[RFT 3/4] arm64: dts: renesas: Add Maxim GMSL expansion board

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Add Maxim MAX9286 expansion board for Salvator-X Renesas board.

This patch updates the salvator-x-max9286.dtsi to comply with the newly
defined yaml bindings and its based on Kieran's
"arm64: dts: renesas: salvator-x: Add MAX9286 expansion board" from
git://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git#gmsl-v5

Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
---
 .../boot/dts/renesas/salvator-x-max9286.dtsi  | 394 ++++++++++++++++++
 1 file changed, 394 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/salvator-x-max9286.dtsi

diff --git a/arch/arm64/boot/dts/renesas/salvator-x-max9286.dtsi b/arch/arm64/boot/dts/renesas/salvator-x-max9286.dtsi
new file mode 100644
index 000000000000..d9b3edb4ed80
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/salvator-x-max9286.dtsi
@@ -0,0 +1,394 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree Source for the Salvator-X MAX9286 expansion board
+ *
+ * Copyright (C) 2017 Ideas on Board <laurent.pinchart@xxxxxxxxxxxxxxxx>
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/*
+ * MAX9286 A
+ */
+#define MAXIM_CAMERA0 "imi,rdacm20"
+#define MAXIM_CAMERA1 "imi,rdacm20"
+#define MAXIM_CAMERA2 "imi,rdacm20"
+#define MAXIM_CAMERA3 "imi,rdacm20"
+
+/*
+ * MAX9286 B
+ */
+//#define MAXIM_CAMERA4 "imi,rdacm20"
+//#define MAXIM_CAMERA5 "imi,rdacm20"
+//#define MAXIM_CAMERA6 "imi,rdacm20"
+//#define MAXIM_CAMERA7 "imi,rdacm20"
+
+/ {
+/*
+ * Powered MCU IMI cameras need delay between power-on and R-Car access
+ * to avoid I2C bus conflicts since the R-Car I2C does not support I2C
+ * multi-master. The I2C bus conflict would result in R-Car I2C IP stall.
+ */
+#define IMI_MCU_V0_DELAY	8000000	/* delay for powered MCU firmware v0 */
+#define IMI_MCU_V1_DELAY	3000000	/* delay for powered MCU firmware v1 */
+#define IMI_MCU_NO_DELAY	0	/* delay for unpowered MCU  */
+#define IMI_MCU_DELAY		IMI_MCU_V0_DELAY
+
+	poc_12v: regulator-vcc-poc-12v {
+		compatible = "regulator-fixed";
+
+		regulator-name = "Camera PoC 12V";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		startup-delay-us = <(250000 + IMI_MCU_DELAY)>;
+
+		gpio = <&gpio6 30 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&vin0 {
+	status = "okay";
+};
+
+&vin1 {
+	status = "okay";
+};
+
+&vin2 {
+	status = "okay";
+};
+
+&vin3 {
+	status = "okay";
+};
+
+&vin4 {
+	status = "okay";
+};
+
+&vin5 {
+	status = "okay";
+};
+
+&vin6 {
+	status = "okay";
+};
+
+&vin7 {
+	status = "okay";
+};
+
+/* Disconnect the csi40 endpoint from the ADV748x TXA (HDMI) */
+&adv7482_txa {
+	/delete-property/ remote-endpoint;
+	status = "disabled";
+};
+
+&csi40 {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			csi40_in: endpoint {
+				clock-lanes = <0>;
+				data-lanes = <1 2 3 4>;
+				remote-endpoint = <&max9286_out0>;
+			};
+		};
+	};
+};
+
+&csi41 {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			csi41_in: endpoint {
+				clock-lanes = <0>;
+				data-lanes = <1 2 3 4>;
+				remote-endpoint = <&max9286_out1>;
+			};
+		};
+	};
+};
+
+&i2c4 {
+	gmsl-deserializer@4c {
+		compatible = "maxim,max9286";
+		reg = <0x4c>;
+		poc-supply = <&poc_12v>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				max9286_in0: endpoint {
+#ifdef MAXIM_CAMERA0
+					remote-endpoint = <&rdacm20_out0>;
+#endif
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				max9286_in1: endpoint {
+#ifdef MAXIM_CAMERA1
+					remote-endpoint = <&rdacm20_out1>;
+#endif
+				};
+			};
+
+			port@2 {
+				reg = <2>;
+				max9286_in2: endpoint {
+#ifdef MAXIM_CAMERA2
+					remote-endpoint = <&rdacm20_out2>;
+#endif
+				};
+			};
+
+			port@3 {
+				reg = <3>;
+				max9286_in3: endpoint {
+#ifdef MAXIM_CAMERA3
