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971f31bedc
"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>
183 lines
3.0 KiB
Plaintext
183 lines
3.0 KiB
Plaintext
/*
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* Device Tree Source for Meraki MX60/MX60W (Buckminster)
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*
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* Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
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*
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* Based on Cisco Meraki DTS extracted from release wired-12-217818
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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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/ {
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model = "Meraki MX60/MX60W Security Appliance";
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compatible = "meraki,mx60", "meraki,buckminster", "apm,bluestone";
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aliases {
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serial0 = &UART1;
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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@ef600400";
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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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&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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/* Buckminster has 1GiB of NAND */
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ndfc@1,0 {
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status = "okay";
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nand {
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partition@0 {
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label = "u-boot";
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reg = <0x00000000 0x00100000>;
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read-only;
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};
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partition@100000 {
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label = "u-boot-env";
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reg = <0x00100000 0x00100000>;
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read-only;
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};
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partition@200000 {
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label = "oops";
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reg = <0x00200000 0x00040000>;
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};
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partition@240000 {
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label = "ubi";
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reg = <0x00240000 0x3fdc0000>;
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};
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};
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};
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};
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&UART1 {
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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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};
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&IIC0 {
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status = "okay";
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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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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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compatible = "ethernet-phy-id004d.d034";
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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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leds {
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compatible = "gpio-leds";
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status: power-green {
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label = "mx60:green:power";
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gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
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};
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failsafe: power-orange {
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label = "mx60:orange:power";
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gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
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};
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wan-green {
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label = "mx60:green:wan";
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gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
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};
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wan-orange {
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label = "mx60:orange:wan";
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gpios = <&GPIO0 15 GPIO_ACTIVE_LOW>;
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};
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lan1 {
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label = "mx60:green:lan1";
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gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
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};
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lan2 {
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label = "mx60:green:lan2";
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gpios = <&GPIO0 21 GPIO_ACTIVE_LOW>;
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};
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lan3 {
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label = "mx60:green:lan3";
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gpios = <&GPIO0 22 GPIO_ACTIVE_LOW>;
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};
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lan4 {
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label = "mx60:green:lan4";
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gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
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};
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};
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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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linux,code = <KEY_RESTART>;
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gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
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interrupt-parent = <&UIC1>;
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interrupts = <0x15 IRQ_TYPE_EDGE_FALLING>;
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debounce-interval = <60>;
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};
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};
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};
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&PCIE0 {
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/* Leave this enabled as u-boot on the MX60 will disable it for us */
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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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