ath79: jj76pf2: enable TCN75 sensor

This SBC has Microchip TCN75 sensor, wich measures ambient temperature. Specify it in dts to allow readout by applications using kernel hwmon API. Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
musashino-build · Jun 24, 2022 · 4cca094 · 4cca094
1 parent f614332
commit 4cca094
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diff --git a/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts b/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts
@@ -32,6 +32,19 @@
 		clock-frequency = <40000000>;
 	};
 
+	i2c {
+		compatible = "i2c-gpio";
+		sda-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+		scl-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		sensor@48 {
+			compatible = "microchip,tcn75";
+			reg = <0x48>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 

diff --git a/target/linux/ath79/image/generic.mk b/target/linux/ath79/image/generic.mk
@@ -1465,7 +1465,7 @@ define Device/jjplus_ja76pf2
   SOC := ar7161
   DEVICE_VENDOR := jjPlus
   DEVICE_MODEL := JA76PF2
-  DEVICE_PACKAGES += -kmod-ath9k -swconfig -wpad-basic-wolfssl -uboot-envtools fconfig
+  DEVICE_PACKAGES += -kmod-ath9k -swconfig -wpad-basic-wolfssl -uboot-envtools fconfig kmod-hwmon-lm75
   IMAGES += kernel.bin rootfs.bin
   IMAGE/kernel.bin := append-kernel
   IMAGE/rootfs.bin := append-rootfs | pad-rootfs