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

From: Andrey Smirnov
Date: Thu Jan 31 2019 - 15:44:00 EST


Enable PCIE0 interface connected to BCM4356 WiFi/Bluetooth module.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
Cc: Chris Healy <cphealy@xxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Leonard Crestez <leonard.crestez@xxxxxxx>
Cc: "A.s. Dong" <aisheng.dong@xxxxxxx>
Cc: Richard Zhu <hongxing.zhu@xxxxxxx>
Cc: linux-imx@xxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
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