msm: board-9615: add gpio-regulator wrapper around GPIO 18
Add a gpio-regulator device to control GPIO 18. This GPIO is
used as the enable signal for the external 2.95 V regulator
used for the SD card on 9615 boards.
Change-Id: Ia3893fbdc49a7c0a7ac0d4ea1799274458b1d591
Signed-off-by: David Collins <collinsd@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-9615-regulator.c b/arch/arm/mach-msm/board-9615-regulator.c
index 855d956..6568bef 100644
--- a/arch/arm/mach-msm/board-9615-regulator.c
+++ b/arch/arm/mach-msm/board-9615-regulator.c
@@ -12,6 +12,7 @@
*/
#include <linux/regulator/pm8018-regulator.h>
+#include <linux/regulator/gpio-regulator.h>
#include <mach/rpm-regulator.h>
#include "board-9615.h"
@@ -83,6 +84,9 @@
VREG_CONSUMERS(LVS1) = {
REGULATOR_SUPPLY("8018_lvs1", NULL),
};
+VREG_CONSUMERS(EXT_2P95V) = {
+ REGULATOR_SUPPLY("ext_2p95v", NULL),
+};
#define PM8018_VREG_INIT(_id, _min_uV, _max_uV, _modes, _ops, _apply_uV, \
_pull_down, _always_on, _supply_regulator, \
@@ -238,6 +242,25 @@
.pin_ctrl = _pin_ctrl, \
}
+#define GPIO_VREG_INIT(_id, _reg_name, _gpio_label, _gpio) \
+ [GPIO_VREG_ID_##_id] = { \
+ .init_data = { \
+ .constraints = { \
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS, \
+ }, \
+ .num_consumer_supplies = \
+ ARRAY_SIZE(vreg_consumers_##_id), \
+ .consumer_supplies = vreg_consumers_##_id, \
+ }, \
+ .regulator_name = _reg_name, \
+ .gpio_label = _gpio_label, \
+ .gpio = _gpio, \
+ }
+
+/* GPIO regulator constraints */
+struct gpio_regulator_platform_data msm_gpio_regulator_pdata[] = {
+ GPIO_VREG_INIT(EXT_2P95V, "ext_2p95v", "ext_2p95_en", 18),
+};
/* PM8018 regulator constraints */
struct pm8018_regulator_platform_data