[RFC PATCH 5/6] ARM: dts: rainier: Add presence-detect and fault indictor GPIO expander

From: Andrew Jeffery
Date: Fri Jul 23 2021 - 03:59:51 EST


Expose the ability for the hardware to indicate that it is present, and
if it is present, for the BMC to mark it as faulty.

Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx>
---
arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 76 ++++++++++++++++++++
1 file changed, 76 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 941c0489479a..84651d090965 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -1685,6 +1685,82 @@ eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
};
+
+ dbp0: led-controller@60 {
+ compatible = "nxp,pca9552";
+ reg = <0x60>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <8>;
+ gpio-ranges = <&dbp0 0 8 8>;
+
+ led@0 {
+ label = "led-fault-0";
+ reg = <0>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@1 {
+ label = "led-fault-1";
+ reg = <1>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@2 {
+ label = "led-fault-2";
+ reg = <2>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@3 {
+ label = "led-fault-3";
+ reg = <3>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@4 {
+ label = "led-fault-4";
+ reg = <4>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@5 {
+ label = "led-fault-5";
+ reg = <5>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@6 {
+ label = "led-fault-6";
+ reg = <6>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+
+ led@7 {
+ label = "led-fault-7";
+ reg = <7>;
+ retain-state-shutdown;
+ default-state = "keep";
+ type = <PCA955X_TYPE_LED>;
+ };
+ };
};

&i2c14 {
--
2.30.2