linux-kernel - [PATCH v2 3/4] arm64: dts: ti: k3-am62p: Add nodes for CSI-RX

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Message-ID: <20240220-am62p_csi-v2-3-3e71d9945571@ti.com>
Date: Tue, 20 Feb 2024 11:48:04 +0530
From: Jai Luthra <j-luthra@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>, Andrew Davis <afd@...com>,
        Bryan Brattlof <bb@...com>, Dhruva Gole <d-gole@...com>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Vaishnav Achath <vaishnav.a@...com>,
        Devarsh
 Thakkar <devarsht@...com>, Aradhya Bhatia <a-bhatia1@...com>,
        Jai Luthra
	<j-luthra@...com>
Subject: [PATCH v2 3/4] arm64: dts: ti: k3-am62p: Add nodes for CSI-RX

AM62P supports image capture via the MIPI CSI-2 protocol, it uses three
IPs to achieve this: Cadence DPHY, Cadence CSI-RX, and TI's pixelgrabber
wrapper on top. Add nodes for these IPs in the devicetree, and keep them
disabled here, so these may be enabled by the sensor overlays.

Reviewed-by: Vaishnav Achath <vaishnav.a@...com>
Signed-off-by: Jai Luthra <j-luthra@...com>
---
 arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 61 +++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
index fb328774879c..3f271e7710d8 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
@@ -966,4 +966,65 @@ mcasp2: audio-controller@...0000 {
 		power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 	};
+
+	ti_csi2rx0: ticsi2rx@...02000 {
+		compatible = "ti,j721e-csi2rx-shim";
+		reg = <0x00 0x30102000 0x00 0x1000>;
+		ranges;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		dmas = <&main_bcdma_csi 0 0x5000 0>;
+		dma-names = "rx0";
+		power-domains = <&k3_pds 182 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
+
+		cdns_csi2rx0: csi-bridge@...01000 {
+			compatible = "ti,j721e-csi2rx", "cdns,csi2rx";
+			reg = <0x00 0x30101000 0x00 0x1000>;
+			clocks = <&k3_clks 182 0>, <&k3_clks 182 3>, <&k3_clks 182 0>,
+				<&k3_clks 182 0>, <&k3_clks 182 4>, <&k3_clks 182 4>;
+			clock-names = "sys_clk", "p_clk", "pixel_if0_clk",
+				"pixel_if1_clk", "pixel_if2_clk", "pixel_if3_clk";
+			phys = <&dphy0>;
+			phy-names = "dphy";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				csi0_port0: port@0 {
+					reg = <0>;
+					status = "disabled";
+				};
+
+				csi0_port1: port@1 {
+					reg = <1>;
+					status = "disabled";
+				};
+
+				csi0_port2: port@2 {
+					reg = <2>;
+					status = "disabled";
+				};
+
+				csi0_port3: port@3 {
+					reg = <3>;
+					status = "disabled";
+				};
+
+				csi0_port4: port@4 {
+					reg = <4>;
+					status = "disabled";
+				};
+			};
+		};
+	};
+
+	dphy0: phy@...10000 {
+		compatible = "cdns,dphy-rx";
+		reg = <0x00 0x30110000 0x00 0x1100>;
+		#phy-cells = <0>;
+		power-domains = <&k3_pds 185 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
+	};
 };

-- 
2.43.0