Messages in this thread | | | Date | Tue, 11 Mar 2014 13:28:04 +0100 | From | Tomasz Figa <> | Subject | Re: [PATCH 3/5] ARM: dts: exynos4x12: Add GPS_ALIVE power domain |
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Hi Chanwoo,
On 11.03.2014 08:54, Chanwoo Choi wrote: > 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>; > + }; >
Exynos4210 seems to have this power domain as well, so I guess this change should be done to exynos4.dtsi instead.
Best regards, Tomasz
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