[PATCH v2] arm64: dts: rockchip: Add basic DVFS support for RK3368

[Heiko Stuebner]

Am Freitag, 18. August 2017, 14:17:01 CEST schrieb Romain Perier:
> This adds and enable the operating points that have been tested and are
> currently supported by the SoC. This also adds clocks for ARMCLKL and
> ARMCLKB.
> 
> Signed-off-by: Romain Perier <romain.perier at collabora.com>
> ---
> 
> Changes in v2:
> - Switched to binding v2 for operating-points
> - Improved commit message
> - Rebased onto linux-next
> 
>  arch/arm64/boot/dts/rockchip/rk3368.dtsi | 75 +++++++++++++++++++++++++++++++-
>  1 file changed, 73 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
> index b6f234f10585..7f42a9111062 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
> @@ -113,7 +113,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x0>;
>  			enable-method = "psci";
> -
> +			clocks = <&cru ARMCLKL>;
> +			operating-points-v2 = <&cluster0_opp>;
>  			#cooling-cells = <2>; /* min followed by max */
>  		};
>  
> @@ -122,6 +123,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x1>;
>  			enable-method = "psci";
> +			clocks = <&cru ARMCLKL>;
> +			operating-points-v2 = <&cluster0_opp>;
>  		};
>  
>  		cpu_l2: cpu at 2 {
> @@ -129,6 +132,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x2>;
>  			enable-method = "psci";
> +			clocks = <&cru ARMCLKL>;
> +			operating-points-v2 = <&cluster0_opp>;
>  		};
>  
>  		cpu_l3: cpu at 3 {
> @@ -136,6 +141,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x3>;
>  			enable-method = "psci";
> +			clocks = <&cru ARMCLKL>;
> +			operating-points-v2 = <&cluster0_opp>;
>  		};
>  
>  		cpu_b0: cpu at 100 {
> @@ -143,7 +150,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x100>;
>  			enable-method = "psci";
> -
> +			clocks = <&cru ARMCLKB>;
> +			operating-points-v2 = <&cluster1_opp>;
>  			#cooling-cells = <2>; /* min followed by max */
>  		};
>  
> @@ -152,6 +160,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x101>;
>  			enable-method = "psci";
> +			clocks = <&cru ARMCLKB>;
> +			operating-points-v2 = <&cluster1_opp>;
>  		};
>  
>  		cpu_b2: cpu at 102 {
> @@ -159,6 +169,8 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x102>;
>  			enable-method = "psci";
> +			clocks = <&cru ARMCLKB>;
> +			operating-points-v2 = <&cluster1_opp>;
>  		};
>  
>  		cpu_b3: cpu at 103 {
> @@ -166,9 +178,68 @@
>  			compatible = "arm,cortex-a53", "arm,armv8";
>  			reg = <0x0 0x103>;
>  			enable-method = "psci";
> +			clocks = <&cru ARMCLKB>;
> +			operating-points-v2 = <&cluster1_opp>;
>  		};
>  	};
>  
> +	cluster0_opp: opp-table0 {
> +		compatible = "operating-points-v2";
> +		opp-shared;
> +
> +		opp00 {
> +			opp-hz = /bits/ 64 <312000000>;
> +			opp-microvolt = <950000>;
> +			clock-latency-ns = <40000>;
> +		};
> +		opp01 {
> +			opp-hz = /bits/ 64 <408000000>;
> +			opp-microvolt = <950000>;
> +		};
> +		opp02 {
> +			opp-hz = /bits/ 64 <600000000>;
> +			opp-microvolt = <950000>;
> +		};
> +		opp03 {
> +			opp-hz = /bits/ 64 <816000000>;
> +			opp-microvolt = <1025000>;
> +		};
> +		opp04 {
> +			opp-hz = /bits/ 64 <1008000000>;
> +			opp-microvolt = <1125000>;
> +		};
> +	};
> +
> +	cluster1_opp: opp-table1 {
> +		compatible = "operating-points-v2";
> +		opp-shared;
> +
> +		opp00 {
> +			opp-hz = /bits/ 64 <312000000>;
> +			opp-microvolt = <950000>;
> +			clock-latency-ns = <40000>;
> +		};
> +		opp01 {
> +			opp-hz = /bits/ 64 <408000000>;
> +			opp-microvolt = <950000>;
> +		};
> +		opp02 {
> +			opp-hz = /bits/ 64 <600000000>;
> +			opp-microvolt = <950000>;
> +		};
> +		opp03 {
> +			opp-hz = /bits/ 64 <816000000>;
> +			opp-microvolt = <975000>;
> +		};
> +		opp04 {
> +			opp-hz = /bits/ 64 <1008000000>;
> +			opp-microvolt = <1050000>;
> +		};
> +	};
> +
> +
> +
> +

please don't insert multiple empty lines in future patches.

I've removed the excess blank lines and applied it for 4.14


Heiko