WARNING:
This patch is only used to demonstrate how the imx219 node is included
in the bcm2711-rpi-4-b device tree, and is not intended to be merged.
Configure the csi1 endpoint, add the imx219 node and connect it through
the i2c mux.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@xxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 1 +
arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi | 102 ++++++++++++++++++++++
2 files changed, 103 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm283x-rpi-imx219.dtsi
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;
+};
+
--
2.32.0
