linux-kernel - [PATCH v2 3/3] arm64: dts: freescale: ten64: provide gpio-line-names for all system gpios

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Message-Id: <20260206-ten64-dts-updates-2025-12-v2-3-2d77f47a89e7@traverse.com.au>
Date: Fri, 06 Feb 2026 16:26:14 +1100
From: Mathew McBride <matt@...verse.com.au>
To: Frank Li <Frank.Li@....com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Mathew McBride <matt@...verse.com.au>
Subject: [PATCH v2 3/3] arm64: dts: freescale: ten64: provide
 gpio-line-names for all system gpios

There are GPIOs on the Ten64 board which are intended to be
user controlled, as well as some that are used for system functions
(such as SFP control lines and associated LEDs).

Providing the gpio-line-names will be useful to users of the board,
for example, in the /sys/kernel/debug/gpio listing.

The master GPIO list for the board can be viewed here:
https://ten64doc.traverse.com.au/hardware/gpio/

Signed-off-by: Mathew McBride <matt@...verse.com.au>
---
 .../arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts
index 0a460eebd636..bb59a3e17fde 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts
@@ -264,6 +264,48 @@ &esdhc {
 	max-frequency = <25000000>;
 };
 
+&gpio1 {
+	/* Only GPIO 17 is utilised on this controller */
+	gpio-line-names =
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"",
+		"EXT_PWR_DWN",
+		"", "", "", "", "", "",
+		"", "", "", "", "", "", "", "";
+};
+
+&gpio2 {
+	/* Only GPIO 27,28,29 are utilised on this controller */
+	gpio-line-names =
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "",
+		"", "", "",
+		"P6_GPIO_A",
+		"P6_GPIO_B",
+		"P6_GPIO_C",
+		"", "";
+};
+
+&gpio3 {
+	/* Only GPIO4-9, 11-13 are utilised on this controller */
+	gpio-line-names =
+		"", "", "", "",
+		"P6_GPIO_D",
+		"P6_GPIO_E",
+		"P6_GPIO_F",
+		"P6_GPIO_G",
+		"P6_GPIO_H_ADMIN_BTN",
+		"",
+		"TCA9539_INT",
+		"SFP_XG0_ACT_LED",
+		"SFP_XG1_ACT_LED",
+		"SIM_SD_TRAY_STATUS",
+		"", "", "", "", "", "", "", "", "", "",
+		"", "", "", "", "", "", "", "";
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -273,6 +315,24 @@ sfpgpio: gpio@76 {
 		#gpio-cells = <2>;
 		gpio-controller;
 
+		gpio-line-names =
+			"XG0_TX_FAULT", /* Lower SFP+ signals */
+			"XG0_TX_DISABLE",
+			"XG0_PRESENT",
+			"XG0_LOS",
+			"XG1_TX_FAULT", /* Upper SFP+ signals */
+			"XG1_TX_DISABLE",
+			"XG1_PRESENT",
+			"XG1_LOS",
+			"CELLULAR_RESET",
+			"CELLULAR_POWER_OFF",
+			"CELLULAR_DISABLE",
+			"CELLULAR_GNSS_DISABLE",
+			"ADMIN_LED_P",
+			"ADMIN_LED_N",
+			"USER_SWITCH",
+			"ATX_HD_ACT_LED";
+
 		admin-led-lower-hog {
 			gpio-hog;
 			gpios = <13 GPIO_ACTIVE_HIGH>;

-- 
2.51.2