diff options
| author | Venkat Moganty <vmoganty@nvidia.com> | 2010-04-28 12:29:02 +0530 |
|---|---|---|
| committer | Yu-Huan Hsu <yhsu@nvidia.com> | 2010-05-02 18:02:49 -0700 |
| commit | fd0894b82c9ac8bc051f3291849370eabc193ca8 (patch) | |
| tree | b1743f730a744f33575f646e9ae2d8b8900d67b2 /arch/arm/mach-tegra | |
| parent | 1b8406f6f9556f8d205ebf01035350e587c11764 (diff) | |
tegra pmu: Add USB-VBUS detection through pmu.
Added functionality to detect the VBUS and turn on/off the USB power rail.
Bug 667912: AVDD_USB_Power is consuming 3.82mW of power in OSIdle and ULP
audio playback case.
Change-Id: Ia64e5a04eff16c1ebec2afe1c7bc1e8f72f9da30
Reviewed-on: http://git-master/r/1224
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Tested-by: Dara Ramesh <dramesh@nvidia.com>
Reviewed-by: Narendra Damahe <ndamahe@nvidia.com>
Tested-by: Narendra Damahe <ndamahe@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra')
| -rwxr-xr-x[-rw-r--r--] | arch/arm/mach-tegra/nvrm/core/common/nvrm_pmu.c | 3 | ||||
| -rwxr-xr-x[-rw-r--r--] | arch/arm/mach-tegra/odm_kit/adaptations/pmu/max8907b/max8907b_interrupt.c | 17 |
2 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/nvrm/core/common/nvrm_pmu.c b/arch/arm/mach-tegra/nvrm/core/common/nvrm_pmu.c index f22650ce9b0c..d00fc4b1083b 100644..100755 --- a/arch/arm/mach-tegra/nvrm/core/common/nvrm_pmu.c +++ b/arch/arm/mach-tegra/nvrm/core/common/nvrm_pmu.c @@ -214,8 +214,7 @@ void NvRmPrivPmuInterruptMask(NvRmDeviceHandle hRmDevice, NvBool mask) s_Pmu.IntrMasked = mask; NvOsMutexUnlock(s_Pmu.hMutex); - if (!mask) - NvRmInterruptDone(s_Pmu.hInterrupt); + NvOsInterruptMask(s_Pmu.hInterrupt, mask); } } diff --git a/arch/arm/mach-tegra/odm_kit/adaptations/pmu/max8907b/max8907b_interrupt.c b/arch/arm/mach-tegra/odm_kit/adaptations/pmu/max8907b/max8907b_interrupt.c index f84bb14a4a88..38110f83c5a0 100644..100755 --- a/arch/arm/mach-tegra/odm_kit/adaptations/pmu/max8907b/max8907b_interrupt.c +++ b/arch/arm/mach-tegra/odm_kit/adaptations/pmu/max8907b/max8907b_interrupt.c @@ -35,6 +35,7 @@ #include "max8907b_i2c.h" #include "max8907b_reg.h" #include "max8907b_batterycharger.h" +#include "nvodm_services.h" NvBool Max8907bSetupInterrupt( @@ -106,6 +107,22 @@ Max8907bInterruptHandler_int( return; } + if (data) + { + // VBUS connect interrupt + if (data & + (MAX8907B_CHG_IRQ1_VCHG_R_MASK << MAX8907B_CHG_IRQ1_VCHG_R_SHIFT)) + { + NvOdmEnableOtgCircuitry(NV_TRUE); + } + // VBUS dis-connect interrupt + else if (data & + (MAX8907B_CHG_IRQ1_VCHG_F_MASK << MAX8907B_CHG_IRQ1_VCHG_F_SHIFT)) + { + NvOdmEnableOtgCircuitry(NV_FALSE); + } + } + // CHG_IRQ2 if (!Max8907bI2cRead8(hDevice, MAX8907B_CHG_IRQ2, &data)) { |