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From:   Jai Luthra <j-luthra@ti.com>
To:     Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Nishanth Menon <nm@ti.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Tero Kristo <kristo@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
CC:     Jai Luthra <j-luthra@ti.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
        Aradhya Bhatia <a-bhatia1@ti.com>,
        Devarsh Thakkar <devarsht@ti.com>,
        Vaishnav Achath <vaishnav.a@ti.com>,
        Julien Massot <julien.massot@collabora.com>,
        Martyn Welch <martyn.welch@collabora.com>,
        Matthias Schiffer <matthias.schiffer@ew.tq-group.com>,
        Andrew Davis <afd@ti.com>
Subject: [PATCH RESEND v3 4/9] arm64: dts: ti: k3-am625-beagleplay: Add overlays for OV5640
Date:   Fri, 1 Dec 2023 10:39:19 +0530
Message-ID: <20231201-csi_dts-v3-4-9f06f31080fe@ti.com>
In-Reply-To: <20231201-csi_dts-v3-0-9f06f31080fe@ti.com>
References: <20231201-csi_dts-v3-0-9f06f31080fe@ti.com>
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Precedence: bulk

Three different OV5640 modules are supported using the FFC connector on=0D
BeaglePlay:=0D
- Digilent PCam 5C=0D
- ALINX AN5641=0D
- TEVI-OV5640-*-RPI=0D
=0D
The Digilent and ALINX modules supply a 12Mhz XCLK to the sensor, while=0D
the TEVI module supplies a 24Mhz XCLK, thus requiring a separate=0D
overlay.=0D
=0D
Reviewed-by: Andrew Davis <afd@ti.com>=0D
Signed-off-by: Jai Luthra <j-luthra@ti.com>=0D
---=0D
 arch/arm64/boot/dts/ti/Makefile                    | 11 ++++=0D
 .../dts/ti/k3-am625-beagleplay-csi2-ov5640.dtso    | 77 ++++++++++++++++++=
++++=0D
 .../ti/k3-am625-beagleplay-csi2-tevi-ov5640.dtso   | 77 ++++++++++++++++++=
++++=0D
 3 files changed, 165 insertions(+)=0D
=0D
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef=
ile=0D
index 77a347f9f47d..c6c7825b4cb2 100644=0D
--- a/arch/arm64/boot/dts/ti/Makefile=0D
+++ b/arch/arm64/boot/dts/ti/Makefile=0D
@@ -12,6 +12,8 @@=0D
 k3-am625-sk-hdmi-audio-dtbs :=3D k3-am625-sk.dtb k3-am62x-sk-hdmi-audio.dt=
bo=0D
 k3-am62-lp-sk-hdmi-audio-dtbs :=3D k3-am62-lp-sk.dtb k3-am62x-sk-hdmi-audi=
o.dtbo=0D
 dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay.dtb=0D
+dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay-csi2-ov5640.dtbo
+dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay-csi2-tevi-ov5640.dtbo
 dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-phyboard-lyra-rdk.dtb=0D
 dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-sk.dtb=0D
 dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-verdin-nonwifi-dahlia.dtb=0D
@@ -80,7 +82,16 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-j721s2-evm.dtb=0D
 dtb-$(CONFIG_ARCH_K3) +=3D k3-am69-sk.dtb=0D
 dtb-$(CONFIG_ARCH_K3) +=3D k3-j784s4-evm.dtb=0D
 =0D
+# Build time test only, enabled by CONFIG_OF_ALL_DTBS
+k3-am625-beagleplay-csi2-ov5640-dtbs :=3D k3-am625-beagleplay.dtb \
+	k3-am625-beagleplay-csi2-ov5640.dtbo
+k3-am625-beagleplay-csi2-tevi-ov5640-dtbs :=3D k3-am625-beagleplay.dtb \
+	k3-am625-beagleplay-csi2-tevi-ov5640.dtbo
+dtb- +=3D k3-am625-beagleplay-csi2-ov5640.dtb \
+	k3-am625-beagleplay-csi2-tevi-ov5640.dtb
+
 # Enable support for device-tree overlays=0D
+DTC_FLAGS_k3-am625-beagleplay +=3D -@
 DTC_FLAGS_k3-am625-sk +=3D -@=0D
 DTC_FLAGS_k3-am62-lp-sk +=3D -@=0D
 DTC_FLAGS_k3-am6548-iot2050-advanced-m2 +=3D -@=0D
diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay-csi2-ov5640.dtso b/=
arch/arm64/boot/dts/ti/k3-am625-beagleplay-csi2-ov5640.dtso=0D
new file mode 100644=0D
index 000000000000..5e80ca7033ba=0D
--- /dev/null=0D
+++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-csi2-ov5640.dtso=0D
@@ -0,0 +1,77 @@=0D
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ALINX AN5641 & Digilent PCam 5C - OV5640 camera module
+ * Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti=
.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	clk_ov5640_fixed: ov5640-xclk {
+		compatible =3D "fixed-clock";
+		#clock-cells =3D <0>;
+		clock-frequency =3D <12000000>;
+	};
+};
+
+&main_gpio0 {
+	p11-hog {
+		/* P11 - CSI2_CAMERA_GPIO1 */
+		gpio-hog;
+		gpios =3D <11 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name =3D "CSI2_CAMERA_GPIO1";
+	};
+};
+
+&wkup_i2c0 {
+	#address-cells =3D <1>;
+	#size-cells =3D <0>;
+	status =3D "okay";
+
+	ov5640: camera@3c {
+		compatible =3D "ovti,ov5640";
+		reg =3D <0x3c>;
+
+		clocks =3D <&clk_ov5640_fixed>;
+		clock-names =3D "xclk";
+
+		port {
+			csi2_cam0: endpoint {
+				remote-endpoint =3D <&csi2rx0_in_sensor>;
+				clock-lanes =3D <0>;
+				data-lanes =3D <1 2>;
+			};
+		};
+	};
+};
+
+&cdns_csi2rx0 {
+	ports {
+		#address-cells =3D <1>;
+		#size-cells =3D <0>;
+
+		csi0_port0: port@0 {
+			reg =3D <0>;
+			status =3D "okay";
+
+			csi2rx0_in_sensor: endpoint {
+				remote-endpoint =3D <&csi2_cam0>;
+				bus-type =3D <4>; /* CSI2 DPHY. */
+				clock-lanes =3D <0>;
+				data-lanes =3D <1 2>;
+			};
+		};
+	};
+};
+
+&dphy0 {
+	status =3D "okay";
+};
+
+&ti_csi2rx0 {
+	status =3D "okay";
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay-csi2-tevi-ov5640.dt=
so b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-csi2-tevi-ov5640.dtso=0D
new file mode 100644=0D
index 000000000000..5e1cbbc27c8f=0D
--- /dev/null=0D
+++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-csi2-tevi-ov5640.dtso=0D
@@ -0,0 +1,77 @@=0D
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Technexion TEVI-OV5640-*-RPI - OV5640 camera module
+ * Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti=
.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	clk_ov5640_fixed: ov5640-xclk {
+		compatible =3D "fixed-clock";
+		#clock-cells =3D <0>;
+		clock-frequency =3D <24000000>;
+	};
+};
+
+&main_gpio0 {
+	p11-hog {
+		/* P11 - CSI2_CAMERA_GPIO1 */
+		gpio-hog;
+		gpios =3D <11 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name =3D "CSI2_CAMERA_GPIO1";
+	};
+};
+
+&wkup_i2c0 {
+	#address-cells =3D <1>;
+	#size-cells =3D <0>;
+	status =3D "okay";
+
+	ov5640: camera@3c {
+		compatible =3D "ovti,ov5640";
+		reg =3D <0x3c>;
+
+		clocks =3D <&clk_ov5640_fixed>;
+		clock-names =3D "xclk";
+
+		port {
+			csi2_cam0: endpoint {
+				remote-endpoint =3D <&csi2rx0_in_sensor>;
+				clock-lanes =3D <0>;
+				data-lanes =3D <1 2>;
+			};
+		};
+	};
+};
+
+&cdns_csi2rx0 {
+	ports {
+		#address-cells =3D <1>;
+		#size-cells =3D <0>;
+
+		csi0_port0: port@0 {
+			reg =3D <0>;
+			status =3D "okay";
+
+			csi2rx0_in_sensor: endpoint {
+				remote-endpoint =3D <&csi2_cam0>;
+				bus-type =3D <4>; /* CSI2 DPHY. */
+				clock-lanes =3D <0>;
+				data-lanes =3D <1 2>;
+			};
+		};
+	};
+};
+
+&dphy0 {
+	status =3D "okay";
+};
+
+&ti_csi2rx0 {
+	status =3D "okay";
+};
=0D
-- =0D
2.42.1=0D
=0D