[v1] Implement hardware automatic clock gating (HWACG) for gs101

[PATCH 3/9] arm64: dts: exynos: gs101: add sysreg_misc and sysreg_hsi0 nodes

Posted by Peter Griffin 5 months, 3 weeks ago

Add syscon DT node for the hsi0 and misc sysreg controllers. These will be
referenced by their respective CMU nodes in future patchs.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 31c99526470d0bb946d498f7546e70c84ed4845b..d1e3226da6472bb9db766926100a6b9855d7a30c 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -295,6 +295,12 @@ cmu_misc: clock-controller@10010000 {
 			clock-names = "bus", "sss";
 		};
 
+		sysreg_misc: syscon@10030000 {
+			compatible = "google,gs101-misc-sysreg", "syscon";
+			reg = <0x10030000 0x10000>;
+			clocks = <&cmu_misc CLK_GOUT_MISC_SYSREG_MISC_PCLK>;
+		};
+
 		timer@10050000 {
 			compatible = "google,gs101-mct",
 				     "samsung,exynos4210-mct";
@@ -1277,6 +1283,12 @@ cmu_hsi0: clock-controller@11000000 {
 				      "usbdpdbg";
 		};
 
+		sysreg_hsi0: syscon@11020000 {
+			compatible = "google,gs101-hsi0-sysreg", "syscon";
+			reg = <0x11020000 0x10000>;
+			clocks = <&cmu_hsi0 CLK_GOUT_HSI0_SYSREG_HSI0_PCLK>;
+		};
+
 		usbdrd31_phy: phy@11100000 {
 			compatible = "google,gs101-usb31drd-phy";
 			reg = <0x11100000 0x0200>,

-- 
2.51.0.760.g7b8bcc2412-goog

Re: [PATCH 3/9] arm64: dts: exynos: gs101: add sysreg_misc and sysreg_hsi0 nodes

Posted by André Draszik 5 months, 3 weeks ago

On Mon, 2025-10-13 at 21:51 +0100, Peter Griffin wrote:
> Add syscon DT node for the hsi0 and misc sysreg controllers. These will be
> referenced by their respective CMU nodes in future patchs.

s/patchs/patches :-)

> 
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> ---
>  arch/arm64/boot/dts/exynos/google/gs101.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)

Reviewed-by: André Draszik <andre.draszik@linaro.org>

Re: (subset) [PATCH 3/9] arm64: dts: exynos: gs101: add sysreg_misc and sysreg_hsi0 nodes

Posted by Krzysztof Kozlowski 5 months, 2 weeks ago

On Mon, 13 Oct 2025 21:51:32 +0100, Peter Griffin wrote:
> Add syscon DT node for the hsi0 and misc sysreg controllers. These will be
> referenced by their respective CMU nodes in future patchs.
> 
> 

Applied, thanks!

[3/9] arm64: dts: exynos: gs101: add sysreg_misc and sysreg_hsi0 nodes
      https://git.kernel.org/krzk/linux/c/08d9d0d9ae6f9f83bc1802a3f8ab2a4801ccd3e6

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>