Received-SPF: pass (google.com: domain of linux-kernel+bounces-153731-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Sibi Sankar <quic_sibis@quicinc.com>
To: <sudeep.holla@arm.com>, <cristian.marussi@arm.com>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <jassisinghbrar@gmail.com>,
        <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
        <dmitry.baryshkov@linaro.org>
CC: <linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <quic_rgottimu@quicinc.com>,
        <quic_kshivnan@quicinc.com>, <quic_sibis@quicinc.com>,
        <conor+dt@kernel.org>, <quic_gkohli@quicinc.com>,
        <quic_nkela@quicinc.com>, <quic_psodagud@quicinc.com>,
        <abel.vesa@linaro.org>
Subject: [PATCH V4 5/5] arm64: dts: qcom: x1e80100: Enable cpufreq
Date: Mon, 22 Apr 2024 22:10:35 +0530
Message-ID: <20240422164035.1045501-6-quic_sibis@quicinc.com>
In-Reply-To: <20240422164035.1045501-1-quic_sibis@quicinc.com>
References: <20240422164035.1045501-1-quic_sibis@quicinc.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain

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

Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
---
 arch/arm64/boot/dts/qcom/x1e80100.dtsi | 63 ++++++++++++++++----------
 1 file changed, 39 insertions(+), 24 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 6dcd851f31b2..96d1c5bab13f 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -69,8 +69,8 @@ CPU0: cpu@0 {
 			reg = <0x0 0x0>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
-			power-domains = <&CPU_PD0>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD0>, <&scmi_dvfs 0>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 
 			L2_0: l2-cache {
@@ -86,8 +86,8 @@ CPU1: cpu@100 {
 			reg = <0x0 0x100>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
-			power-domains = <&CPU_PD1>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD1>, <&scmi_dvfs 0>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -97,8 +97,8 @@ CPU2: cpu@200 {
 			reg = <0x0 0x200>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
-			power-domains = <&CPU_PD2>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD2>, <&scmi_dvfs 0>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -108,8 +108,8 @@ CPU3: cpu@300 {
 			reg = <0x0 0x300>;
 			enable-method = "psci";
 			next-level-cache = <&L2_0>;
-			power-domains = <&CPU_PD3>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD3>, <&scmi_dvfs 0>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -119,8 +119,8 @@ CPU4: cpu@10000 {
 			reg = <0x0 0x10000>;
 			enable-method = "psci";
 			next-level-cache = <&L2_1>;
-			power-domains = <&CPU_PD4>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD4>, <&scmi_dvfs 1>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 
 			L2_1: l2-cache {
@@ -136,8 +136,8 @@ CPU5: cpu@10100 {
 			reg = <0x0 0x10100>;
 			enable-method = "psci";
 			next-level-cache = <&L2_1>;
-			power-domains = <&CPU_PD5>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD5>, <&scmi_dvfs 1>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -147,8 +147,8 @@ CPU6: cpu@10200 {
 			reg = <0x0 0x10200>;
 			enable-method = "psci";
 			next-level-cache = <&L2_1>;
-			power-domains = <&CPU_PD6>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD6>, <&scmi_dvfs 1>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -158,8 +158,8 @@ CPU7: cpu@10300 {
 			reg = <0x0 0x10300>;
 			enable-method = "psci";
 			next-level-cache = <&L2_1>;
-			power-domains = <&CPU_PD7>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD7>, <&scmi_dvfs 1>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -169,8 +169,8 @@ CPU8: cpu@20000 {
 			reg = <0x0 0x20000>;
 			enable-method = "psci";
 			next-level-cache = <&L2_2>;
-			power-domains = <&CPU_PD8>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD8>, <&scmi_dvfs 2>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 
 			L2_2: l2-cache {
@@ -186,8 +186,8 @@ CPU9: cpu@20100 {
 			reg = <0x0 0x20100>;
 			enable-method = "psci";
 			next-level-cache = <&L2_2>;
-			power-domains = <&CPU_PD9>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD9>, <&scmi_dvfs 2>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -197,8 +197,8 @@ CPU10: cpu@20200 {
 			reg = <0x0 0x20200>;
 			enable-method = "psci";
 			next-level-cache = <&L2_2>;
-			power-domains = <&CPU_PD10>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD10>, <&scmi_dvfs 2>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -208,8 +208,8 @@ CPU11: cpu@20300 {
 			reg = <0x0 0x20300>;
 			enable-method = "psci";
 			next-level-cache = <&L2_2>;
-			power-domains = <&CPU_PD11>;
-			power-domain-names = "psci";
+			power-domains = <&CPU_PD11>, <&scmi_dvfs 2>;
+			power-domain-names = "psci", "perf";
 			cpu-idle-states = <&CLUSTER_C4>;
 		};
 
@@ -309,6 +309,21 @@ 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>;
+				#power-domain-cells = <1>;
+			};
+		};
 	};
 
 	clk_virt: interconnect-0 {
-- 
2.34.1