[PATCH 1/7] ath79: jj76pf2: enable TCN75 sensor
Tomasz Maciej Nowak
tmn505 at gmail.com
Tue Mar 15 08:00:36 PDT 2022
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 826b45ff513e..93a029964a63 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 769c0ee1dab5..9d94c79212cc 100644
--- a/target/linux/ath79/image/generic.mk
+++ b/target/linux/ath79/image/generic.mk
@@ -1452,7 +1452,7 @@ 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
--
2.35.1
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