Enable PCIE0 interface connected to BCM4356 WiFi/Bluetooth module.
Signed-off-by: Andrey Smirnov <[email protected]>
Reviewed-by: Lucas Stach <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Leonard Crestez <[email protected]>
Cc: "A.s. Dong" <[email protected]>
Cc: Richard Zhu <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 42 ++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index 304c28034ddf..b25f775e8889 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -21,6 +21,12 @@
reg = <0x00000000 0x40000000 0 0xc0000000>;
};
+ pcie0_refclk: pcie0-refclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ };
+
reg_usdhc2_vmmc: regulator-vsd-3v3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_reg_usdhc2>;
@@ -118,6 +124,17 @@
status = "okay";
};
+&gpio5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wifi_reset>;
+
+ wl-reg-on {
+ gpio-hog;
+ gpios = <29 GPIO_ACTIVE_HIGH>;
+ output-high;
+ };
+};
+
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
@@ -209,6 +226,18 @@
};
};
+&pcie0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie0>;
+ reset-gpio = <&gpio5 28 GPIO_ACTIVE_LOW>;
+ clocks = <&clk IMX8MQ_CLK_PCIE1_ROOT>,
+ <&clk IMX8MQ_CLK_PCIE1_AUX>,
+ <&clk IMX8MQ_CLK_PCIE1_PHY>,
+ <&pcie0_refclk>;
+ clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus";
+ status = "okay";
+};
+
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
@@ -303,6 +332,13 @@
>;
};
+ pinctrl_pcie0: pcie0grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_I2C4_SCL_PCIE1_CLKREQ_B 0x76
+ MX8MQ_IOMUXC_UART4_RXD_GPIO5_IO28 0x16
+ >;
+ };
+
pinctrl_qspi: qspigrp {
fsl,pins = <
MX8MQ_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x82
@@ -430,4 +466,10 @@
MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
>;
};
+
+ pinctrl_wifi_reset: wifiresetgrp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_UART4_TXD_GPIO5_IO29 0x16
+ >;
+ };
};
--
2.20.1
