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-rw-r--r--arch/arm/mach-s5p64x0/gpiolib.c (renamed from arch/arm/mach-s5p64x0/gpio.c)221
1 files changed, 195 insertions, 26 deletions
diff --git a/arch/arm/mach-s5p64x0/gpio.c b/arch/arm/mach-s5p64x0/gpiolib.c
index 39159dd5a29a..e7fb3b004e77 100644
--- a/arch/arm/mach-s5p64x0/gpio.c
+++ b/arch/arm/mach-s5p64x0/gpiolib.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s5p64x0/gpio.c
+/* linux/arch/arm/mach-s5p64x0/gpiolib.c
*
* Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
@@ -17,13 +17,12 @@
#include <mach/map.h>
#include <mach/regs-gpio.h>
+#include <mach/regs-clock.h>
#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
-/* To be implemented S5P6450 GPIO */
-
/*
* S5P6440 GPIO bank summary:
*
@@ -40,6 +39,25 @@
* P 8 2Bit Yes 8
* R 15 4Bit[2] Yes 8
*
+ * S5P6450 GPIO bank summary:
+ *
+ * Bank GPIOs Style SlpCon ExtInt Group
+ * A 6 4Bit Yes 1
+ * B 7 4Bit Yes 1
+ * C 8 4Bit Yes 2
+ * D 8 4Bit Yes None
+ * F 2 2Bit Yes None
+ * G 14 4Bit[2] Yes 5
+ * H 10 4Bit[2] Yes 6
+ * I 16 2Bit Yes None
+ * J 12 2Bit Yes None
+ * K 5 4Bit Yes None
+ * N 16 2Bit No IRQ_EINT
+ * P 11 2Bit Yes 8
+ * Q 14 2Bit Yes None
+ * R 15 4Bit[2] Yes None
+ * S 8 2Bit Yes None
+ *
* [1] BANKF pins 14,15 do not form part of the external interrupt sources
* [2] BANK has two control registers, GPxCON0 and GPxCON1
*/
@@ -190,7 +208,7 @@ static struct s3c_gpio_cfg s5p64x0_gpio_cfgs[] = {
static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
{
- .base = S5P6440_GPA_BASE,
+ .base = S5P64X0_GPA_BASE,
.config = &s5p64x0_gpio_cfgs[1],
.chip = {
.base = S5P6440_GPA(0),
@@ -198,7 +216,7 @@ static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
.label = "GPA",
},
}, {
- .base = S5P6440_GPB_BASE,
+ .base = S5P64X0_GPB_BASE,
.config = &s5p64x0_gpio_cfgs[1],
.chip = {
.base = S5P6440_GPB(0),
@@ -206,7 +224,7 @@ static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
.label = "GPB",
},
}, {
- .base = S5P6440_GPC_BASE,
+ .base = S5P64X0_GPC_BASE,
.config = &s5p64x0_gpio_cfgs[1],
.chip = {
.base = S5P6440_GPC(0),
@@ -214,7 +232,7 @@ static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
.label = "GPC",
},
}, {
- .base = S5P6440_GPG_BASE,
+ .base = S5P64X0_GPG_BASE,
.config = &s5p64x0_gpio_cfgs[1],
.chip = {
.base = S5P6440_GPG(0),
@@ -226,7 +244,7 @@ static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = {
{
- .base = S5P6440_GPH_BASE + 0x4,
+ .base = S5P64X0_GPH_BASE + 0x4,
.config = &s5p64x0_gpio_cfgs[1],
.chip = {
.base = S5P6440_GPH(0),
@@ -238,7 +256,7 @@ static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = {
static struct s3c_gpio_chip s5p6440_gpio_rbank_4bit2[] = {
{
- .base = S5P6440_GPR_BASE + 0x4,
+ .base = S5P64X0_GPR_BASE + 0x4,
.config = &s5p64x0_gpio_cfgs[2],
.chip = {
.base = S5P6440_GPR(0),
