From c5235d8662269c2ba55669c404510e4cd1b2f854 Mon Sep 17 00:00:00 2001 From: Amit Kamath Date: Fri, 24 Dec 2010 10:25:21 +0530 Subject: [ARM] tegra: ventana: Turn off VDD_1V5 Should save ~12mW at init. bug 773330 Original-Change-Id: Icd2bec9ff8dae1d1c13e9ebb7af589332c71a624 Reviewed-on: http://git-master/r/14216 Reviewed-by: Bharat Nihalani Tested-by: Bharat Nihalani Rebase-Id: Rc6ba869bc92daa622f4911266a2915b93ae9e305 --- arch/arm/mach-tegra/board-ventana-power.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'arch/arm/mach-tegra/board-ventana-power.c') diff --git a/arch/arm/mach-tegra/board-ventana-power.c b/arch/arm/mach-tegra/board-ventana-power.c index e1656df21abd..e903e089dfd1 100644 --- a/arch/arm/mach-tegra/board-ventana-power.c +++ b/arch/arm/mach-tegra/board-ventana-power.c @@ -33,6 +33,7 @@ #include "power.h" #include "wakeups-t2.h" #include "board.h" +#include "board-ventana.h" #define PMC_CTRL 0x0 #define PMC_CTRL_INTR_LOW (1 << 17) @@ -209,5 +210,29 @@ int __init ventana_regulator_init(void) writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL); i2c_register_board_info(4, ventana_regulators, 1); tegra_init_suspend(&ventana_suspend_data); + + return 0; +} + +static int __init ventana_pcie_init() +{ + int ret; + + ret = gpio_request(TPS6586X_GPIO_BASE, "pcie_vdd"); + if (ret < 0) + goto fail; + + ret = gpio_direction_output(TPS6586X_GPIO_BASE, 1); + if (ret < 0) + goto fail; + + gpio_export(TPS6586X_GPIO_BASE, false); return 0; + +fail: + pr_err("%s: gpio_request failed #%d\n", __func__, TPS6586X_GPIO_BASE); + gpio_free(TPS6586X_GPIO_BASE); + return ret; } + +late_initcall(ventana_pcie_init); -- cgit v1.2.3