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Message-Id: <1567457138-3002-1-git-send-email-Anson.Huang@nxp.com>
Date: Mon, 2 Sep 2019 16:45:38 -0400
From: Anson Huang <Anson.Huang@....com>
To: robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Cc: Linux-imx@....com
Subject: [PATCH] arm64: dts: imx8mn-ddr4-evk: Enable GPIO LED
i.MX8MN DDR4 EVK board has a GPIO LED to indicate status,
add support for it.
Signed-off-by: Anson Huang <Anson.Huang@....com>
---
arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
index b698061..9349bad 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
@@ -15,6 +15,18 @@
stdout-path = &uart2;
};
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_led>;
+
+ status {
+ label = "status";
+ gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -54,6 +66,12 @@
>;
};
+ pinctrl_gpio_led: gpioledgrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_NAND_READY_B_GPIO3_IO16 0x19
+ >;
+ };
+
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
--
2.7.4
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