On 2021-03-29 10:00, Eddie James wrote:
From: Matthew Barth <msbarth@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxx>
Reviewed-by: Brandon Wyman <bjwyman@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts | 128 +++++++++++++++++++
1 file changed, 128 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index de2606b416e6..d7f23b74dd4b 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -171,6 +171,37 @@ vga_memory: region@bf000000 {
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 {
@@ -567,6 +598,103 @@ fan@3 {
maxim,fan-fault-pin-mon;
};
};
+
+ 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>;
+ };
+ };
};
};