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authorKyungmin Park <kyungmin.park@samsung.com>2011-05-23 17:27:51 +0900
committerGrant Likely <grant.likely@secretlab.ca>2011-05-26 17:33:37 -0600
commit347ec4e47dd249c0620f429d8458fc42eed63e0e (patch)
treef39843c7dba80b6a143bb1bbd89a06bf08d87550 /drivers/gpio
parentab48f16137eb5a6fabcff4cc817319394fc0de7e (diff)
downloadop-kernel-dev-347ec4e47dd249c0620f429d8458fc42eed63e0e.zip
op-kernel-dev-347ec4e47dd249c0620f429d8458fc42eed63e0e.tar.gz
gpio: Move the s5pv210 GPIO to drivers/gpio
Move the Samsung s5pv210 SoC GPIO driver to drivers/gpio Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/Kconfig6
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/gpio-s5pv210.c288
3 files changed, 295 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index dbe43b4..92d16fd 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -98,6 +98,12 @@ config GPIO_PLAT_SAMSUNG
help
Say yes here to support Samsung SoCs GPIO library
+config GPIO_S5PV210
+ bool "Samsung S5PV210/S5PC110 GPIO library support"
+ default y if CPU_S5PV210
+ help
+ Say yes here to support Samsung S5PV210/S5PC110 SoCs GPIO library
+
config GPIO_PL061
bool "PrimeCell PL061 GPIO support"
depends on ARM_AMBA
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index d7f9601..2edf6d6 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_GPIO_BASIC_MMIO_CORE) += basic_mmio_gpio.o
obj-$(CONFIG_GPIO_BASIC_MMIO) += basic_mmio_gpio.o
obj-$(CONFIG_GPIO_EXYNOS4) += gpio-exynos4.o
obj-$(CONFIG_GPIO_PLAT_SAMSUNG) += gpio-plat-samsung.o
+obj-$(CONFIG_GPIO_S5PV210) += gpio-s5pv210.o
obj-$(CONFIG_GPIO_LANGWELL) += langwell_gpio.o
obj-$(CONFIG_GPIO_MAX730X) += max730x.o
obj-$(CONFIG_GPIO_MAX7300) += max7300.o
diff --git a/drivers/gpio/gpio-s5pv210.c b/drivers/gpio/gpio-s5pv210.c
new file mode 100644
index 0000000..1ba20a7
--- /dev/null
+++ b/drivers/gpio/gpio-s5pv210.c
@@ -0,0 +1,288 @@
+/* linux/arch/arm/mach-s5pv210/gpiolib.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5PV210 - GPIOlib support
+ *
+ * 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/kernel.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
+#include <mach/map.h>
+
+static struct s3c_gpio_cfg gpio_cfg = {
+ .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_cfg_noint = {
+ .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
+ .set_pull = s3c_gpio_setpull_updown,
+ .get_pull = s3c_gpio_getpull_updown,
+};
+
+/* GPIO bank's base address given the index of the bank in the
+ * list of all gpio banks.
+ */
+#define S5PV210_BANK_BASE(bank_nr) (S5P_VA_GPIO + ((bank_nr) * 0x20))
+
+/*
+ * Following are the gpio banks in v210.
+ *
+ * The 'config' member when left to NULL, is initialized to the default
+ * structure gpio_cfg in the init function below.
+ *
+ * The 'base' member is also initialized in the init function below.
+ * Note: The initialization of 'base' member of s3c_gpio_chip structure
+ * uses the above macro and depends on the banks being listed in order here.
