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Wed, 6 May 2026 10:52:55 +0800 (CST) From: Devin Li To: peter.chen@cixtech.com, fugang.duan@cixtech.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, cix-kernel-upstream@cixtech.com Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, guoyin.chen@cixtech.com, robin.wang@cixtech.com, hong.guo@cixtech.com, Devin.Li@cixtech.com Subject: [PATCH v2] arm64: dts: cix: Add SCMI performance domains for CPUFreq on Sky1 Date: Wed, 6 May 2026 10:52:54 +0800 Message-ID: <20260506025254.3602623-1-Devin.Li@cixtech.com> X-Mailer: git-send-email @GIT_VERSION@ MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG2PEPF000B66CB:EE_|TYQPR06MB8085:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: fbaa4028-c7cf-49b0-975f-08deab1a9382 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700016|1800799024|82310400026|56012099003|18002099003; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add SCMI Protocol 13 (Performance) node under ap_to_pm_scmi with domains. Define SKY1_PERF_* macros in sky1-power.h for all performance domain IDs (CPU L/B0/B1/M0/M1, GPU, DSU, NPU, VPU, CI700, NI700), and wire each CPU node to its corresponding performance domain using power-domains and power-domain-names properties. Signed-off-by: Devin Li --- Notes: Change for v2: - Use real name format "Devin Li" arch/arm64/boot/dts/cix/sky1-power.h | 13 +++++++++++++ arch/arm64/boot/dts/cix/sky1.dtsi | 29 ++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/cix/sky1-power.h b/arch/arm64/boot/dts/cix/sky1-power.h index 53f4a3af36b3..144567579b71 100644 --- a/arch/arm64/boot/dts/cix/sky1-power.h +++ b/arch/arm64/boot/dts/cix/sky1-power.h @@ -30,4 +30,17 @@ #define SKY1_PD_ISP0 20 #define SKY1_PD_GPU 21 +#define SKY1_PERF_GPU_CORE 0 +#define SKY1_PERF_GPU_TOP 1 +#define SKY1_PERF_CPU_L 2 +#define SKY1_PERF_CPU_B0 3 +#define SKY1_PERF_CPU_B1 4 +#define SKY1_PERF_CPU_M0 5 +#define SKY1_PERF_CPU_M1 6 +#define SKY1_PERF_DSU 7 +#define SKY1_PERF_NPU 8 +#define SKY1_PERF_VPU 9 +#define SKY1_PERF_CI700 10 +#define SKY1_PERF_NI700 11 + #endif diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sky1.dtsi index 0611098b5f05..a77c52296ebd 100644 --- a/arch/arm64/boot/dts/cix/sky1.dtsi +++ b/arch/arm64/boot/dts/cix/sky1.dtsi @@ -22,6 +22,8 @@ cpu0: cpu@0 { enable-method = "psci"; reg = <0x0 0x0>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_L>; + power-domain-names = "perf"; capacity-dmips-mhz = <403>; cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; @@ -31,6 +33,8 @@ cpu1: cpu@100 { enable-method = "psci"; reg = <0x0 0x100>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_L>; + power-domain-names = "perf"; capacity-dmips-mhz = <403>; cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; @@ -40,6 +44,8 @@ cpu2: cpu@200 { enable-method = "psci"; reg = <0x0 0x200>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_L>; + power-domain-names = "perf"; capacity-dmips-mhz = <403>; cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; @@ -49,6 +55,8 @@ cpu3: cpu@300 { enable-method = "psci"; reg = <0x0 0x300>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_L>; + power-domain-names = "perf"; capacity-dmips-mhz = <403>; cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; }; @@ -58,6 +66,8 @@ cpu4: cpu@400 { enable-method = "psci"; reg = <0x0 0x400>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_M0>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -67,6 +77,8 @@ cpu5: cpu@500 { enable-method = "psci"; reg = <0x0 0x500>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_M0>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -76,6 +88,8 @@ cpu6: cpu@600 { enable-method = "psci"; reg = <0x0 0x600>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_M1>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -85,6 +99,8 @@ cpu7: cpu@700 { enable-method = "psci"; reg = <0x0 0x700>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_M1>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -94,6 +110,8 @@ cpu8: cpu@800 { enable-method = "psci"; reg = <0x0 0x800>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_B0>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -103,6 +121,8 @@ cpu9: cpu@900 { enable-method = "psci"; reg = <0x0 0x900>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_B0>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -112,6 +132,8 @@ cpu10: cpu@a00 { enable-method = "psci"; reg = <0x0 0xa00>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_B1>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -121,6 +143,8 @@ cpu11: cpu@b00 { enable-method = "psci"; reg = <0x0 0xb00>; device_type = "cpu"; + power-domains = <&scmi_dvfs SKY1_PERF_CPU_B1>; + power-domain-names = "perf"; capacity-dmips-mhz = <1024>; cpu-idle-states = <&CPU_SLEEP_1 &CLUSTER_SLEEP_0>; }; @@ -205,6 +229,11 @@ ap_to_pm_scmi: scmi { #address-cells = <1>; #size-cells = <0>; + scmi_dvfs: protocol@13 { + reg = <0x13>; + #power-domain-cells = <1>; + }; + scmi_clk: protocol@14 { reg = <0x14>; #clock-cells = <1>; -- 2.49.0