linux-kernel - [PATCH v2 03/10] arm64: dts: colibri-imx8x: Add fxl6408 gpio expander

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Message-Id: <20240901155721.7912-4-francesco@dolcini.it>
Date: Sun,  1 Sep 2024 17:57:14 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 03/10] arm64: dts: colibri-imx8x: Add fxl6408 gpio expander

From: Francesco Dolcini <francesco.dolcini@...adex.com>

Add fxl6408 gpio expander, this is required for Wi-Fi, Bluetooth and USB
functionalities.

Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
---
v2: no changes
---
 arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
index d88f2dd20afa..210db574b425 100644
--- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
@@ -108,6 +108,21 @@ touchscreen@2c {
 		adi,conversion-interval = /bits/ 8 <255>;
 		status = "disabled";
 	};
+
+	gpio_expander_43: gpio@43 {
+		compatible = "fcs,fxl6408";
+		reg = <0x43>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-line-names = "Wi-Fi_W_DISABLE",
+				  "Wi-Fi_WKUP_WLAN",
+				  "PWR_EN_+V3.3_WiFi_N",
+				  "PCIe_REF_CLK_EN",
+				  "USB_RESET_N",
+				  "USB_BYPASS_N",
+				  "Wi-Fi_PDn",
+				  "Wi-Fi_WKUP_BT";
+	};
 };
 
 /* TODO i2c lvds0 accessible on FFC (X2) */
-- 
2.39.2