X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fboard-2430sdp.c;h=5e6801929bd88d45a809a242f8af17f949a8d3db;hb=1f761307b87f21217bdd1165d5a38cbc9b3aa914;hp=7e76fbf19b5d934dcfa76fc938f89eb157e6dd72;hpb=0003b0822a1836e250d5e9b8212f495481763caf;p=linux-2.6-omap-h63xx.git diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index 7e76fbf19b5..5e6801929bd 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -19,8 +19,11 @@ #include #include #include +#include #include #include +#include +#include #include #include @@ -32,15 +35,25 @@ #include #include #include +#include #include -#include "prcm-regs.h" +#include +#include #include - #define SDP2430_FLASH_CS 0 #define SDP2430_SMC91X_CS 5 +/* GPIO used for TSC2046 (touchscreen) + * + * Also note that the tsc2046 is the same silicon as the ads7846, so + * that driver is used for the touchscreen. */ +#define TS_GPIO 24 + +#define TWL4030_MSECURE_GPIO 118 +#define SECONDARY_LCD_GPIO 147 + static struct mtd_partition sdp2430_partitions[] = { /* bootloader (U-Boot, etc) in first sector */ { @@ -108,6 +121,11 @@ static struct resource sdp2430_smc91x_resources[] = { }, }; +static struct platform_device sdp2430_lcd_device = { + .name = "sdp2430_lcd", + .id = -1, +}; + static struct platform_device sdp2430_smc91x_device = { .name = "smc91x", .id = -1, @@ -115,9 +133,151 @@ static struct platform_device sdp2430_smc91x_device = { .resource = sdp2430_smc91x_resources, }; +/* + * Key mapping for 2430 SDP board + */ + +static int sdp2430_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 omap_kp_platform_data sdp2430_kp_data = { + .rows = 5, + .cols = 6, + .keymap = sdp2430_keymap, + .keymapsize = ARRAY_SIZE(sdp2430_keymap), + .rep = 1, +}; + +static struct platform_device sdp2430_kp_device = { + .name = "omap_twl4030keypad", + .id = -1, + .dev = { + .platform_data = &sdp2430_kp_data, + }, +}; + +static int twl4030_rtc_init(void) +{ + int ret = 0; + + ret = omap_request_gpio(TWL4030_MSECURE_GPIO); + if (ret < 0) { + printk(KERN_ERR "twl4030_rtc_init: can't reserve GPIO:%d !\n", + TWL4030_MSECURE_GPIO); + goto out; + } + /* + * TWL4030 will be in secure mode if msecure line from OMAP is low. + * Make msecure line high in order to change the TWL4030 RTC time + * and calender registers. + */ + omap_set_gpio_direction(TWL4030_MSECURE_GPIO, 0); /*dir out */ + omap_set_gpio_dataout(TWL4030_MSECURE_GPIO, 1); +out: + return ret; +} + +static void twl4030_rtc_exit(void) +{ + omap_free_gpio(TWL4030_MSECURE_GPIO); +} + +static struct twl4030rtc_platform_data sdp2430_twl4030rtc_data = { + .init = &twl4030_rtc_init, + .exit = &twl4030_rtc_exit, +}; + +static struct platform_device sdp2430_twl4030rtc_device = { + .name = "twl4030_rtc", + .id = -1, + .dev = { + .platform_data = &sdp2430_twl4030rtc_data, + }, +}; + static struct platform_device *sdp2430_devices[] __initdata = { &sdp2430_smc91x_device, &sdp2430_flash_device, + &sdp2430_kp_device, + &sdp2430_lcd_device, + &sdp2430_twl4030rtc_device, +}; + +static void ads7846_dev_init(void) +{ + if (omap_request_gpio(TS_GPIO) < 0) + printk(KERN_ERR "can't get ads746 pen down GPIO\n"); + + omap_set_gpio_direction(TS_GPIO, 1); + + omap_set_gpio_debounce(TS_GPIO, 1); + omap_set_gpio_debounce_time(TS_GPIO, 0xa); +} + +static int ads7846_get_pendown_state(void) +{ + return !omap_get_gpio_datain(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 = 0, /* 0: slave, 1: master */ +}; + +static struct omap_lcd_config sdp2430_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct spi_board_info sdp2430_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 = OMAP_GPIO_IRQ(TS_GPIO), + .platform_data = &tsc2046_config, + }, }; static inline void __init sdp2430_init_smc91x(void) @@ -189,23 +349,55 @@ static struct omap_uart_config sdp2430_uart_config __initdata = { .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), }; -static struct omap_board_config_kernel sdp2430_config[] = { +static +struct omap_serial_console_config sdp2430_serial_console_config __initdata = { + .console_uart = 1, + .console_speed = 115200, +}; + +static struct omap_board_config_kernel sdp2430_config[] __initdata = { {OMAP_TAG_UART, &sdp2430_uart_config}, + {OMAP_TAG_LCD, &sdp2430_lcd_config}, + {OMAP_TAG_SERIAL_CONSOLE, &sdp2430_serial_console_config}, }; +static int __init omap2430_i2c_init(void) +{ + omap_register_i2c_bus(1, 400, NULL, 0); + omap_register_i2c_bus(2, 2600, NULL, 0); + return 0; +} + +extern void __init sdp2430_flash_init(void); +extern void __init sdp2430_usb_init(void); + static void __init omap_2430sdp_init(void) { platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices)); omap_board_config = sdp2430_config; omap_board_config_size = ARRAY_SIZE(sdp2430_config); omap_serial_init(); + + sdp2430_flash_init(); + sdp2430_usb_init(); + + spi_register_board_info(sdp2430_spi_board_info, + ARRAY_SIZE(sdp2430_spi_board_info)); + ads7846_dev_init(); + + /* turn off secondary LCD backlight */ + omap_set_gpio_direction(SECONDARY_LCD_GPIO, 0); + omap_set_gpio_dataout(SECONDARY_LCD_GPIO, 0); } static void __init omap_2430sdp_map_io(void) { + omap2_set_globals_243x(); omap2_map_common_io(); } +arch_initcall(omap2430_i2c_init); + MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") /* Maintainer: Syed Khasim - Texas Instruments Inc */ .phys_io = 0x48000000,