linux-kernel - [PATCH 3/3] arm64: dts: qcom: sm4450: Add RPMh power domains support

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Message-ID: <20250417-sm4450_rpmhpd-v1-3-361846750d3a@quicinc.com>
Date: Thu, 17 Apr 2025 22:37:41 +0530
From: Ajit Pandey <quic_ajipan@...cinc.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Konrad Dybcio <konradybcio@...nel.org>
CC: Imran Shaik <quic_imrashai@...cinc.com>,
        Taniya Das
	<quic_tdas@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        "Satya
 Priya Kakitapalli" <quic_skakitap@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        Ajit Pandey
	<quic_ajipan@...cinc.com>
Subject: [PATCH 3/3] arm64: dts: qcom: sm4450: Add RPMh power domains
 support

Add device node for RPMh power domains on Qualcomm SM4450 platform.

Signed-off-by: Ajit Pandey <quic_ajipan@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sm4450.dtsi | 68 ++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
index 27453771aa68a1c4dbd2a986af6785fa05db147d..d217d922811e84420f0f31008e939337b07bc38b 100644
--- a/arch/arm64/boot/dts/qcom/sm4450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
@@ -10,6 +10,8 @@
 #include <dt-bindings/clock/qcom,sm4450-gpucc.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/qcom,rpmhpd.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
 
 / {
@@ -591,6 +593,72 @@ rpmhcc: clock-controller {
 				clocks = <&xo_board>;
 				clock-names = "xo";
 			};
+
+			rpmhpd: power-controller {
+				compatible = "qcom,sm4450-rpmhpd";
+				#power-domain-cells = <1>;
+				operating-points-v2 = <&rpmhpd_opp_table>;
+
+				rpmhpd_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					rpmhpd_opp_ret: opp-16 {
+						opp-level = <RPMH_REGULATOR_LEVEL_RETENTION>;
+					};
+
+					rpmhpd_opp_min_svs: opp-48 {
+						opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+					};
+
+					rpmhpd_opp_low_svs_d1: opp-56 {
+						opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D1>;
+					};
+
+					rpmhpd_opp_low_svs: opp-64 {
+						opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+					};
+
+					rpmhpd_opp_low_svs_l1: opp-80 {
+						opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_L1>;
+					};
+
+					rpmhpd_opp_low_svs_l2: opp-96 {
+						opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_L2>;
+					};
+
+					rpmhpd_opp_svs: opp-128 {
+						opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+					};
+
+					rpmhpd_opp_svs_l1: opp-192 {
+						opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+					};
+
+					rpmhpd_opp_svs_l2: opp-224 {
+						opp-level = <RPMH_REGULATOR_LEVEL_SVS_L2>;
+					};
+
+					rpmhpd_opp_nom: opp-256 {
+						opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
+					};
+
+					rpmhpd_opp_nom_l1: opp-320 {
+						opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
+					};
+
+					rpmhpd_opp_nom_l2: opp-336 {
+						opp-level = <RPMH_REGULATOR_LEVEL_NOM_L2>;
+					};
+
+					rpmhpd_opp_turbo: opp-384 {
+						opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
+					};
+
+					rpmhpd_opp_turbo_l1: opp-416 {
+						opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
+					};
+				};
+			};
 		};
 
 		cpufreq_hw: cpufreq@...91000 {

-- 
2.25.1