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 <grinberg@xxxxxxxxxxxxxx>
---
v2: - Rebase on top of fixes branch
- Elaborate on the problem in the commit message
arch/arm/mach-omap2/board-cm-t35.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index bd1bcac..7141cb6 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)
--
1.7.3.4
--
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