MIPS: mscc: Add ocelot dtsi

Add a device tree include file for the Microsemi Ocelot SoC.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Allan Nielsen <Allan.Nielsen@microsemi.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/18855/
Signed-off-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Alexandre Belloni 2018-03-20 14:07:58 +01:00 committed by James Hogan
parent 2707177e86
commit d843dd530d
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GPG Key ID: 6C0B6993DE38767A
3 changed files with 119 additions and 0 deletions

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@ -4,6 +4,7 @@ subdir-y += cavium-octeon
subdir-y += img
subdir-y += ingenic
subdir-y += lantiq
subdir-y += mscc
subdir-y += mti
subdir-y += netlogic
subdir-y += ni

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@ -0,0 +1 @@
obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))

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@ -0,0 +1,117 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/* Copyright (c) 2017 Microsemi Corporation */
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "mscc,ocelot";
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 {
#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 = <500000000>;
};
ahb_clk: ahb-clk {
compatible = "fixed-factor-clock";
#clock-cells = <0>;
clocks = <&cpu_clk>;
clock-div = <2>;
clock-mult = <1>;
};
ahb@70000000 {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x70000000 0x2000000>;
interrupt-parent = <&intc>;
cpu_ctrl: syscon@0 {
compatible = "mscc,ocelot-cpu-syscon", "syscon";
reg = <0x0 0x2c>;
};
intc: interrupt-controller@70 {
compatible = "mscc,ocelot-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,ocelot-chip-reset";
reg = <0x1070008 0x4>;
};
gpio: pinctrl@1070034 {
compatible = "mscc,ocelot-pinctrl";
reg = <0x1070034 0x68>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&gpio 0 0 22>;
uart_pins: uart-pins {
pins = "GPIO_6", "GPIO_7";
function = "uart";
};
uart2_pins: uart2-pins {
pins = "GPIO_12", "GPIO_13";
function = "uart2";
};
};
};
};