Add the APCS, A53 PLL, cpu-opp-table nodes to set the CPU frequency at 800MHz (idle) or 1.008GHz. Co-developed-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@xxxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/ipq5018.dtsi | 40 +++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi index 9f13d2dcdfd5..56f3c5260bbd 100644 --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi @@ -5,6 +5,7 @@ * Copyright (c) 2023 The Linux Foundation. All rights reserved. */ +#include <dt-bindings/clock/qcom,apss-ipq.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/clock/qcom,gcc-ipq5018.h> #include <dt-bindings/reset/qcom,gcc-ipq5018.h> @@ -36,6 +37,8 @@ CPU0: cpu@0 { reg = <0x0>; enable-method = "psci"; next-level-cache = <&L2_0>; + clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>; + operating-points-v2 = <&cpu_opp_table>; }; CPU1: cpu@1 { @@ -44,6 +47,8 @@ CPU1: cpu@1 { reg = <0x1>; enable-method = "psci"; next-level-cache = <&L2_0>; + clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>; + operating-points-v2 = <&cpu_opp_table>; }; L2_0: l2-cache { @@ -54,6 +59,23 @@ L2_0: l2-cache { }; }; + cpu_opp_table: opp-table-cpu { + compatible = "operating-points-v2"; + opp-shared; + + opp-800000000 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <200000>; + }; + + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <200000>; + }; + }; + firmware { scm { compatible = "qcom,scm-ipq5018", "qcom,scm"; @@ -181,6 +203,24 @@ v2m1: v2m@1000 { }; }; + apcs_glb: mailbox@b111000 { + compatible = "qcom,ipq5018-apcs-apps-global", + "qcom,ipq6018-apcs-apps-global"; + reg = <0x0b111000 0x1000>; + #clock-cells = <1>; + clocks = <&a53pll>, <&xo_board_clk>, <&gcc GPLL0>; + clock-names = "pll", "xo", "gpll0"; + #mbox-cells = <1>; + }; + + a53pll: clock@b116000 { + compatible = "qcom,ipq5018-a53pll"; + reg = <0x0b116000 0x40>; + #clock-cells = <0>; + clocks = <&xo_board_clk>; + clock-names = "xo"; + }; + timer@b120000 { compatible = "arm,armv7-timer-mem"; reg = <0x0b120000 0x1000>; -- 2.34.1