diff mbox series

[RFC,v2,7/7] media: bcm283x: Include the imx219 node

Message ID 20220121081810.155500-8-jeanmichel.hautbois@ideasonboard.com
State Superseded
Headers show
Series Add support for BCM2835 camera interface (unicam) | expand

Commit Message

Jean-Michel Hautbois Jan. 21, 2022, 8:18 a.m. UTC 
Configure the csi1 endpoint, add the imx219 node and connect it through
the i2c mux.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
---
 MAINTAINERS                               |   1 +
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts     |   1 +
 arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi | 102 ++++++++++++++++++++++
 3 files changed, 104 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi

Comments

Laurent Pinchart Jan. 21, 2022, 11:30 p.m. UTC | #1 
Hi Jean-Michel,

Thank you for the patch.

On Fri, Jan 21, 2022 at 09:18:10AM +0100, Jean-Michel Hautbois wrote:
> Configure the csi1 endpoint, add the imx219 node and connect it through
> the i2c mux.

This is not meant to be upstreamed, is it ? Please say so very loudly in
the commit message.

> Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
> ---
>  MAINTAINERS                               |   1 +
>  arch/arm/boot/dts/bcm2711-rpi-4-b.dts     |   1 +
>  arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi | 102 ++++++++++++++++++++++
>  3 files changed, 104 insertions(+)
>  create mode 100644 arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index b17bb533e007..56544ac98d69 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3684,6 +3684,7 @@ M:	Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
>  L:	linux-media@vger.kernel.org
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/media/brcm,bcm2835-unicam.yaml
> +F:	arch/arm/boot/dts/bcm283x*
>  F:	drivers/media/platform/bcm2835/
>  
>  BROADCOM BCM47XX MIPS ARCHITECTURE
> diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> index 4432412044de..f7625b70fe57 100644
> --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> @@ -4,6 +4,7 @@
>  #include "bcm2711-rpi.dtsi"
>  #include "bcm283x-rpi-usb-peripheral.dtsi"
>  #include "bcm283x-rpi-wifi-bt.dtsi"
> +#include "bcm283x-rpi-imx219.dtsi"

Let's use an overlay instead.

>  
>  / {
>  	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
> diff --git a/arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi b/arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi
> new file mode 100644
> index 000000000000..f2c6a85fd731
> --- /dev/null
> +++ b/arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi
> @@ -0,0 +1,102 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#include <dt-bindings/clock/bcm2835.h>
> +
> +/ {
> +	compatible = "brcm,bcm2835";
> +
> +	imx219_vdig: fixedregulator@1 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "imx219_vdig";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +	};
> +
> +	imx219_vddl: fixedregulator@2 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "imx219_vddl";
> +		regulator-min-microvolt = <1200000>;
> +		regulator-max-microvolt = <1200000>;
> +	};
> +
> +	imx219_clk: imx219_clk {
> +		#clock-cells = <0>;
> +		compatible = "fixed-clock";
> +		clock-frequency = <24000000>;
> +		clock-output-names = "24MHz-clock";
> +	};
> +
> +	cam1_reg: cam1_reg {
> +		compatible = "regulator-fixed";
> +		regulator-name = "imx219_vana";
> +		enable-active-high;
> +		status = "okay";
> +		gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
> +	};

This regulator belongs to the board dtsi. Same for the I2C mux below
(but not the imx219 of course).

