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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2018-05-25 13:31:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-13 22:15:01 +0300 |
| commit | 4b93b6d7e3f2b6532525c12af06a014a6b71f19f (patch) | |
| tree | 34e9a5600357d202449546504368eba750f1cbaa /arch/arm | |
| parent | b4438856ea1e6337c1c11fee6b612ffafee055cb (diff) | |
| download | linux-4b93b6d7e3f2b6532525c12af06a014a6b71f19f.tar.xz | |
arm: dts: exynos: Add missing cooling device properties for CPUs
commit 672f33198bee21ee91e6af2cb8f67cfc8bc97ec1 upstream.
The cooling device properties, like "#cooling-cells" and
"dynamic-power-coefficient", should either be present for all the CPUs
of a cluster or none. If these are present only for a subset of CPUs of
a cluster then things will start falling apart as soon as the CPUs are
brought online in a different order. For example, this will happen
because the operating system looks for such properties in the CPU node
it is trying to bring up, so that it can register a cooling device.
Add such missing properties.
Fix other missing properties (clocks, OPP, clock latency) as well to
make it all work.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/exynos3250.dtsi | 16 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos4210.dtsi | 13 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5250.dtsi | 23 |
3 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi index 590ee442d0ae..3ed3d1a0fd40 100644 --- a/arch/arm/boot/dts/exynos3250.dtsi +++ b/arch/arm/boot/dts/exynos3250.dtsi @@ -82,6 +82,22 @@ compatible = "arm,cortex-a7"; reg = <1>; clock-frequency = <1000000000>; + clocks = <&cmu CLK_ARM_CLK>; + clock-names = "cpu"; + #cooling-cells = <2>; + + operating-points = < + 1000000 1150000 + 900000 1112500 + 800000 1075000 + 700000 1037500 + 600000 1000000 + 500000 962500 + 400000 925000 + 300000 887500 + 200000 850000 + 100000 850000 + >; }; }; diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index 4e8325b173ea..27e17471ab7a 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -59,6 +59,19 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0x901>; + clocks = <&clock CLK_ARM_CLK>; + clock-names = "cpu"; + clock-latency = <160000>; + + operating-points = < + 1200000 1250000 + 1000000 1150000 + 800000 1075000 + 500000 975000 + 400000 975000 + 200000 950000 + >; + #cooling-cells = <2>; /* min followed by max */ }; }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index d7fc0e016447..b1ed7c57c51e 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -87,6 +87,29 @@ compatible = "arm,cortex-a15"; reg = <1>; clock-frequency = <1700000000>; + clocks = <&clock CLK_ARM_CLK>; + clock-names = "cpu"; + clock-latency = <140000>; + + operating-points = < + 1700000 1300000 + 1600000 1250000 + 1500000 1225000 + 1400000 1200000 + 1300000 1150000 + 1200000 1125000 + 1100000 1100000 + 1000000 1075000 + 900000 1050000 + 800000 1025000 + 700000 1012500 + 600000 1000000 + 500000 975000 + 400000 950000 + 300000 937500 + 200000 925000 + >; + #cooling-cells = <2>; /* min followed by max */ }; }; |