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Diffstat (limited to 'arch/arm/plat-s3c64xx')
-rw-r--r--arch/arm/plat-s3c64xx/Kconfig3
-rw-r--r--arch/arm/plat-s3c64xx/gpiolib.c75
2 files changed, 77 insertions, 1 deletions
diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig
index 3df2ec19d08..842200abeb3 100644
--- a/arch/arm/plat-s3c64xx/Kconfig
+++ b/arch/arm/plat-s3c64xx/Kconfig
@@ -15,6 +15,9 @@ config PLAT_S3C64XX
select NO_IOPORT
select ARCH_REQUIRE_GPIOLIB
select S3C_GPIO_TRACK
+ select S3C_GPIO_PULL_UPDOWN
+ select S3C_GPIO_CFG_S3C24XX
+ select S3C_GPIO_CFG_S3C64XX
help
Base platform code for any Samsung S3C64XX device
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c
index 28ba23502bc..cc62941d7b5 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/plat-s3c64xx/gpiolib.c
@@ -18,8 +18,10 @@
#include <mach/map.h>
#include <mach/gpio.h>
+#include <mach/gpio-core.h>
-#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
#include <plat/regs-gpio.h>
/* GPIO bank summary:
@@ -52,6 +54,12 @@
#define con_4bit_shift(__off) ((__off) * 4)
+#if 1
+#define gpio_dbg(x...) do { } while(0)
+#else
+#define gpio_dbg(x...) printk(KERN_DEBUG ## x)
+#endif
+
/* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where
* the gpio configuration register (GPxCON) has 4 bits per GPIO, as the
* following example:
@@ -77,6 +85,8 @@ static int s3c64xx_gpiolib_4bit_input(struct gpio_chip *chip, unsigned offset)
con &= ~(0xf << con_4bit_shift(offset));
__raw_writel(con, base + OFF_GPCON);
+ gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con);
+
return 0;
}
@@ -102,6 +112,8 @@ static int s3c64xx_gpiolib_4bit_output(struct gpio_chip *chip,
__raw_writel(con, base + OFF_GPCON);
__raw_writel(dat, base + OFF_GPDAT);
+ gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+
return 0;
}
@@ -142,6 +154,8 @@ static int s3c64xx_gpiolib_4bit2_input(struct gpio_chip *chip, unsigned offset)
con &= ~(0xf << con_4bit_shift(offset));
__raw_writel(con, regcon);
+ gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con);
+
return 0;
}
@@ -174,12 +188,35 @@ static int s3c64xx_gpiolib_4bit2_output(struct gpio_chip *chip,
__raw_writel(con, regcon);
__raw_writel(dat, base + OFF_GPDAT);
+ gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+
return 0;
}
+static struct s3c_gpio_cfg gpio_4bit_cfg_noint = {
+ .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = {
+ .cfg_eint = 7,
+ .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = {
+ .cfg_eint = 3,
+ .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
static struct s3c_gpio_chip gpio_4bit[] = {
{
.base = S3C64XX_GPA_BASE,
+ .config = &gpio_4bit_cfg_eint0111,
.chip = {
.base = S3C64XX_GPA(0),
.ngpio = S3C64XX_GPIO_A_NR,
@@ -187,6 +224,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
},
}, {
.base = S3C64XX_GPB_BASE,
+ .config = &gpio_4bit_cfg_eint0111,
.chip = {
.base = S3C64XX_GPB(0),
.ngpio = S3C64XX_GPIO_B_NR,
@@ -194,6 +232,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
},
}, {
.base = S3C64XX_GPC_BASE,
+ .config = &gpio_4bit_cfg_eint0111,
.chip = {
.base = S3C64XX_GPC(0),
.ngpio = S3C64XX_GPIO_C_NR,
@@ -201,6 +240,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
},
}, {
.base = S3C64XX_GPD_BASE,
