[RFC PATCH 5/6] ARM: dts: rainier: Add presence-detect and fault indictor GPIO expander
From: Andrew Jeffery <hidden>
Date: 2021-07-23 07:59:51
Also in:
linux-arm-kernel, linux-aspeed, linux-gpio, linux-leds, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- 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