+
static int __init overo_i2c_init(void)
{
+ omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
+ ARRAY_SIZE(overo_i2c_boardinfo));
/* i2c2 pins are used for gpio */
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
@@ -171,6 +197,22 @@ static struct platform_device *overo_devices[] __initdata = {
&overo_lcd_device,
};
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {
+ .mmc = 2,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
static void __init overo_init(void)
{
overo_i2c_init();
@@ -178,6 +220,7 @@ static void __init overo_init(void)
omap_board_config = overo_config;
omap_board_config_size = ARRAY_SIZE(overo_config);
omap_serial_init();
+ twl4030_mmc_init(mmc);
overo_flash_init();
if ((gpio_request(OVERO_GPIO_W2W_NRESET,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 8ccdfcf2942c..6e03272b0521 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -19,6 +19,7 @@
#include <asm/mach-types.h>
#include <asm/mach/map.h>
+#include <mach/control.h>
#include <mach/tc.h>
#include <mach/board.h>
#include <mach/mux.h>
@@ -311,7 +312,7 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_cfg_reg(F20_24XX_MMC_DAT0);
omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
- if (mmc_controller->slots[0].wire4) {
+ if (mmc_controller->slots[0].wires == 4) {
omap_cfg_reg(H14_24XX_MMC_DAT1);
omap_cfg_reg(E19_24XX_MMC_DAT2);
omap_cfg_reg(D19_24XX_MMC_DAT3);
diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
new file mode 100644
index 000000000000..437f52073f6e
--- /dev/null
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -0,0 +1,408 @@
+/*
+ * linux/arch/arm/mach-omap2/mmc-twl4030.c
+ *
+ * Copyright (C) 2007-2008 Texas Instruments
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/i2c/twl4030.h>
+
+#include <mach/hardware.h>
+#include <mach/control.h>
+#include <mach/mmc.h>
+#include <mach/board.h>
+
+#include "mmc-twl4030.h"
+
+#if defined(CONFIG_TWL4030_CORE) && \
+ (defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE))
+
+#define LDO_CLR 0x00
+#define VSEL_S2_CLR 0x40
+
+#define VMMC1_DEV_GRP 0x27
+#define VMMC1_CLR 0x00
+#define VMMC1_315V 0x03
+#define VMMC1_300V 0x02
+#define VMMC1_285V 0x01
+#define VMMC1_185V 0x00
+#define VMMC1_DEDICATED 0x2A
+
+#define VMMC2_DEV_GRP 0x2B
+#define VMMC2_CLR 0x40
+#define VMMC2_315V 0x0c
+#define VMMC2_300V 0x0b
+#define VMMC2_285V 0x0a
+#define VMMC2_260V 0x08
+#define VMMC2_185V 0x06
+#define VMMC2_DEDICATED 0x2E
+
+#define VMMC_DEV_GRP_P1 0x20
+
+static u16 control_pbias_offset;
+static u16 control_devconf1_offset;
+
+#define HSMMC_NAME_LEN 9
+
+static struct twl_mmc_controller {
+ struct omap_mmc_platform_data *mmc;
+ u8 twl_vmmc_dev_grp;
+ u8 twl_mmc_dedicated;
+ char name[HSMMC_NAME_LEN];
+} hsmmc[] = {
+ {
+ .twl_vmmc_dev_grp = VMMC1_DEV_GRP,
+ .twl_mmc_dedicated = VMMC1_DEDICATED,
+ },
+ {
+ .twl_vmmc_dev_grp = VMMC2_DEV_GRP,
+ .twl_mmc_dedicated = VMMC2_DEDICATED,
+ },
+};
+
+static int twl_mmc_card_detect(int irq)
+{
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
+ struct omap_mmc_platform_data *mmc;
+
+ mmc = hsmmc[i].mmc;
+ if (!mmc)
+ continue;
+ if (irq != mmc->slots[0].card_detect_irq)
+ continue;
+
+ /* NOTE: assumes card detect signal is active-low */
+ return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
+ }
+ return -ENOSYS;
+}
+
+static int twl_mmc_get_ro(struct device *dev, int slot)
+{
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+ /* NOTE: assumes write protect signal is active-high */
+ return gpio_get_value_cansleep(mmc->slots[0].gpio_wp);
+}
+
+/*
+ * MMC Slot Initialization.
