Thread (6 messages) 6 messages, 3 authors, 2025-10-20
STALE277d REVIEWED: 5 (5M)
Revisions (4)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current

[PATCH v4 2/3] arm64: dts: exynos: gs101: add CPU clocks

From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: 2025-09-24 15:15:22
Also in: linux-devicetree, linux-samsung-soc, lkml
Subsystem: arm/samsung s3c, s5p and exynos arm architectures, google tensor soc support, the rest · Maintainers: Krzysztof Kozlowski, Peter Griffin, Linus Torvalds

Add the GS101 CPU clocks exposed through the ACPM protocol.

Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org> # on gs101-oriole
---
 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 f88d45a368af7ef88e8cdc84b3a81a63a753832c..7326801c9ebf270496997839185594c3c1776577 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>;
-- 
2.51.0.536.g15c5d4f767-goog

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