[openwrt/openwrt] ath79: jj76pf2: enable TCN75 sensor

[LEDE Commits]

chunkeey pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/4cca0947fff08716eb2190795d94072e3126f86b

commit 4cca0947fff08716eb2190795d94072e3126f86b
Author: Tomasz Maciej Nowak <tmn505 at gmail.com>
AuthorDate: Tue Jun 7 15:58:26 2022 +0200

    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 at gmail.com>
---
 target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts | 13 +++++++++++++
 target/linux/ath79/image/generic.mk              |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts b/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts
index 4ee99432d4..8e861bad48 100644
--- 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 at 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
index a6a6e5e499..6af90c9903 100644
--- 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