+ */
+static int twl_mmc_late_init(struct device *dev)
+{
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+ int ret = 0;
+ int i;
+
+ ret = gpio_request(mmc->slots[0].switch_pin, "mmc_cd");
+ if (ret)
+ goto done;
+ ret = gpio_direction_input(mmc->slots[0].switch_pin);
+ if (ret)
+ goto err;
+
+ for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
+ if (hsmmc[i].name == mmc->slots[0].name) {
+ hsmmc[i].mmc = mmc;
+ break;
+ }
+ }
+
+ return 0;
+
+err:
+ gpio_free(mmc->slots[0].switch_pin);
+done:
+ mmc->slots[0].card_detect_irq = 0;
+ mmc->slots[0].card_detect = NULL;
+
+ dev_err(dev, "err %d configuring card detect\n", ret);
+ return ret;
+}
+
+static void twl_mmc_cleanup(struct device *dev)
+{
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+ gpio_free(mmc->slots[0].switch_pin);
+}
+
+#ifdef CONFIG_PM
+
+static int twl_mmc_suspend(struct device *dev, int slot)
+{
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+ disable_irq(mmc->slots[0].card_detect_irq);
+ return 0;
+}
+
+static int twl_mmc_resume(struct device *dev, int slot)
+{
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+ enable_irq(mmc->slots[0].card_detect_irq);
+ return 0;
+}
+
+#else
+#define twl_mmc_suspend NULL
+#define twl_mmc_resume NULL
+#endif
+
+/*
+ * Sets the MMC voltage in twl4030
+ */
+static int twl_mmc_set_voltage(struct twl_mmc_controller *c, int vdd)
+{
+ int ret;
+ u8 vmmc, dev_grp_val;
+
+ switch (1 << vdd) {
+ case MMC_VDD_35_36:
+ case MMC_VDD_34_35:
+ case MMC_VDD_33_34:
+ case MMC_VDD_32_33:
+ case MMC_VDD_31_32:
+ case MMC_VDD_30_31:
+ if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+ vmmc = VMMC1_315V;
+ else
+ vmmc = VMMC2_315V;
+ break;
+ case MMC_VDD_29_30:
+ if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+ vmmc = VMMC1_315V;
+ else
+ vmmc = VMMC2_300V;
+ break;
+ case MMC_VDD_27_28:
+ case MMC_VDD_26_27:
+ if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+ vmmc = VMMC1_285V;
+ else
+ vmmc = VMMC2_285V;
+ break;
+ case MMC_VDD_25_26:
+ case MMC_VDD_24_25:
+ case MMC_VDD_23_24:
+ case MMC_VDD_22_23:
+ case MMC_VDD_21_22:
+ case MMC_VDD_20_21:
+ if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+ vmmc = VMMC1_285V;
+ else
+ vmmc = VMMC2_260V;
+ break;
+ case MMC_VDD_165_195:
+ if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+ vmmc = VMMC1_185V;
+ else
+ vmmc = VMMC2_185V;
+ break;
+ default:
+ vmmc = 0;
+ break;
+ }
+
+ if (vmmc)
+ dev_grp_val = VMMC_DEV_GRP_P1; /* Power up */
+ else
+ dev_grp_val = LDO_CLR; /* Power down */
+
+ ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ dev_grp_val, c->twl_vmmc_dev_grp);
+ if (ret)
+ return ret;
+
+ ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ vmmc, c->twl_mmc_dedicated);
+
+ return ret;
+}
+
+static int twl_mmc1_set_power(struct device *dev, int slot, int power_on,
+ int vdd)
+{
+ u32 reg;
+ int ret = 0;
+ struct twl_mmc_controller *c = &hsmmc[0];
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+ if (power_on) {
+ if (cpu_is_omap2430()) {
+ reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
