Add PCIe support for DH electronics i.MX8M Plus DHCOM SoM on PDK2 carrier board.
Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
Cc: Marek Vasut <marex@xxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: kernel@xxxxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
.../arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts
index 382fbedaf6ba4..fdf18b7f208d5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts
@@ -151,6 +151,20 @@ &flexcan1 {
status = "okay";
};
+&pcie_phy {
+ clock-names = "ref";
+ clocks = <&clk IMX8MP_SYS_PLL2_100M>;
+ fsl,clkreq-unsupported;
+ fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_UNUSED>;
+ status = "okay";
+};
+
+&pcie {
+ fsl,max-link-speed = <1>;
+ reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>; /* GPIO J */
+ status = "okay";
+};
+
&usb3_1 {
fsl,over-current-active-low;
};
--
2.39.1
