20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
68 lines
1.9 KiB
Diff
68 lines
1.9 KiB
Diff
From 3fd6d30806724fa8b07ae625d828c49855c42fbe Mon Sep 17 00:00:00 2001
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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Date: Sun, 19 Sep 2021 13:30:43 +0200
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Subject: [PATCH] overlays: add support for the MLX90640 thermal camera
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This allows using the video-i2c camera driver with MLX90640 thermal
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infrared sensors, connected to Raspberry Pi. CONFIG_VIDEO_V4L2_I2C
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has to be selected to use the camera.
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Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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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 | 6 +++++
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.../boot/dts/overlays/mlx90640-overlay.dts | 22 +++++++++++++++++++
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3 files changed, 29 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/mlx90640-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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@@ -129,6 +129,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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midi-uart5.dtbo \
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minipitft13.dtbo \
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miniuart-bt.dtbo \
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+ mlx90640.dtbo \
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mmc.dtbo \
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mpu6050.dtbo \
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mz61581.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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@@ -2152,6 +2152,12 @@ Params: krnbt Set to "
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driver without need of hciattach/btattach
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+Name: mlx90640
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+Info: Overlay for i2c connected mlx90640 thermal camera
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+Load: dtoverlay=mlx90640
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+Params: <None>
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+
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+
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Name: mmc
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Info: Selects the bcm2835-mmc SD/MMC driver, optionally with overclock
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Load: dtoverlay=mmc,<param>=<val>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/mlx90640-overlay.dts
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@@ -0,0 +1,22 @@
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+/dts-v1/;
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+/plugin/;
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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_arm>;
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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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+ clock-frequency = <400000>;
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+
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+ mlx90640: mlx90640@33 {
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+ compatible = "melexis,mlx90640";
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+ reg = <0x33>;
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+ status = "okay";
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+ };
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+ };
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+ };
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+};
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