linux-kernel - [PATCH v3 2/3] arm64: dts: exynos: gs101: add CPU clocks

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Message-Id: <20250903-acpm-dvfs-dt-v3-2-f24059e5cd95@linaro.org>
Date: Wed, 03 Sep 2025 14:24:36 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>, 
 André Draszik <andre.draszik@...aro.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 willmcvicker@...gle.com, kernel-team@...roid.com, 
 Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v3 2/3] arm64: dts: exynos: gs101: add CPU clocks

Add the GS101 CPU clocks exposed through the ACPM protocol.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index f00754692bbac39fd828ebd4ef7c269f746f2522..e355fafe2276fdfbcb573600474cbdd26a654e7c 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -7,6 +7,7 @@
  */
 
 #include <dt-bindings/clock/google,gs101.h>
+#include <dt-bindings/clock/google,gs101-acpm.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/soc/samsung,exynos-usi.h>
@@ -72,6 +73,7 @@ cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a55";
 			reg = <0x0000>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL0>;
 			enable-method = "psci";
 			cpu-idle-states = <&ananke_cpu_sleep>;
 			capacity-dmips-mhz = <250>;
@@ -82,6 +84,7 @@ cpu1: cpu@100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a55";
 			reg = <0x0100>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL0>;
 			enable-method = "psci";
 			cpu-idle-states = <&ananke_cpu_sleep>;
 			capacity-dmips-mhz = <250>;
@@ -92,6 +95,7 @@ cpu2: cpu@200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a55";
 			reg = <0x0200>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL0>;
 			enable-method = "psci";
 			cpu-idle-states = <&ananke_cpu_sleep>;
 			capacity-dmips-mhz = <250>;
@@ -102,6 +106,7 @@ cpu3: cpu@300 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a55";
 			reg = <0x0300>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL0>;
 			enable-method = "psci";
 			cpu-idle-states = <&ananke_cpu_sleep>;
 			capacity-dmips-mhz = <250>;
@@ -112,6 +117,7 @@ cpu4: cpu@400 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a76";
 			reg = <0x0400>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL1>;
 			enable-method = "psci";
 			cpu-idle-states = <&enyo_cpu_sleep>;
 			capacity-dmips-mhz = <620>;
@@ -122,6 +128,7 @@ cpu5: cpu@500 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a76";
 			reg = <0x0500>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL1>;
 			enable-method = "psci";
 			cpu-idle-states = <&enyo_cpu_sleep>;
 			capacity-dmips-mhz = <620>;
@@ -132,6 +139,7 @@ cpu6: cpu@600 {
 			device_type = "cpu";
 			compatible = "arm,cortex-x1";
 			reg = <0x0600>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL2>;
 			enable-method = "psci";
 			cpu-idle-states = <&hera_cpu_sleep>;
 			capacity-dmips-mhz = <1024>;
@@ -142,6 +150,7 @@ cpu7: cpu@700 {
 			device_type = "cpu";
 			compatible = "arm,cortex-x1";
 			reg = <0x0700>;
+			clocks = <&acpm_ipc GS101_CLK_ACPM_DVFS_CPUCL2>;
 			enable-method = "psci";
 			cpu-idle-states = <&hera_cpu_sleep>;
 			capacity-dmips-mhz = <1024>;

-- 
2.51.0.338.gd7d06c2dae-goog