mirror of
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>
137 lines
2.5 KiB
Plaintext
137 lines
2.5 KiB
Plaintext
/*
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* Device Tree file for the Gemini-based Raidsonic NAS IB-4220-B
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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 = "Raidsonic NAS IB-4220-B";
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compatible = "raidsonic,ib-4220-b", "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=ttyS0,19200n8";
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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@29 {
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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 = "Backup button";
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/* Conflict with TVC */
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gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
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};
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button@31 {
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debounce_interval = <50>;
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wakeup-source;
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linux,code = <KEY_RESTART>;
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label = "Softreset button";
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/* Conflict with TVC */
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gpios = <&gpio1 31 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@28 {
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label = "nas4220b:orange:hdd";
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/* Conflict with TVC */
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gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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led@30 {
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label = "nas4220b:green:os";
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/* Conflict with TVC */
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gpios = <&gpio1 30 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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/* 16MB of flash */
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reg = <0x30000000 0x01000000>;
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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 0x00300000>;
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};
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partition@320000 {
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label = "Ramdisk";
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reg = <0x00320000 0x00600000>;
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};
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partition@920000 {
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label = "Application";
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reg = <0x00920000 0x00600000>;
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};
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partition@f20000 {
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label = "VCTL";
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reg = <0x00f20000 0x00020000>;
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read-only;
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};
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partition@f40000 {
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label = "CurConf";
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reg = <0x00f40000 0x000a0000>;
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read-only;
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};
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partition@fe0000 {
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label = "FIS directory";
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reg = <0x00fe0000 0x00020000>;
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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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* gpio1dgrp cover line 28-31 otherwise used
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* by TVC.
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*/
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gpio1_default_pins: pinctrl-gpio1 {
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mux {
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function = "gpio1";
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groups = "gpio1dgrp";
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};
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};
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};
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};
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sata: sata@46000000 {
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cortina,gemini-ata-muxmode = <0>;
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cortina,gemini-enable-sata-bridge;
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status = "okay";
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};
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gpio1: gpio@4e000000 {
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pinctrl-names = "default";
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pinctrl-0 = <&gpio1_default_pins>;
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};
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ata@63000000 {
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status = "okay";
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};
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};
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};
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