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64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
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From 4fdc12dae89db7fd02bfbef1a15a0b78263a7764 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Tue, 1 Nov 2022 08:47:21 +0000
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Subject: [PATCH] overlays: i2c-sensor: Add mcp980x support
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See: https://github.com/raspberrypi/linux/issues/5234
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/README | 4 ++++
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.../boot/dts/overlays/i2c-sensor-common.dtsi | 17 ++++++++++++++++-
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2 files changed, 20 insertions(+), 1 deletion(-)
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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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@@ -1981,6 +1981,10 @@ Params: addr Set the
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max30102 Select the Maxim Integrated MAX30102 heart-rate
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and blood-oxygen sensor
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+ mcp980x Select the Maxim MCP980x range of temperature
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+ sensors (e.g. MCP9808).
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+ Valid addresses are 0x18-0x1f (default 0x18)
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+
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sht3x Select the Sensiron SHT3x temperature and
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humidity sensor. Valid addresses 0x44-0x45,
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default 0x44
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--- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
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+++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
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@@ -323,6 +323,20 @@
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};
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};
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+ fragment@21 {
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+ target = <&i2cbus>;
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+ __dormant__ {
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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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+ mcp980x: mcp980x@18 {
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+ compatible = "maxim,mcp980x";
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+ reg = <0x18>;
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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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bme280 = <0>,"+0";
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bmp085 = <0>,"+1";
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@@ -346,11 +360,12 @@
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bh1750 = <0>, "+18";
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max30102 = <0>,"+19";
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aht10 = <0>,"+20";
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+ mcp980x = <0>,"+21";
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addr = <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
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<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
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<&ds1621>,"reg:0", <&bme680>,"reg:0", <&ccs811>,"reg:0",
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- <&bh1750>,"reg:0";
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+ <&bh1750>,"reg:0", <&mcp980x>,"reg:0";
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int_pin = <&max30102>, "interrupts:0";
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};
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};
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