Re: [PATCH] ARM: dts: exynos: Add missing CPU clocks to secondary CPUs on Exynos542x

From: Alim Akhtar
Date: Sat Jun 02 2018 - 11:40:56 EST

Hi Krzysztof,

On Wed, May 30, 2018 at 10:19 PM, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
> Secondary CPUs should have the same information in DeviceTree as booting
> CPU from both correctness point of view and for possible hotplug
> scenarios.
>
> Suggested-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos5420-cpus.dtsi | 6 ++++++
> arch/arm/boot/dts/exynos5422-cpus.dtsi | 8 +++++++-
> 2 files changed, 13 insertions(+), 1 deletion(-)

Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

Tested on exynos5800 peach-pi, so feel free to add

Tested-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

>
> diff --git a/arch/arm/boot/dts/exynos5420-cpus.dtsi b/arch/arm/boot/dts/exynos5420-cpus.dtsi
> index a8e449471304..0ee6e92a3c29 100644
> --- a/arch/arm/boot/dts/exynos5420-cpus.dtsi
> +++ b/arch/arm/boot/dts/exynos5420-cpus.dtsi
> @@ -38,6 +38,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0x1>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> @@ -49,6 +50,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0x2>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> @@ -60,6 +62,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0x3>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> @@ -83,6 +86,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a7";
> reg = <0x101>;
> + clocks = <&clock CLK_KFC_CLK>;
> clock-frequency = <1000000000>;
> cci-control-port = <&cci_control0>;
> operating-points-v2 = <&cluster_a7_opp_table>;
> @@ -94,6 +98,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a7";
> reg = <0x102>;
> + clocks = <&clock CLK_KFC_CLK>;
> clock-frequency = <1000000000>;
> cci-control-port = <&cci_control0>;
> operating-points-v2 = <&cluster_a7_opp_table>;
> @@ -105,6 +110,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a7";
> reg = <0x103>;
> + clocks = <&clock CLK_KFC_CLK>;
> clock-frequency = <1000000000>;
> cci-control-port = <&cci_control0>;
> operating-points-v2 = <&cluster_a7_opp_table>;
> diff --git a/arch/arm/boot/dts/exynos5422-cpus.dtsi b/arch/arm/boot/dts/exynos5422-cpus.dtsi
> index 7c130a00d1a8..e4a5857c135f 100644
> --- a/arch/arm/boot/dts/exynos5422-cpus.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-cpus.dtsi
> @@ -37,6 +37,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a7";
> reg = <0x101>;
> + clocks = <&clock CLK_KFC_CLK>;
> clock-frequency = <1000000000>;
> cci-control-port = <&cci_control0>;
> operating-points-v2 = <&cluster_a7_opp_table>;
> @@ -48,6 +49,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a7";
> reg = <0x102>;
> + clocks = <&clock CLK_KFC_CLK>;
> clock-frequency = <1000000000>;
> cci-control-port = <&cci_control0>;
> operating-points-v2 = <&cluster_a7_opp_table>;
> @@ -59,6 +61,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a7";
> reg = <0x103>;
> + clocks = <&clock CLK_KFC_CLK>;
> clock-frequency = <1000000000>;
> cci-control-port = <&cci_control0>;
> operating-points-v2 = <&cluster_a7_opp_table>;
> @@ -69,8 +72,8 @@
> cpu4: cpu@0 {
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> - clocks = <&clock CLK_ARM_CLK>;
> reg = <0x0>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> @@ -82,6 +85,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0x1>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> @@ -93,6 +97,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0x2>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> @@ -104,6 +109,7 @@
> device_type = "cpu";
> compatible = "arm,cortex-a15";
> reg = <0x3>;
> + clocks = <&clock CLK_ARM_CLK>;
> clock-frequency = <1800000000>;
> cci-control-port = <&cci_control1>;
> operating-points-v2 = <&cluster_a15_opp_table>;
> --
> 2.14.1
>
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--
Regards,
Alim