diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-da830-evm.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-da830-evm.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index fe86afa7ea2..fb941eb1f4d 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -13,7 +13,9 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/console.h> +#include <linux/gpio.h> #include <linux/i2c.h> +#include <linux/i2c/pcf857x.h> #include <linux/i2c/at24.h> #include <asm/mach-types.h> @@ -38,6 +40,31 @@ static struct at24_platform_data da830_evm_i2c_eeprom_info = { .context = (void *)0x7f00, }; +static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio, + unsigned ngpio, void *context) +{ + gpio_request(gpio + 6, "MUX_MODE"); +#ifdef CONFIG_DA830_UI_LCD + gpio_direction_output(gpio + 6, 0); +#else /* Must be NAND or NOR */ + gpio_direction_output(gpio + 6, 1); +#endif + return 0; +} + +static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio, + unsigned ngpio, void *context) +{ + gpio_free(gpio + 6); + return 0; +} + +static struct pcf857x_platform_data da830_evm_ui_expander_info = { + .gpio_base = DAVINCI_N_GPIO, + .setup = da830_evm_ui_expander_setup, + .teardown = da830_evm_ui_expander_teardown, +}; + static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { { I2C_BOARD_INFO("24c256", 0x50), @@ -45,7 +72,11 @@ static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { }, { I2C_BOARD_INFO("tlv320aic3x", 0x18), - } + }, + { + I2C_BOARD_INFO("pcf8574", 0x3f), + .platform_data = &da830_evm_ui_expander_info, + }, }; static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = { @@ -186,6 +217,17 @@ static __init void da830_evm_init(void) da8xx_register_mcasp(1, &da830_evm_snd_data); da830_evm_init_mmc(); + +#ifdef CONFIG_DA830_UI_LCD + ret = da8xx_pinmux_setup(da830_lcdcntl_pins); + if (ret) + pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n", + ret); + + ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata); + if (ret) + pr_warning("da830_evm_init: lcd setup failed: %d\n", ret); +#endif } #ifdef CONFIG_SERIAL_8250_CONSOLE |