From b74f149cc9f58583ec22ba5180d2b5d00920bfbe Mon Sep 17 00:00:00 2001 From: Igor Grinberg Date: Tue, 13 Dec 2011 10:48:51 -0800 Subject: [PATCH] ARM: OMAP3: cm-t35: Add regulator for ads7846 touchscreen ads7846 driver fails to find the regulator supply and as a result the touchscreen is not working. Fix this by adding a regulator supply for the ads7846 driver. Signed-off-by: Igor Grinberg [tony@atomide.com: updated subject] Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-cm-t35.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 510b6a2ff0fa..a4dbbe7adb73 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -343,6 +343,10 @@ static struct regulator_consumer_supply cm_t35_vdvi_supply[] = { REGULATOR_SUPPLY("vdvi", "omapdss"), }; +static struct regulator_consumer_supply cm_t35_vio_supplies[] = { + REGULATOR_SUPPLY("vcc", "spi1.0"), +}; + /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ static struct regulator_init_data cm_t35_vmmc1 = { .constraints = { @@ -373,6 +377,19 @@ static struct regulator_init_data cm_t35_vsim = { .consumer_supplies = cm_t35_vsim_supply, }; +static struct regulator_init_data cm_t35_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, + }, + .num_consumer_supplies = ARRAY_SIZE(cm_t35_vio_supplies), + .consumer_supplies = cm_t35_vio_supplies, +}; + static uint32_t cm_t35_keymap[] = { KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_LEFT), KEY(1, 0, KEY_UP), KEY(1, 1, KEY_ENTER), KEY(1, 2, KEY_DOWN), @@ -456,6 +473,7 @@ static struct twl4030_platform_data cm_t35_twldata = { .gpio = &cm_t35_gpio_data, .vmmc1 = &cm_t35_vmmc1, .vsim = &cm_t35_vsim, + .vio = &cm_t35_vio, }; static void __init cm_t35_init_i2c(void)