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authorRichard Zhu <hongxing.zhu@nxp.com>2022-02-09 10:06:48 +0800
committerShawn Guo <shawnguo@kernel.org>2022-02-13 11:14:19 +0800
commit5edaa224645b17266a8b8037e97fcad1275c49cf (patch)
treef64ff83f819ce37b2bd761ac8a83a20fd36754d0
parentf471b9a5267941b8121e3cdee29fb207f79f38ec (diff)
arm64: dts: imx8mq-evk: Add second PCIe port support
Enable the second PCIe port support on i.MX8MQ EVK board. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq-evk.dts38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index e7f521aac400..99fed35168eb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -27,6 +27,17 @@
clock-frequency = <100000000>;
};
+ reg_pcie1: regulator-pcie {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie1_reg>;
+ regulator-name = "MPCIE_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_usdhc2_vmmc: regulator-vsd-3v3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_reg_usdhc2>;
@@ -328,6 +339,20 @@
status = "okay";
};
+&pcie1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie1>;
+ reset-gpio = <&gpio5 12 GPIO_ACTIVE_LOW>;
+ clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>,
+ <&clk IMX8MQ_CLK_PCIE2_AUX>,
+ <&clk IMX8MQ_CLK_PCIE2_PHY>,
+ <&pcie0_refclk>;
+ clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus";
+ vpcie-supply = <&reg_pcie1>;
+ vph-supply = <&vgen5_reg>;
+ status = "okay";
+};
+
&pgc_gpu {
power-supply = <&sw1a_reg>;
};
@@ -483,6 +508,19 @@
>;
};
+ pinctrl_pcie1: pcie1grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_I2C4_SDA_PCIE2_CLKREQ_B 0x76
+ MX8MQ_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x16
+ >;
+ };
+
+ pinctrl_pcie1_reg: pcie1reggrp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_ECSPI2_SCLK_GPIO5_IO10 0x16
+ >;
+ };
+
pinctrl_qspi: qspigrp {
fsl,pins = <
MX8MQ_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x82