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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f328c2eac5
This adds the basic pin control muliplexing settings for the Gemini SoC: parallel (NOR) flash, SATA, optional IDE, PCI and UART. We also select the right GPIO groups on all applicable systems so that GPIO keys/LEDs work smoothly. We can then build upon this for more complex systems. Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
129 lines
2.4 KiB
Plaintext
129 lines
2.4 KiB
Plaintext
/*
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* Device Tree file for Wiliboard WBD-222
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*/
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/dts-v1/;
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#include "gemini.dtsi"
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#include <dt-bindings/input/input.h>
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/ {
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model = "Wiliboard WBD-222";
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compatible = "wiliboard,wbd222", "cortina,gemini";
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#address-cells = <1>;
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#size-cells = <1>;
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memory { /* 128 MB */
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device_type = "memory";
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reg = <0x00000000 0x8000000>;
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};
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chosen {
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bootargs = "console=ttyS0,115200n8";
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stdout-path = &uart0;
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};
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gpio_keys {
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compatible = "gpio-keys";
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#address-cells = <1>;
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#size-cells = <0>;
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button@5 {
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debounce_interval = <50>;
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wakeup-source;
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linux,code = <KEY_SETUP>;
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label = "reset";
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/* Conflict with ICE */
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gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
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};
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};
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leds {
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compatible = "gpio-leds";
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led@1 {
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label = "wbd111:red:L3";
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/* Conflict with TVC and extended parallel flash */
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gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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led@2 {
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label = "wbd111:green:L4";
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/* Conflict with TVC and extended parallel flash */
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gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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led@3 {
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label = "wbd111:red:L4";
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/* Conflict with TVC and extended parallel flash */
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gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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led@5 {
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label = "wbd111:green:L3";
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/* Conflict with TVC and extended parallel flash */
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gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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linux,default-trigger = "heartbeat";
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};
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};
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soc {
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flash@30000000 {
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status = "okay";
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/* 8MB of flash */
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reg = <0x30000000 0x00800000>;
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partition@0 {
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label = "RedBoot";
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reg = <0x00000000 0x00020000>;
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read-only;
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};
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partition@20000 {
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label = "kernel";
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reg = <0x00020000 0x00100000>;
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};
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partition@120000 {
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label = "rootfs";
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reg = <0x00120000 0x006a0000>;
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};
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partition@7c0000 {
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label = "VCTL";
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reg = <0x007c0000 0x00010000>;
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read-only;
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};
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partition@7d0000 {
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label = "cfg";
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reg = <0x007d0000 0x00010000>;
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read-only;
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};
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partition@7e0000 {
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label = "FIS";
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reg = <0x007e0000 0x00010000>;
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read-only;
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};
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};
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syscon: syscon@40000000 {
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pinctrl {
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/*
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* gpio0agrp cover line 0-4
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* gpio0bgrp cover line 5
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*/
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gpio0_default_pins: pinctrl-gpio0 {
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mux {
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function = "gpio0";
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groups = "gpio0agrp",
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"gpio0bgrp";
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};
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};
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};
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};
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gpio0: gpio@4d000000 {
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pinctrl-names = "default";
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pinctrl-0 = <&gpio0_default_pins>;
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};
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};
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};
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