Set the VAUX2 regulator supply to 1.8V for the HSUSB host interface.
Tps65950 GPIO2 has to be set to zero in order to enable the EHCI select line.
Signed-off-by: Bryan DE FARIA <bdefaria@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-omap2/board-omap3evm.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index c452b3f..d9e0f10 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -377,6 +377,10 @@ static int omap3evm_twl_gpio_setup(struct device *dev,
if (r)
printk(KERN_ERR "failed to get/set lcd_bkl gpio\n");
+ /* gpio + 2 == EHCI, camera and audio lines on motherboard Enable*/
+ if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+ gpio_request_one(gpio + 2, GPIOF_OUT_INIT_LOW, "EN_MB_LINES");
+
/* gpio + 7 == DVI Enable */
gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
@@ -450,6 +454,25 @@ static struct regulator_init_data omap3evm_vio = {
.consumer_supplies = omap3evm_vio_supply,
};
+/* VAUX2 for EHCI */
+static struct regulator_consumer_supply omap3evm_vaux2_supplies[] = {
+ REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"),
+};
+
+static struct regulator_init_data omap3evm_vaux2 = {
+ .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 = ARRAY_SIZE(omap3evm_vaux2_supplies),
+ .consumer_supplies = omap3evm_vaux2_supplies,
+};
+
#ifdef CONFIG_WL12XX_PLATFORM_DATA
#define OMAP3EVM_WLAN_PMENA_GPIO (150)
@@ -510,6 +533,8 @@ static int __init omap3_evm_i2c_init(void)
omap3evm_twldata.vdac->constraints.apply_uV = true;
omap3evm_twldata.vpll2->constraints.apply_uV = true;
+ if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+ omap3evm_twldata.vaux2 = &omap3evm_vaux2;
omap3_pmic_init("twl4030", &omap3evm_twldata);
omap_register_i2c_bus(2, 400, NULL, 0);
--
1.7.4.1
--
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