diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-3430sdp.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-3430sdp.c | 542 |
1 files changed, 542 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c new file mode 100644 index 000000000000..ed9274972122 --- /dev/null +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -0,0 +1,542 @@ +/* + * linux/arch/arm/mach-omap2/board-3430sdp.c + * + * Copyright (C) 2007 Texas Instruments + * + * Modified from mach-omap2/board-generic.c + * + * Initial code: Syed Mohammed Khasim + * + * 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/init.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/i2c/twl4030.h> +#include <linux/regulator/machine.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/mcspi.h> +#include <mach/mux.h> +#include <mach/board.h> +#include <mach/usb.h> +#include <mach/common.h> +#include <mach/dma.h> +#include <mach/gpmc.h> + +#include <mach/control.h> +#include <mach/keypad.h> + +#include "mmc-twl4030.h" + +#define CONFIG_DISABLE_HFCLK 1 + +#define SDP3430_ETHR_GPIO_IRQ_SDPV1 29 +#define SDP3430_ETHR_GPIO_IRQ_SDPV2 6 +#define SDP3430_SMC91X_CS 3 + +#define SDP3430_TS_GPIO_IRQ_SDPV1 3 +#define SDP3430_TS_GPIO_IRQ_SDPV2 2 + +#define ENABLE_VAUX3_DEDICATED 0x03 +#define ENABLE_VAUX3_DEV_GRP 0x20 + +#define TWL4030_MSECURE_GPIO 22 + +static struct resource sdp3430_smc91x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 0, + .end = 0, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct platform_device sdp3430_smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(sdp3430_smc91x_resources), + .resource = sdp3430_smc91x_resources, +}; + +static int sdp3430_keymap[] = { + KEY(0, 0, KEY_LEFT), + KEY(0, 1, KEY_RIGHT), + KEY(0, 2, KEY_A), + KEY(0, 3, KEY_B), + KEY(0, 4, KEY_C), + KEY(1, 0, KEY_DOWN), + KEY(1, 1, KEY_UP), + KEY(1, 2, KEY_E), + KEY(1, 3, KEY_F), + KEY(1, 4, KEY_G), + KEY(2, 0, KEY_ENTER), + KEY(2, 1, KEY_I), + KEY(2, 2, KEY_J), + KEY(2, 3, KEY_K), + KEY(2, 4, KEY_3), + KEY(3, 0, KEY_M), + KEY(3, 1, KEY_N), + KEY(3, 2, KEY_O), + KEY(3, 3, KEY_P), + KEY(3, 4, KEY_Q), + KEY(4, 0, KEY_R), + KEY(4, 1, KEY_4), + KEY(4, 2, KEY_T), + KEY(4, 3, KEY_U), + KEY(4, 4, KEY_D), + KEY(5, 0, KEY_V), + KEY(5, 1, KEY_W), + KEY(5, 2, KEY_L), + KEY(5, 3, KEY_S), + KEY(5, 4, KEY_H), + 0 +}; + +static struct twl4030_keypad_data sdp3430_kp_data = { + .rows = 5, + .cols = 6, + .keymap = sdp3430_keymap, + .keymapsize = ARRAY_SIZE(sdp3430_keymap), + .rep = 1, +}; + +static int ts_gpio; /* Needed for ads7846_get_pendown_state */ + +/** + * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq + * + * @return - void. If request gpio fails then Flag KERN_ERR. + */ +static void ads7846_dev_init(void) +{ + if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) { + printk(KERN_ERR "can't get ads746 pen down GPIO\n"); + return; + } + + gpio_direction_input(ts_gpio); + + omap_set_gpio_debounce(ts_gpio, 1); + omap_set_gpio_debounce_time(ts_gpio, 0xa); +} + +static int ads7846_get_pendown_state(void) +{ + return !gpio_get_value(ts_gpio); +} + +static struct ads7846_platform_data tsc2046_config __initdata = { + .get_pendown_state = ads7846_get_pendown_state, + .keep_vref_on = 1, +}; + + +static struct omap2_mcspi_device_config tsc2046_mcspi_config = { + .turbo_mode = 0, + .single_channel = 1, /* 0: slave, 1: master */ +}; + +static struct spi_board_info sdp3430_spi_board_info[] __initdata = { + [0] = { + /* + * TSC2046 operates at a max freqency of 2MHz, so + * operate slightly below at 1.5MHz + */ + .modalias = "ads7846", + .bus_num = 1, + .chip_select = 0, + .max_speed_hz = 1500000, + .controller_data = &tsc2046_mcspi_config, + .irq = 0, + .platform_data = &tsc2046_config, + }, +}; + +static struct platform_device sdp3430_lcd_device = { + .name = "sdp2430_lcd", + .id = -1, +}; + +static struct