+ .config = &gpio_4bit_cfg_eint0111,
.chip = {
.base = S3C64XX_GPD(0),
.ngpio = S3C64XX_GPIO_D_NR,
@@ -208,6 +248,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
},
}, {
.base = S3C64XX_GPE_BASE,
+ .config = &gpio_4bit_cfg_noint,
.chip = {
.base = S3C64XX_GPE(0),
.ngpio = S3C64XX_GPIO_E_NR,
@@ -215,6 +256,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
},
}, {
.base = S3C64XX_GPG_BASE,
+ .config = &gpio_4bit_cfg_eint0111,
.chip = {
.base = S3C64XX_GPG(0),
.ngpio = S3C64XX_GPIO_G_NR,
@@ -222,6 +264,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
},
}, {
.base = S3C64XX_GPM_BASE,
+ .config = &gpio_4bit_cfg_eint0011,
.chip = {
.base = S3C64XX_GPM(0),
.ngpio = S3C64XX_GPIO_M_NR,
@@ -233,6 +276,7 @@ static struct s3c_gpio_chip gpio_4bit[] = {
static struct s3c_gpio_chip gpio_4bit2[] = {
{
.base = S3C64XX_GPH_BASE + 0x4,
+ .config = &gpio_4bit_cfg_eint0111,
.chip = {
.base = S3C64XX_GPH(0),
.ngpio = S3C64XX_GPIO_H_NR,
@@ -240,6 +284,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = {
},
}, {
.base = S3C64XX_GPK_BASE + 0x4,
+ .config = &gpio_4bit_cfg_noint,
.chip = {
.base = S3C64XX_GPK(0),
.ngpio = S3C64XX_GPIO_K_NR,
@@ -247,6 +292,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = {
},
}, {
.base = S3C64XX_GPL_BASE + 0x4,
+ .config = &gpio_4bit_cfg_eint0011,
.chip = {
.base = S3C64XX_GPL(0),
.ngpio = S3C64XX_GPIO_L_NR,
@@ -255,9 +301,30 @@ static struct s3c_gpio_chip gpio_4bit2[] = {
},
};
+static struct s3c_gpio_cfg gpio_2bit_cfg_noint = {
+ .set_config = s3c_gpio_setcfg_s3c24xx,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = {
+ .cfg_eint = 2,
+ .set_config = s3c_gpio_setcfg_s3c24xx,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = {
+ .cfg_eint = 3,
+ .set_config = s3c_gpio_setcfg_s3c24xx,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
static struct s3c_gpio_chip gpio_2bit[] = {
{
.base = S3C64XX_GPF_BASE,
+ .config = &gpio_2bit_cfg_eint11,
.chip = {
.base = S3C64XX_GPF(0),
.ngpio = S3C64XX_GPIO_F_NR,
@@ -265,6 +332,7 @@ static struct s3c_gpio_chip gpio_2bit[] = {
},
}, {
.base = S3C64XX_GPI_BASE,
+ .config = &gpio_2bit_cfg_noint,
.chip = {
.base = S3C64XX_GPI(0),
.ngpio = S3C64XX_GPIO_I_NR,
@@ -272,6 +340,7 @@ static struct s3c_gpio_chip gpio_2bit[] = {
},
}, {
.base = S3C64XX_GPJ_BASE,
+ .config = &gpio_2bit_cfg_noint,
.chip = {
.base = S3C64XX_GPJ(0),
.ngpio = S3C64XX_GPIO_J_NR,
@@ -279,6 +348,7 @@ static struct s3c_gpio_chip gpio_2bit[] = {
},
}, {
.base = S3C64XX_GPN_BASE,
+ .config = &gpio_2bit_cfg_eint10,
.chip = {
.base = S3C64XX_GPN(0),
.ngpio = S3C64XX_GPIO_N_NR,
@@ -286,6 +356,7 @@ static struct s3c_gpio_chip gpio_2bit[] = {
},
}, {
.base = S3C64XX_GPO_BASE,
+ .config = &gpio_2bit_cfg_eint11,
.chip = {
.base = S3C64XX_GPO(0),
.ngpio = S3C64XX_GPIO_O_NR,
@@ -293,6 +364,7 @@ static struct s3c_gpio_chip gpio_2bit[] = {
},
}, {
.base = S3C64XX_GPP_BASE,
+ .config = &gpio_2bit_cfg_eint11,
.chip = {
.base = S3C64XX_GPP(0),
.ngpio = S3C64XX_GPIO_P_NR,
@@ -300,6 +372,7 @@ static struct s3c_gpio_chip gpio_2bit[] = {
},
}, {
.base = S3C64XX_GPQ_BASE,
+ .config = &gpio_2bit_cfg_eint11,
.chip = {
.base = S3C64XX_GPQ(0),
.ngpio = S3C64XX_GPIO_Q_NR,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 20:48:12 +0000