lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ARM: OMAP3: cm-t35: Add regulator for ads7846 touchscreen

Browse Source 
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@compulab.co.il>
[tony@atomide.com: updated subject]
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Igor Grinberg
2011-12-13 10:48:51 -08:00
committed by Tony Lindgren
parent 4390f5b2cb
commit b74f149cc9
1 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
arch/arm/mach-omap2/board-cm-t35.c
View File

@@ -343,6 +343,10 @@ static struct regulator_consumer_supply cm_t35_vdvi_supply[] = {
REGULATOR_SUPPLY("vdvi", "omapdss"), 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) */ /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data cm_t35_vmmc1 = { static struct regulator_init_data cm_t35_vmmc1 = {
.constraints = { .constraints = {
@@ -373,6 +377,19 @@ static struct regulator_init_data cm_t35_vsim = {
.consumer_supplies = cm_t35_vsim_supply, .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[] = { static uint32_t cm_t35_keymap[] = {
KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_LEFT), 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), 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, .gpio = &cm_t35_gpio_data,
.vmmc1 = &cm_t35_vmmc1, .vmmc1 = &cm_t35_vmmc1,
.vsim = &cm_t35_vsim, .vsim = &cm_t35_vsim,
.vio = &cm_t35_vio,
}; };
static void __init cm_t35_init_i2c(void) static void __init cm_t35_init_i2c(void)