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538a1d740c
The patches were generated from the RPi repo with the following command: git format-patch v6.6.58..rpi-6.6.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
390 lines
9.4 KiB
Diff
390 lines
9.4 KiB
Diff
From 4113b1097fe40ff3a64ee7a9ade7c258e9ecdb5b Mon Sep 17 00:00:00 2001
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From: Richard Oliver <richard.oliver@raspberrypi.com>
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Date: Mon, 3 Jun 2024 14:10:27 +0100
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Subject: [PATCH 1248/1350] dts: Add 'AI Camera' support
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The AI Camera combines an IMX500 and a RP2040 GPIO bridge on a single
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module. The Raspberry Pi camera regulator is used for both IMX500 and
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RP2040. SPI, clocks, and reset (required by IMX500) are provided by the
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RP2040 GPIO bridge.
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Signed-off-by: Richard Oliver <richard.oliver@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 2 +
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arch/arm/boot/dts/overlays/README | 21 +++
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arch/arm/boot/dts/overlays/imx500-overlay.dts | 119 +++++++++++++++++
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.../boot/dts/overlays/imx500-pi5-overlay.dts | 124 ++++++++++++++++++
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arch/arm/boot/dts/overlays/imx500.dtsi | 28 ++++
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arch/arm/boot/dts/overlays/overlay_map.dts | 10 ++
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.../dts/overlays/rpi-rp2040-gpio-bridge.dtsi | 21 +++
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7 files changed, 325 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/imx500-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/imx500-pi5-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/imx500.dtsi
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create mode 100644 arch/arm/boot/dts/overlays/rpi-rp2040-gpio-bridge.dtsi
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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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@@ -136,6 +136,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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imx378.dtbo \
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imx462.dtbo \
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imx477.dtbo \
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+ imx500.dtbo \
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+ imx500-pi5.dtbo \
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imx519.dtbo \
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imx708.dtbo \
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interludeaudio-analog.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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@@ -2818,6 +2818,27 @@ Params: rotation Mounting
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sync-sink Configure as vsync sink
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+Name: imx500
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+Info: Sony IMX500 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=imx500,<param>=<val>
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+Params: rotation Mounting rotation of the camera sensor (0 or
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+ 180, default 0)
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+ orientation Sensor orientation (0 = front, 1 = rear,
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+ 2 = external, default external)
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+ media-controller Configure use of Media Controller API for
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+ configuring the sensor (default on)
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+ cam0 Adopt the default configuration for CAM0 on a
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+ Compute Module (CSI0, i2c_vc, and cam0_reg).
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+ bypass-cache Do save blocks of data to flash when using
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+ rp2040-gpio-bridge for SPI transfers.
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+
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+
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+Name: imx500-pi5
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+Info: See imx500 (this is the Pi 5 version)
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+
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+
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Name: imx519
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Info: Sony IMX519 camera module.
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Uses Unicam 1, which is the standard camera connector on most Pi
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/imx500-overlay.dts
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@@ -0,0 +1,119 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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+// Definitions for IMX500 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 = <&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@1 {
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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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+ reg_frag: fragment@2 {
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+ target = <&cam1_reg>;
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+ cam_reg: __overlay__ {
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+ startup-delay-us = <300000>;
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+ };
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+ };
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+
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+ i2c_frag: fragment@100 {
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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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+ #include "imx500.dtsi"
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+ #include "rpi-rp2040-gpio-bridge.dtsi"
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+ };
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+ };
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+
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+ csi_frag: fragment@101 {
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+ target = <&csi1>;
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+ csi: __overlay__ {
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+ status = "okay";
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+ brcm,media-controller;
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+
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+ port {
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+ csi_ep: endpoint {
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+ remote-endpoint = <&cam_endpoint>;
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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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+ };
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+ };
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+ };
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+ };
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+
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+ spi_frag: fragment@102 {
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+ target = <&spi_bridgedev0>;
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+ __overlay__ {
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+ compatible = "sony,imx500";
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+ };
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+ };
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+
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+ chosen_frag: fragment@103 {
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+ target = <&chosen>;
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+ __overlay__ {
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+ core_freq_fixed;
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+ };
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+ };
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+
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+ clocks_frag: fragment@104 {
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+ target-path = "/clocks";
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+ __overlay__ {
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+ clk_aicam: clk-aicam {
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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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+ clk_aicam_gated: clk-aicam-gated {
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+ compatible = "gpio-gate-clock";
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+ clocks = <&clk_aicam>;
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+ #clock-cells = <0>;
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+ enable-gpios = <&spi_bridge 21 GPIO_ACTIVE_HIGH>;
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+ };
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+ };
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+ };
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+
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+ __overrides__ {
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+ rotation = <&cam_node>,"rotation:0";
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+ orientation = <&cam_node>,"orientation:0";
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+ media-controller = <&csi>,"brcm,media-controller?";
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+ cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
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+ <&csi_frag>, "target:0=",<&csi0>,
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+ <&spi_bridge>, "power-supply:0=",<&cam0_reg>,
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+ <®_frag>, "target:0=",<&cam0_reg>,
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+ <&cam_node>, "VANA-supply:0=",<&cam0_reg>;
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+ bypass-cache = <&spi_bridge>,"bypass-cache?";
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+ };
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+};
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+
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+&cam_node {
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+ status = "okay";
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+ reset-gpios = <&spi_bridge 20 GPIO_ACTIVE_HIGH>;
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+ clocks = <&clk_aicam_gated>;
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+ spi = <&spi_bridgedev0>;
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+};
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+
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+&spi_bridge {
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+ status = "okay";
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+};
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+
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+&cam_endpoint {
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+ remote-endpoint = <&csi_ep>;
