linux-kernel - [PATCH 3/9] arm64: dts: apple: t7001: Add cpufreq nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241222175314.151437-4-towinchenmi@gmail.com>
Date: Mon, 23 Dec 2024 01:52:03 +0800
From: Nick Chan <towinchenmi@...il.com>
To: Hector Martin <marcan@...can.st>,
	Sven Peter <sven@...npeter.dev>,
	Alyssa Rosenzweig <alyssa@...enzweig.io>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	asahi@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Nick Chan <towinchenmi@...il.com>
Subject: [PATCH 3/9] arm64: dts: apple: t7001: Add cpufreq nodes

Add the cpufreq nodes for Apple A8X SoC.

Signed-off-by: Nick Chan <towinchenmi@...il.com>
---
 arch/arm64/boot/dts/apple/t7001.dtsi | 52 ++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t7001.dtsi b/arch/arm64/boot/dts/apple/t7001.dtsi
index a76e034c85e3..15fd91d12f30 100644
--- a/arch/arm64/boot/dts/apple/t7001.dtsi
+++ b/arch/arm64/boot/dts/apple/t7001.dtsi
@@ -35,6 +35,8 @@ cpu0: cpu@0 {
 			compatible = "apple,typhoon";
 			reg = <0x0 0x0>;
 			cpu-release-addr = <0 0>; /* To be filled in by loader */
+			performance-domains = <&cpufreq>;
+			operating-points-v2 = <&typhoon_opp>;
 			enable-method = "spin-table";
 			device_type = "cpu";
 		};
@@ -43,6 +45,8 @@ cpu1: cpu@1 {
 			compatible = "apple,typhoon";
 			reg = <0x0 0x1>;
 			cpu-release-addr = <0 0>; /* To be filled in by loader */
+			performance-domains = <&cpufreq>;
+			operating-points-v2 = <&typhoon_opp>;
 			enable-method = "spin-table";
 			device_type = "cpu";
 		};
@@ -51,11 +55,53 @@ cpu2: cpu@2 {
 			compatible = "apple,typhoon";
 			reg = <0x0 0x2>;
 			cpu-release-addr = <0 0>; /* To be filled by loader */
+			performance-domains = <&cpufreq>;
+			operating-points-v2 = <&typhoon_opp>;
 			enable-method = "spin-table";
 			device_type = "cpu";
 		};
 	};
 
+	typhoon_opp: opp-table {
+		compatible = "operating-points-v2";
+
+		opp01 {
+			opp-hz = /bits/ 64 <300000000>;
+			opp-level = <1>;
+			clock-latency-ns = <300>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <396000000>;
+			opp-level = <2>;
+			clock-latency-ns = <49000>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-level = <3>;
+			clock-latency-ns = <31000>;
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <840000000>;
+			opp-level = <4>;
+			clock-latency-ns = <32000>;
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <1128000000>;
+			opp-level = <5>;
+			clock-latency-ns = <32000>;
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <1392000000>;
+			opp-level = <6>;
+			clock-latency-ns = <37000>;
+		};
+		opp07 {
+			opp-hz = /bits/ 64 <1512000000>;
+			opp-level = <7>;
+			clock-latency-ns = <41000>;
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -63,6 +109,12 @@ soc {
 		nonposted-mmio;
 		ranges;
 
+		cpufreq: performance-controller@...220000 {
+			compatible = "apple,t7000-cluster-cpufreq", "apple,s5l8960x-cluster-cpufreq";
+			reg = <0x2 0x02220000 0 0x1000>;
+			#performance-domain-cells = <0>;
+		};
+
 		serial0: serial@...0c0000 {
 			compatible = "apple,s5l-uart";
 			reg = <0x2 0x0a0c0000 0x0 0x4000>;
-- 
2.47.1