--- /dev/null
+/* linux/arch/arm/mach-s5pv310/gpiolib.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5PV310 - 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 <mach/map.h>
+
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.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,
+};
+
+/*
+ * Following are the gpio banks in v310.
+ *
+ * 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 s5pv310_gpio_part1_4bit[] = {
+ {
+ .chip = {
+ .base = S5PV310_GPA0(0),
+ .ngpio = S5PV310_GPIO_A0_NR,
+ .label = "GPA0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPA1(0),
+ .ngpio = S5PV310_GPIO_A1_NR,
+ .label = "GPA1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPB(0),
+ .ngpio = S5PV310_GPIO_B_NR,
+ .label = "GPB",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPC0(0),
+ .ngpio = S5PV310_GPIO_C0_NR,
+ .label = "GPC0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPC1(0),
+ .ngpio = S5PV310_GPIO_C1_NR,
+ .label = "GPC1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPD0(0),
+ .ngpio = S5PV310_GPIO_D0_NR,
+ .label = "GPD0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPD1(0),
+ .ngpio = S5PV310_GPIO_D1_NR,
+ .label = "GPD1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPE0(0),
+ .ngpio = S5PV310_GPIO_E0_NR,
+ .label = "GPE0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPE1(0),
+ .ngpio = S5PV310_GPIO_E1_NR,
+ .label = "GPE1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPE2(0),
+ .ngpio = S5PV310_GPIO_E2_NR,
+ .label = "GPE2",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPE3(0),
+ .ngpio = S5PV310_GPIO_E3_NR,
+ .label = "GPE3",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPE4(0),
+ .ngpio = S5PV310_GPIO_E4_NR,
+ .label = "GPE4",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPF0(0),
+ .ngpio = S5PV310_GPIO_F0_NR,
+ .label = "GPF0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPF1(0),
+ .ngpio = S5PV310_GPIO_F1_NR,
+ .label = "GPF1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPF2(0),
+ .ngpio = S5PV310_GPIO_F2_NR,
+ .label = "GPF2",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPF3(0),
+ .ngpio = S5PV310_GPIO_F3_NR,
+ .label = "GPF3",
+ },
+ },
+};
+
+static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = {
+ {
+ .chip = {
+ .base = S5PV310_GPJ0(0),
+ .ngpio = S5PV310_GPIO_J0_NR,
+ .label = "GPJ0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPJ1(0),
+ .ngpio = S5PV310_GPIO_J1_NR,
+ .label = "GPJ1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPK0(0),
+ .ngpio = S5PV310_GPIO_K0_NR,
+ .label = "GPK0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPK1(0),
+ .ngpio = S5PV310_GPIO_K1_NR,
+ .label = "GPK1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPK2(0),
+ .ngpio = S5PV310_GPIO_K2_NR,
+ .label = "GPK2",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPK3(0),
+ .ngpio = S5PV310_GPIO_K3_NR,
+ .label = "GPK3",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPL0(0),
+ .ngpio = S5PV310_GPIO_L0_NR,
+ .label = "GPL0",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPL1(0),
+ .ngpio = S5PV310_GPIO_L1_NR,
+ .label = "GPL1",
+ },
+ }, {
+ .chip = {
+ .base = S5PV310_GPL2(0),
+ .ngpio = S5PV310_GPIO_L2_NR,
+ .label = "GPL2",
+ },
+ }, {
+ .base = (S5P_VA_GPIO2 + 0xC00),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(0),
+ .chip = {
+ .base = S5PV310_GPX0(0),
+ .ngpio = S5PV310_GPIO_X0_NR,
+ .label = "GPX0",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ }, {
+ .base = (S5P_VA_GPIO2 + 0xC20),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(8),
+ .chip = {
+ .base = S5PV310_GPX1(0),
+ .ngpio = S5PV310_GPIO_X1_NR,
+ .label = "GPX1",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ }, {
+ .base = (S5P_VA_GPIO2 + 0xC40),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(16),
+ .chip = {
+ .base = S5PV310_GPX2(0),
+ .ngpio = S5PV310_GPIO_X2_NR,
+ .label = "GPX2",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ }, {
+ .base = (S5P_VA_GPIO2 + 0xC60),
+ .config = &gpio_cfg_noint,
+ .irq_base = IRQ_EINT(24),
+ .chip = {
+ .base = S5PV310_GPX3(0),
+ .ngpio = S5PV310_GPIO_X3_NR,
+ .label = "GPX3",
+ .to_irq = samsung_gpiolib_to_irq,
+ },
+ },
+};
+
+static struct s3c_gpio_chip s5pv310_gpio_part3_4bit[] = {
+ {
+ .chip = {
+ .base = S5PV310_GPZ(0),
+ .ngpio = S5PV310_GPIO_Z_NR,
+ .label = "GPZ",
+ },
+ },
+};
+
+static __init int s5pv310_gpiolib_init(void)
+{
+ struct s3c_gpio_chip *chip;
+ int i;
+ int nr_chips;
+
+ /* GPIO part 1 */
+
+ chip = s5pv310_gpio_part1_4bit;
+ nr_chips = ARRAY_SIZE(s5pv310_gpio_part1_4bit);
+
+ for (i = 0; i < nr_chips; i++, chip++) {
+ if (chip->config == NULL)
+ chip->config = &gpio_cfg;
+ if (chip->base == NULL)
+ chip->base = S5P_VA_GPIO1 + (i) * 0x20;
+ }
+
+ samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part1_4bit, nr_chips);
+
+ /* GPIO part 2 */
+
+ chip = s5pv310_gpio_part2_4bit;
+ nr_chips = ARRAY_SIZE(s5pv310_gpio_part2_4bit);
+
+ for (i = 0; i < nr_chips; i++, chip++) {
+ if (chip->config == NULL)
+ chip->config = &gpio_cfg;
+ if (chip->base == NULL)
+ chip->base = S5P_VA_GPIO2 + (i) * 0x20;
+ }
+
+ samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part2_4bit, nr_chips);
+
+ /* GPIO part 3 */
+
+ chip = s5pv310_gpio_part3_4bit;
+ nr_chips = ARRAY_SIZE(s5pv310_gpio_part3_4bit);
+
+ for (i = 0; i < nr_chips; i++, chip++) {
+ if (chip->config == NULL)
+ chip->config = &gpio_cfg;
+ if (chip->base == NULL)
+ chip->base = S5P_VA_GPIO3 + (i) * 0x20;
+ }
+
+ samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part3_4bit, nr_chips);
+
+ return 0;
+}
+core_initcall(s5pv310_gpiolib_init);
projects / mv-sheeva.git / commitdiff