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 v2 3/4] arm64: dts: renesas: eagle: Add GMSL .dtsi
Date: Mon, 15 Mar 2021 17:30:27 +0100 [thread overview]
Message-ID: <20210315163028.173148-4-jacopo+renesas@jmondi.org> (raw)
In-Reply-To: <20210315163028.173148-1-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 | 186 ++++++++++++++++++++
1 file changed, 186 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..ec3e7493aa71
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/eagle-gmsl.dtsi
@@ -0,0 +1,186 @@
+// 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:
+ * "imi,rdacm20"
+ * "imi,rdacm21"
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/*
+ * Select which cameras are in use:
+ * #define EAGLE_CAMERA0_RDACM20
+ * #define EAGLE_CAMERA0_RDACM21
+ *
+ * The two camera modules are configured with different image formats
+ * and cannot be mixed.
+ */
+#define EAGLE_CAMERA0_RDACM20
+#define EAGLE_CAMERA1_RDACM20
+#define EAGLE_CAMERA2_RDACM20
+#define EAGLE_CAMERA3_RDACM20
+
+/* Set the compatible string based on the camera model. */
+#if defined(EAGLE_CAMERA0_RDACM21) || defined(EAGLE_CAMERA1_RDACM21) || \
+ defined(EAGLE_CAMERA2_RDACM21) || defined(EAGLE_CAMERA3_RDACM21)
+#define EAGLE_CAMERA_MODEL "imi,rdacm21"
+#define EAGLE_USE_RDACM21
+#elif defined(EAGLE_CAMERA0_RDACM20) || defined(EAGLE_CAMERA1_RDACM20) || \
+ defined(EAGLE_CAMERA2_RDACM20) || defined(EAGLE_CAMERA3_RDACM20)
+#define EAGLE_CAMERA_MODEL "imi,rdacm20"
+#define EAGLE_USE_RDACM20
+#endif
+
+/* Define which cameras are available. */
+#if defined(EAGLE_CAMERA0_RDACM21) || defined(EAGLE_CAMERA0_RDACM20)
+#define EAGLE_USE_CAMERA_0
+#endif
+
+#if defined(EAGLE_CAMERA1_RDACM21) || defined(EAGLE_CAMERA1_RDACM20)
+#define EAGLE_USE_CAMERA_1
+#endif
+
+#if defined(EAGLE_CAMERA2_RDACM21) || defined(EAGLE_CAMERA2_RDACM20)
+#define EAGLE_USE_CAMERA_2
+#endif
+
+#if defined(EAGLE_CAMERA3_RDACM21) || defined(EAGLE_CAMERA3_RDACM20)
+#define EAGLE_USE_CAMERA_3
+#endif
+
+/* Define the endpoint links. */
+#ifdef EAGLE_USE_CAMERA_0
+&max9286_in0 {
+ remote-endpoint = <&fakra_con0>;
+};
+#endif
+
+#ifdef EAGLE_USE_CAMERA_1
+&max9286_in1 {
+ remote-endpoint = <&fakra_con1>;
+};
+#endif
+
+#ifdef EAGLE_USE_CAMERA_2
+&max9286_in2 {
+ remote-endpoint = <&fakra_con2>;
+};
+#endif
+
+#ifdef EAGLE_USE_CAMERA_3
+&max9286_in3 {
+ remote-endpoint = <&fakra_con3>;
+};
+#endif
+
+/* Populate the GMSL i2c-mux bus with camera nodes. */
+#if defined(EAGLE_USE_RDACM21) || defined(EAGLE_USE_RDACM20)
+
+#ifdef EAGLE_USE_CAMERA_0
+&vin0 {
+ status = "okay";
+};
+#endif
+
+#ifdef EAGLE_USE_CAMERA_1
+&vin1 {
+ status = "okay";
+};
+#endif
+
+#ifdef EAGLE_USE_CAMERA_2
+&vin2 {
+ status = "okay";
+};
+#endif
+
+#ifdef EAGLE_USE_CAMERA_3
+&vin3 {
+ status = "okay";
+};
+#endif
+
+&gmsl {
+
+ status = "okay";
+ maxim,reverse-channel-microvolt = <100000>;
+
+ i2c-mux {
+#ifdef EAGLE_USE_CAMERA_0
+ i2c@0 {
+ status = "okay";
+
+ camera@51 {
+ compatible = EAGLE_CAMERA_MODEL;
+ reg = <0x51>, <0x61>;
+
+ port {
+ fakra_con0: endpoint {
+ remote-endpoint = <&max9286_in0>;
+ };
+ };
+ };
+ };
+#endif
+
+#ifdef EAGLE_USE_CAMERA_1
+ i2c@1 {
+ status = "okay";
+
+ camera@52 {
+ compatible = EAGLE_CAMERA_MODEL;
+ reg = <0x52>, <0x62>;
+
+ port {
+ fakra_con1: endpoint {
+ remote-endpoint = <&max9286_in1>;
+ };
+ };
+ };
+ };
+#endif
+
+#ifdef EAGLE_USE_CAMERA_2
+ i2c@2 {
+ status = "okay";
+
+ camera@53 {
+ compatible = EAGLE_CAMERA_MODEL;
+ reg = <0x53>, <0x63>;
+
+ port {
+ fakra_con2: endpoint {
+ remote-endpoint = <&max9286_in2>;
+ };
+ };
+ };
+ };
+#endif
+
+#ifdef EAGLE_USE_CAMERA_3
+ i2c@3 {
+ status = "okay";
+
+ camera@54 {
+ compatible = EAGLE_CAMERA_MODEL;
+ reg = <0x54>, <0x64>;
+
+ port {
+ fakra_con3: endpoint {
+ remote-endpoint = <&max9286_in3>;
+ };
+ };
+ };
+ };
+#endif
+ };
+};
+#endif
--
2.30.0
next prev parent reply other threads:[~2021-03-15 16:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-15 16:30 [PATCH v2 0/4] arm64: dts: renesas: Enable GMSL on R8A77970 V3M Eagle Jacopo Mondi
2021-03-15 16:30 ` [PATCH v2 1/4] dt-bindings: media: max9286: Describe gpio-hog Jacopo Mondi
2021-03-15 22:15 ` Laurent Pinchart
2021-03-17 10:14 ` Jacopo Mondi
2021-03-17 11:06 ` Laurent Pinchart
2021-03-15 16:30 ` [PATCH v2 2/4] arm64: dts: renesas: eagle: Enable MAX9286 Jacopo Mondi
2021-03-15 22:22 ` Laurent Pinchart
2021-03-15 16:30 ` Jacopo Mondi [this message]
2021-03-15 22:29 ` [PATCH v2 3/4] arm64: dts: renesas: eagle: Add GMSL .dtsi Laurent Pinchart
2021-03-15 16:30 ` [PATCH v2 4/4] arm64: dts: renesas: eagle: Include eagle-gmsl Jacopo Mondi
2021-03-15 22:30 ` Laurent Pinchart
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