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dbe5730bf9
"There are often transient line events when the system is powered up and initialized and it is often necessary for the gpio_chip driver to clear any interrupt flags in hardware before setting up the gpio chip, especially the irqchip portions of it." <http://lists.infradead.org/pipermail/openwrt-devel/2019-June/017630.html> This patch adds a fix for the APM821XX's interrupt controller to clear any bogus pending toggled interrupts that happens on various APM821XX boards on boot. The patch also changes the debouce-interval from the default 5ms debounce interval to 60ms all around. The default setting caused on occasions that the button state became stuck in a pressed state, even though the button was released. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
409 lines
7.7 KiB
Plaintext
409 lines
7.7 KiB
Plaintext
/*
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* Device Tree Source for Netgear WNDR4700/WNDR4720 Series
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*
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* Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without
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* any warranty of any kind, whether express or implied.
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*/
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/dts-v1/;
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#include "apm82181.dtsi"
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#include <dt-bindings/thermal/thermal.h>
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/ {
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model = "Netgear WNDR4700/WNDR4720 Series";
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compatible = "netgear,wndr4700";
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aliases {
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serial0 = &UART0;
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led-boot = &status;
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led-failsafe = &failsafe;
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led-running = &status;
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led-upgrade = &status;
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};
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chosen {
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stdout-path = "/plb/opb/serial@ef600300:115200n8";
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};
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thermal-zones {
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cpu_thermal: cpu-thermal {
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polling-delay-passive = <10000>; /* milliseconds */
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polling-delay = <20000>; /* milliseconds */
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thermal-sensors = <&temp0 1>;
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trips {
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/*
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* Once the thermal governers are a bit smarter
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* and do hysteresis properly, we can disable
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* the fan when the HDD and CPU has < 39 C.
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*/
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cpu_alert0: cpu-alert0 {
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temperature = <25000>;
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hysteresis = <2000>;
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type = "active";
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};
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cpu_alert1: cpu-alert1 {
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temperature = <27000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "active";
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};
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cpu_alert2: cpu-alert2 {
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temperature = <65000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "active";
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};
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cpu_alert3: cpu-alert3 {
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temperature = <70000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "active";
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};
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cpu_alert4: cpu-alert4 {
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temperature = <75000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "active";
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};
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cpu_alert5: cpu-alert5 {
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temperature = <80000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "active";
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};
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cpu_alert6: cpu-alert6 {
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temperature = <850000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "active";
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};
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cpu_crit: cpu-crit {
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temperature = <90000>; /* millicelsius */
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hysteresis = <2000>; /* millicelsius */
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type = "critical";
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};
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};
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cooling-maps {
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map0 {
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trip = <&cpu_alert0>;
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cooling-device = <&fan0 THERMAL_NO_LIMIT 0>;
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};
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map1 {
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trip = <&cpu_alert1>;
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cooling-device = <&fan0 1 76>;
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};
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map2 {
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trip = <&cpu_alert2>;
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cooling-device = <&fan0 77 101>;
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};
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map3 {
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trip = <&cpu_alert3>;
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cooling-device = <&fan0 102 147>;
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};
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map4 {
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trip = <&cpu_alert4>;
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cooling-device = <&fan0 148 207>;
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};
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map5 {
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trip = <&cpu_alert5>;
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cooling-device = <&fan0 208 231>;
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};
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map6 {
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trip = <&cpu_alert6>;
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cooling-device =<&fan0 232 THERMAL_NO_LIMIT>;
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};
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};
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};
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};
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};
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&CRYPTO {
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status = "okay";
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};
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&PKA {
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status = "okay";
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};
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&TRNG {
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status = "okay";
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};
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&SATA1 {
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status = "okay";
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};
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&USBOTG0 {
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status = "okay";
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dr_mode = "host";
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};
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&EBC0 {
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ndfc@1,0 {
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status = "okay";
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/* 128 MiB Nand Flash */
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nand {
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partition0,0@0 {
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label = "NAND 128MiB 3,3V 8-bit";
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reg = <0x00000000 0x08000000>;
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read-only;
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};
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partition0,1@0 {
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label = "uboot";
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reg = <0x00000000 0x00180000>;
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read-only;
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};
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partition0,2@180000 {
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label = "device-tree";
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reg = <0x00180000 0x00020000>;
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};
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partition0,3@180000 {
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label = "kernel";
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reg = <0x00180000 0x00380000>;
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/*
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* device-tree is @ 0x00180000 - 0x001fffff
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* kernel starts from 0x200000.
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* this is coded into netgear's u-boot.
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*
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* this partition will also contain a
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* fake/empty rootfs at the end to fool
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* Netgear's uboot rootfs integrety checks.
