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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Microsemi Corporation
*/
#include <dt-bindings/gpio/gpio.h>
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "mscc,luton";
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "mips,mips24KEc";
device_type = "cpu";
reg = <0>;
};
};
aliases {
serial0 = &uart0;
};
sys_clk: sys-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <250000000>;
};
ahb_clk: ahb-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <208333333>;
};
ahb {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x60000000 0x10200000>;
uart0: serial@10100000 {
pinctrl-0 = <&uart_pins>;
pinctrl-names = "default";
compatible = "ns16550a";
reg = <0x10100000 0x20>;
clocks = <&ahb_clk>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
};
gpio: pinctrl@70068 {
compatible = "mscc,luton-pinctrl";
reg = <0x70068 0x68>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&gpio 0 0 32>;
sgpio_pins: sgpio-pins {
pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
function = "sio";
};
uart_pins: uart-pins {
pins = "GPIO_30", "GPIO_31";
function = "uart";
};
};
sgpio: gpio@70130 {
compatible = "mscc,luton-sgpio";
status = "disabled";
clocks = <&sys_clk>;
pinctrl-0 = <&sgpio_pins>;
pinctrl-names = "default";
reg = <0x0070130 0x100>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&sgpio 0 0 64>;
};
gpio_spi_bitbang: gpio@10000064 {
compatible = "mscc,spi-bitbang-gpio";
reg = <0x10000064 0x4>;
gpio-controller;
#gpio-cells = <2>;
};
spi0: spi-bitbang {
compatible = "spi-gpio";
status = "okay";
gpio-sck = <&gpio_spi_bitbang 6 0>;
gpio-miso = <&gpio_spi_bitbang 0 0>;
gpio-mosi = <&gpio_spi_bitbang 5 0>;
cs-gpios = <&gpio_spi_bitbang 1 0>;
num-chipselects = <1>;
#address-cells = <1>;
#size-cells = <0>;
};
};
};
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