ARM: dts: aspeed: wedge40: Enable pwm_tacho device

Enable pwm_tacho device for fan control and monitoring in Wedge40.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
index 1049cfa80ac2e021e241618722a4c6c1dea10333..8ac23ff6b09e88788707d21fc696ca88e25489bb 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
@@ -135,3 +135,32 @@
 &adc {
        status = "okay";
 };
+
+&pwm_tacho {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm0_default
+                    &pinctrl_pwm1_default
+                    &pinctrl_pwm6_default
+                    &pinctrl_pwm7_default>;
+
+       fan@0 {
+               reg = <0x00>;
+               aspeed,fan-tach-ch = /bits/ 8 <0x00 0x01>;
+       };
+
+       fan@1 {
+               reg = <0x01>;
+               aspeed,fan-tach-ch = /bits/ 8 <0x02 0x03>;
+       };
+
+       fan@6 {
+               reg = <0x06>;
+               aspeed,fan-tach-ch = /bits/ 8 <0x04 0x05>;
+       };
+
+       fan@7 {
+               reg = <0x07>;
+               aspeed,fan-tach-ch = /bits/ 8 <0x06 0x07>;
+       };
+};