regulator_consumer_supply sdp3430_vdac_supply = { + .supply = "vdac", + .dev = &sdp3430_lcd_device.dev, +}; + +static struct regulator_consumer_supply sdp3430_vdvi_supply = { + .supply = "vdvi", + .dev = &sdp3430_lcd_device.dev, +}; + +static struct platform_device *sdp3430_devices[] __initdata = { + &sdp3430_smc91x_device, + &sdp3430_lcd_device, +}; + +static inline void __init sdp3430_init_smc91x(void) +{ + int eth_cs; + unsigned long cs_mem_base; + int eth_gpio = 0; + + eth_cs = SDP3430_SMC91X_CS; + + if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); + return; + } + + sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300; + sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f; + udelay(100); + + if (omap_rev() > OMAP3430_REV_ES1_0) + eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2; + else + eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1; + + sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio); + + if (gpio_request(eth_gpio, "SMC91x irq") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", + eth_gpio); + return; + } + gpio_direction_input(eth_gpio); +} + +static void __init omap_3430sdp_init_irq(void) +{ + omap2_init_common_hw(NULL); + omap_init_irq(); + omap_gpio_init(); + sdp3430_init_smc91x(); +} + +static struct omap_uart_config sdp3430_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static struct omap_lcd_config sdp3430_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct omap_board_config_kernel sdp3430_config[] __initdata = { + { OMAP_TAG_UART, &sdp3430_uart_config }, + { OMAP_TAG_LCD, &sdp3430_lcd_config }, +}; + +static int sdp3430_batt_table[] = { +/* 0 C*/ +30800, 29500, 28300, 27100, +26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900, +17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100, +11600, 11200, 10800, 10400, 10000, 9630, 9280, 8950, 8620, 8310, +8020, 7730, 7460, 7200, 6950, 6710, 6470, 6250, 6040, 5830, +5640, 5450, 5260, 5090, 4920, 4760, 4600, 4450, 4310, 4170, +4040, 3910, 3790, 3670, 3550 +}; + +static struct twl4030_bci_platform_data sdp3430_bci_data = { + .battery_tmp_tbl = sdp3430_batt_table, + .tblsize = ARRAY_SIZE(sdp3430_batt_table), +}; + +static struct twl4030_hsmmc_info mmc[] = { + { + .mmc = 1, + /* 8 bits (default) requires S6.3 == ON, + * so the SIM card isn't used; else 4 bits. + */ + .wires = 8, + .gpio_wp = 4, + }, + { + .mmc = 2, + .wires = 8, + .gpio_wp = 7, + }, + {} /* Terminator */ +}; + +static struct regulator_consumer_supply sdp3430_vmmc1_supply = { + .supply = "vmmc", +}; + +static struct regulator_consumer_supply sdp3430_vsim_supply = { + .supply = "vmmc_aux", +}; + +static struct regulator_consumer_supply sdp3430_vmmc2_supply = { + .supply = "vmmc", +}; + +static int sdp3430_twl_gpio_setup(struct device *dev, + unsigned gpio, unsigned ngpio) +{ + /* gpio + 0 is "mmc0_cd" (input/IRQ), + * gpio + 1 is "mmc1_cd" (input/IRQ) + */ + mmc[0].gpio_cd = gpio + 0; + mmc[1].gpio_cd = gpio + 1; + twl4030_mmc_init(mmc); + + /* link regulators to MMC adapters ... we "know" the + * regulators will be set up only *after* we return. + */ + sdp3430_vmmc1_supply.dev = mmc[0].dev; + sdp3430_vsim_supply.dev = mmc[0].dev; + sdp3430_vmmc2_supply.dev = mmc[1].dev; + + /* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */ + gpio_request(gpio + 7, "sub_lcd_en_bkl"); + gpio_direction_output(gpio + 7, 0); + + /* gpio + 15 is "sub_lcd_nRST" (output) */ + gpio_request(gpio + 15, "sub_lcd_nRST"); + gpio_direction_output(gpio + 15, 0); + + return 0; +} + +static struct twl4030_gpio_platform_data sdp3430_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, + .pulldowns = BIT(2) | BIT(6) | BIT(8) | BIT(13) + | BIT(16) | BIT(17), + .setup = sdp3430_twl_gpio_setup, +}; + +static struct twl4030_usb_data sdp3430_usb_data = { + .usb_mode = T2_USB_MODE_ULPI, +}; + +static struct