ARM: dts: aspeed: rainier: Add gpio-keys-polled for fans

Add a gpio-keys-polled section to the Rainier device tree for the fan
presence signals on the PCA9552 I2C device on bus 7.

Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Signed-off-by: Matthew Barth <msbarth@linux.ibm.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210329150020.13632-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index d50567a..b57b24e 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -155,6 +155,49 @@
                        gpios = <&gpio0 ASPEED_GPIO(P, 4) GPIO_ACTIVE_LOW>;
                };
        };
+
+       gpio-keys-polled {
+               compatible = "gpio-keys-polled";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               poll-interval = <1000>;
+
+               fan0-presence {
+                       label = "fan0-presence";
+                       gpios = <&pca0 6 GPIO_ACTIVE_LOW>;
+                       linux,code = <6>;
+               };
+
+               fan1-presence {
+                       label = "fan1-presence";
+                       gpios = <&pca0 7 GPIO_ACTIVE_LOW>;
+                       linux,code = <7>;
+               };
+
+               fan2-presence {
+                       label = "fan2-presence";
+                       gpios = <&pca0 8 GPIO_ACTIVE_LOW>;
+                       linux,code = <8>;
+               };
+
+               fan3-presence {
+                       label = "fan3-presence";
+                       gpios = <&pca0 9 GPIO_ACTIVE_LOW>;
+                       linux,code = <9>;
+               };
+
+               fan4-presence {
+                       label = "fan4-presence";
+                       gpios = <&pca0 10 GPIO_ACTIVE_LOW>;
+                       linux,code = <10>;
+               };
+
+               fan5-presence {
+                       label = "fan5-presence";
+                       gpios = <&pca0 11 GPIO_ACTIVE_LOW>;
+                       linux,code = <11>;
+               };
+       };
 };
 
 &ehci1 {