From: Nick Chan <towinchenmi@gmail.com>
To: Hector Martin <marcan@marcan.st>, Sven Peter <sven@svenpeter.dev>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Nick Chan <towinchenmi@gmail.com>
Subject: [PATCH RESEND 3/9] arm64: dts: apple: t7001: Add cpufreq nodes
Date: Mon, 3 Feb 2025 20:43:42 +0800 [thread overview]
Message-ID: <20250203124747.41541-4-towinchenmi@gmail.com> (raw)
In-Reply-To: <20250203124747.41541-1-towinchenmi@gmail.com>
Add the cpufreq nodes for Apple A8X SoC.
Signed-off-by: Nick Chan <towinchenmi@gmail.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@202220000 {
+ compatible = "apple,t7000-cluster-cpufreq", "apple,s5l8960x-cluster-cpufreq";
+ reg = <0x2 0x02220000 0 0x1000>;
+ #performance-domain-cells = <0>;
+ };
+
serial0: serial@20a0c0000 {
compatible = "apple,s5l-uart";
reg = <0x2 0x0a0c0000 0x0 0x4000>;
--
2.48.1
next prev parent reply other threads:[~2025-02-03 12:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-03 12:43 [PATCH RESEND 0/9] Add Apple A7-A11, T2 SoC cpufreq nodes Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 1/9] arm64: dts: apple: s5l8960x: Add " Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 2/9] arm64: dts: apple: t7000: " Nick Chan
2025-02-03 12:43 ` Nick Chan [this message]
2025-02-03 12:43 ` [PATCH RESEND 4/9] arm64: dts: apple: Add cpufreq nodes for S8000/S8003 Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 5/9] arm64: dts: apple: s8001: Add cpufreq nodes Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 6/9] arm64: dts: apple: t8010: " Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 7/9] arm64: dts: apple: t8011: " Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 8/9] arm64: dts: apple: t8012: " Nick Chan
2025-02-03 12:43 ` [PATCH RESEND 9/9] arm64: dts: apple: t8015: " Nick Chan
2025-02-06 23:27 ` [PATCH RESEND 0/9] Add Apple A7-A11, T2 SoC " Hector Martin
2025-02-09 10:51 ` Neal Gompa
2025-02-09 12:08 ` Sven Peter
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