+					remote-endpoint = <&rdacm20_out3>;
+#endif
+				};
+			};
+
+			port@4 {
+				reg = <4>;
+				max9286_out0: endpoint {
+					clock-lanes = <0>;
+					data-lanes = <1 2 3 4>;
+					remote-endpoint = <&csi40_in>;
+				};
+			};
+		};
+
+		i2c-mux {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			i2c@0 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>;
+
+#ifdef MAXIM_CAMERA0
+				camera@31 {
+					compatible = MAXIM_CAMERA0;
+					reg = <0x31 0x41 0x51>;
+
+					port {
+						rdacm20_out0: endpoint {
+							remote-endpoint = <&max9286_in0>;
+						};
+					};
+
+				};
+#endif
+			};
+
+			i2c@1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>;
+
+#ifdef MAXIM_CAMERA1
+				camera@32 {
+					compatible = MAXIM_CAMERA1;
+					reg = <0x32 0x42 0x52>;
+					port {
+						rdacm20_out1: endpoint {
+							remote-endpoint = <&max9286_in1>;
+						};
+					};
+				};
+#endif
+			};
+
+			i2c@2 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <2>;
+
+#ifdef MAXIM_CAMERA2
+				camera@33 {
+					compatible = MAXIM_CAMERA2;
+					reg = <0x33 0x43 0x53>;
+					port {
+						rdacm20_out2: endpoint {
+							remote-endpoint = <&max9286_in2>;
+						};
+					};
+				};
+#endif
+			};
+
+			i2c@3 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <3>;
+
+#ifdef MAXIM_CAMERA3
+				camera@34 {
+					compatible = MAXIM_CAMERA3;
+					reg = <0x34 0x44 0x54>;
+					port {
+						rdacm20_out3: endpoint {
+							remote-endpoint = <&max9286_in3>;
+						};
+					};
+				};
+#endif
+			};
+		};
+	};
+
+	gmsl-deserializer@6c {
+		compatible = "maxim,max9286";
+		reg = <0x6c>;
+		poc-supply = <&poc_12v>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				max9286_in4: endpoint {
+#ifdef MAXIM_CAMERA4
+					remote-endpoint = <&rdacm20_out4>;
+#endif
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				max9286_in5: endpoint {
+#ifdef MAXIM_CAMERA5
+					remote-endpoint = <&rdacm20_out5>;
+#endif
+				};
+			};
+
+			port@2 {
+				reg = <2>;
+				max9286_in6: endpoint {
+#ifdef MAXIM_CAMERA6
+					remote-endpoint = <&rdacm20_out6>;
+#endif
+				};
+			};
+
+			port@3 {
+				reg = <3>;
+				max9286_in7: endpoint {
+#ifdef MAXIM_CAMERA7
+					remote-endpoint = <&rdacm20_out7>;
+#endif
+				};
+			};
+
+			port@4 {
+				reg = <4>;
+				max9286_out1: endpoint {
+					clock-lanes = <0>;
+					data-lanes = <1 2 3 4>;
+					remote-endpoint = <&csi41_in>;
+				};
+			};
+		};
+
+		i2c-mux {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			i2c@0 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>;
+
+#ifdef MAXIM_CAMERA4
+				camera@35 {
+					compatible = MAXIM_CAMERA4;
+					reg = <0x35 0x45 0x55>;
+					port {
+						rdacm20_out4: endpoint {
+							remote-endpoint = <&max9286_in4>;
+						};
+					};
+				};
+#endif
+			};
+
+			i2c@1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>;
+
+#ifdef MAXIM_CAMERA5
+				camera@36 {
+					compatible = MAXIM_CAMERA5;
+					reg = <0x36 0x46 0x56>;
+					port {
+						rdacm20_out5: endpoint {
+							remote-endpoint = <&max9286_in5>;
+						};
+					};
+				};
+#endif
+			};
+
+			i2c@2 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <2>;
+
+#ifdef MAXIM_CAMERA6
+				camera@37 {
+					compatible = MAXIM_CAMERA6;
+					reg = <0x37 0x47 0x57>;
+					port {
+						rdacm20_out6: endpoint {
+							remote-endpoint = <&max9286_in6>;
+						};
+					};
+				};
+#endif
+			};
+
+			i2c@3 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <3>;
+
+#ifdef MAXIM_CAMERA7
+				camera@38 {
+					compatible = MAXIM_CAMERA7;
+					reg = <0x38 0x48 0x58>;
+					port {
+						rdacm20_out7: endpoint {
+							remote-endpoint = <&max9286_in7>;
+						};
+					};
+				};
+#endif
+			};
+		};
+	};
+};
-- 
2.23.0




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