[PATCH v3 2/3] arm64: dts: exynos: gs101: enable cmu-hsi2 clock controller

André Draszik andre.draszik at linaro.org
Mon Apr 29 06:02:18 PDT 2024


From: Peter Griffin <peter.griffin at linaro.org>

Enable the cmu_hsi2 clock management unit. It feeds some of
the high speed interfaces such as PCIe and UFS.

Signed-off-by: Peter Griffin <peter.griffin at linaro.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus at linaro.org>
Signed-off-by: André Draszik <andre.draszik at linaro.org>

---
v3:
* s/ufs_embd/ufs
* s/mmc_card/mmc
---
 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 9755a0bb70a1..a0305555c4fd 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1267,6 +1267,18 @@ pinctrl_hsi1: pinctrl at 11840000 {
 			interrupts = <GIC_SPI 471 IRQ_TYPE_LEVEL_HIGH 0>;
 		};
 
+		cmu_hsi2: clock-controller at 14400000 {
+			compatible = "google,gs101-cmu-hsi2";
+			reg = <0x14400000 0x4000>;
+			#clock-cells = <1>;
+			clocks = <&ext_24_5m>,
+				 <&cmu_top CLK_DOUT_CMU_HSI2_BUS>,
+				 <&cmu_top CLK_DOUT_CMU_HSI2_PCIE>,
+				 <&cmu_top CLK_DOUT_CMU_HSI2_UFS_EMBD>,
+				 <&cmu_top CLK_DOUT_CMU_HSI2_MMC_CARD>;
+			clock-names = "oscclk", "bus", "pcie", "ufs", "mmc";
+		};
+
 		pinctrl_hsi2: pinctrl at 14440000 {
 			compatible = "google,gs101-pinctrl";
 			reg = <0x14440000 0x00001000>;

-- 
2.44.0.769.g3c40516874-goog




More information about the linux-arm-kernel mailing list