@@ -250,7 +268,7 @@ static struct s3c_gpio_chip s5p6440_gpio_rbank_4bit2[] = {
static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
{
- .base = S5P6440_GPF_BASE,
+ .base = S5P64X0_GPF_BASE,
.config = &s5p64x0_gpio_cfgs[5],
.chip = {
.base = S5P6440_GPF(0),
@@ -258,7 +276,7 @@ static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
.label = "GPF",
},
}, {
- .base = S5P6440_GPI_BASE,
+ .base = S5P64X0_GPI_BASE,
.config = &s5p64x0_gpio_cfgs[3],
.chip = {
.base = S5P6440_GPI(0),
@@ -266,7 +284,7 @@ static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
.label = "GPI",
},
}, {
- .base = S5P6440_GPJ_BASE,
+ .base = S5P64X0_GPJ_BASE,
.config = &s5p64x0_gpio_cfgs[3],
.chip = {
.base = S5P6440_GPJ(0),
@@ -274,7 +292,7 @@ static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
.label = "GPJ",
},
}, {
- .base = S5P6440_GPN_BASE,
+ .base = S5P64X0_GPN_BASE,
.config = &s5p64x0_gpio_cfgs[4],
.chip = {
.base = S5P6440_GPN(0),
@@ -282,7 +300,7 @@ static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
.label = "GPN",
},
}, {
- .base = S5P6440_GPP_BASE,
+ .base = S5P64X0_GPP_BASE,
.config = &s5p64x0_gpio_cfgs[5],
.chip = {
.base = S5P6440_GPP(0),
@@ -292,6 +310,142 @@ static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
},
};
+static struct s3c_gpio_chip s5p6450_gpio_4bit[] = {
+ {
+ .base = S5P64X0_GPA_BASE,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPA(0),
+ .ngpio = S5P6450_GPIO_A_NR,
+ .label = "GPA",
+ },
+ }, {
+ .base = S5P64X0_GPB_BASE,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPB(0),
+ .ngpio = S5P6450_GPIO_B_NR,
+ .label = "GPB",
+ },
+ }, {
+ .base = S5P64X0_GPC_BASE,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPC(0),
+ .ngpio = S5P6450_GPIO_C_NR,
+ .label = "GPC",
+ },
+ }, {
+ .base = S5P6450_GPD_BASE,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPD(0),
+ .ngpio = S5P6450_GPIO_D_NR,
+ .label = "GPD",
+ },
+ }, {
+ .base = S5P6450_GPK_BASE,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPK(0),
+ .ngpio = S5P6450_GPIO_K_NR,
+ .label = "GPK",
+ },
+ },
+};
+
+static struct s3c_gpio_chip s5p6450_gpio_4bit2[] = {
+ {
+ .base = S5P64X0_GPG_BASE + 0x4,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPG(0),
+ .ngpio = S5P6450_GPIO_G_NR,
+ .label = "GPG",
+ },
+ }, {
+ .base = S5P64X0_GPH_BASE + 0x4,
+ .config = &s5p64x0_gpio_cfgs[1],
+ .chip = {
+ .base = S5P6450_GPH(0),
+ .ngpio = S5P6450_GPIO_H_NR,
+ .label = "GPH",
+ },
+ },
+};
+
+static struct s3c_gpio_chip s5p6450_gpio_rbank_4bit2[] = {
+ {
+ .base = S5P64X0_GPR_BASE + 0x4,
+ .config = &s5p64x0_gpio_cfgs[2],
+ .chip = {
+ .base = S5P6450_GPR(0),
+ .ngpio = S5P6450_GPIO_R_NR,
+ .label = "GPR",
+ },
+ },
+};
+
+static struct s3c_gpio_chip s5p6450_gpio_2bit[] = {
+ {
+ .base = S5P64X0_GPF_BASE,
+ .config = &s5p64x0_gpio_cfgs[5],
+ .chip = {
+ .base = S5P6450_GPF(0),
+ .ngpio = S5P6450_GPIO_F_NR,
+ .label = "GPF",
