linux-kernel - [PATCH 5/5] arm64: dts: qcom: x1e80100: Enable cpufreq

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Message-ID: <20240328095044.2926125-6-quic_sibis@quicinc.com>
Date: Thu, 28 Mar 2024 15:20:44 +0530
From: Sibi Sankar <quic_sibis@...cinc.com>
To: <sudeep.holla@....com>, <cristian.marussi@....com>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <jassisinghbrar@...il.com>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <quic_rgottimu@...cinc.com>,
        <quic_kshivnan@...cinc.com>, <quic_sibis@...cinc.com>,
        <conor+dt@...nel.org>, <quic_gkohli@...cinc.com>,
        <quic_nkela@...cinc.com>, <quic_psodagud@...cinc.com>
Subject: [PATCH 5/5] arm64: dts: qcom: x1e80100: Enable cpufreq

Enable cpufreq on X1E80100 SoCs through the SCMI perf protocol node.

Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
---
 arch/arm64/boot/dts/qcom/x1e80100.dtsi | 27 ++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 4e0ec859ed61..d1d232cd1f25 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -68,6 +68,7 @@ CPU0: cpu@0 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 0>;
 			next-level-cache = <&L2_0>;
 			power-domains = <&CPU_PD0>;
 			power-domain-names = "psci";
@@ -85,6 +86,7 @@ CPU1: cpu@100 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x100>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 0>;
 			next-level-cache = <&L2_0>;
 			power-domains = <&CPU_PD1>;
 			power-domain-names = "psci";
@@ -96,6 +98,7 @@ CPU2: cpu@200 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x200>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 0>;
 			next-level-cache = <&L2_0>;
 			power-domains = <&CPU_PD2>;
 			power-domain-names = "psci";
@@ -107,6 +110,7 @@ CPU3: cpu@300 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x300>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 0>;
 			next-level-cache = <&L2_0>;
 			power-domains = <&CPU_PD3>;
 			power-domain-names = "psci";
@@ -118,6 +122,7 @@ CPU4: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x10000>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 1>;
 			next-level-cache = <&L2_1>;
 			power-domains = <&CPU_PD4>;
 			power-domain-names = "psci";
@@ -135,6 +140,7 @@ CPU5: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x10100>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 1>;
 			next-level-cache = <&L2_1>;
 			power-domains = <&CPU_PD5>;
 			power-domain-names = "psci";
@@ -146,6 +152,7 @@ CPU6: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x10200>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 1>;
 			next-level-cache = <&L2_1>;
 			power-domains = <&CPU_PD6>;
 			power-domain-names = "psci";
@@ -157,6 +164,7 @@ CPU7: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x10300>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 1>;
 			next-level-cache = <&L2_1>;
 			power-domains = <&CPU_PD7>;
 			power-domain-names = "psci";
@@ -168,6 +176,7 @@ CPU8: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x20000>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 2>;
 			next-level-cache = <&L2_2>;
 			power-domains = <&CPU_PD8>;
 			power-domain-names = "psci";
@@ -185,6 +194,7 @@ CPU9: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x20100>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 2>;
 			next-level-cache = <&L2_2>;
 			power-domains = <&CPU_PD9>;
 			power-domain-names = "psci";
@@ -196,6 +206,7 @@ CPU10: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x20200>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 2>;
 			next-level-cache = <&L2_2>;
 			power-domains = <&CPU_PD10>;
 			power-domain-names = "psci";
@@ -207,6 +218,7 @@ CPU11: cpu@...00 {
 			compatible = "qcom,oryon";
 			reg = <0x0 0x20300>;
 			enable-method = "psci";
+			clocks = <&scmi_dvfs 2>;
 			next-level-cache = <&L2_2>;
 			power-domains = <&CPU_PD11>;
 			power-domain-names = "psci";
@@ -309,6 +321,21 @@ scm: scm {
 			interconnects = <&aggre2_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS
 					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
 		};
+
+		scmi {
+			compatible = "arm,scmi";
+			mboxes = <&cpucp_mbox 0>, <&cpucp_mbox 2>;
+			mbox-names = "tx", "rx";
+			shmem = <&cpu_scp_lpri0>, <&cpu_scp_lpri1>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			scmi_dvfs: protocol@13 {
+				reg = <0x13>;
+				#clock-cells = <1>;
+			};
+		};
 	};
 
 	clk_virt: interconnect-0 {
-- 
2.34.1