[RFC 5/5] arm64: dts: imx8mq-evk: Enable PCIE0 interface

[Andrey Smirnov <andrew.smirnov@gmail.com>]

Enable PCIE0 interface connected to BCM4356 WiFi/Bluetooth module.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: "A.s. Dong" <aisheng.dong@nxp.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: linux-imx@nxp.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 23 ++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index 64acccc4bfcb..6c7af6c0c9a6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -40,6 +40,14 @@
 	status = "okay";
 };
 
+&gpio5 {
+ 	wl-reg-on {
+		gpio-hog;
+		gpios = <29 GPIO_ACTIVE_HIGH>;
+		output-high;
+	};
+};
+
 &i2c1 {
 	clock-frequency = <100000>;
 	pinctrl-names = "default";
@@ -131,6 +139,13 @@
 	};
 };
 
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie0>;
+	reset-gpio = <&gpio5 28 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
@@ -195,6 +210,14 @@
 		>;
 	};
 
+	pinctrl_pcie0: pcie0grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_I2C4_SCL_PCIE1_CLKREQ_B		0x76
+			MX8MQ_IOMUXC_UART4_TXD_GPIO5_IO29		0x16
+			MX8MQ_IOMUXC_UART4_RXD_GPIO5_IO28		0x16
+		>;
+	};
+
 	pinctrl_reg_usdhc2: regusdhc2grpgpio {
 		fsl,pins = <
 			MX8MQ_IOMUXC_SD2_RESET_B_GPIO2_IO19		0x41
-- 
2.20.1