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* [PATCH v2] arm64: dts: imx8mq-evk: Add second PCIe port support
@ 2022-02-09  2:06 ` Richard Zhu
  0 siblings, 0 replies; 4+ messages in thread
From: Richard Zhu @ 2022-02-09  2:06 UTC (permalink / raw)
  To: bhelgaas, shawnguo, l.stach
  Cc: hongxing.zhu, linux-pci, linux-arm-kernel, linux-kernel, kernel,
	linux-imx

Enable the second 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 = <&reg_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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH v2] arm64: dts: imx8mq-evk: Add second PCIe port support
@ 2022-02-09  2:06 ` Richard Zhu
  0 siblings, 0 replies; 4+ messages in thread
From: Richard Zhu @ 2022-02-09  2:06 UTC (permalink / raw)
  To: bhelgaas, shawnguo, l.stach
  Cc: hongxing.zhu, linux-pci, linux-arm-kernel, linux-kernel, kernel,
	linux-imx

Enable the second 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 = <&reg_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


^ permalink raw reply related	[flat|nested] 4+ messages in thread
* Re: [PATCH v2] arm64: dts: imx8mq-evk: Add second PCIe port support
  2022-02-09  2:06 ` Richard Zhu
@ 2022-02-13  3:14   ` Shawn Guo
  -1 siblings, 0 replies; 4+ messages in thread
From: Shawn Guo @ 2022-02-13  3:14 UTC (permalink / raw)
  To: Richard Zhu
  Cc: bhelgaas, l.stach, linux-pci, linux-arm-kernel, linux-kernel,
	kernel, linux-imx

On Wed, Feb 09, 2022 at 10:06:48AM +0800, Richard Zhu wrote:
> Enable the second PCIe port support on i.MX8MQ EVK board.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>

Applied, thanks!

^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [PATCH v2] arm64: dts: imx8mq-evk: Add second PCIe port support
@ 2022-02-13  3:14   ` Shawn Guo
  0 siblings, 0 replies; 4+ messages in thread
From: Shawn Guo @ 2022-02-13  3:14 UTC (permalink / raw)
  To: Richard Zhu
  Cc: bhelgaas, l.stach, linux-pci, linux-arm-kernel, linux-kernel,
	kernel, linux-imx

On Wed, Feb 09, 2022 at 10:06:48AM +0800, Richard Zhu wrote:
> Enable the second PCIe port support on i.MX8MQ EVK board.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>

Applied, thanks!

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-02-13  3:16 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-09  2:06 [PATCH v2] arm64: dts: imx8mq-evk: Add second PCIe port support Richard Zhu
2022-02-09  2:06 ` Richard Zhu
2022-02-13  3:14 ` Shawn Guo
2022-02-13  3:14   ` Shawn Guo

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