+ if ((1 << vdd) >= MMC_VDD_30_31)
+ reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
+ else
+ reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
+ omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
+ }
+
+ if (mmc->slots[0].internal_clock) {
+ reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ reg |= OMAP2_MMCSDIO1ADPCLKISEL;
+ omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
+ }
+
+ reg = omap_ctrl_readl(control_pbias_offset);
+ reg |= OMAP2_PBIASSPEEDCTRL0;
+ reg &= ~OMAP2_PBIASLITEPWRDNZ0;
+ omap_ctrl_writel(reg, control_pbias_offset);
+
+ ret = twl_mmc_set_voltage(c, vdd);
+
+ /* 100ms delay required for PBIAS configuration */
+ msleep(100);
+ reg = omap_ctrl_readl(control_pbias_offset);
+ reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
+ if ((1 << vdd) <= MMC_VDD_165_195)
+ reg &= ~OMAP2_PBIASLITEVMODE0;
+ else
+ reg |= OMAP2_PBIASLITEVMODE0;
+ omap_ctrl_writel(reg, control_pbias_offset);
+ } else {
+ reg = omap_ctrl_readl(control_pbias_offset);
+ reg &= ~OMAP2_PBIASLITEPWRDNZ0;
+ omap_ctrl_writel(reg, control_pbias_offset);
+
+ ret = twl_mmc_set_voltage(c, 0);
+
+ /* 100ms delay required for PBIAS configuration */
+ msleep(100);
+ reg = omap_ctrl_readl(control_pbias_offset);
+ reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
+ OMAP2_PBIASLITEVMODE0);
+ omap_ctrl_writel(reg, control_pbias_offset);
+ }
+
+ return ret;
+}
+
+static int twl_mmc2_set_power(struct device *dev, int slot, int power_on, int vdd)
+{
+ int ret;
+ struct twl_mmc_controller *c = &hsmmc[1];
+ struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+ if (power_on) {
+ if (mmc->slots[0].internal_clock) {
+ u32 reg;
+
+ reg = omap_ctrl_readl(control_devconf1_offset);
+ reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+ omap_ctrl_writel(reg, control_devconf1_offset);
+ }
+ ret = twl_mmc_set_voltage(c, vdd);
+ } else {
+ ret = twl_mmc_set_voltage(c, 0);
+ }
+
+ return ret;
+}
+
+static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata;
+
+void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
+{
+ struct twl4030_hsmmc_info *c;
+ int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
+
+ if (cpu_is_omap2430()) {
+ control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
+ control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
+ nr_hsmmc = 2;
+ } else {
+ control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
+ control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
+ }
+
+ for (c = controllers; c->mmc; c++) {
+ struct twl_mmc_controller *twl = hsmmc + c->mmc - 1;
+ struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
+
+ if (!c->mmc || c->mmc > nr_hsmmc) {
+ pr_debug("MMC%d: no such controller\n", c->mmc);
+ continue;
+ }
+ if (mmc) {
+ pr_debug("MMC%d: already configured\n", c->mmc);
+ continue;
+ }
+
+ mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
+ if (!mmc) {
+ pr_err("Cannot allocate memory for mmc device!\n");
+ return;
+ }
+
+ sprintf(twl->name, "mmc%islot%i", c->mmc, 1);
+ mmc->slots[0].name = twl->name;
