arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+)
Enable the secone PCIe port support on i.MX8MQ EVK board.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 38 ++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index a1b7582f3ecf..06f6e44da4d4 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -27,6 +27,17 @@ pcie0_refclk: pcie0-refclk {
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>;
@@ -327,6 +338,20 @@ &pcie0 {
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 = <®_pcie1>;
+ vph-supply = <&vgen5_reg>;
+ status = "okay";
+};
+
&pgc_gpu {
power-supply = <&sw1a_reg>;
};
@@ -482,6 +507,19 @@ MX8MQ_IOMUXC_UART4_RXD_GPIO5_IO28 0x16
>;
};
+ 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
--
2.25.1
In subject: s/Add the/Add/ s/pcie/PCIe/ On Tue, Feb 08, 2022 at 03:02:29PM +0800, Richard Zhu wrote: > Enable the secone PCIe port support on i.MX8MQ EVK board. s/secone/second/
> -----Original Message----- > From: Bjorn Helgaas <helgaas@kernel.org> > Sent: 2022年2月8日 23:29 > To: Hongxing Zhu <hongxing.zhu@nxp.com> > Cc: shawnguo@kernel.org; l.stach@pengutronix.de; linux-pci@vger.kernel.org; > linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org; > kernel@pengutronix.de; dl-linux-imx <linux-imx@nxp.com> > Subject: Re: [PATCH] arm64: dts: imx8mq-evk: Add the second pcie port > support > > In subject: > > s/Add the/Add/ > s/pcie/PCIe/ > > On Tue, Feb 08, 2022 at 03:02:29PM +0800, Richard Zhu wrote: > > Enable the secone PCIe port support on i.MX8MQ EVK board. > > s/secone/second/ Thanks a lot for your quickly review. Would be changed a moment later. Best Regards Richard
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