OMAP3EVM: Add vio regulator supply required for ads7846 TSC driver
Add vio regulator supply, needed for ads7846 touchscreen controller
driver.
Tested on OMAP3 (ES3.1 Si) RevG version of EVM.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 80c9f8a..bbdf3ad 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -583,6 +583,25 @@
.consumer_supplies = &omap3_evm_vpll2_supply,
};
+/* ads7846 on SPI */
+static struct regulator_consumer_supply omap3evm_vio_supply =
+ REGULATOR_SUPPLY("vcc", "spi1.0");
+
+/* VIO for ads7846 */
+static struct regulator_init_data omap3evm_vio = {
+ .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 = &omap3evm_vio_supply,
+};
+
#ifdef CONFIG_WL12XX_PLATFORM_DATA
#define OMAP3EVM_WLAN_PMENA_GPIO (150)
@@ -639,6 +658,7 @@
.codec = &omap3evm_codec_data,
.vdac = &omap3_evm_vdac,
.vpll2 = &omap3_evm_vpll2,
+ .vio = &omap3evm_vio,
};
static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {