Thread (12 messages) 12 messages, 4 authors, 2025-06-12

RE: [PATCH v3 4/4] arm64: dts: exynosautov920: add CMU_HSI2 clock DT nodes

From: "Alim Akhtar" <alim.akhtar@samsung.com>
Date: 2025-06-09 08:32:57
Also in: linux-arm-kernel, linux-clk, linux-devicetree, linux-samsung-soc, lkml

Hi Raghav
-----Original Message-----
From: Raghav Sharma <redacted>
Sent: Thursday, May 29, 2025 4:57 PM
To: krzk@kernel.org; s.nawrocki@samsung.com; cw00.choi@samsung.com;
alim.akhtar@samsung.com; mturquette@baylibre.com; sboyd@kernel.org;
robh@kernel.org; conor+dt@kernel.org; richardcochran@gmail.com;
sunyeal.hong@samsung.com; shin.son@samsung.com
Cc: linux-samsung-soc@vger.kernel.org; linux-clk@vger.kernel.org;
devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
kernel@vger.kernel.org; netdev@vger.kernel.org;
chandan.vn@samsung.com; karthik.sun@samsung.com;
dev.tailor@samsung.com; Raghav Sharma [off-list ref]
Subject: [PATCH v3 4/4] arm64: dts: exynosautov920: add CMU_HSI2 clock DT
nodes

Add required dt node for CMU_HSI2 block, which provides clocks to ufs and
ethernet IPs

Signed-off-by: Raghav Sharma <redacted>
---
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
quoted hunk ↗ jump to hunk
 arch/arm64/boot/dts/exynos/exynosautov920.dtsi | 17
+++++++++++++++++
 1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
index 2cb8041c8a9f..7890373f5da0 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
@@ -1048,6 +1048,23 @@ pinctrl_hsi1: pinctrl@16450000 {
 			interrupts = <GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>;
 		};

+		cmu_hsi2: clock-controller@16b00000 {
+			compatible = "samsung,exynosautov920-cmu-hsi2";
+			reg = <0x16b00000 0x8000>;
+			#clock-cells = <1>;
+
+			clocks = <&xtcxo>,
+				 <&cmu_top DOUT_CLKCMU_HSI2_NOC>,
+				 <&cmu_top
DOUT_CLKCMU_HSI2_NOC_UFS>,
+				 <&cmu_top
DOUT_CLKCMU_HSI2_UFS_EMBD>,
+				 <&cmu_top
DOUT_CLKCMU_HSI2_ETHERNET>;
+			clock-names = "oscclk",
+				      "noc",
+				      "ufs",
+				      "embd",
+				      "ethernet";
+		};
+
 		pinctrl_hsi2: pinctrl@16c10000 {
 			compatible = "samsung,exynosautov920-pinctrl";
 			reg = <0x16c10000 0x10000>;
--
2.34.1
  
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