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From: Peter Griffin <peter.griffin@linaro.org>
To: "Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Alim Akhtar" <alim.akhtar@samsung.com>,
	"André Draszik" <andre.draszik@linaro.org>,
	"Tudor Ambarus" <tudor.ambarus@linaro.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Sam Protsenko" <semen.protsenko@linaro.org>,
	"Sylwester Nawrocki" <s.nawrocki@samsung.com>,
	"Chanwoo Choi" <cw00.choi@samsung.com>
Cc: Will McVicker <willmcvicker@google.com>,
	 Krzysztof Kozlowski <krzk@kernel.org>,
	devicetree@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org,  linux-kernel@vger.kernel.org,
	linux-clk@vger.kernel.org,  kernel-team@android.com,
	Peter Griffin <peter.griffin@linaro.org>,
	 Krzysztof Kozlowski <krzk@kernel.org>
Subject: [PATCH v2 2/4] arm64: dts: exynos: gs101: add samsung,sysreg property to CMU nodes
Date: Wed, 29 Oct 2025 21:29:23 +0000	[thread overview]
Message-ID: <20251029-automatic-clocks-v2-2-f8edd3a2d82b@linaro.org> (raw)
In-Reply-To: <20251029-automatic-clocks-v2-0-f8edd3a2d82b@linaro.org>

sysreg bank contains BUSCOMPONENT_DRCG_EN and MEMCLK clock registers that
need to be initialized in the CMU clock driver.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index d06d1d05f36408137a8acd98e43d48ea7d4f4292..c39ca4c4508f046ca16ae86be42468c7245561b8 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -578,6 +578,7 @@ cmu_misc: clock-controller@10010000 {
 			clocks = <&cmu_top CLK_DOUT_CMU_MISC_BUS>,
 				 <&cmu_top CLK_DOUT_CMU_MISC_SSS>;
 			clock-names = "bus", "sss";
+			samsung,sysreg = <&sysreg_misc>;
 		};
 
 		sysreg_misc: syscon@10030000 {
@@ -662,6 +663,7 @@ cmu_peric0: clock-controller@10800000 {
 				 <&cmu_top CLK_DOUT_CMU_PERIC0_BUS>,
 				 <&cmu_top CLK_DOUT_CMU_PERIC0_IP>;
 			clock-names = "oscclk", "bus", "ip";
+			samsung,sysreg = <&sysreg_peric0>;
 		};
 
 		sysreg_peric0: syscon@10820000 {
@@ -1208,6 +1210,7 @@ cmu_peric1: clock-controller@10c00000 {
 				 <&cmu_top CLK_DOUT_CMU_PERIC1_BUS>,
 				 <&cmu_top CLK_DOUT_CMU_PERIC1_IP>;
 			clock-names = "oscclk", "bus", "ip";
+			samsung,sysreg = <&sysreg_peric1>;
 		};
 
 		sysreg_peric1: syscon@10c20000 {
@@ -1566,6 +1569,7 @@ cmu_hsi0: clock-controller@11000000 {
 				 <&cmu_top CLK_DOUT_CMU_HSI0_USBDPDBG>;
 			clock-names = "oscclk", "bus", "dpgtc", "usb31drd",
 				      "usbdpdbg";
+			samsung,sysreg = <&sysreg_hsi0>;
 		};
 
 		sysreg_hsi0: syscon@11020000 {
@@ -1637,6 +1641,7 @@ cmu_hsi2: clock-controller@14400000 {
 				 <&cmu_top CLK_DOUT_CMU_HSI2_UFS_EMBD>,
 				 <&cmu_top CLK_DOUT_CMU_HSI2_MMC_CARD>;
 			clock-names = "oscclk", "bus", "pcie", "ufs", "mmc";
+			samsung,sysreg = <&sysreg_hsi2>;
 		};
 
 		sysreg_hsi2: syscon@14420000 {
@@ -1697,6 +1702,7 @@ cmu_apm: clock-controller@17400000 {
 
 			clocks = <&ext_24_5m>;
 			clock-names = "oscclk";
+			samsung,sysreg = <&sysreg_apm>;
 		};
 
 		sysreg_apm: syscon@17420000 {

-- 
2.51.1.851.g4ebd6896fd-goog



  parent reply	other threads:[~2025-10-29 21:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-29 21:29 [PATCH v2 0/4] Implement hardware automatic clock gating (HWACG) for gs101 Peter Griffin
2025-10-29 21:29 ` [PATCH v2 1/4] dt-bindings: clock: google,gs101-clock: add samsung,sysreg property as required Peter Griffin
2025-10-29 21:29 ` Peter Griffin [this message]
2025-10-29 21:29 ` [PATCH v2 3/4] clk: samsung: Implement automatic clock gating mode for CMUs Peter Griffin
2025-10-31 17:02   ` kernel test robot
2025-10-29 21:29 ` [PATCH v2 4/4] clk: samsung: gs101: Enable auto_clock_gate mode for each gs101 CMU Peter Griffin

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