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([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-acebddbb0d4sm7835225a12.10.2025.02.03.04.48.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Feb 2025 04:48:47 -0800 (PST) From: Nick Chan To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Nick Chan Subject: [PATCH RESEND 5/9] arm64: dts: apple: s8001: Add cpufreq nodes Date: Mon, 3 Feb 2025 20:43:44 +0800 Message-ID: <20250203124747.41541-6-towinchenmi@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250203124747.41541-1-towinchenmi@gmail.com> References: <20250203124747.41541-1-towinchenmi@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250203_044848_232437_11F9453A X-CRM114-Status: GOOD ( 10.88 ) 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 cpufreq nodes for Apple A9X SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/s8001.dtsi | 59 ++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/arch/arm64/boot/dts/apple/s8001.dtsi b/arch/arm64/boot/dts/apple/s8001.dtsi index 23ee3238844d..7f7cb8afd3d3 100644 --- a/arch/arm64/boot/dts/apple/s8001.dtsi +++ b/arch/arm64/boot/dts/apple/s8001.dtsi @@ -32,6 +32,8 @@ cpu0: cpu@0 { compatible = "apple,twister"; reg = <0x0 0x0>; cpu-release-addr = <0 0>; /* To be filled in by loader */ + operating-points-v2 = <&twister_opp>; + performance-domains = <&cpufreq>; enable-method = "spin-table"; device_type = "cpu"; }; @@ -40,11 +42,62 @@ cpu1: cpu@1 { compatible = "apple,twister"; reg = <0x0 0x1>; cpu-release-addr = <0 0>; /* To be filled in by loader */ + operating-points-v2 = <&twister_opp>; + performance-domains = <&cpufreq>; enable-method = "spin-table"; device_type = "cpu"; }; }; + twister_opp: opp-table { + compatible = "operating-points-v2"; + + opp01 { + opp-hz = /bits/ 64 <300000000>; + opp-level = <1>; + clock-latency-ns = <800>; + }; + opp02 { + opp-hz = /bits/ 64 <396000000>; + opp-level = <2>; + clock-latency-ns = <53000>; + }; + opp03 { + opp-hz = /bits/ 64 <792000000>; + opp-level = <3>; + clock-latency-ns = <18000>; + }; + opp04 { + opp-hz = /bits/ 64 <1080000000>; + opp-level = <4>; + clock-latency-ns = <21000>; + }; + opp05 { + opp-hz = /bits/ 64 <1440000000>; + opp-level = <5>; + clock-latency-ns = <25000>; + }; + opp06 { + opp-hz = /bits/ 64 <1800000000>; + opp-level = <6>; + clock-latency-ns = <33000>; + }; + opp07 { + opp-hz = /bits/ 64 <2160000000>; + opp-level = <7>; + clock-latency-ns = <45000>; + }; +#if 0 + /* Not available until CPU deep sleep is implemented */ + opp08 { + opp-hz = /bits/ 64 <2160000000>; + opp-level = <8>; + clock-latency-ns = <45000>; + turbo-mode; + }; +#endif + }; + soc { compatible = "simple-bus"; #address-cells = <2>; @@ -52,6 +105,12 @@ soc { nonposted-mmio; ranges; + cpufreq: performance-controller@202220000 { + compatible = "apple,s8000-cluster-cpufreq", "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq"; + reg = <0x2 0x02220000 0 0x1000>; + #performance-domain-cells = <0>; + }; + serial0: serial@20a0c0000 { compatible = "apple,s5l-uart"; reg = <0x2 0x0a0c0000 0x0 0x4000>;