+ },
+ }, {
+ .base = S5P64X0_GPI_BASE,
+ .config = &s5p64x0_gpio_cfgs[3],
+ .chip = {
+ .base = S5P6450_GPI(0),
+ .ngpio = S5P6450_GPIO_I_NR,
+ .label = "GPI",
+ },
+ }, {
+ .base = S5P64X0_GPJ_BASE,
+ .config = &s5p64x0_gpio_cfgs[3],
+ .chip = {
+ .base = S5P6450_GPJ(0),
+ .ngpio = S5P6450_GPIO_J_NR,
+ .label = "GPJ",
+ },
+ }, {
+ .base = S5P64X0_GPN_BASE,
+ .config = &s5p64x0_gpio_cfgs[4],
+ .chip = {
+ .base = S5P6450_GPN(0),
+ .ngpio = S5P6450_GPIO_N_NR,
+ .label = "GPN",
+ },
+ }, {
+ .base = S5P64X0_GPP_BASE,
+ .config = &s5p64x0_gpio_cfgs[5],
+ .chip = {
+ .base = S5P6450_GPP(0),
+ .ngpio = S5P6450_GPIO_P_NR,
+ .label = "GPP",
+ },
+ }, {
+ .base = S5P6450_GPQ_BASE,
+ .config = &s5p64x0_gpio_cfgs[4],
+ .chip = {
+ .base = S5P6450_GPQ(0),
+ .ngpio = S5P6450_GPIO_Q_NR,
+ .label = "GPQ",
+ },
+ }, {
+ .base = S5P6450_GPS_BASE,
+ .config = &s5p64x0_gpio_cfgs[5],
+ .chip = {
+ .base = S5P6450_GPS(0),
+ .ngpio = S5P6450_GPIO_S_NR,
+ .label = "GPS",
+ },
+ },
+};
+
void __init s5p64x0_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips)
{
for (; nr_chips > 0; nr_chips--, chipcfg++) {
@@ -317,26 +471,41 @@ static void __init s5p64x0_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip,
}
}
-static int __init s5p6440_gpiolib_init(void)
+static int __init s5p64x0_gpiolib_init(void)
{
- struct s3c_gpio_chip *chips = s5p6440_gpio_2bit;
- int nr_chips = ARRAY_SIZE(s5p6440_gpio_2bit);
+ unsigned int chipid;
+
+ chipid = __raw_readl(S5P64X0_SYS_ID);
s5p64x0_gpiolib_set_cfg(s5p64x0_gpio_cfgs,
ARRAY_SIZE(s5p64x0_gpio_cfgs));
- for (; nr_chips > 0; nr_chips--, chips++)
- s3c_gpiolib_add(chips);
+ if ((chipid & 0xff000) == 0x50000) {
+ samsung_gpiolib_add_2bit_chips(s5p6450_gpio_2bit,
+ ARRAY_SIZE(s5p6450_gpio_2bit));
+
+ samsung_gpiolib_add_4bit_chips(s5p6450_gpio_4bit,
+ ARRAY_SIZE(s5p6450_gpio_4bit));
- samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit,
- ARRAY_SIZE(s5p6440_gpio_4bit));
+ samsung_gpiolib_add_4bit2_chips(s5p6450_gpio_4bit2,
+ ARRAY_SIZE(s5p6450_gpio_4bit2));
- samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2,
- ARRAY_SIZE(s5p6440_gpio_4bit2));
+ s5p64x0_gpio_add_rbank_4bit2(s5p6450_gpio_rbank_4bit2,
+ ARRAY_SIZE(s5p6450_gpio_rbank_4bit2));
+ } else {
+ samsung_gpiolib_add_2bit_chips(s5p6440_gpio_2bit,
+ ARRAY_SIZE(s5p6440_gpio_2bit));
- s5p64x0_gpio_add_rbank_4bit2(s5p6440_gpio_rbank_4bit2,
- ARRAY_SIZE(s5p6440_gpio_rbank_4bit2));
+ samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit,
+ ARRAY_SIZE(s5p6440_gpio_4bit));
+
+ samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2,
+ ARRAY_SIZE(s5p6440_gpio_4bit2));
+
+ s5p64x0_gpio_add_rbank_4bit2(s5p6440_gpio_rbank_4bit2,
+ ARRAY_SIZE(s5p6440_gpio_rbank_4bit2));
+ }
return 0;
}
-arch_initcall(s5p6440_gpiolib_init);
+core_initcall(s5p64x0_gpiolib_init);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.