[PATCH RESEND v3 2/9] arm64: dts: ti: Enable CSI-RX on AM62

Jai Luthra j-luthra at ti.com
Thu Nov 30 21:09:17 PST 2023


The CSI2RX subsystem can be used to capture video frames from CSI-2
cameras. Add nodes for the CSI core, SHIM layer, and the DPHY.

Tested-by: Martyn Welch <martyn.welch at collabora.com>
Signed-off-by: Jai Luthra <j-luthra at ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 62 ++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index e5c64c86d1d5..c0a95f6aff5e 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -965,4 +965,66 @@ mcasp2: audio-controller at 2b20000 {
 		power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 	};
+
+	ti_csi2rx0: ticsi2rx at 30102000 {
+		compatible = "ti,j721e-csi2rx-shim";
+		dmas = <&main_bcdma 0 0x4700 0>;
+		dma-names = "rx0";
+		reg = <0x00 0x30102000 0x00 0x1000>;
+		power-domains = <&k3_pds 182 TI_SCI_PD_EXCLUSIVE>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		status = "disabled";
+
+		cdns_csi2rx0: csi-bridge at 30101000 {
+			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 at 0 {
+					reg = <0>;
+					status = "disabled";
+				};
+
+				csi0_port1: port at 1 {
+					reg = <1>;
+					status = "disabled";
+				};
+
+				csi0_port2: port at 2 {
+					reg = <2>;
+					status = "disabled";
+				};
+
+				csi0_port3: port at 3 {
+					reg = <3>;
+					status = "disabled";
+				};
+
+				csi0_port4: port at 4 {
+					reg = <4>;
+					status = "disabled";
+				};
+			};
+		};
+	};
+
+	dphy0: phy at 30110000 {
+		compatible = "cdns,dphy-rx";
+		reg = <0x00 0x30110000 0x00 0x1100>;
+		#phy-cells = <0>;
+		power-domains = <&k3_pds 185 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
+	};
+
 };

-- 
2.42.1




More information about the linux-arm-kernel mailing list