> +
> +	i2c0mux {
> +		compatible = "i2c-mux-pinctrl";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		i2c-parent = <&i2c0>;
> +
> +		pinctrl-names = "i2c0", "i2c_csi_dsi";
> +		pinctrl-0 = <&i2c0_gpio0>;
> +		pinctrl-1 = <&i2c0_gpio44>;
> +
> +		i2c@0 {
> +			reg = <0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
> +		i2c@1 {
> +			reg = <1>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			imx219: sensor@10 {
> +				compatible = "sony,imx219";
> +				reg = <0x10>;
> +				status = "okay";
> +
> +				clocks = <&imx219_clk>;
> +				clock-names = "xclk";
> +
> +				VANA-supply = <&cam1_reg>;   /* 2.8v */
> +				VDIG-supply = <&imx219_vdig>;   /* 1.8v */
> +				VDDL-supply = <&imx219_vddl>;   /* 1.2v */
> +
> +				rotation = <0>;
> +				orientation = <0>;
> +
> +				port {
> +					imx219_0: endpoint {
> +						remote-endpoint = <&csi1_ep>;
> +						clock-lanes = <0>;
> +						data-lanes = <1 2>;
> +						clock-noncontinuous;
> +						link-frequencies = /bits/ 64 <456000000>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&csi1 {
> +	status="okay";
> +	num-data-lanes = <2>;
> +	port {
> +		csi1_ep: endpoint {
> +			remote-endpoint = <&imx219_0>;
> +			data-lanes = <1 2>;
> +			clock-lanes = <0>;
> +		};
> +	};
> +};
> +
> +&i2c0 {
> +	/delete-property/ pinctrl-names;
> +	/delete-property/ pinctrl-0;
> +};
> +
diff mbox series

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index b17bb533e007..56544ac98d69 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3684,6 +3684,7 @@  M:	Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
 L:	linux-media@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/media/brcm,bcm2835-unicam.yaml
+F:	arch/arm/boot/dts/bcm283x*
 F:	drivers/media/platform/bcm2835/
 
 BROADCOM BCM47XX MIPS ARCHITECTURE
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 4432412044de..f7625b70fe57 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -4,6 +4,7 @@ 
 #include "bcm2711-rpi.dtsi"
 #include "bcm283x-rpi-usb-peripheral.dtsi"
 #include "bcm283x-rpi-wifi-bt.dtsi"
+#include "bcm283x-rpi-imx219.dtsi"
 
 / {
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
diff --git a/arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi b/arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi
new file mode 100644
index 000000000000..f2c6a85fd731
--- /dev/null
+++ b/arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi
@@ -0,0 +1,102 @@ 
+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/bcm2835.h>
+
+/ {
+	compatible = "brcm,bcm2835";
+
+	imx219_vdig: fixedregulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "imx219_vdig";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	imx219_vddl: fixedregulator@2 {
+		compatible = "regulator-fixed";
+		regulator-name = "imx219_vddl";
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+	};
+
+	imx219_clk: imx219_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "24MHz-clock";
+	};
+
+	cam1_reg: cam1_reg {
+		compatible = "regulator-fixed";
+		regulator-name = "imx219_vana";
+		enable-active-high;
+		status = "okay";
+		gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
+	};
+
+	i2c0mux {
+		compatible = "i2c-mux-pinctrl";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c-parent = <&i2c0>;
+
+		pinctrl-names = "i2c0", "i2c_csi_dsi";
+		pinctrl-0 = <&i2c0_gpio0>;
+		pinctrl-1 = <&i2c0_gpio44>;
+
+		i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			imx219: sensor@10 {
+				compatible = "sony,imx219";
+				reg = <0x10>;
+				status = "okay";
+
+				clocks = <&imx219_clk>;
+				clock-names = "xclk";
+
+				VANA-supply = <&cam1_reg>;   /* 2.8v */
+				VDIG-supply = <&imx219_vdig>;   /* 1.8v */
+				VDDL-supply = <&imx219_vddl>;   /* 1.2v */
+
+				rotation = <0>;
+				orientation = <0>;
+
+				port {
+					imx219_0: endpoint {
+						remote-endpoint = <&csi1_ep>;
+						clock-lanes = <0>;
+						data-lanes = <1 2>;
+						clock-noncontinuous;
+						link-frequencies = /bits/ 64 <456000000>;
+					};
+				};
+			};
+		};
+	};
+};
+
+&csi1 {
+	status="okay";
+	num-data-lanes = <2>;
+	port {
+		csi1_ep: endpoint {
+			remote-endpoint = <&imx219_0>;
+			data-lanes = <1 2>;
+			clock-lanes = <0>;
+		};
+	};
+};
+
+&i2c0 {
+	/delete-property/ pinctrl-names;
+	/delete-property/ pinctrl-0;
+};
+