mirror of
https://github.com/torvalds/linux
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bbd707acee
Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Tony Lindgren <tony@atomide.com>
170 lines
4.1 KiB
C
170 lines
4.1 KiB
C
/*
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* Board support file for Nokia RM-680/696.
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*
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* Copyright (C) 2010 Nokia
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/i2c/twl.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/consumer.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <plat/i2c.h>
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#include <plat/mmc.h>
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#include <plat/usb.h>
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#include <plat/gpmc.h>
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#include "common.h"
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#include <plat/onenand.h>
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#include "mux.h"
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#include "hsmmc.h"
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#include "sdram-nokia.h"
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#include "common-board-devices.h"
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static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
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};
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/* Fixed regulator for internal eMMC */
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static struct regulator_init_data rm680_vemmc = {
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.constraints = {
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.name = "rm680_vemmc",
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS
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| REGULATOR_CHANGE_MODE,
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},
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.num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers),
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.consumer_supplies = rm680_vemmc_consumers,
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};
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static struct fixed_voltage_config rm680_vemmc_config = {
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.supply_name = "VEMMC",
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.microvolts = 2900000,
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.gpio = 157,
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.startup_delay = 150,
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.enable_high = 1,
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.init_data = &rm680_vemmc,
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};
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static struct platform_device rm680_vemmc_device = {
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.name = "reg-fixed-voltage",
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.dev = {
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.platform_data = &rm680_vemmc_config,
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},
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};
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static struct platform_device *rm680_peripherals_devices[] __initdata = {
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&rm680_vemmc_device,
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};
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/* TWL */
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static struct twl4030_gpio_platform_data rm680_gpio_data = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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.pullups = BIT(0),
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.pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15),
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};
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static struct twl4030_platform_data rm680_twl_data = {
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.gpio = &rm680_gpio_data,
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/* add rest of the children here */
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};
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static void __init rm680_i2c_init(void)
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{
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omap3_pmic_get_config(&rm680_twl_data, TWL_COMMON_PDATA_USB, 0);
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omap_pmic_init(1, 2900, "twl5031", INT_34XX_SYS_NIRQ, &rm680_twl_data);
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omap_register_i2c_bus(2, 400, NULL, 0);
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omap_register_i2c_bus(3, 400, NULL, 0);
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}
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#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
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defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
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static struct omap_onenand_platform_data board_onenand_data[] = {
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{
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.gpio_irq = 65,
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.flags = ONENAND_SYNC_READWRITE,
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}
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};
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#endif
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/* eMMC */
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static struct omap2_hsmmc_info mmc[] __initdata = {
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{
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.name = "internal",
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.mmc = 2,
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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{ /* Terminator */ }
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};
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static void __init rm680_peripherals_init(void)
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{
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platform_add_devices(rm680_peripherals_devices,
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ARRAY_SIZE(rm680_peripherals_devices));
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rm680_i2c_init();
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gpmc_onenand_init(board_onenand_data);
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omap_hsmmc_init(mmc);
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}
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#ifdef CONFIG_OMAP_MUX
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static struct omap_board_mux board_mux[] __initdata = {
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{ .reg_offset = OMAP_MUX_TERMINATOR },
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};
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#endif
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static void __init rm680_init(void)
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{
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struct omap_sdrc_params *sdrc_params;
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omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
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omap_serial_init();
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sdrc_params = nokia_get_sdram_timings();
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omap_sdrc_init(sdrc_params, sdrc_params);
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usb_musb_init(NULL);
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rm680_peripherals_init();
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}
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MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
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.atag_offset = 0x100,
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.reserve = omap_reserve,
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.map_io = omap3_map_io,
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.init_early = omap3630_init_early,
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.init_irq = omap3_init_irq,
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.handle_irq = omap3_intc_handle_irq,
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.init_machine = rm680_init,
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.init_late = omap3630_init_late,
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.timer = &omap3_timer,
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.restart = omap_prcm_restart,
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MACHINE_END
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MACHINE_START(NOKIA_RM696, "Nokia RM-696 board")
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.atag_offset = 0x100,
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.reserve = omap_reserve,
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.map_io = omap3_map_io,
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.init_early = omap3630_init_early,
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.init_irq = omap3_init_irq,
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.handle_irq = omap3_intc_handle_irq,
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.init_machine = rm680_init,
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.init_late = omap3630_init_late,
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.timer = &omap3_timer,
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.restart = omap_prcm_restart,
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MACHINE_END
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