Commit dda17e39 authored by Horatiu Vultur's avatar Horatiu Vultur Committed by Daniel Schwierzeck

MSCC: add device tree for Serval pcb105 board

Add device tree based on evaluation board pcb105.
Signed-off-by: default avatarHoratiu Vultur <horatiu.vultur@microchip.com>
parent 1895b87e
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Microsemi Corporation
*/
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "mscc,serval";
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "mips,mips24KEc";
device_type = "cpu";
clocks = <&cpu_clk>;
reg = <0>;
};
};
aliases {
serial0 = &uart0;
};
cpuintc: interrupt-controller@0 {
#address-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
compatible = "mti,cpu-interrupt-controller";
};
cpu_clk: cpu-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <416666666>;
};
sys_clk: sys-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <208333333>;
};
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 0x70000000 0x2000000>;
interrupt-parent = <&intc>;
cpu_ctrl: syscon@0 {
compatible = "mscc,serval-cpu-syscon", "syscon";
reg = <0x0 0x2c>;
};
intc: interrupt-controller@70 {
compatible = "mscc,serval-icpu-intr";
reg = <0x70 0x70>;
#interrupt-cells = <1>;
interrupt-controller;
interrupt-parent = <&cpuintc>;
interrupts = <2>;
};
uart0: serial@100000 {
pinctrl-0 = <&uart_pins>;
pinctrl-names = "default";
compatible = "ns16550a";
reg = <0x100000 0x20>;
interrupts = <6>;
clocks = <&ahb_clk>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
};
uart2: serial@100800 {
pinctrl-0 = <&uart2_pins>;
pinctrl-names = "default";
compatible = "ns16550a";
reg = <0x100800 0x20>;
interrupts = <7>;
clocks = <&ahb_clk>;
reg-io-width = <4>;
reg-shift = <2>;
status = "disabled";
};
reset@1070008 {
compatible = "mscc,serval-chip-reset";
reg = <0x1070008 0x4>;
};
gpio: pinctrl@1070034 {
compatible = "mscc,serval-pinctrl";
reg = <0x1070034 0x68>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&gpio 0 0 22>;
sgpio_pins: sgpio-pins {
pins = "GPIO_0", "GPIO_2", "GPIO_3", "GPIO_1";
function = "sio";
};
uart_pins: uart-pins {
pins = "GPIO_26", "GPIO_27";
function = "uart";
};
uart2_pins: uart2-pins {
pins = "GPIO_13", "GPIO_14";
function = "uart2";
};
};
spi0: spi-bitbang {
compatible = "mscc,luton-bb-spi";
status = "okay";
reg = <0x50 0x4>;
num-chipselects = <1>;
#address-cells = <1>;
#size-cells = <0>;
};
sgpio: gpio@10700b4 {
compatible = "mscc,luton-sgpio";
status = "disabled";
clocks = <&sys_clk>;
pinctrl-0 = <&sgpio_pins>;
pinctrl-names = "default";
reg = <0x10700b4 0x100>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&sgpio 0 0 64>;
};
};
};
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Microsemi Corporation
*/
/dts-v1/;
#include "mscc,serval.dtsi"
/ {
model = "Serval PCB105 Reference Board";
compatible = "mscc,serval-pcb105", "mscc,serval";
aliases {
spi0 = &spi0;
serial0 = &uart0;
};
chosen {
stdout-path = "serial0:115200n8";
};
gpio-leds {
compatible = "gpio-leds";
status_green {
label = "pcb105:green:status";
gpios = <&sgpio 43 1>; /* p11.1 */
default-state = "on";
};
status_red {
label = "pcb105:red:status";
gpios = <&sgpio 11 1>; /* p11.0 */
default-state = "off";
};
};
};
&uart0 {
status = "okay";
};
&spi0 {
status = "okay";
spi-flash@0 {
compatible = "spi-flash";
spi-max-frequency = <18000000>; /* input clock */
reg = <0>; /* CS0 */
spi-cs-high;
};
};
&sgpio {
status = "okay";
sgpio-ports = <0x00FFFFFF>;
};
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