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157 lines
3.7 KiB
Diff
157 lines
3.7 KiB
Diff
From 738defbb964c5d2a34b08c24ac0e7fd4afb16173 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Thu, 7 May 2020 15:50:04 +0100
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Subject: [PATCH] dtoverlays: Add IMX477 sensor overlay
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Add an overlay for the Sony IMX477 CMOS sensor device.
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Also update overlay README and Makefile.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 8 ++
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arch/arm/boot/dts/overlays/imx477-overlay.dts | 110 ++++++++++++++++++
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3 files changed, 119 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/imx477-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -85,6 +85,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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i2s-gpio28-31.dtbo \
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ilitek251x.dtbo \
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imx219.dtbo \
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+ imx477.dtbo \
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iqaudio-codec.dtbo \
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iqaudio-dac.dtbo \
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iqaudio-dacplus.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -1390,6 +1390,14 @@ Load: dtoverlay=imx219
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Params: <None>
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+Name: imx477
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+Info: Sony IMX477 camera module.
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+ Uses Unicam 1, which is the standard camera connector on most Pi
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+ variants.
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+Load: dtoverlay=imx477
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+Params: <None>
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+
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+
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Name: iqaudio-codec
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Info: Configures the IQaudio Codec audio card
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Load: dtoverlay=iqaudio-codec
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/imx477-overlay.dts
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@@ -0,0 +1,110 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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+// Definitions for IMX477 camera module on VC I2C bus
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+/dts-v1/;
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+/plugin/;
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+
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+#include <dt-bindings/gpio/gpio.h>
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+
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+/{
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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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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+
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+ imx477: imx477@1a {
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+ compatible = "sony,imx477";
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+ reg = <0x1a>;
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+ status = "okay";
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+
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+ clocks = <&imx477_clk>;
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+ clock-names = "xclk";
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+
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+ VANA-supply = <&imx477_vana>; /* 2.8v */
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+ VDIG-supply = <&imx477_vdig>; /* 1.05v */
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+ VDDL-supply = <&imx477_vddl>; /* 1.8v */
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+
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+ port {
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+ imx477_0: endpoint {
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+ remote-endpoint = <&csi1_ep>;
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+ clock-lanes = <0>;
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+ data-lanes = <1 2>;
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+ clock-noncontinuous;
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+ link-frequencies =
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+ /bits/ 64 <450000000>;
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+ };
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+ };
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+ };
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&csi1>;
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+ __overlay__ {
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+ status = "okay";
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+
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+ port {
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+ csi1_ep: endpoint {
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+ remote-endpoint = <&imx477_0>;
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+ };
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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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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+
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+ fragment@3 {
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+ target-path="/";
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+ __overlay__ {
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+ imx477_vana: fixedregulator@0 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "imx477_vana";
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+ regulator-min-microvolt = <2800000>;
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+ regulator-max-microvolt = <2800000>;
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+ gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
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+ enable-active-high;
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+ startup-delay-us = <300000>;
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+ };
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+ imx477_vdig: fixedregulator@1 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "imx477_vdig";
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+ regulator-min-microvolt = <1050000>;
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+ regulator-max-microvolt = <1050000>;
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+ };
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+ imx477_vddl: fixedregulator@2 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "imx477_vddl";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ };
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+ imx477_clk: camera-clk {
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+ compatible = "fixed-clock";
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+ #clock-cells = <0>;
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+ clock-frequency = <24000000>;
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+ };
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+ };
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+ };
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+
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+ fragment@4 {
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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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+
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+ fragment@5 {
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+ target-path="/__overrides__";
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+ __overlay__ {
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+ cam0-pwdn-ctrl = <&imx477_vana>,"gpio:0";
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+ cam0-pwdn = <&imx477_vana>,"gpio:4";
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+ };
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+ };
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+};
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