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/imx500-pi5-overlay.dts
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@@ -0,0 +1,124 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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+// Definitions for IMX500 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,bcm2712";
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+
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+ fragment@0 {
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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@1 {
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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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+ reg_frag: fragment@2 {
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+ target = <&cam1_reg>;
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+ cam_reg: __overlay__ {
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+ startup-delay-us = <300000>;
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+ };
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+ };
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+
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+ i2c_frag: fragment@100 {
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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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+ #include "imx500.dtsi"
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+ #include "rpi-rp2040-gpio-bridge.dtsi"
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+ };
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+ };
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+
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+ csi_frag: fragment@101 {
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+ target = <&csi1>;
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+ csi: __overlay__ {
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+ status = "okay";
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+ brcm,media-controller;
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+
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+ port {
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+ csi_ep: endpoint {
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+ remote-endpoint = <&cam_endpoint>;
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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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+ };
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+ };
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+ };
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+ };
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+
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+ spi_frag: fragment@102 {
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+ target = <&spi_bridge>;
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+ spi_frag_overlay: __overlay__ {
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+ fast_xfer_requires_i2c_lock = <1>;
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+ fast_xfer_recv_gpio_base = <11>;
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+ fast_xfer-gpios = <&rp1_gpio 40 0>, // CD1_SDA (used as data)
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+ <&rp1_gpio 48 0>; // CD1_IO1_MICDAT1 (clock)
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+ };
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+ };
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+
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+ spi_bridge_frag: fragment@103 {
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+ target = <&spi_bridgedev0>;
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+ __overlay__ {
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+ compatible = "sony,imx500";
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+ };
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+ };
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+
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+ clocks_frag: fragment@104 {
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+ target-path = "/clocks";
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+ __overlay__ {
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+ clk_aicam: clk-aicam {
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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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+ clk_aicam_gated: clk-aicam-gated {
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+ compatible = "gpio-gate-clock";
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+ clocks = <&clk_aicam>;
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+ #clock-cells = <0>;
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+ enable-gpios = <&spi_bridge 21 GPIO_ACTIVE_HIGH>;
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+ };
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+ };
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+ };
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+
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+ __overrides__ {
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+ rotation = <&cam_node>,"rotation:0";
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+ orientation = <&cam_node>,"orientation:0";
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+ media-controller = <&csi>,"brcm,media-controller?";
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+ cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
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+ <&csi_frag>, "target:0=",<&csi0>,
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+ <&spi_frag_overlay>, "fast_xfer-gpios:4=38", // CD0_SDA (data)
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+ <&spi_frag_overlay>, "fast_xfer-gpios:16=35", // CD0_IO1_MICDAT0 (clock)
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+ <&spi_bridge>, "power-supply:0=",<&cam0_reg>,
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+ <®_frag>, "target:0=",<&cam0_reg>,
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+ <&cam_node>, "VANA-supply:0=",<&cam0_reg>;
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+ bypass-cache = <&spi_bridge>,"bypass-cache?";
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+ };
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+};
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+
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+&cam_node {
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+ status = "okay";
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+ reset-gpios = <&spi_bridge 20 GPIO_ACTIVE_HIGH>;
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+ clocks = <&clk_aicam_gated>;
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+ spi = <&spi_bridgedev0>;
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+};
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+
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+&spi_bridge {
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+ status = "okay";
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+};
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+
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+&cam_endpoint {
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+ remote-endpoint = <&csi_ep>;
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/imx500.dtsi
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@@ -0,0 +1,28 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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+cam_node: imx500@1a {
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+ reg = <0x1a>;
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+ compatible = "sony,imx500";
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+ status = "disabled";
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+
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+ clocks = <&cam1_clk>;
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+ clock-names = "inck";
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+
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+ vana-supply = <&cam1_reg>; /* 2.7v */
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+ vdig-supply = <&cam_dummy_reg>; /* 0.84v */
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+ vif-supply = <&cam_dummy_reg>; /* 1.8v */
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+
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+ reset-gpios = <&gpio 255 GPIO_ACTIVE_HIGH>;
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+
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+ rotation = <0>;
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+ orientation = <2>;
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+
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+ port {
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+ cam_endpoint: endpoint {
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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 <444000000>;
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+ };
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+ };
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+};
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--- a/arch/arm/boot/dts/overlays/overlay_map.dts
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+++ b/arch/arm/boot/dts/overlays/overlay_map.dts
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@@ -118,6 +118,16 @@
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bcm2711;
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};
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+ imx500 {
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+ bcm2835;
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+ bcm2711;
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+ bcm2712 = "imx500-pi5";
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+ };
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+
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+ imx500-pi5 {
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+ bcm2712;
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+ };
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+
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lirc-rpi {
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deprecated = "use gpio-ir";
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};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/rpi-rp2040-gpio-bridge.dtsi
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@@ -0,0 +1,21 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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+spi_bridge: spi@40 {
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+ reg = <0x40>;
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+ compatible = "raspberrypi,rp2040-gpio-bridge";
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+ status = "disabled";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ power-supply = <&cam1_reg>;
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+
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+ #gpio-cells = <2>;
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+ gpio-controller;
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+
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+ spi_bridgedev0: spidev@0{
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+ compatible = "spidev";
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+ reg = <0>; /* CE0 */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spi-max-frequency = <35000000>;
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+ };
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+};
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