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overlays: Add vd55g1 and vd65g4 camera sensors overlays
Provide two device trees : vd55g1 is monochrome, while vd65g4 is RGB. Support both cam0 and cam1 interfaces with raspberry pi __overrides__ mechanism. Signed-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
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3 files changed

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‎arch/arm/boot/dts/overlays/Makefile‎

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@@ -346,7 +346,9 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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vc4-kms-v3d-pi4.dtbo \
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vc4-kms-v3d-pi5.dtbo \
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vc4-kms-vga666.dtbo \
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vd55g1.dtbo \
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vd56g3.dtbo \
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vd65g4.dtbo \
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vd66gy.dtbo \
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vec-gpio-pi5.dtbo \
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vga666.dtbo \

‎arch/arm/boot/dts/overlays/vd55g1-overlay.dts‎

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// SPDX-License-Identifier: GPL-2.0-only
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/dts-v1/;
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/plugin/;
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/{
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&i2c0if>;
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__overlay__ {
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status = "okay";
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};
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};
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clk_frag: fragment@1 {
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target = <&cam1_clk>;
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__overlay__ {
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status = "okay";
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clock-frequency = <12000000>;
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};
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};
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fragment@2 {
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target = <&i2c0mux>;
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__overlay__ {
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status = "okay";
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};
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};
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i2c_frag: fragment@100 {
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target = <&i2c_csi_dsi>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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cam_node: vd55g1@10 {
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compatible = "st,vd55g1";
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reg = <0x10>;
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status = "disabled";
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clocks = <&cam1_clk>;
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clock-names = "xclk";
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vana-supply = <&cam1_reg>; /* 2.8v */
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vddio-supply = <&cam_dummy_reg>; /* 1.8v */
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vcore-supply = <&cam_dummy_reg>; /* 1.2v */
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rotation = <0>;
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orientation = <2>;
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st,leds = <2>;
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port {
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cam_endpoint: endpoint {
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clock-lanes = <0>;
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data-lanes = <1>;
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clock-noncontinuous;
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link-frequencies =
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/bits/ 64 <600000000>;
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lane-polarities = <1 1>;
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};
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};
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};
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};
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};
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csi_frag: fragment@101 {
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target = <&csi1>;
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csi: __overlay__ {
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status = "okay";
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port {
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csi_ep: endpoint {
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remote-endpoint = <&cam_endpoint>;
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clock-lanes = <0>;
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data-lanes = <1>;
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clock-noncontinuous;
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};
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};
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};
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};
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fragment@102 {
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target = <&csi1>;
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__dormant__ {
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compatible = "brcm,bcm2835-unicam-legacy";
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};
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};
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__overrides__ {
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rotation = <&cam_node>,"rotation:0";
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orientation = <&cam_node>,"orientation:0";
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media-controller = <0>,"!102";
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cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
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<&csi_frag>, "target:0=",<&csi0>,
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<&clk_frag>, "target:0=",<&cam0_clk>,
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<&cam_node>, "clocks:0=",<&cam0_clk>,
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<&cam_node>, "vana-supply:0=",<&cam0_reg>;
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};
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};
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&cam_node {
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status = "okay";
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};
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&cam_endpoint {
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remote-endpoint = <&csi_ep>;
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};

‎arch/arm/boot/dts/overlays/vd65g4-overlay.dts‎

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// SPDX-License-Identifier: GPL-2.0-only
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/dts-v1/;
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/plugin/;
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/{
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&i2c0if>;
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__overlay__ {
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status = "okay";
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};
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};
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clk_frag: fragment@1 {
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target = <&cam1_clk>;
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__overlay__ {
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status = "okay";
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clock-frequency = <12000000>;
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};
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};
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fragment@2 {
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target = <&i2c0mux>;
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__overlay__ {
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status = "okay";
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};
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};
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i2c_frag: fragment@100 {
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target = <&i2c_csi_dsi>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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cam_node: vd65g4@10 {
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compatible = "st,vd65g4";
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reg = <0x10>;
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status = "disabled";
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clocks = <&cam1_clk>;
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clock-names = "xclk";
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vana-supply = <&cam1_reg>; /* 2.8v */
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vddio-supply = <&cam_dummy_reg>; /* 1.8v */
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vcore-supply = <&cam_dummy_reg>; /* 1.2v */
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rotation = <0>;
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orientation = <2>;
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st,leds = <2>;
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port {
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cam_endpoint: endpoint {
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clock-lanes = <0>;
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data-lanes = <1>;
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clock-noncontinuous;
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link-frequencies =
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/bits/ 64 <600000000>;
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lane-polarities = <1 1>;
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};
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};
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};
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};
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};
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csi_frag: fragment@101 {
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target = <&csi1>;
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csi: __overlay__ {
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status = "okay";
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port {
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csi_ep: endpoint {
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remote-endpoint = <&cam_endpoint>;
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clock-lanes = <0>;
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data-lanes = <1>;
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clock-noncontinuous;
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};
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};
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};
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};
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fragment@102 {
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target = <&csi1>;
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__dormant__ {
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compatible = "brcm,bcm2835-unicam-legacy";
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};
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};
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__overrides__ {
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rotation = <&cam_node>,"rotation:0";
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orientation = <&cam_node>,"orientation:0";
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media-controller = <0>,"!102";
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cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
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<&csi_frag>, "target:0=",<&csi0>,
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<&clk_frag>, "target:0=",<&cam0_clk>,
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<&cam_node>, "clocks:0=",<&cam0_clk>,
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<&cam_node>, "vana-supply:0=",<&cam0_reg>;
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};
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};
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&cam_node {
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status = "okay";
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};
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&cam_endpoint {
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remote-endpoint = <&csi_ep>;
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};

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