twl4030_madc_platform_data sdp3430_madc_data = { + .irq_line = 1, +}; + +/* + * Apply all the fixed voltages since most versions of U-Boot + * don't bother with that initialization. + */ + +/* VAUX1 for mainboard (irda and sub-lcd) */ +static struct regulator_init_data sdp3430_vaux1 = { + .constraints = { + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +/* VAUX2 for camera module */ +static struct regulator_init_data sdp3430_vaux2 = { + .constraints = { + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +/* VAUX3 for LCD board */ +static struct regulator_init_data sdp3430_vaux3 = { + .constraints = { + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +/* VAUX4 for OMAP VDD_CSI2 (camera) */ +static struct regulator_init_data sdp3430_vaux4 = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ +static struct regulator_init_data sdp3430_vmmc1 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 3150000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &sdp3430_vmmc1_supply, +}; + +/* VMMC2 for MMC2 card */ +static struct regulator_init_data sdp3430_vmmc2 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 1850000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &sdp3430_vmmc2_supply, +}; + +/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */ +static struct regulator_init_data sdp3430_vsim = { + .constraints = { + .min_uV = 1800000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &sdp3430_vsim_supply, +}; + +/* VDAC for DSS driving S-Video */ +static struct regulator_init_data sdp3430_vdac = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &sdp3430_vdac_supply, +}; + +/* VPLL2 for digital video outputs */ +static struct regulator_init_data sdp3430_vpll2 = { + .constraints = { + .name = "VDVI", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &sdp3430_vdvi_supply, +}; + +static struct twl4030_platform_data sdp3430_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .bci = &sdp3430_bci_data, + .gpio = &sdp3430_gpio_data, + .madc = &sdp3430_madc_data, + .keypad = &sdp3430_kp_data, + .usb = &sdp3430_usb_data, + + .vaux1 = &sdp3430_vaux1, + .vaux2 = &sdp3430_vaux2, + .vaux3 = &sdp3430_vaux3, + .vaux4 = &sdp3430_vaux4, + .vmmc1 = &sdp3430_vmmc1, + .vmmc2 = &sdp3430_vmmc2, + .vsim = &sdp3430_vsim, + .vdac = &sdp3430_vdac, + .vpll2 = &sdp3430_vpll2, +}; + +static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &sdp3430_twldata, + }, +}; + +static int __init omap3430_i2c_init(void) +{ + /* i2c1 for PMIC only */ + omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo, + ARRAY_SIZE(sdp3430_i2c_boardinfo)); + /* i2c2 on camera connector (for sensor control) and optional isp1301 */ + omap_register_i2c_bus(2, 400, NULL, 0); + /* i2c3 on display connector (for DVI, tfp410) */ + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; +} + +static void __init omap_3430sdp_init(void) +{ + omap3430_i2c_init(); + platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices)); + omap_board_config = sdp3430_config; + omap_board_config_size = ARRAY_SIZE(sdp3430_config); + if (omap_rev() > OMAP3430_REV_ES1_0) + ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2; + else + ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1; + sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio); + spi_register_board_info(sdp3430_spi_board_info, + ARRAY_SIZE(sdp3430_spi_board_info)); + ads7846_dev_init(); + omap_serial_init(); + usb_musb_init(); +} + +static void __init omap_3430sdp_map_io(void) +{ + omap2_set_globals_343x(); + omap2_map_common_io(); +} + +MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board") + /* Maintainer: Syed Khasim - Texas Instruments Inc */ + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap_3430sdp_map_io, + .init_irq = omap_3430sdp_init_irq, + .init_machine = omap_3430sdp_init, + .timer = &omap_timer, +MACHINE_END |