Add i.MX8QXP CPU opp table to support cpufreq. Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> --- Changes since V4: - remove redundant clock-latency property in A35_0; - add #cooling-cells for all A35 core. --- arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index 4021f25..fad1259 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -34,6 +34,9 @@ reg = <0x0 0x0>; enable-method = "psci"; next-level-cache = <&A35_L2>; + clocks = <&clk IMX_A35_CLK>; + operating-points-v2 = <&a35_0_opp_table>; + #cooling-cells = <2>; }; A35_1: cpu@1 { @@ -42,6 +45,8 @@ reg = <0x0 0x1>; enable-method = "psci"; next-level-cache = <&A35_L2>; + operating-points-v2 = <&a35_0_opp_table>; + #cooling-cells = <2>; }; A35_2: cpu@2 { @@ -50,6 +55,8 @@ reg = <0x0 0x2>; enable-method = "psci"; next-level-cache = <&A35_L2>; + operating-points-v2 = <&a35_0_opp_table>; + #cooling-cells = <2>; }; A35_3: cpu@3 { @@ -58,6 +65,8 @@ reg = <0x0 0x3>; enable-method = "psci"; next-level-cache = <&A35_L2>; + operating-points-v2 = <&a35_0_opp_table>; + #cooling-cells = <2>; }; A35_L2: l2-cache0 { @@ -65,6 +74,24 @@ }; }; + a35_0_opp_table: opp-table { + compatible = "operating-points-v2"; + opp-shared; + + opp-900000000 { + opp-hz = /bits/ 64 <900000000>; + opp-microvolt = <1000000>; + clock-latency-ns = <150000>; + }; + + opp-1200000000 { + opp-hz = /bits/ 64 <1200000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <150000>; + opp-suspend; + }; + }; + gic: interrupt-controller@51a00000 { compatible = "arm,gic-v3"; reg = <0x0 0x51a00000 0 0x10000>, /* GIC Dist */ -- 2.7.4