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From 57250281004e141dff4662d1abb3f31982ec01ee Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 19 May 2020 13:35:17 +0100
Subject: [PATCH] dtoverlays: Add an overlay for the Sony IMX290
image sensor
Adds an overlay to configure the IMX290 image sensor.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 16 ++
arch/arm/boot/dts/overlays/imx290-overlay.dts | 32 ++++
.../boot/dts/overlays/imx290_327-overlay.dtsi | 145 ++++++++++++++++++
4 files changed, 194 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/imx290-overlay.dts
create mode 100644 arch/arm/boot/dts/overlays/imx290_327-overlay.dtsi
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -85,6 +85,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
i2s-gpio28-31.dtbo \
ilitek251x.dtbo \
imx219.dtbo \
+ imx290.dtbo \
imx477.dtbo \
iqaudio-codec.dtbo \
iqaudio-dac.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1430,6 +1430,22 @@ Load: dtoverlay=imx219
Params: <None>
+Name: imx290
+Info: Sony IMX290 camera module.
+ Uses Unicam 1, which is the standard camera connector on most Pi
+ variants. NB This currently uses 4 CSI2 data lanes and therefore will
+ only work on a CM.
+Load: dtoverlay=imx290,<param>
+Params: 4lane Enable 4 CSI2 lanes. This requires a Compute
+ Module (1, 3, or 4).
+ clock-frequency Sets the clock frequency to match that used on
+ the board.
+ Modules from Vision Components use 37.125MHz
+ (the default), whilst those from Innomaker use
+ 74.25MHz.
+ mono Denote that the module is a mono sensor.
+
+
Name: imx477
Info: Sony IMX477 camera module.
Uses Unicam 1, which is the standard camera connector on most Pi
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/imx290-overlay.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Definitions for IMX290 camera module on VC I2C bus
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "imx290_327-overlay.dtsi"
+
+/{
+ compatible = "brcm,bcm2835";
+
+ // Fragment numbers deliberately high to avoid conflicts with the
+ // included imx290_327 overlay file.
+
+ fragment@101 {
+ target = <&imx290>;
+ __overlay__ {
+ compatible = "sony,imx290";
+ };
+ };
+
+ fragment@102 {
+ target = <&imx290>;
+ __dormant__ {
+ compatible = "sony,imx290-mono";
+ };
+ };
+
+ __overrides__ {
+ mono = <0>, "-101+102";
+ };
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/imx290_327-overlay.dtsi
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Partial definitions for IMX290 or IMX327 camera module on VC I2C bus
+// The compatible string should be set in an overlay that then includes this one
+/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";
+
+ imx290: imx290@1a {
+ reg = <0x1a>;
+ status = "okay";
+
+ clocks = <&imx290_clk>;
+ clock-names = "xclk";
+ clock-frequency = <37125000>;
+
+ vdda-supply = <&imx290_vdda>; /* 2.8v */
+ vdddo-supply = <&imx290_vdddo>; /* 1.8v */
+ vddd-supply = <&imx290_vddd>; /* 1.5v */
+
+ port {
+ imx290_0: endpoint {
+ remote-endpoint = <&csi1_ep>;
+ clock-lanes = <0>;
+ };
+ };
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&csi1>;
+ __overlay__ {
+ status = "okay";
+
+ port {
+ csi1_ep: endpoint {
+ remote-endpoint = <&imx290_0>;
+ };
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&i2c0if>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@3 {
+ target-path="/";
+ __overlay__ {
+ imx290_vdda: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx290_vdda";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+ imx290_vdddo: fixedregulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx290_vdddo";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ imx290_vddd: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx290_vddd";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ };
+
+ imx290_clk: camera-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <37125000>;
+ };
+ };
+ };
+
+ fragment@4 {
+ target = <&i2c0mux>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@5 {
+ target-path="/__overrides__";
+ __overlay__ {
+ cam0-pwdn-ctrl = <&imx290_vdda>,"gpio:0";
+ cam0-pwdn = <&imx290_vdda>,"gpio:4";
+ };
+ };
+
+ fragment@6 {
+ target = <&imx290_0>;
+ __overlay__ {
+ data-lanes = <1 2>;
+ link-frequencies =
+ /bits/ 64 <445500000 297000000>;
+ };
+ };
+
+ fragment@7 {
+ target = <&imx290_0>;
+ __dormant__ {
+ data-lanes = <1 2 3 4>;
+ link-frequencies =
+ /bits/ 64 <222750000 148500000>;
+ };
+ };
+
+ fragment@8 {
+ target = <&csi1_ep>;
+ __overlay__ {
+ data-lanes = <1 2>;
+ };
+ };
+
+ fragment@9 {
+ target = <&csi1_ep>;
+ __dormant__ {
+ data-lanes = <1 2 3 4>;
+ };
+ };
+
+ __overrides__ {
+ 4lane = <0>, "-6+7-8+9";
+ clock-frequency = <&imx290_clk>,"clock-frequency:0",
+ <&imx290>,"clock-frequency:0";
+ };
+};
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