mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 00:49:43 +00:00
6492c9168a
Thes patch change the luton base device tree to use the newly added SPI bitbang driver. It also updates the "mscc_luton_defconfig" to use the new driver. Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
96 lines
1.8 KiB
Text
96 lines
1.8 KiB
Text
// 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>;
|
|
};
|
|
|
|
spi0: spi-bitbang {
|
|
compatible = "mscc,luton-bb-spi";
|
|
status = "okay";
|
|
reg = <0x10000064 0x4>;
|
|
num-chipselects = <1>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
};
|
|
};
|
|
};
|