[PATCH v4] OMAP3EVM: ehci: Fix EHCI support
From: Bryan DE FARIA <hidden>
Date: 2011-08-25 09:22:49
Also in:
linux-omap
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
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 <redacted> --- 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