+ mmc->nr_slots = 1;
+ mmc->slots[0].ocr_mask = MMC_VDD_165_195 |
+ MMC_VDD_26_27 | MMC_VDD_27_28 |
+ MMC_VDD_29_30 |
+ MMC_VDD_30_31 | MMC_VDD_31_32;
+ mmc->slots[0].wires = c->wires;
+ mmc->slots[0].internal_clock = !c->ext_clock;
+ mmc->dma_mask = 0xffffffff;
+
+ /* note: twl4030 card detect GPIOs normally switch VMMCx ... */
+ if (gpio_is_valid(c->gpio_cd)) {
+ mmc->init = twl_mmc_late_init;
+ mmc->cleanup = twl_mmc_cleanup;
+ mmc->suspend = twl_mmc_suspend;
+ mmc->resume = twl_mmc_resume;
+
+ mmc->slots[0].switch_pin = c->gpio_cd;
+ mmc->slots[0].card_detect_irq = gpio_to_irq(c->gpio_cd);
+ mmc->slots[0].card_detect = twl_mmc_card_detect;
+ } else
+ mmc->slots[0].switch_pin = -EINVAL;
+
+ /* write protect normally uses an OMAP gpio */
+ if (gpio_is_valid(c->gpio_wp)) {
+ gpio_request(c->gpio_wp, "mmc_wp");
+ gpio_direction_input(c->gpio_wp);
+
+ mmc->slots[0].gpio_wp = c->gpio_wp;
+ mmc->slots[0].get_ro = twl_mmc_get_ro;
+ } else
+ mmc->slots[0].gpio_wp = -EINVAL;
+
+ /* NOTE: we assume OMAP's MMC1 and MMC2 use
+ * the TWL4030's VMMC1 and VMMC2, respectively;
+ * and that OMAP's MMC3 isn't used.
+ */
+
+ switch (c->mmc) {
+ case 1:
+ mmc->slots[0].set_power = twl_mmc1_set_power;
+ break;
+ case 2:
+ mmc->slots[0].set_power = twl_mmc2_set_power;
+ break;
+ default:
+ pr_err("MMC%d configuration not supported!\n", c->mmc);
+ continue;
+ }
+ hsmmc_data[c->mmc - 1] = mmc;
+ }
+
+ omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC);
+}
+
+#endif
diff --git a/arch/arm/mach-omap2/mmc-twl4030.h b/arch/arm/mach-omap2/mmc-twl4030.h
new file mode 100644
index 000000000000..e1c8076400ca
--- /dev/null
+++ b/arch/arm/mach-omap2/mmc-twl4030.h
@@ -0,0 +1,29 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct twl4030_hsmmc_info {
+ u8 mmc; /* controller 1/2/3 */
+ u8 wires; /* 1/4/8 wires */
+ int gpio_cd; /* or -EINVAL */
+ int gpio_wp; /* or -EINVAL */
+ int ext_clock:1; /* use external pin for input clock */
+};
+
+#if defined(CONFIG_TWL4030_CORE) && \
+ (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+ defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE))
+
+void twl4030_mmc_init(struct twl4030_hsmmc_info *);
+
+#else
+
+static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info)
+{
+}
+
+#endif
diff --git a/arch/arm/plat-omap/include/mach/control.h b/arch/arm/plat-omap/include/mach/control.h
index dc9886760577..269147f3836f 100644
--- a/arch/arm/plat-omap/include/mach/control.h
+++ b/arch/arm/plat-omap/include/mach/control.h
@@ -74,6 +74,7 @@
#define OMAP243X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190)
#define OMAP243X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194)
#define OMAP243X_CONTROL_IVA2_GEMCFG (OMAP2_CONTROL_GENERAL + 0x0198)
+#define OMAP243X_CONTROL_PBIAS_LITE (OMAP2_CONTROL_GENERAL + 0x0230)
/* 24xx-only CONTROL_GENERAL register offsets */
#define OMAP24XX_CONTROL_DEBOBS (OMAP2_CONTROL_GENERAL + 0x0000)
@@ -140,6 +141,7 @@
#define OMAP343X_CONTROL_TEST_KEY_13 (OMAP2_CONTROL_GENERAL + 0x00fc)
#define OMAP343X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190)
