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From:   Andrew Jeffery <andrew@aj.id.au>
To:     linux-leds@vger.kernel.org, linux-gpio@vger.kernel.org
Cc:     clg@kaod.org, robh+dt@kernel.org, joel@jms.id.au, pavel@ucw.cz,
        linus.walleij@linaro.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [RFC PATCH 5/6] ARM: dts: rainier: Add presence-detect and fault indictor GPIO expander
Date:   Fri, 23 Jul 2021 17:28:57 +0930
Message-Id: <20210723075858.376378-6-andrew@aj.id.au>
In-Reply-To: <20210723075858.376378-1-andrew@aj.id.au>
References: <20210723075858.376378-1-andrew@aj.id.au>
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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@aj.id.au>
---
 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