ARM: EXYNOS4: Adds Samsung NURI board support

This patch adds Samsung NURI board support.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 231 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
new file mode 100644
index 000000000000..4767ed1e39fc
--- /dev/null
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -0,0 +1,231 @@
+/*
+ * linux/arch/arm/mach-exynos4/mach-nuri.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *
+ * 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/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mmc/host.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/exynos4.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/sdhci.h>
+
+#include <mach/map.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define NURI_UCON_DEFAULT       (S3C2410_UCON_TXILEVEL |        \
+                                 S3C2410_UCON_RXILEVEL |        \
+                                 S3C2410_UCON_TXIRQMODE |       \
+                                 S3C2410_UCON_RXIRQMODE |       \
+                                 S3C2410_UCON_RXFIFO_TOI |      \
+                                 S3C2443_UCON_RXERR_IRQEN)
+
+#define NURI_ULCON_DEFAULT      S3C2410_LCON_CS8
+
+#define NURI_UFCON_DEFAULT      (S3C2410_UFCON_FIFOMODE |       \
+                                 S5PV210_UFCON_TXTRIG256 |      \
+                                 S5PV210_UFCON_RXTRIG256)
+
+enum fixed_regulator_id {
+        FIXED_REG_ID_MMC = 0,
+};
+
+static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = {
+        {
+                .hwport         = 0,
+                .ucon           = NURI_UCON_DEFAULT,
+                .ulcon          = NURI_ULCON_DEFAULT,
+                .ufcon          = NURI_UFCON_DEFAULT,
+        },
+        {
+                .hwport         = 1,
+                .ucon           = NURI_UCON_DEFAULT,
+                .ulcon          = NURI_ULCON_DEFAULT,
+                .ufcon          = NURI_UFCON_DEFAULT,
+        },
+        {
+                .hwport         = 2,
+                .ucon           = NURI_UCON_DEFAULT,
+                .ulcon          = NURI_ULCON_DEFAULT,
+                .ufcon          = NURI_UFCON_DEFAULT,
+        },
+        {
+                .hwport         = 3,
+                .ucon           = NURI_UCON_DEFAULT,
+                .ulcon          = NURI_ULCON_DEFAULT,
+                .ufcon          = NURI_UFCON_DEFAULT,
+        },
+};
+
+/* eMMC */
+static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
+        .max_width              = 8,
+        .host_caps              = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+                                MMC_CAP_DISABLE | MMC_CAP_ERASE),
+        .cd_type                = S3C_SDHCI_CD_PERMANENT,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct regulator_consumer_supply emmc_supplies[] = {
+        REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
+        REGULATOR_SUPPLY("vmmc", "dw_mmc"),
+};
+
+static struct regulator_init_data emmc_fixed_voltage_init_data = {
+        .constraints            = {
+                .name           = "VMEM_VDD_2.8V",
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(emmc_supplies),
+        .consumer_supplies      = emmc_supplies,
+};
+
+static struct fixed_voltage_config emmc_fixed_voltage_config = {
+        .supply_name            = "MASSMEMORY_EN (inverted)",
+        .microvolts             = 2800000,
+        .gpio                   = EXYNOS4_GPL1(1),
+        .enable_high            = false,
+        .init_data              = &emmc_fixed_voltage_init_data,
+};
+
+static struct platform_device emmc_fixed_voltage = {
+        .name                   = "reg-fixed-voltage",
+        .id                     = FIXED_REG_ID_MMC,
+        .dev                    = {
+                .platform_data  = &emmc_fixed_voltage_config,
+        },
+};
+
+/* SD */
+static struct s3c_sdhci_platdata nuri_hsmmc2_data __initdata = {
+        .max_width              = 4,
+        .host_caps              = MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+                                MMC_CAP_DISABLE,
+        .ext_cd_gpio            = EXYNOS4_GPX3(3),      /* XEINT_27 */
+        .ext_cd_gpio_invert     = 1,
+        .cd_type                = S3C_SDHCI_CD_GPIO,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+/* WLAN */
+static struct s3c_sdhci_platdata nuri_hsmmc3_data __initdata = {
+        .max_width              = 4,
+        .host_caps              = MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+        .cd_type                = S3C_SDHCI_CD_EXTERNAL,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static void __init nuri_sdhci_init(void)
+{
+        s3c_sdhci0_set_platdata(&nuri_hsmmc0_data);
+        s3c_sdhci2_set_platdata(&nuri_hsmmc2_data);
+        s3c_sdhci3_set_platdata(&nuri_hsmmc3_data);
+}
+
+/* GPIO KEYS */
+static struct gpio_keys_button nuri_gpio_keys_tables[] = {
+        {
+                .code                   = KEY_VOLUMEUP,
+                .gpio                   = EXYNOS4_GPX2(0),      /* XEINT16 */
+                .desc                   = "gpio-keys: KEY_VOLUMEUP",
+                .type                   = EV_KEY,
+                .active_low             = 1,
+                .debounce_interval      = 1,
+        }, {
+                .code                   = KEY_VOLUMEDOWN,
+                .gpio                   = EXYNOS4_GPX2(1),      /* XEINT17 */
+                .desc                   = "gpio-keys: KEY_VOLUMEDOWN",
+                .type                   = EV_KEY,
+                .active_low             = 1,
+                .debounce_interval      = 1,
+        }, {
+                .code                   = KEY_POWER,
+                .gpio                   = EXYNOS4_GPX2(7),      /* XEINT23 */
+                .desc                   = "gpio-keys: KEY_POWER",
+                .type                   = EV_KEY,
+                .active_low             = 1,
+                .wakeup                 = 1,
+                .debounce_interval      = 1,
+        },
+};
+
+static struct gpio_keys_platform_data nuri_gpio_keys_data = {
+        .buttons                = nuri_gpio_keys_tables,
+        .nbuttons               = ARRAY_SIZE(nuri_gpio_keys_tables),
+};
+
+static struct platform_device nuri_gpio_keys = {
+        .name                   = "gpio-keys",
+        .dev                    = {
+                .platform_data  = &nuri_gpio_keys_data,
+        },
+};
+
+/* I2C1 */
+static struct i2c_board_info i2c1_devs[] __initdata = {
+        /* Gyro, To be updated */
+};
+
+/* GPIO I2C 5 (PMIC) */
+static struct i2c_board_info i2c5_devs[] __initdata = {
+        /* max8997, To be updated */
+};
+
+static struct platform_device *nuri_devices[] __initdata = {
+        /* Samsung Platform Devices */
+        &emmc_fixed_voltage,
+        &s3c_device_hsmmc0,
+        &s3c_device_hsmmc2,
+        &s3c_device_hsmmc3,
+        &s3c_device_wdt,
+
+        /* NURI Devices */
+        &nuri_gpio_keys,
+};
+
+static void __init nuri_map_io(void)
+{
+        s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+        s3c24xx_init_clocks(24000000);
+        s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
+}
+
+static void __init nuri_machine_init(void)
+{
+        nuri_sdhci_init();
+
+        i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
+        i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
+
+        /* Last */
+        platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices));
+}
+
+MACHINE_START(NURI, "NURI")
+        /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
+        .boot_params    = S5P_PA_SDRAM + 0x100,
+        .init_irq       = exynos4_init_irq,
+        .map_io         = nuri_map_io,
+        .init_machine   = nuri_machine_init,
+        .timer          = &exynos4_timer,
+MACHINE_END