#define OMAP343X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194)
+#define OMAP343X_CONTROL_PBIAS_LITE (OMAP2_CONTROL_GENERAL + 0x02b0)
#define OMAP343X_CONTROL_TEMP_SENSOR (OMAP2_CONTROL_GENERAL + 0x02b4)
/*
@@ -154,11 +156,14 @@
* and the security mode (secure, non-secure, don't care)
*/
/* CONTROL_DEVCONF0 bits */
+#define OMAP2_MMCSDIO1ADPCLKISEL (1 << 24) /* MMC1 loop back clock */
#define OMAP24XX_USBSTANDBYCTRL (1 << 15)
#define OMAP2_MCBSP2_CLKS_MASK (1 << 6)
#define OMAP2_MCBSP1_CLKS_MASK (1 << 2)
/* CONTROL_DEVCONF1 bits */
+#define OMAP243X_MMC1_ACTIVE_OVERWRITE (1 << 31)
+#define OMAP2_MMCSDIO2ADPCLKISEL (1 << 6) /* MMC2 loop back clock */
#define OMAP2_MCBSP5_CLKS_MASK (1 << 4) /* > 242x */
#define OMAP2_MCBSP4_CLKS_MASK (1 << 2) /* > 242x */
#define OMAP2_MCBSP3_CLKS_MASK (1 << 0) /* > 242x */
@@ -172,6 +177,18 @@
#define OMAP2_SYSBOOT_1_MASK (1 << 1)
#define OMAP2_SYSBOOT_0_MASK (1 << 0)
+/* CONTROL_PBIAS_LITE bits */
+#define OMAP343X_PBIASLITESUPPLY_HIGH1 (1 << 15)
+#define OMAP343X_PBIASLITEVMODEERROR1 (1 << 11)
+#define OMAP343X_PBIASSPEEDCTRL1 (1 << 10)
+#define OMAP343X_PBIASLITEPWRDNZ1 (1 << 9)
+#define OMAP343X_PBIASLITEVMODE1 (1 << 8)
+#define OMAP343X_PBIASLITESUPPLY_HIGH0 (1 << 7)
+#define OMAP343X_PBIASLITEVMODEERROR0 (1 << 3)
+#define OMAP2_PBIASSPEEDCTRL0 (1 << 2)
+#define OMAP2_PBIASLITEPWRDNZ0 (1 << 1)
+#define OMAP2_PBIASLITEVMODE0 (1 << 0)
+
#ifndef __ASSEMBLY__
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
extern void __iomem *omap_ctrl_base_get(void);
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
index 0c2ef3b8956a..031250f02805 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -61,6 +61,11 @@ struct omap_mmc_platform_data {
struct omap_mmc_slot_data {
+ /* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
+ * 8 wire signaling is also optional, and is used with HSMMC
+ */
+ u8 wires;
+
/*
* nomux means "standard" muxing is wrong on this board, and
* that board-specific code handled it before common init logic.
@@ -70,13 +75,12 @@ struct omap_mmc_platform_data {
/* switch pin can be for card detect (default) or card cover */
unsigned cover:1;
- /* 4 wire signaling is optional, and is only used for SD/SDIO */
- unsigned wire4:1;
-
/* use the internal clock */
unsigned internal_clock:1;
s16 power_pin;
- s16 switch_pin;
+
+ int switch_pin; /* gpio (card detect) */
+ int gpio_wp; /* gpio (write protect) */
int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
@@ -111,7 +115,6 @@ void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
-void hsmmc_init(int controller_mask);
int omap_mmc_add(int id, unsigned long base, unsigned long size,
unsigned int irq, struct omap_mmc_platform_data *data);
#else
@@ -123,9 +126,6 @@ static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
}
-static inline void hsmmc_init(int controller_mask)
-{
-}
static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
unsigned int irq, struct omap_mmc_platform_data *data)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.