linux-kernel - [PATCH 14/19] arm64: dts: qcom: qdru1000: Add cpufreq support

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Date:   Fri, 30 Sep 2022 20:06:51 -0700
From:   Melody Olvera <quic_molvera@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Melody Olvera <quic_molvera@...cinc.com>
Subject: [PATCH 14/19] arm64: dts: qcom: qdru1000: Add cpufreq support

Add cpufreq-epss node for the QDU1000 and QRU1000 SoCs
and add references to it from the cpu nodes.

Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qdru1000.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qdru1000.dtsi b/arch/arm64/boot/dts/qcom/qdru1000.dtsi
index 62a6a6e8ca59..2fd449df3706 100644
--- a/arch/arm64/boot/dts/qcom/qdru1000.dtsi
+++ b/arch/arm64/boot/dts/qcom/qdru1000.dtsi
@@ -45,6 +45,7 @@ CPU0: cpu@0 {
 			enable-method = "psci";
 			power-domain-names = "psci";
 			power-domains = <&CPU_PD0>;
+			qcom,freq-domains = <&cpufreq_hw 0>;
 			next-level-cache = <&L2_0>;
 			L2_0: l2-cache {
 			      compatible = "cache";
@@ -62,6 +63,7 @@ CPU1: cpu@100 {
 			enable-method = "psci";
 			power-domains = <&CPU_PD1>;
 			power-domain-names = "psci";
+			qcom,freq-domains = <&cpufreq_hw 0>;
 			next-level-cache = <&L2_100>;
 			L2_100: l2-cache {
 			      compatible = "cache";
@@ -77,6 +79,7 @@ CPU2: cpu@200 {
 			enable-method = "psci";
 			power-domains = <&CPU_PD2>;
 			power-domain-names = "psci";
+			qcom,freq-domains = <&cpufreq_hw 0>;
 			next-level-cache = <&L2_200>;
 			L2_200: l2-cache {
 			      compatible = "cache";
@@ -91,6 +94,7 @@ CPU3: cpu@300 {
 			enable-method = "psci";
 			power-domains = <&CPU_PD3>;
 			power-domain-names = "psci";
+			qcom,freq-domains = <&cpufreq_hw 0>;
 			next-level-cache = <&L2_300>;
 			L2_300: l2-cache {
 			      compatible = "cache";
@@ -246,6 +250,18 @@ uart7: serial@...000 {
 			};
 		};
 
+		cpufreq_hw: cpufreq@...91000 {
+			compatible = "qcom, qdu1000-cpufreq-epss", "qcom, qru1000-cpufreq-epss",
+				"qcom,cpufreq-epss";
+			reg = <0x0 0x17d91000 0x0 0x1000>;
+			reg-names = "freq-domain0";
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
+			clock-names = "xo", "alternate";
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "dcvsh0_int";
+			#freq-domain-cells = <1>;
+		};
+
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x0 0x1f40000 0x0 0x20000>;
-- 
2.37.3