From: Tyler Baker <tyler@xxxxxxxxxxxxxxxxxxxxxxx>
Add a PCIe device tree node to enable PCIe support.
Signed-off-by: Tyler Baker <tyler@xxxxxxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx7d-sbc-iot-imx7.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-sbc-iot-imx7.dts b/arch/arm/boot/dts/imx7d-sbc-iot-imx7.dts
index 50dfdd3..7b21366 100644
--- a/arch/arm/boot/dts/imx7d-sbc-iot-imx7.dts
+++ b/arch/arm/boot/dts/imx7d-sbc-iot-imx7.dts
@@ -127,6 +127,12 @@
>;
};
+ pinctrl_pcie: pciegrp {
+ fsl,pins = <
+ MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x34 /* PCIe RST */
+ >;
+ };
+
pinctrl_uart2: uart2grp {
fsl,pins = <
MX7D_PAD_LCD_ENABLE__UART2_DCE_TX 0x79 /* P7-12 */
@@ -201,6 +207,14 @@
};
};
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie>;
+ reset-gpio = <&gpio2 29 GPIO_ACTIVE_LOW>;
+ phy-ref-clk = <1>;
+ status = "okay";
+};
+
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
--
2.9.3
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