diff options
| author | Steve Lin <stlin@nvidia.com> | 2011-11-03 15:17:43 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:52:41 -0800 |
| commit | 924df89d1f822fcf05e28b0b81d039d8924cb40c (patch) | |
| tree | 87959c4d83b4e522b3c65b0811e8bcf24f5092a2 /arch/arm/mach-tegra/board-enterprise-baseband.c | |
| parent | c610df9ad66a2c9d10593c4c0fdbaada3a2542be (diff) | |
arm: tegra: usb: enable ULPI CLK after STP is asserted in LP0 resume
1) Enabling ULPI CLK after MDM2AP_ACK is asserted
2) Driving linestate by GPIO before removing the ULPI data tristate
Bug 889484
Reviewed-on: http://git-master/r/60104
(cherry picked from commit 795b9ddcedf3f6465c6a352005c8d8615a36e739)
Change-Id: Idde92fec46cdb26bc336ffd2d12a2cfb65b3f2e9
Reviewed-on: http://git-master/r/66995
Reviewed-by: Steve Lin <stlin@nvidia.com>
Tested-by: Steve Lin <stlin@nvidia.com>
Rebase-Id: Rac02c10771adfb5927b1bc300e2de7f6cff4d34d
Diffstat (limited to 'arch/arm/mach-tegra/board-enterprise-baseband.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-baseband.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-baseband.c b/arch/arm/mach-tegra/board-enterprise-baseband.c index 7fecc6203b7e..0084c06f6a8c 100644 --- a/arch/arm/mach-tegra/board-enterprise-baseband.c +++ b/arch/arm/mach-tegra/board-enterprise-baseband.c @@ -55,6 +55,9 @@ static struct gpio modem_gpios[] = { {MDM2AP_ACK, GPIOF_IN, "MDM2AP_ACK"}, {AP2MDM_ACK2, GPIOF_OUT_INIT_HIGH, "AP2MDM ACK2"}, {AP2MDM_ACK, GPIOF_OUT_INIT_LOW, "AP2MDM ACK"}, + {TEGRA_GPIO_PY3, GPIOF_IN, "ULPI_STP"}, + {TEGRA_GPIO_PO1, GPIOF_OUT_INIT_LOW, "ULPI_D0"}, + {TEGRA_GPIO_PO2, GPIOF_OUT_INIT_LOW, "ULPI_D1"}, }; static int baseband_phy_on(void); @@ -171,6 +174,10 @@ static int baseband_init(void) tegra_gpio_enable(AP2MDM_ACK2); tegra_gpio_enable(BB_RST_OUT); tegra_gpio_enable(AP2MDM_ACK); + tegra_gpio_enable(MDM2AP_ACK); + tegra_gpio_enable(TEGRA_GPIO_PY3); + tegra_gpio_enable(TEGRA_GPIO_PO1); + tegra_gpio_enable(TEGRA_GPIO_PO2); /* export GPIO for user space access through sysfs */ gpio_export(MODEM_PWR_ON, false); |