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ARM: dts: Alpine platform devicetree 

This patch introduces devicetree for the Alpine platform, and
for a development board based on the same platform.

Signed-off-by: Barak Wasserstrom <barak@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
hifive-unleashed-5.1
Tsahee Zidenberg 2015-03-12 13:53:12 +02:00 committed by Arnd Bergmann
parent 05e6d23296
commit 841990b6b3
3 changed files with 178 additions and 0 deletions
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2
arch/arm/boot/dts/Makefile
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@ -1,5 +1,7 @@
ifeq ($(CONFIG_OF),y)
dtb-$(CONFIG_ARCH_ALPINE) += \
alpine_db.dtb
dtb-$(CONFIG_MACH_ASM9260) += \
alphascale-asm9260-devkit.dtb
# Keep at91 dtb files sorted alphabetically for each SoC

35
arch/arm/boot/dts/alpine-db.dts 100644
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@ -0,0 +1,35 @@
/*
* Copyright 2015 Annapurna Labs Ltd.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* Alternatively, redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
/dts-v1/;
#include "alpine.dtsi"
/ {
model = "Annapurna Labs Alpine Dev Board";
/* no need for anything outside SOC */
};

141
arch/arm/boot/dts/alpine.dtsi 100644
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@ -0,0 +1,141 @@
/*
* Copyright 2015 Annapurna Labs Ltd.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* Alternatively, redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "skeleton64.dtsi"
/ {
/* SOC compatibility */
compatible = "al,alpine";
/* CPU Configuration */
cpus {
#address-cells = <1>;
#size-cells = <0>;
enable-method = "al,alpine-smp";
cpu@0 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <0>;
clock-frequency = <0>; /* Filled by loader */
};
cpu@1 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <1>;
clock-frequency = <0>; /* Filled by loader */
};
cpu@2 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <2>;
clock-frequency = <0>; /* Filled by loader */
};
cpu@3 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <3>;
clock-frequency = <0>; /* Filled by loader */
};
};
soc {
#address-cells = <2>;
#size-cells = <2>;
compatible = "simple-bus";
interrupt-parent = <&gic>;
ranges;
arch-timer {
compatible = "arm,cortex-a15-timer",
"arm,armv7-timer";
interrupts =
<GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
clock-frequency = <0>; /* Filled by loader */
};
/* Interrupt Controller */
gic: gic@fb001000 {
compatible = "arm,cortex-a15-gic";
#interrupt-cells = <3>;
#size-cells = <0>;
#address-cells = <0>;
interrupt-controller;
reg = <0x0 0xfb001000 0x0 0x1000>,
<0x0 0xfb002000 0x0 0x2000>,
<0x0 0xfb004000 0x0 0x1000>,
<0x0 0xfb006000 0x0 0x2000>;
interrupts =
<GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
};
/* CPU Resume registers */
cpu-resume@fbff5ec0 {
compatible = "al,alpine-cpu-resume";
reg = <0x0 0xfbff5ec0 0x0 0x30>;
};
/* North Bridge Service Registers */
sysfabric-service@fb070000 {
compatible = "al,alpine-sysfabric-service", "syscon";
reg = <0x0 0xfb070000 0x0 0x10000>;
};
/* Performance Monitor Unit */
pmu {
compatible = "arm,cortex-a15-pmu";
interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
};
uart0:uart@fd883000 {
compatible = "ns16550a";
reg = <0x0 0xfd883000 0x0 0x1000>;
clock-frequency = <0>; /* Filled by loader */
interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
};
uart1:uart@0xfd884000 {
compatible = "ns16550a";
reg = <0x0 0xfd884000 0x0 0x1000>;
clock-frequency = <0>; /* Filled by loader */
interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
};
};
};