Set the VAUX2 regulator supply to 1.8V for the HSUSB host interface.
Gpio 2 of the TPS65950 has to be set to zero in order to enable the HSUBS2 clock.
Signed-off-by: Bryan DE FARIA <bdefaria@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-omap2/board-omap3evm.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index c452b3f..ce09e9e 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 == HSUSB2 Clock Enable */
+ if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+ gpio_request_one(gpio + 2, GPIOF_OUT_INIT_LOW, "EN_HSUSB2_CLK");
+
/* 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)
@@ -645,6 +668,7 @@ static void __init omap3_evm_init(void)
usb_nop_xceiv_register();
if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
+ omap3evm_twldata.vaux2 = &omap3evm_vaux2;
/* enable EHCI VBUS using GPIO22 */
omap_mux_init_gpio(OMAP3_EVM_EHCI_VBUS, OMAP_PIN_INPUT_PULLUP);
/* Select EHCI port on main board */
--
1.7.4.1
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
