#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
+#include <linux/input.h>
#include <linux/err.h>
#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/arch/mux.h>
#include <asm/arch/board.h>
#include <asm/arch/common.h>
+#include <asm/arch/keypad.h>
#include <asm/arch/gpmc.h>
-#include "prcm-regs.h"
+#include <asm/arch/mcspi.h>
+#include <asm/arch/twl4030-rtc.h>
#include <asm/io.h>
-
#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 */
{
},
};
+static struct platform_device sdp2430_lcd_device = {
+ .name = "sdp2430_lcd",
+ .id = -1,
+};
+
static struct platform_device sdp2430_smc91x_device = {
.name = "smc91x",
.id = -1,
.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)
.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_mmc_config sdp2430_mmc_config __initdata = {
+ .mmc [0] = {
+ .enabled = 1,
+ .wire4 = 1,
+ },
+};
+
+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},
+ {OMAP_TAG_MMC, &sdp2430_mmc_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;
+}
+
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();
+ sdp_mmc_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,
projects / linux-2.6-omap-h63xx.git / blobdiff