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c1f2b0f2b5
The PCIe reset GPIO on Poplar is actually active low. The active high worked before because kernel driver didn't respect the setting from DT. This is changed since commit1d26a55fbe("PCI: histb: Switch to using gpiod API"), and thus PCIe on Poplar got brken since then. Fix the problem by correcting the polarity. Fixes:32fa01761b("arm64: dts: hi3798cv200: enable PCIe support for poplar board") Cc: stable@vger.kernel.org Signed-off-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
207 lines
3.3 KiB
Plaintext
207 lines
3.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* DTS File for HiSilicon Poplar Development Board
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*
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* Copyright (c) 2016-2017 HiSilicon Technologies Co., Ltd.
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include "hi3798cv200.dtsi"
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#include "poplar-pinctrl.dtsi"
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/ {
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model = "HiSilicon Poplar Development Board";
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compatible = "hisilicon,hi3798cv200-poplar", "hisilicon,hi3798cv200";
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aliases {
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serial0 = &uart0;
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serial2 = &uart2;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x80000000>;
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};
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leds {
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compatible = "gpio-leds";
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user-led0 {
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label = "green:user1";
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gpios = <&gpio6 3 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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default-state = "off";
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};
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user-led1 {
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label = "green:user2";
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gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "mmc0";
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default-state = "off";
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};
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user-led2 {
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label = "green:user3";
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gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "mmc1";
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default-state = "off";
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};
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user-led3 {
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label = "green:user4";
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gpios = <&gpio10 6 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "none";
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panic-indicator;
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default-state = "off";
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};
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};
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reg_pcie: regulator-pcie {
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compatible = "regulator-fixed";
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regulator-name = "3V3_PCIE0";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio6 7 0>;
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enable-active-high;
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};
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};
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&ehci {
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status = "okay";
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};
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&emmc {
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pinctrl-names = "default";
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pinctrl-0 = <&emmc_pins_1 &emmc_pins_2
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&emmc_pins_3 &emmc_pins_4>;
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fifo-depth = <256>;
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clock-frequency = <200000000>;
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cap-mmc-highspeed;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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non-removable;
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bus-width = <8>;
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status = "okay";
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};
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&gmac1 {
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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phy-handle = <ð_phy1>;
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phy-mode = "rgmii";
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hisilicon,phy-reset-delays-us = <10000 10000 30000>;
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eth_phy1: phy@3 {
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reg = <3>;
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};
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};
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&gpio1 {
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status = "okay";
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gpio-line-names = "GPIO-E", "",
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"", "",
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"", "GPIO-F",
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"", "GPIO-J";
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};
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&gpio2 {
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status = "okay";
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gpio-line-names = "GPIO-H", "GPIO-I",
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"GPIO-L", "GPIO-G",
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"GPIO-K", "",
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"", "";
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};
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&gpio3 {
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status = "okay";
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gpio-line-names = "", "",
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"", "",
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"GPIO-C", "",
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"", "GPIO-B";
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};
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&gpio4 {
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status = "okay";
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gpio-line-names = "", "",
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"", "",
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"", "GPIO-D",
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"", "";
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};
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&gpio5 {
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status = "okay";
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gpio-line-names = "", "USER-LED-1",
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"USER-LED-2", "",
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"", "GPIO-A",
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"", "";
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};
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&gpio6 {
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status = "okay";
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gpio-line-names = "", "",
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"", "USER-LED-0",
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"", "",
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"", "";
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};
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&gpio10 {
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status = "okay";
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gpio-line-names = "", "",
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"", "",
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"", "",
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"USER-LED-3", "";
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};
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&i2c0 {
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status = "okay";
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label = "LS-I2C0";
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};
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&i2c2 {
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status = "okay";
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label = "LS-I2C1";
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};
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&ir {
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linux,rc-map-name = "rc-hisi-poplar";
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status = "okay";
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};
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&ohci {
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status = "okay";
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};
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&pcie {
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reset-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;
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vpcie-supply = <®_pcie>;
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status = "okay";
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};
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&sd0 {
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bus-width = <4>;
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cap-sd-highspeed;
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status = "okay";
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};
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&spi0 {
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status = "okay";
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label = "LS-SPI0";
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};
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&uart0 {
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status = "okay";
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};
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&uart2 {
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status = "okay";
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label = "LS-UART0";
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};
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/* No optional LS-UART1 on Low Speed Expansion Connector. */
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