arm: omap: add minimal support for RM-680

Add minimal support for Nokia RM-680 board.

Tested with omap2plus_defconfig.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
[tony@atomide.com: updated to remove omap_gpio_init
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 186 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c
new file mode 100644
index 000000000000..8da65bd6ff8d
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rm680.c
@@ -0,0 +1,186 @@
+/*
+ * Board support file for Nokia RM-680.
+ *
+ * Copyright (C) 2010 Nokia
+ *
+ * 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/io.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/i2c/twl.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/consumer.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/i2c.h>
+#include <plat/mmc.h>
+#include <plat/usb.h>
+#include <plat/gpmc.h>
+#include <plat/common.h>
+#include <plat/onenand.h>
+
+#include "mux.h"
+#include "hsmmc.h"
+#include "sdram-nokia.h"
+
+static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
+        REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1"),
+};
+
+/* Fixed regulator for internal eMMC */
+static struct regulator_init_data rm680_vemmc = {
+        .constraints =  {
+                .name                   = "rm680_vemmc",
+                .min_uV                 = 2900000,
+                .max_uV                 = 2900000,
+                .apply_uV               = 1,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_STATUS
+                                        | REGULATOR_CHANGE_MODE,
+        },
+        .num_consumer_supplies          = ARRAY_SIZE(rm680_vemmc_consumers),
+        .consumer_supplies              = rm680_vemmc_consumers,
+};
+
+static struct fixed_voltage_config rm680_vemmc_config = {
+        .supply_name            = "VEMMC",
+        .microvolts             = 2900000,
+        .gpio                   = 157,
+        .startup_delay          = 150,
+        .enable_high            = 1,
+        .init_data              = &rm680_vemmc,
+};
+
+static struct platform_device rm680_vemmc_device = {
+        .name                   = "reg-fixed-voltage",
+        .dev                    = {
+                .platform_data  = &rm680_vemmc_config,
+        },
+};
+
+static struct platform_device *rm680_peripherals_devices[] __initdata = {
+        &rm680_vemmc_device,
+};
+
+/* TWL */
+static struct twl4030_gpio_platform_data rm680_gpio_data = {
+        .gpio_base              = OMAP_MAX_GPIO_LINES,
+        .irq_base               = TWL4030_GPIO_IRQ_BASE,
+        .irq_end                = TWL4030_GPIO_IRQ_END,
+        .pullups                = BIT(0),
+        .pulldowns              = BIT(1) | BIT(2) | BIT(8) | BIT(15),
+};
+
+static struct twl4030_usb_data rm680_usb_data = {
+        .usb_mode               = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_platform_data rm680_twl_data = {
+        .irq_base               = TWL4030_IRQ_BASE,
+        .irq_end                = TWL4030_IRQ_END,
+        .gpio                   = &rm680_gpio_data,
+        .usb                    = &rm680_usb_data,
+        /* add rest of the children here */
+};
+
+static struct i2c_board_info __initdata rm680_twl_i2c_board_info[] = {
+        {
+                I2C_BOARD_INFO("twl5031", 0x48),
+                .flags          = I2C_CLIENT_WAKE,
+                .irq            = INT_34XX_SYS_NIRQ,
+                .platform_data  = &rm680_twl_data,
+        },
+};
+
+static void __init rm680_i2c_init(void)
+{
+        omap_register_i2c_bus(1, 2900, rm680_twl_i2c_board_info,
+                                ARRAY_SIZE(rm680_twl_i2c_board_info));
+        omap_register_i2c_bus(2, 400, NULL, 0);
+        omap_register_i2c_bus(3, 400, NULL, 0);
+}
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+        defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+static struct omap_onenand_platform_data board_onenand_data[] = {
+        {
+                .gpio_irq       = 65,
+                .flags          = ONENAND_SYNC_READWRITE,
+        }
+};
+#endif
+
+/* eMMC */
+static struct omap2_hsmmc_info mmc[] __initdata = {
+        {
+                .name           = "internal",
+                .mmc            = 2,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
+                .gpio_cd        = -EINVAL,
+                .gpio_wp        = -EINVAL,
+        },
+        { /* Terminator */ }
+};
+
+static void __init rm680_peripherals_init(void)
+{
+        platform_add_devices(rm680_peripherals_devices,
+                                ARRAY_SIZE(rm680_peripherals_devices));
+        rm680_i2c_init();
+        gpmc_onenand_init(board_onenand_data);
+        omap2_hsmmc_init(mmc);
+}
+
+static void __init rm680_init_irq(void)
+{
+        struct omap_sdrc_params *sdrc_params;
+
+        sdrc_params = nokia_get_sdram_timings();
+        omap2_init_common_hw(sdrc_params, sdrc_params);
+        omap_init_irq();
+}
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+        { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#endif
+
+static struct omap_musb_board_data rm680_musb_data = {
+        .interface_type = MUSB_INTERFACE_ULPI,
+        .mode           = MUSB_PERIPHERAL,
+        .power          = 100,
+};
+
+static void __init rm680_init(void)
+{
+        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+        omap_serial_init();
+        usb_musb_init(&rm680_musb_data);
+        rm680_peripherals_init();
+}
+
+static void __init rm680_map_io(void)
+{
+        omap2_set_globals_3xxx();
+        omap34xx_map_common_io();
+}
+
+MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
+        .boot_params    = 0x80000100,
+        .map_io         = rm680_map_io,
+        .reserve        = omap_reserve,
+        .init_irq       = rm680_init_irq,
+        .init_machine   = rm680_init,
+        .timer          = &omap_timer,
+MACHINE_END