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MIPS: ralink: Add GARDENA smart Gateway MT7688 board

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This patch adds support for the GARDENA smart Gateway, which is based on
the MediaTek MT7688 SoC. It is equipped with 128 MiB of DDR and 8 MiB of
flash (SPI NOR) and additional 128MiB SPI NAND storage.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Harvey Hunt <harveyhuntnexus@gmail.com>
Cc: John Crispin <john@phrozen.org>
Cc: linux-mips@vger.kernel.org
This commit is contained in:
Stefan Roese 2019-08-12 12:36:55 +02:00 committed by Paul Burton
parent 4ce8a03c41
commit 376357aca7
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GPG Key ID: 3EA79FACB57500DD
1 changed files with 197 additions and 0 deletions
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arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts Normal file
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 Stefan Roese <sr@denx.de>
*/
/dts-v1/;
/include/ "mt7628a.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
compatible = "gardena,smart-gateway-mt7688", "ralink,mt7688a-soc",
"ralink,mt7628a-soc";
model = "GARDENA smart Gateway (MT7688)";
memory@0 {
device_type = "memory";
reg = <0x0 0x8000000>;
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinmux_gpio_gpio>; /* GPIO11 */
user_btn1 {
label = "USER_BTN1";
gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
linux,code =<KEY_PROG1> ;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinmux_pwm0_gpio>, /* GPIO18 */
<&pinmux_pwm1_gpio>, /* GPIO19 */
<&pinmux_sdmode_gpio>, /* GPIO22..29 */
<&pinmux_p0led_an_gpio>; /* GPIO43 */
/*
* <&pinmux_i2s_gpio> (covers GPIO0..3) is needed here as
* well for GPIO3. But this is already claimed for uart1
* (see below). So we can't include it in this LED node.
*/
power_blue {
label = "smartgw:power:blue";
gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
power_green {
label = "smartgw:power:green";
gpios = <&gpio 19 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
power_red {
label = "smartgw:power:red";
gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
radio_blue {
label = "smartgw:radio:blue";
gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
radio_green {
label = "smartgw:radio:green";
gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
radio_red {
label = "smartgw:radio:red";
gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
internet_blue {
label = "smartgw:internet:blue";
gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
internet_green {
label = "smartgw:internet:green";
gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
internet_red {
label = "smartgw:internet:red";
gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
ethernet_link {
label = "smartgw:eth:link";
gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
linux,default-trigger = "netdev";
};
ethernet_activity {
label = "smartgw:eth:act";
gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
linux,default-trigger = "netdev";
};
};
aliases {
serial0 = &uart0;
};
};
&i2c {
status = "okay";
};
&spi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinmux_spi_spi>, <&pinmux_spi_cs1_cs>;
m25p80@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <40000000>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "uboot";
reg = <0x0 0xa0000>;
read-only;
};
partition@a0000 {
label = "uboot_env0";
reg = <0xa0000 0x10000>;
};
partition@b0000 {
label = "uboot_env1";
reg = <0xb0000 0x10000>;
};
factory: partition@c0000 {
label = "factory";
reg = <0xc0000 0x10000>;
read-only;
};
};
};
nand_flash@1 {
compatible = "spi-nand";
linux,mtd-name = "gd5f";
reg = <1>;
spi-max-frequency = <40000000>;
};
};
&uart1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinmux_i2s_gpio>; /* GPIO0..3 */
rts-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
};
&uart2 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinmux_p2led_an_gpio>, /* GPIO41 */
<&pinmux_p3led_an_gpio>; /* GPIO40 */
rts-gpios = <&gpio 40 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
};
&watchdog {
status = "okay";
};