#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
+#include <linux/input.h>
#include <linux/workqueue.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/mach/map.h>
#include <asm/mach/flash.h>
+#include <asm/arch/twl4030.h>
+#include <asm/arch/mcspi.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/board.h>
#include <asm/arch/common.h>
+#include <asm/arch/keypad.h>
#include <asm/arch/dma.h>
#include <asm/arch/gpmc.h>
#define SDP3430_FLASH_CS 0
#define SDP3430_SMC91X_CS 3
+#define ENABLE_VAUX3_DEDICATED 0x03
+#define ENABLE_VAUX3_DEV_GRP 0x20
+
static struct mtd_partition sdp3430_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.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 omap_kp_platform_data sdp3430_kp_data = {
+ .rows = 5,
+ .cols = 6,
+ .keymap = sdp3430_keymap,
+ .keymapsize = ARRAY_SIZE(sdp3430_keymap),
+ .rep = 1,
+};
+
+static struct platform_device sdp3430_kp_device = {
+ .name = "omap_twl4030keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &sdp3430_kp_data,
+ },
+};
+
+/**
+ * @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 (omap_request_gpio(TS_GPIO) < 0) {
+ printk(KERN_ERR "can't get ads746 pen down GPIO\n");
+ return;
+ }
+
+ 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);
+}
+
+/*
+ * This enable(1)/disable(0) the voltage for TS: uses twl4030 calls
+ */
+static int ads7846_vaux_control(int vaux_cntrl)
+{
+ int ret = 0;
+
+#ifdef CONFIG_TWL4030_CORE
+ /* check for return value of ldo_use: if success it returns 0 */
+ if (vaux_cntrl == VAUX_ENABLE) {
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VAUX3_DEDICATED, TWL4030_VAUX3_DEDICATED))
+ return -EIO;
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VAUX3_DEV_GRP, TWL4030_VAUX3_DEV_GRP))
+ return -EIO;
+ } else if (vaux_cntrl == VAUX_DISABLE) {
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ 0x00, TWL4030_VAUX3_DEDICATED))
+ return -EIO;
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ 0x00, TWL4030_VAUX3_DEV_GRP))
+ return -EIO;
+ }
+#else
+ ret = -EIO;
+#endif
+ return ret;
+}
+
+static struct ads7846_platform_data tsc2046_config __initdata = {
+ .get_pendown_state = ads7846_get_pendown_state,
+ .keep_vref_on = 1,
+ .vaux_control = ads7846_vaux_control,
+};
+
+
+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 = OMAP_GPIO_IRQ(TS_GPIO),
+ .platform_data = &tsc2046_config,
+ },
+};
+
+static struct platform_device sdp3430_lcd_device = {
+ .name = "sdp2430_lcd",
+ .id = -1,
+};
+
static struct platform_device *sdp3430_devices[] __initdata = {
&sdp3430_smc91x_device,
&sdp3430_flash_device,
+ &sdp3430_kp_device,
+ &sdp3430_lcd_device,
};
static inline void __init sdp3430_init_smc91x(void)
{
int eth_cs;
unsigned long cs_mem_base;
- unsigned int rate;
- struct clk *l3ck;
-
- eth_cs = SDP3430_SMC91X_CS;
- l3ck = clk_get(NULL, "core_l3_ck");
- if (IS_ERR(l3ck))
- rate = 100000000;
- else
- rate = clk_get_rate(l3ck);
+ 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");
.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[] = {
{ OMAP_TAG_UART, &sdp3430_uart_config },
+ {OMAP_TAG_LCD, &sdp3430_lcd_config},
};
+static int __init omap3430_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, NULL, 0);
+ omap_register_i2c_bus(2, 400, NULL, 0);
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
static void __init omap_3430sdp_init(void)
{
platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
omap_board_config = sdp3430_config;
omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+ spi_register_board_info(sdp3430_spi_board_info,
+ ARRAY_SIZE(sdp3430_spi_board_info));
+ ads7846_dev_init();
omap_serial_init();
}
static void __init omap_3430sdp_map_io(void)
{
+ omap2_set_globals_343x();
omap2_map_common_io();
}
+arch_initcall(omap3430_i2c_init);
-MACHINE_START(OMAP_SDP3430, "OMAP3430 sdp3430 board")
+MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
/* Maintainer: Syed Khasim - Texas Instruments Inc */
.phys_io = 0x48000000,
.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
projects / linux-2.6-omap-h63xx.git / blobdiff