Messages in this thread Patch in this message | | | From | Chanwoo Choi <> | Subject | [PATCH 3/5] ARM: dts: exynos4x12: Add GPS_ALIVE power domain | Date | Tue, 11 Mar 2014 16:54:52 +0900 |
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This patch add GPS_ALIVE power domain for Exynos4x12 SoC. GPS_ALIVE power domain include GPS_BLK for GPS IP. Exynos SoC used generic power-domain driver to control power domain. After completed kernel booting, Exynos power-domain driver disable un-used power domain to reduce power-consumption/leak.
If GPS_ALIVE power domain isn't registered to Exynos power-domain driver, happen power-leakage because GPS_ALIVE_CONFIGURATION is default power on state.
- 0x10023D00 : GPS_ALIVE_CONFIGURATION register address
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> --- arch/arm/boot/dts/exynos4x12.dtsi | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi index 1ec77f6..066eb35 100644 --- a/arch/arm/boot/dts/exynos4x12.dtsi +++ b/arch/arm/boot/dts/exynos4x12.dtsi @@ -41,6 +41,11 @@ compatible = "samsung,exynos4210-pd"; reg = <0x10023CA0 0x20>; }; + + pd_gps_alive: gps-alive-power-domain@10023D00 { + compatible = "samsung,exynos4210-pd"; + reg = <0x10023D00 0x20>; + }; clock: clock-controller@10030000 { compatible = "samsung,exynos4412-clock"; -- 1.8.0
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