arm64: dts: imx8mn-beacon: Add support for OV5640 Camera

The baseboard has a very specific pinout for the TD Next 5640
camera which uses an OV5640 sensor.  Enable it as part of the
deveopment kit baseboard instead of an overlay.

Enable the camera with the following
  media-ctl -l "'ov5640 1-0010':0 -> 'csis-32e30000.mipi-csi':0 [1]"
  media-ctl -v -V "'ov5640 1-0010':0 [fmt:UYVY8_1X16/640x480 field:none]"
  media-ctl -v -V "'crossbar':0 [fmt:UYVY8_1X16/640x480 field:none]"
  media-ctl -v -V "'mxc_isi.0':0 [fmt:UYVY8_1X16/640x480 field:none]"

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
index 9e82069c941fa6ac78f6daeb4168e1e6e001813b..6dce77a6114c242da98c3551686e8452e5ec3ea9 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
@@ -43,6 +43,17 @@
                enable-active-high;
        };
 
+       reg_camera: regulator-camera {
+               compatible = "regulator-fixed";
+               regulator-name = "mipi_pwr";
+               regulator-min-microvolt = <2800000>;
+               regulator-max-microvolt = <2800000>;
+               gpio = <&pca6416_1 0 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+               startup-delay-us = <100000>;
+               regulator-always-on;
+       };
+
        reg_usdhc2_vmmc: regulator-usdhc2 {
                compatible = "regulator-fixed";
                regulator-name = "vsd_3v3";
@@ -96,6 +107,36 @@
        };
 };
 
+&i2c2 {
+       clock-frequency = <384000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c2>;
+       status = "okay";
+
+       camera@10 {
+               compatible = "ovti,ov5640";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_ov5640>;
+               reg = <0x10>;
+               clocks = <&clk IMX8MN_CLK_CLKO1>;
+               clock-names = "xclk";
+               assigned-clocks = <&clk IMX8MN_CLK_CLKO1>;
+               assigned-clock-parents = <&clk IMX8MN_CLK_24M>;
+               assigned-clock-rates = <24000000>;
+               AVDD-supply = <&reg_camera>;  /* 2.8v */
+               powerdown-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
+               reset-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+
+               port {
+                       /* MIPI CSI-2 bus endpoint */
+                       ov5640_to_mipi_csi2: endpoint {
+                               remote-endpoint = <&mipi_csi_in>;
+                               clock-lanes = <0>;
+                               data-lanes = <1 2>;
+                       };
+               };
+       };
+};
 &i2c4 {
        clock-frequency = <400000>;
        pinctrl-names = "default";
@@ -145,11 +186,28 @@
        };
 };
 
+&isi {
+       status = "okay";
+};
+
 &easrc {
        fsl,asrc-rate = <48000>;
        status = "okay";
 };
 
+&mipi_csi {
+       status = "okay";
+
+       ports {
+               port@0 {
+                       mipi_csi_in: endpoint {
+                               remote-endpoint = <&ov5640_to_mipi_csi2>;
+                               data-lanes = <1 2>;
+                       };
+               };
+       };
+};
+
 &sai3 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_sai3>;
@@ -226,6 +284,14 @@
                >;
        };
 
+       pinctrl_ov5640: ov5640grp {
+               fsl,pins = <
+                       MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7               0x19
+                       MX8MN_IOMUXC_GPIO1_IO06_GPIO1_IO6               0x19
+                       MX8MN_IOMUXC_GPIO1_IO14_CCMSRCGPCMIX_CLKO1      0x59
+               >;
+       };
+
        pinctrl_pcal6414: pcal6414-gpiogrp {
                fsl,pins = <
                        MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27               0x19