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From d8faff7e7581ee3417675e2f64da18ffb831751a Mon Sep 17 00:00:00 2001
From: Lee Jackson <info@arducam.com>
Date: Fri, 27 Aug 2021 14:45:43 +0800
Subject: [PATCH] overlays: Add imx519-overlay.dts
Added overlays for enabling IMX519 and add the
relevant information to the README.
Signed-off-by: Lee Jackson <info@arducam.com>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 11 ++
arch/arm/boot/dts/overlays/imx519-overlay.dts | 115 ++++++++++++++++++
3 files changed, 127 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/imx519-overlay.dts
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -98,6 +98,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
imx290.dtbo \
imx378.dtbo \
imx477.dtbo \
+ imx519.dtbo \
iqaudio-codec.dtbo \
iqaudio-dac.dtbo \
iqaudio-dacplus.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1738,6 +1738,17 @@ Params: rotation Mounting
2 = external, default external)
+Name: imx519
+Info: Sony IMX519 camera module.
+ Uses Unicam 1, which is the standard camera connector on most Pi
+ variants.
+Load: dtoverlay=imx519,<param>=<val>
+Params: rotation Mounting rotation of the camera sensor (0 or
+ 180, default 0)
+ orientation Sensor orientation (0 = front, 1 = rear,
+ 2 = external, default external)
+
+
Name: iqaudio-codec
Info: Configures the IQaudio Codec audio card
Load: dtoverlay=iqaudio-codec
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/imx519-overlay.dts
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Definitions for imx519 camera module on VC I2C bus
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+/{
+ compatible = "brcm,bcm2835";
+
+ fragment@0 {
+ target = <&i2c_csi_dsi>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ imx519: imx519@1a {
+ compatible = "sony,imx519";
+ reg = <0x1a>;
+ status = "okay";
+
+ clocks = <&imx519_clk>;
+ clock-names = "xclk";
+
+ VANA-supply = <&cam1_reg>; /* 2.8v */
+ VDIG-supply = <&imx519_vdig>; /* 1.8v */
+ VDDL-supply = <&imx519_vddl>; /* 1.2v */
+
+ rotation = <0>;
+ orientation = <2>;
+
+ port {
+ imx519_0: endpoint {
+ remote-endpoint = <&csi1_ep>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ clock-noncontinuous;
+ link-frequencies =
+ /bits/ 64 <493500000>;
+ };
+ };
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&csi1>;
+ __overlay__ {
+ status = "okay";
+
+ port{
+ csi1_ep: endpoint{
+ remote-endpoint = <&imx519_0>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ clock-noncontinuous;
+ };
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&i2c0if>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@3 {
+ target-path="/";
+ __overlay__ {
+ imx519_vdig: fixedregulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx519_vdig";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ imx519_vddl: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx519_vddl";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ imx519_clk: camera-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+ };
+ };
+
+ fragment@4 {
+ target = <&i2c0mux>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@5 {
+ target = <&cam1_reg>;
+ __overlay__ {
+ status = "okay";
+ regulator-name = "imx519_vana";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+ };
+
+ __overrides__ {
+ rotation = <&imx519>,"rotation:0";
+ orientation = <&imx519>,"orientation:0";
+ };
+};
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