[PATCH 3/3] ARM: dts: imx6sx-sdb: Add PCIe support
Fabio Estevam
festevam at gmail.com
Tue Nov 21 14:50:00 PST 2017
From: Fabio Estevam <fabio.estevam at nxp.com>
Add support for PCIe support.
Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
---
arch/arm/boot/dts/imx6sx-sdb.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index d76b458..d57a41c 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -118,6 +118,17 @@
gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
};
+ reg_pcie_gpio: regulator-pcie-gpio {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie_reg>;
+ regulator-name = "MPCIE_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
sound {
compatible = "fsl,imx6sx-sdb-wm8962", "fsl,imx-audio-wm8962";
model = "wm8962-audio";
@@ -199,6 +210,14 @@
};
};
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie>;
+ reset-gpio = <&gpio2 0 GPIO_ACTIVE_LOW>;
+ vpcie-supply = <®_pcie_gpio>;
+ status = "okay";
+};
+
&lcdif1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcd>;
@@ -440,6 +459,18 @@
>;
};
+ pinctrl_pcie: pciegrp {
+ fsl,pins = <
+ MX6SX_PAD_ENET1_COL__GPIO2_IO_0 0x10b0
+ >;
+ };
+
+ pinctrl_pcie_reg: pciereggrp {
+ fsl,pins = <
+ MX6SX_PAD_ENET1_CRS__GPIO2_IO_1 0x10b0
+ >;
+ };
+
pinctrl_peri_3v3: peri3v3grp {
fsl,pins = <
MX6SX_PAD_QSPI1A_DATA0__GPIO4_IO_16 0x80000000
--
2.7.4
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