linux-kernel - [PATCH 2/3] arm64: dts: renesas: rzg2l-smarc: Add OV5645 node

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Message-Id: <20230216175347.99778-3-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Thu, 16 Feb 2023 17:53:46 +0000
From:   Prabhakar <prabhakar.csengg@...il.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>
Cc:     Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 2/3] arm64: dts: renesas: rzg2l-smarc: Add OV5645 node

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

OV5645 sensor can be connected to the CN1 connector on the
carrier board. This patch adds the ov5645 node under i2c0 node.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 .../boot/dts/renesas/r9a07g044l2-smarc.dts    |  4 ++
 .../boot/dts/renesas/rz-smarc-common.dtsi     | 53 +++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
index bc2af6c92ccd..275e760324f3 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
@@ -6,6 +6,10 @@
  */
 
 /dts-v1/;
+
+/* comment the #define statement if OV5645 is not connected to CN1  */
+#define CAM_INTERFACE_OV5645	1
+
 #include "r9a07g044l2.dtsi"
 #include "rzg2l-smarc-som.dtsi"
 #include "rzg2l-smarc-pinfunction.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi b/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi
index 3962d47b3e59..915ad7e3935d 100644
--- a/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rz-smarc-common.dtsi
@@ -38,6 +38,38 @@ audio_mclock: audio_mclock {
 		clock-frequency = <11289600>;
 	};
 
+#ifdef CAM_INTERFACE_OV5645
+	ov5645_vdddo_1v8: 1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "camera_vdddo";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	ov5645_vdda_2v8: 2p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "camera_vdda";
+		regulator-min-microvolt = <2800000>;
+		regulator-max-microvolt = <2800000>;
+		regulator-always-on;
+	};
+
+	ov5645_vddd_1v5: 1p5v {
+		compatible = "regulator-fixed";
+		regulator-name = "camera_vddd";
+		regulator-min-microvolt = <1500000>;
+		regulator-max-microvolt = <1500000>;
+		regulator-always-on;
+	};
+
+	ov5645_fixed_clk: osc25250_clk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+	};
+#endif
+
 	snd_rzg2l: sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,format = "i2s";
@@ -119,6 +151,27 @@ &i2c0 {
 	pinctrl-names = "default";
 
 	status = "okay";
+
+#ifdef CAM_INTERFACE_OV5645
+	ov5645: camera@3c {
+		compatible = "ovti,ov5645";
+		reg = <0x3c>;
+		clocks = <&ov5645_fixed_clk>;
+		clock-frequency = <24000000>;
+		vdddo-supply = <&ov5645_vdddo_1v8>;
+		vdda-supply = <&ov5645_vdda_2v8>;
+		vddd-supply = <&ov5645_vddd_1v5>;
+		enable-gpios = <&pinctrl RZG2L_GPIO(2, 0) GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&pinctrl RZG2L_GPIO(40, 2) GPIO_ACTIVE_LOW>;
+
+		port {
+			ov5645_ep: endpoint {
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+#endif
 };
 
 &i2c1 {
-- 
2.25.1