ARM: dts: aspeed: tiogapass: add hotplug controller

The ADM1278 IC is accessible on I2C bus and on both Wiwynn and Quanta
Tioga Pass implementations a pair of parallel 0.5 mOhm resistors is used
for current measurement.

Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210415140521.11352-1-fercerpav@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
index cd18641d5c236e0d3e14e151775742a5357d65e7..7b4b2b126ad849c483c1b67eac368a3847250081 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
@@ -507,6 +507,11 @@
 &i2c7 {
        status = "okay";
        //HSC, AirMax Conn A
+       adm1278@45 {
+               compatible = "adm1275";
+               reg = <0x45>;
+               shunt-resistor-micro-ohms = <250>;
+       };
 };
 
 &i2c8 {