linux-kernel - [PATCH 2/2] ARM: dts: aspeed: mtmitchell: Add gpio line names for io expanders

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Message-ID: <20240905063521.319416-3-chanh@os.amperecomputing.com>
Date: Thu,  5 Sep 2024 06:35:21 +0000
From: Chanh Nguyen <chanh@...amperecomputing.com>
To: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...id.au>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
	Open Source Submission <patches@...erecomputing.com>
Cc: Phong Vo <phong@...amperecomputing.com>,
	Thang Nguyen <thang@...amperecomputing.com>,
	Quan Nguyen <quan@...amperecomputing.com>,
	Khanh Pham <khpham@...erecomputing.com>,
	Chanh Nguyen <chanh@...amperecomputing.com>
Subject: [PATCH 2/2] ARM: dts: aspeed: mtmitchell: Add gpio line names for io expanders

Add below gpio line names to io expanders for more platform features.

- ext-vref-sel
- presence-hdd-bp5-n
- presence-hdd-bp6-n
- bmc-ocp0-en-n
- bmc-ocp1-en-n
- bmc-riser-en-n
- gpi0, gpi1

Signed-off-by: Chanh Nguyen <chanh@...amperecomputing.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
index da181f9ae820..2b336aa0146d 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
@@ -677,6 +677,12 @@ gpio@77 {
 		#size-cells = <0>;
 		#gpio-cells = <2>;
 
+		gpio-line-names =
+		"ext-vref-sel","","presence-hdd-bp5-n","presence-hdd-bp6-n",
+		"","bmc-riser-en-n","bmc-ocp1-en-n","bmc-ocp0-en-n",
+		"","","","",
+		"","","","";
+
 		bmc-ocp0-en-hog {
 			gpio-hog;
 			gpios = <7 GPIO_ACTIVE_LOW>;
@@ -968,7 +974,7 @@ gpio_expander1: gpio-expander@22 {
 			"fan-fault","psu-fault",
 			"","",
 			"","",
-			"","",
+			"gpi0","gpi1",
 			"","",
 			"","",
 			"","",
-- 
2.43.0