+ */
+static struct s3c_gpio_chip s5pv210_gpio_4bit[] = {
+ {
+ .chip = {
+ .base = S5PV210_GPA0(0),
+ .ngpio = S5PV210_GPIO_A0_NR,
+ .label = "GPA0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPA1(0),
+ .ngpio = S5PV210_GPIO_A1_NR,
+ .label = "GPA1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPB(0),
+ .ngpio = S5PV210_GPIO_B_NR,
+ .label = "GPB",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPC0(0),
+ .ngpio = S5PV210_GPIO_C0_NR,
+ .label = "GPC0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPC1(0),
+ .ngpio = S5PV210_GPIO_C1_NR,
+ .label = "GPC1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPD0(0),
+ .ngpio = S5PV210_GPIO_D0_NR,
+ .label = "GPD0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPD1(0),
+ .ngpio = S5PV210_GPIO_D1_NR,
+ .label = "GPD1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPE0(0),
+ .ngpio = S5PV210_GPIO_E0_NR,
+ .label = "GPE0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPE1(0),
+ .ngpio = S5PV210_GPIO_E1_NR,
+ .label = "GPE1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPF0(0),
+ .ngpio = S5PV210_GPIO_F0_NR,
+ .label = "GPF0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPF1(0),
+ .ngpio = S5PV210_GPIO_F1_NR,
+ .label = "GPF1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPF2(0),
+ .ngpio = S5PV210_GPIO_F2_NR,
+ .label = "GPF2",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPF3(0),
+ .ngpio = S5PV210_GPIO_F3_NR,
+ .label = "GPF3",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPG0(0),
+ .ngpio = S5PV210_GPIO_G0_NR,
+ .label = "GPG0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPG1(0),
+ .ngpio = S5PV210_GPIO_G1_NR,
+ .label = "GPG1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPG2(0),
+ .ngpio = S5PV210_GPIO_G2_NR,
+ .label = "GPG2",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPG3(0),
+ .ngpio = S5PV210_GPIO_G3_NR,
+ .label = "GPG3",
+ },
+ }, {
+ .config = &gpio_cfg_noint,
+ .chip = {
+ .base = S5PV210_GPI(0),
+ .ngpio = S5PV210_GPIO_I_NR,
+ .label = "GPI",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPJ0(0),
+ .ngpio = S5PV210_GPIO_J0_NR,
+ .label = "GPJ0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPJ1(0),
+ .ngpio = S5PV210_GPIO_J1_NR,
+ .label = "GPJ1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPJ2(0),
+ .ngpio = S5PV210_GPIO_J2_NR,
+ .label = "GPJ2",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPJ3(0),
+ .ngpio = S5PV210_GPIO_J3_NR,
+ .label = "GPJ3",
+ },
+ }, {
+ .chip = {
+ .base = S5PV210_GPJ4(0),
+ .ngpio = S5PV210_GPIO_J4_NR,
+ .label = "GPJ4",
+ },
+ }, {
+ .config = &gpio_cfg_noint,
+ .chip = {
+ .base = S5PV210_MP01(0),
+ .ngpio = S5PV210_GPIO_MP01_NR,
+ .label = "MP01",
+ },
+ }, {
+ .config = &gpio_cfg_noint,
+ .chip = {
+ .base = S5PV210_MP02(0),
+ .ngpio = S5PV210_GPIO_MP02_NR,
+ .label = "MP02",
+ },
+ }, {
+ .config = &gpio_cfg_noint,
+ .chip = {
+ .base = S5PV210_MP03(0),
+ .ngpio = S5PV210_GPIO_MP03_NR,
+ .label = "MP03",
+ },
+ }, {
+ .config = &gpio_cfg_noint,
+ .chip = {
+ .base = S5PV210_MP04(0),
+ .ngpio = S5PV210_GPIO_MP04_NR,
+ .label = "MP04",
+ },
+ }, {
+ .config = &gpio_cfg_noint,
+ .chip = {
+ .base = S5PV210_MP05(0),
+ .ngpio = S5PV210_GPIO_MP05_NR,
+ .label = "MP05",
+ },
+ }, {
+ .base = (S5P_VA_GPIO + 0xC00),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(0),
+ .chip = {
+ .base = S5PV210_GPH0(0),
+ .ngpio = S5PV210_GPIO_H0_NR,
+ .label = "GPH0",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ }, {
+ .base = (S5P_VA_GPIO + 0xC20),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(8),
+ .chip = {
+ .base = S5PV210_GPH1(0),
+ .ngpio = S5PV210_GPIO_H1_NR,
+ .label = "GPH1",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ }, {
+ .base = (S5P_VA_GPIO + 0xC40),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(16),
+ .chip = {
+ .base = S5PV210_GPH2(0),
+ .ngpio = S5PV210_GPIO_H2_NR,
+ .label = "GPH2",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ }, {
+ .base = (S5P_VA_GPIO + 0xC60),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(24),
+ .chip = {
+ .base = S5PV210_GPH3(0),
+ .ngpio = S5PV210_GPIO_H3_NR,
+ .label = "GPH3",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ },
+};
+
+static __init int s5pv210_gpiolib_init(void)
+{
+ struct s3c_gpio_chip *chip = s5pv210_gpio_4bit;
+ int nr_chips = ARRAY_SIZE(s5pv210_gpio_4bit);
+ int gpioint_group = 0;
+ int i = 0;
+
+ for (i = 0; i < nr_chips; i++, chip++) {
+ if (chip->config == NULL) {
+ chip->config = &gpio_cfg;
+ chip->group = gpioint_group++;
+ }
+ if (chip->base == NULL)
+ chip->base = S5PV210_BANK_BASE(i);
+ }
+
+ samsung_gpiolib_add_4bit_chips(s5pv210_gpio_4bit, nr_chips);
+ s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR);
+
+ return 0;
+}
+core_initcall(s5pv210_gpiolib_init);
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