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*/
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};
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partition0,4@500000 {
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label = "ubi";
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reg = <0x00500000 0x014e0000>;
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};
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partition0,5@19e0000 {
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label = "config";
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reg = <0x019e0000 0x00080000>;
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read-only;
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};
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partition0,6@1a60000 {
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label = "pot";
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reg = <0x01a60000 0x00080000>;
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read-only;
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};
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partition0,7@1ae0000 {
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label = "traffic_meter";
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reg = <0x01ae0000 0x00300000>;
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read-only;
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};
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partition0,8@1de0000 {
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label = "language";
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reg = <0x01de0000 0x001c0000>;
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read-only;
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};
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partition0,9@1fa0000 {
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label = "ecos";
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reg = <0x01fa0000 0x06020000>;
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read-only;
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};
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partition0,10@7fc0000 {
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label = "wifi_data";
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reg = <0x07fc0000 0x00040000>;
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read-only;
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};
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partition0,11@180000 {
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label = "firmware";
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reg = <0x00180000 0x01860000>;
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read-only;
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};
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};
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};
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};
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&UART0 {
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status = "okay";
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};
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&GPIO0 {
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status = "okay";
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#interrupt-cells = <2>;
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interrupt-controller;
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interrupts-extended = <&UIC1 0x14>,
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<&UIC1 0x1e>,
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<&UIC1 0x1f>,
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<&UIC2 0x19>;
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};
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&IIC0 {
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status = "okay";
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fan0: fan@1b {
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compatible = "microchip,tc654";
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reg = <0x1b>;
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cooling-min-level = <0>;
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cooling-max-level = <255>;
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#cooling-cells = <2>; /* min followed by max */
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gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>; /* fan status */
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alarm-gpios = <&GPIO0 5 GPIO_ACTIVE_LOW>; /* fault */
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interrupt-parent = <&UIC3>;
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interrupts = <0x16 IRQ_TYPE_EDGE_FALLING>; /* fault */
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};
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temp0: temp@4d {
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compatible = "gmt,g781";
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reg = <0x4d>;
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#thermal-sensor-cells = <1>;
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/*
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* The LM90 has two sensors:
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* temp0 -> internal to LM90
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* temp1 -> external NTC near CPU
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*/
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};
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};
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&EMAC0 {
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status = "okay";
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phy-handle = <&phy0>;
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fifo-entry-size = <10>;
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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phy0: ethernet-phy@0 {
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device_type = "ethernet-phy";
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reg = <0>;
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qca,mib-poll-interval = <500>;
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qca,ar8327-initvals = <
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0x0010 0x40000000
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0x0624 0x007f7f7f
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0x0004 0x07a00000 /* PAD0_MODE */
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0x000c 0x01000000 /* PAD6_MODE */
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0x007c 0x0000007e /* PORT0_STATUS */
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>;
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};
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};
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};
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&POB0 {
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keys {
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compatible = "gpio-keys";
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reset {
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label = "Reset button";
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gpios = <&GPIO0 15 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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interrupt-parent = <&UIC1>;
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interrupts = <0x14 IRQ_TYPE_EDGE_FALLING>;
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debounce-interval = <60>;
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};
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backup_hd {
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label = "Backup HD button";
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gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
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linux,code = <BTN_0>;
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interrupt-parent = <&UIC1>;
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interrupts = <0x1e IRQ_TYPE_EDGE_FALLING>;
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debounce-interval = <60>;
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};
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rfkill {
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label = "RFKILL button";
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gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RFKILL>;
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interrupt-parent = <&UIC1>;
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interrupts = <0x1f IRQ_TYPE_EDGE_FALLING>;
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debounce-interval = <60>;
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};
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wps {
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label = "WPS button";
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gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_WPS_BUTTON>;
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interrupt-parent = <&UIC2>;
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interrupts = <0x19 IRQ_TYPE_EDGE_FALLING>;
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debounce-interval = <60>;
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};
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};
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leds {
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compatible = "gpio-leds";
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status: power-green {
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label = "wndr4700:green:power";
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gpios = <&GPIO0 8 GPIO_ACTIVE_HIGH>;
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};
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failsafe: power-orange {
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label = "wndr4700:orange:power";
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gpios = <&GPIO0 9 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "panic";
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};
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usb-blue {
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label = "wndr4700:blue:usb";
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gpios = <&GPIO0 10 GPIO_ACTIVE_HIGH>;
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};
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logo-white {
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label = "wndr4700:white:logo";
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gpios = <&GPIO0 11 GPIO_ACTIVE_HIGH>;
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};
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wan-yellow {
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label = "wndr4700:yellow:wan";
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gpios = <&GPIO0 3 GPIO_ACTIVE_HIGH>;
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};
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wan-green {
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label = "wndr4700:green:wan";
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gpios = <&GPIO0 12 GPIO_ACTIVE_HIGH>;
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};
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hd-green {
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label = "wndr4700:green:hd";
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gpios = <&GPIO0 14 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "disk-activity";
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};
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hd-red {
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label = "wndr4700:red:hd";
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gpios = <&GPIO0 17 GPIO_ACTIVE_HIGH>;
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};
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wlan-blue {
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label = "wndr4700:blue:wlan";
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gpios = <&GPIO0 18 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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&PCIE0 {
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status = "okay";
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};
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&MSI {
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status = "okay";
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};
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