openwrt/target/linux/bcm27xx/patches-5.4/950-0487-add-Sensirion-SPS30-to-i2c-sensor-overlay.patch

From 60f3874207c50db6f6d9dbac40977843cb77acd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz@true.cz>
Date: Sat, 7 Mar 2020 22:37:52 +0100
Subject: [PATCH] add Sensirion SPS30 to i2c-sensor overlay
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Add support for Sensirion SPS30 particulate matter sensor with fixed
address 0x69.

Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
 arch/arm/boot/dts/overlays/README                 |  3 +++
 arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1261,6 +1261,9 @@ Params: addr                    Set the
         si7020                  Select the Silicon Labs Si7013/20/21 humidity/
                                 temperature sensor
 
+        sps30                   Select the Sensirion SPS30 particulate matter
+                                sensor. Fixed address 0x69.
+
         tmp102                  Select the Texas Instruments TMP102 temp sensor
                                 Valid addresses 0x48-0x4b, default 0x48
 
--- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
@@ -231,6 +231,20 @@
 		};
 	};
 
+	fragment@15 {
+		target = <&i2c_arm>;
+		__dormant__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			sps30: sps30@69 {
+				compatible = "sensirion,sps30";
+				reg = <0x69>;
+				status = "okay";
+			};
+		};
+	};
 
 	__overrides__ {
 		addr =  <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
@@ -252,5 +266,6 @@
 		ds1621 = <0>,"+12";
 		max17040 = <0>,"+13";
 		bme680 = <0>,"+14";
+		sps30 = <0>,"+15";
 	};
 };