[PATCH v3 2/4] arm64: dts: exynos: gs101: add samsung,sysreg property to CMU nodes

Peter Griffin peter.griffin at linaro.org
Sun Nov 2 12:27:15 PST 2025


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 at 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 at 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 at 10030000 {
@@ -662,6 +663,7 @@ cmu_peric0: clock-controller at 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 at 10820000 {
@@ -1208,6 +1210,7 @@ cmu_peric1: clock-controller at 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 at 10c20000 {
@@ -1566,6 +1569,7 @@ cmu_hsi0: clock-controller at 11000000 {
 				 <&cmu_top CLK_DOUT_CMU_HSI0_USBDPDBG>;
 			clock-names = "oscclk", "bus", "dpgtc", "usb31drd",
 				      "usbdpdbg";
+			samsung,sysreg = <&sysreg_hsi0>;
 		};
 
 		sysreg_hsi0: syscon at 11020000 {
@@ -1637,6 +1641,7 @@ cmu_hsi2: clock-controller at 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 at 14420000 {
@@ -1697,6 +1702,7 @@ cmu_apm: clock-controller at 17400000 {
 
 			clocks = <&ext_24_5m>;
 			clock-names = "oscclk";
+			samsung,sysreg = <&sysreg_apm>;
 		};
 
 		sysreg_apm: syscon at 17420000 {

-- 
2.51.1.930.gacf6e81ea2-goog




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