ARM: dts: aspeed: everest: Add pca9552 fan presence

Add the pca9552 at address 0x61 on i2c14 behind mux0 channel 3 with the
4 GPIO fan presence inputs.

Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Brandon Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20210329150020.13632-16-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index f8e08dad152a87f5e23219f5b72d5732b0ed1c06..1dc7718be2231bd5e3725bd407dfed8d4c98fbe0 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -171,6 +171,37 @@
                        reg = <0xbf000000 0x01000000>; /* 16M */
                };
        };
+
+       gpio-keys-polled {
+               compatible = "gpio-keys-polled";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               poll-interval = <1000>;
+
+               fan0-presence {
+                       label = "fan0-presence";
+                       gpios = <&pca0 15 GPIO_ACTIVE_LOW>;
+                       linux,code = <15>;
+               };
+
+               fan1-presence {
+                       label = "fan1-presence";
+                       gpios = <&pca0 14 GPIO_ACTIVE_LOW>;
+                       linux,code = <14>;
+               };
+
+               fan2-presence {
+                       label = "fan2-presence";
+                       gpios = <&pca0 13 GPIO_ACTIVE_LOW>;
+                       linux,code = <13>;
+               };
+
+               fan3-presence {
+                       label = "fan3-presence";
+                       gpios = <&pca0 12 GPIO_ACTIVE_LOW>;
+                       linux,code = <12>;
+               };
+       };
 };
 
 &i2c0 {
@@ -540,6 +571,103 @@
                                        tach-pulses = <2>;
                                };
                        };
+
+                       pca0: pca9552@61 {
+                               compatible = "nxp,pca9552";
+                               reg = <0x61>;
+
+                               gpio-controller;
+                               #gpio-cells = <2>;
+
+                               gpio-line-names =
+                                       "","","","",
+                                       "","","","",
+                                       "","","","",
+                                       "presence-fan3",
+                                       "presence-fan2",
+                                       "presence-fan1",
+                                       "presence-fan0";
+
+                               gpio@0 {
+                                       reg = <0>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@1 {
+                                       reg = <1>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@2 {
+                                       reg = <2>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@3 {
+                                       reg = <3>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@4 {
+                                       reg = <4>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@5 {
+                                       reg = <5>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@6 {
+                                       reg = <6>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@7 {
+                                       reg = <7>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@8 {
+                                       reg = <8>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@9 {
+                                       reg = <9>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@10 {
+                                       reg = <10>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@11 {
+                                       reg = <11>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@12 {
+                                       reg = <12>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@13 {
+                                       reg = <13>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@14 {
+                                       reg = <14>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+
+                               gpio@15 {
+                                       reg = <15>;
+                                       type = <PCA955X_TYPE_GPIO>;
+                               };
+                       };
                };
        };