Commit c96b13d7 authored by Alex Bee's avatar Alex Bee Committed by Heiko Stuebner
Browse files

ARM: dts: rockchip: Switch to operating-points-v2 for RK3128's CPU 



This will allow frequency-scaling for the cpu-cores.
Operating frequencies and voltages have been taken from Rockchip's
downstream kernel.

Signed-off-by: default avatarAlex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20230829214004.314932-10-knaerzche@gmail.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent da8b9739

arch/arm/boot/dts/rockchip/rk3128.dtsi

+39 −4
Original line number Diff line number Diff line
@@ -36,10 +36,7 @@ cpu0: cpu@f00 { 
			clock-latency = <40000>;

			clocks = <&cru ARMCLK>;

			resets = <&cru SRST_CORE0>;

			operating-points = <

				/* KHz    uV */

				 816000 1000000

			>;

			operating-points-v2 = <&cpu_opp_table>;

			#cooling-cells = <2>; /* min followed by max */

		};
@@ -48,6 +45,7 @@ cpu1: cpu@f01 { 
			compatible = "arm,cortex-a7";

			reg = <0xf01>;

			resets = <&cru SRST_CORE1>;

			operating-points-v2 = <&cpu_opp_table>;

		};



		cpu2: cpu@f02 {
@@ -55,6 +53,7 @@ cpu2: cpu@f02 { 
			compatible = "arm,cortex-a7";

			reg = <0xf02>;

			resets = <&cru SRST_CORE2>;

			operating-points-v2 = <&cpu_opp_table>;

		};



		cpu3: cpu@f03 {
@@ -62,6 +61,42 @@ cpu3: cpu@f03 { 
			compatible = "arm,cortex-a7";

			reg = <0xf03>;

			resets = <&cru SRST_CORE3>;

			operating-points-v2 = <&cpu_opp_table>;

		};

	};



	cpu_opp_table: opp-table-0 {

		compatible = "operating-points-v2";

		opp-shared;



		opp-216000000 {

			opp-hz = /bits/ 64 <216000000>;

			opp-microvolt = <950000 950000 1325000>;

		};

		opp-408000000 {

			opp-hz = /bits/ 64 <408000000>;

			opp-microvolt = <950000 950000 1325000>;

		};

		opp-600000000 {

			opp-hz = /bits/ 64 <600000000>;

			opp-microvolt = <950000 950000 1325000>;

		};

		opp-696000000 {

			opp-hz = /bits/ 64 <696000000>;

			opp-microvolt = <975000 975000 1325000>;

		};

		opp-816000000 {

			opp-hz = /bits/ 64 <816000000>;

			opp-microvolt = <1075000 1075000 1325000>;

			opp-suspend;

		};

		opp-1008000000 {

			opp-hz = /bits/ 64 <1008000000>;

			opp-microvolt = <1200000 1200000 1325000>;

		};

		opp-1200000000 {

			opp-hz = /bits/ 64 <1200000000>;

			opp-microvolt = <1325000 1325000 1325000>;

		};

	};