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From: Jacopo Mondi <jacopo+renesas@jmondi.org>
To: Geert Uytterhoeven <geert+renesas@glider.be>,
	Magnus Damm <magnus.damm@gmail.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Kieran Bingham <kieran.bingham@ideasonboard.com>,
	Rob Herring <robh+dt@kernel.org>
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>,
	linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v4 6/7] arm64: dts: renesas: eagle: Add GMSL .dtsi
Date: Thu, 15 Apr 2021 14:26:01 +0200
Message-ID: <20210415122602.87697-7-jacopo+renesas@jmondi.org> (raw)
In-Reply-To: <20210415122602.87697-1-jacopo+renesas@jmondi.org>

From: Kieran Bingham <kieran.bingham@ideasonboard.com>

Describe the FAKRA connector available on Eagle board that allows
connecting GMSL camera modules such as IMI RDACM20 and RDACM21.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 arch/arm64/boot/dts/renesas/eagle-gmsl.dtsi | 178 ++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/eagle-gmsl.dtsi

diff --git a/arch/arm64/boot/dts/renesas/eagle-gmsl.dtsi b/arch/arm64/boot/dts/renesas/eagle-gmsl.dtsi
new file mode 100644
index 000000000000..d2e48dc3e820
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/eagle-gmsl.dtsi
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree Source (overlay) for the Eagle V3M GMSL connectors
+ *
+ * Copyright (C) 2017 Ideas on Board <kieran.bingham@ideasonboard.com>
+ * Copyright (C) 2021 Jacopo Mondi <jacopo+renesas@jmondi.org>
+ *
+ * This overlay allows you to define GMSL cameras connected to the FAKRA
+ * connectors on the Eagle-V3M (or compatible) board.
+ *
+ * The following cameras are currently supported: RDACM20 and RDACM21.
+ *
+ * The board .dts files that include this select which cameras are in use
+ * by specifying the camera model with:
+ *
+ * #define GMSL_CAMERA_RDACM20
+ * or
+ * #define GMSL_CAMERA_RDACM21
+ *
+ * And which cameras are connected to the board by defining:
+ * #define GMSL_CAMERA_0
+ * #define GMSL_CAMERA_1
+ * #define GMSL_CAMERA_2
+ * #define GMSL_CAMERA_3
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/* Validate the board file settings. */
+#if !defined(GMSL_CAMERA_RDACM20) && !defined(GMSL_CAMERA_RDACM21)
+#error "Camera model should be defined by the board file"
+#endif
+
+#if defined(GMSL_CAMERA_RDACM20) && defined(GMSL_CAMERA_RDACM21)
+#error "A single camera model should be selected"
+#endif
+
+#if !defined(GMSL_CAMERA_0) && !defined(GMSL_CAMERA_1) && \
+    !defined(GMSL_CAMERA_2) && !defined(GMSL_CAMERA_3)
+#error "At least one camera should be selected"
+#endif
+
+#if defined(GMSL_CAMERA_RDACM20)
+#define GMSL_CAMERA_MODEL "imi,rdacm20"
+#elif defined(GMSL_CAMERA_RDACM21)
+#define GMSL_CAMERA_MODEL "imi,rdacm21"
+#endif
+
+&vin0 {
+	status = "okay";
+};
+
+&vin1 {
+	status = "okay";
+};
+
+&vin2 {
+	status = "okay";
+};
+
+&vin3 {
+	status = "okay";
+};
+
+&gmsl {
+	status = "okay";
+
+#if defined(GMSL_CAMERA_RDACM21)
+	maxim,reverse-channel-microvolt = <100000>;
+#endif
+
+	ports {
+#ifdef GMSL_CAMERA_0
+		port@0 {
+			max9286_in0: endpoint {
+				remote-endpoint = <&fakra_con0>;
+			};
+		};
+#endif
+
+#ifdef GMSL_CAMERA_1
+		port@1 {
+			max9286_in1: endpoint{
+				remote-endpoint = <&fakra_con1>;
+			};
+
+		};
+#endif
+
+#ifdef GMSL_CAMERA_2
+		port@2 {
+			max9286_in2: endpoint {
+				remote-endpoint = <&fakra_con2>;
+			};
+
+		};
+#endif
+
+#ifdef GMSL_CAMERA_3
+		port@3 {
+			max9286_in3: endpoint {
+				remote-endpoint = <&fakra_con3>;
+			};
+
+		};
+#endif
+	};
+
+	i2c-mux {
+#ifdef GMSL_CAMERA_0
+		i2c@0 {
+			status = "okay";
+
+			camera@51 {
+				compatible = GMSL_CAMERA_MODEL;
+				reg = <0x51>, <0x61>;
+
+				port {
+					fakra_con0: endpoint {
+						remote-endpoint = <&max9286_in0>;
+					};
+				};
+			};
+		};
+#endif
+
+#ifdef GMSL_CAMERA_1
+		i2c@1 {
+			status = "okay";
+
+			camera@52 {
+				compatible = GMSL_CAMERA_MODEL;
+				reg = <0x52>, <0x62>;
+
+				port {
+					fakra_con1: endpoint {
+						remote-endpoint = <&max9286_in1>;
+					};
+				};
+			};
+		};
+#endif
+
+#ifdef GMSL_CAMERA_2
+		i2c@2 {
+			status = "okay";
+
+			camera@53 {
+				compatible = GMSL_CAMERA_MODEL;
+				reg = <0x53>, <0x63>;
+
+				port {
+					fakra_con2: endpoint {
+						remote-endpoint = <&max9286_in2>;
+					};
+				};
+			};
+		};
+#endif
+
+#ifdef GMSL_CAMERA_3
+		i2c@3 {
+			status = "okay";
+
+			camera@54 {
+				compatible = GMSL_CAMERA_MODEL;
+				reg = <0x54>, <0x64>;
+
+				port {
+					fakra_con3: endpoint {
+						remote-endpoint = <&max9286_in3>;
+					};
+				};
+			};
+		};
+#endif
+	};
+};
-- 
2.31.1


  parent reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-15 12:25 [PATCH v4 0/7] arm64: dts: renesas: Enable GMSL on R8A77970 V3M Eagle Jacopo Mondi
2021-04-15 12:25 ` [PATCH v4 1/7] dt-bindings: media: max9286: Re-indent example Jacopo Mondi
2021-04-15 14:42   ` Laurent Pinchart
2021-04-15 16:40   ` Rob Herring
2021-04-15 12:25 ` [PATCH v4 2/7] dt-bindings: media: max9286: Define 'maxim,gpio-poc' Jacopo Mondi
2021-04-15 16:53   ` Rob Herring
2021-04-15 12:25 ` [PATCH v4 3/7] media: i2c: max9286: Use "maxim,gpio-poc" property Jacopo Mondi
2021-04-15 19:19   ` Laurent Pinchart
2021-04-18 15:01     ` Jacopo Mondi
2021-04-15 12:25 ` [PATCH v4 4/7] arm64: dts: renesas: r8a77970: Add csi40 port@0 Jacopo Mondi
2021-04-15 14:47   ` Laurent Pinchart
2021-04-15 16:47     ` Geert Uytterhoeven
2021-04-15 19:09       ` Laurent Pinchart
2021-04-15 12:26 ` [PATCH v4 5/7] arm64: dts: renesas: eagle: Enable MAX9286 Jacopo Mondi
2021-04-15 12:26 ` Jacopo Mondi [this message]
2021-04-15 12:26 ` [PATCH v4 7/7] DNI: arm64: dts: renesas: eagle: Include eagle-gmsl Jacopo Mondi

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