linux-kernel - [PATCH 3/4] arm64: dts: ExynosAutov920: add PCIe PHY DT nodes

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Message-ID: <20250926073921.1000866-4-sh86.bae@samsung.com>
Date: Fri, 26 Sep 2025 16:39:18 +0900
From: Sanghoon Bae <sh86.bae@...sung.com>
To: robh@...nel.org, krzk@...nel.org, conor+dt@...nel.org, vkoul@...nel.org,
	alim.akhtar@...sung.com, kishon@...nel.org, m.szyprowski@...sung.com,
	jh80.chung@...sung.com, shradha.t@...sung.com
Cc: krzk+dt@...nel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-phy@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
	sh86.bae@...sung.com
Subject: [PATCH 3/4] arm64: dts: ExynosAutov920: add PCIe PHY DT nodes

Add pcie_4l_phy, pcie_2l_phy dt node for all PCIe PHY instances
in ExynosAutov920 SoC.

Add HSI sysreg to control PCIe sysreg registers.

Signed-off-by: Sanghoon Bae <sh86.bae@...sung.com>
---
 .../arm64/boot/dts/exynos/exynosautov920.dtsi | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
index 2cb8041c8a9f..9e45bfcd7980 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
@@ -1021,12 +1021,40 @@ cmu_hsi0: clock-controller@...00000 {
 				      "noc";
 		};
 
+		syscon_hsi0: syscon@...30000 {
+			compatible = "samsung,exynosautov920-hsi0-sysreg",
+				     "syscon";
+			reg = <0x16030000 0x1000>;
+		};
+
 		pinctrl_hsi0: pinctrl@...40000 {
 			compatible = "samsung,exynosautov920-pinctrl";
 			reg = <0x16040000 0x10000>;
 			interrupts = <GIC_SPI 442 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		pcie_2l_phy: pcie-phy2l@...c6000{
+			compatible = "samsung,exynosautov920-pcie-phy";
+			reg = <0x161c6000 0x2000>,
+			      <0x161d0000 0xb000>;
+			#phy-cells = <0>;
+			samsung,pmu-syscon = <&pmu_system_controller>;
+			samsung,fsys-sysreg = <&syscon_hsi0>;
+			num-lanes = <2>;
+			status = "disabled";
+		};
+
+		pcie_4l_phy: pcie-phy4l@...c6000{
+			compatible = "samsung,exynosautov920-pcie-phy";
+			reg = <0x163c6000 0x2000>,
+			      <0x163d0000 0xb000>;
+			#phy-cells = <0>;
+			samsung,pmu-syscon = <&pmu_system_controller>;
+			samsung,fsys-sysreg = <&syscon_hsi0>;
+			num-lanes = <4>;
+			status = "disabled";
+		};
+
 		cmu_hsi1: clock-controller@...00000 {
 			compatible = "samsung,exynosautov920-cmu-hsi1";
 			reg = <0x16400000 0x8000>;
-- 
2.45.2