diff options
| author | Daniel Solomon <daniels@nvidia.com> | 2011-11-09 15:31:26 -0800 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-15 11:49:55 +0530 |
| commit | 07b1a0d342f49215f5e6ce72fe6142b0bc026ff9 (patch) | |
| tree | 1a0ac326d166456cba0be24c3f7ef9d1d38723fd /arch/arm/mach-tegra/board-enterprise-power.c | |
| parent | e54c2f08eb44bf8aabd26445788c772e7178bf30 (diff) | |
arm: tegra: enterprise: Power down CEC and CLK_32K_OUT/BLINK pads
- Disabling HDMI CEC, which is generally not supported by T30.
- Clear APBDEV_PMC_DPD_PADS_ORIDE_0_BLINK at boot time
- Pull down CLK_32K_OUT/BLINK
Bug 898597
Cherry-picked From: http://git-master/r/#change,63408
Signed-off-by: Daniel Solomon <daniels@nvidia.com>
Change-Id: Ic6e6a5ddf16adf9e8f5a847a31ce7c902e3df9bc
Reviewed-on: http://git-master/r/68558
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-enterprise-power.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-power.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-power.c b/arch/arm/mach-tegra/board-enterprise-power.c index 8a7977309375..470a8b13e05a 100644 --- a/arch/arm/mach-tegra/board-enterprise-power.c +++ b/arch/arm/mach-tegra/board-enterprise-power.c @@ -44,6 +44,9 @@ #define PMC_CTRL 0x0 #define PMC_CTRL_INTR_LOW (1 << 17) +#define PMC_DPD_PADS_ORIDE 0x01c +#define PMC_DPD_PADS_ORIDE_BLINK (1 << 20) + /************************ TPS80031 based regulator ****************/ static struct regulator_consumer_supply tps80031_vio_supply[] = { REGULATOR_SUPPLY("vio_1v8", NULL), @@ -492,6 +495,7 @@ int __init enterprise_regulator_init(void) { void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); u32 pmc_ctrl; + u32 pmc_dpd_pads; /* configure the power management controller to trigger PMU * interrupts when low */ @@ -499,6 +503,9 @@ int __init enterprise_regulator_init(void) pmc_ctrl = readl(pmc + PMC_CTRL); writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL); + pmc_dpd_pads = readl(pmc + PMC_DPD_PADS_ORIDE); + writel(pmc_dpd_pads & ~PMC_DPD_PADS_ORIDE_BLINK , pmc + PMC_DPD_PADS_ORIDE); + /* Disable battery charging if power adapter is connected. */ if (get_power_supply_type() == POWER_SUPPLY_TYPE_MAINS) { bcharger_pdata.num_consumer_supplies = 0; |