From 03163470b138f1050cb5bd3cf1bad9c2affa05d8 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Tue, 21 Nov 2017 20:50:00 -0200 Subject: [PATCH] ARM: dts: imx6sx-sdb: Add PCIe support Add support for PCIe support. Signed-off-by: Fabio Estevam Signed-off-by: Shawn Guo --- 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