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>
105 lines
1.9 KiB
Plaintext
105 lines
1.9 KiB
Plaintext
/*
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* Device Tree file for Teltonika RUT1xx
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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 = "Teltonika RUT1xx";
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compatible = "teltonika,rut1xx", "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@28 {
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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 to defaults";
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/* Conflict with TVC */
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gpios = <&gpio1 28 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@7 {
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/* FIXME: add the LED color */
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label = "rut1xx::gsm";
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/* Conflict with ICE */
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gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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led@31 {
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/* FIXME: add the LED color */
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label = "rut1xx::power";
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/* Conflict with NAND CE0 */
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gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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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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/* TODO: add flash partitions here */
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};
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syscon: syscon@40000000 {
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pinctrl {
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/*
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* gpio0bgrp cover line 7 used by GSM LED
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* gpio0fgrp cover line 17 used by power LED
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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 = "gpio0bgrp",
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"gpio0fgrp";
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};
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};
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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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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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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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};
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};
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