linux_dsm_epyc7002/arch/arm/boot/dts/mt7623.dtsi
John Crispin 7e6c7fe95e arm: dts: mt7623: add clock-frequency to the a7 timer node to mt7623.dtsi
We need to tell the driver what the timers frequency is and that the core
has not be configured by the bootrom. Not doing so makes the unit not
boot.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-09 18:34:49 +02:00

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/*
* Copyright (c) 2016 MediaTek Inc.
* Author: John Crispin <john@phrozen.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that 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/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "skeleton64.dtsi"
/ {
compatible = "mediatek,mt7623";
interrupt-parent = <&sysirq>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
enable-method = "mediatek,mt6589-smp";
cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0x0>;
};
cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0x1>;
};
cpu@2 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0x2>;
};
cpu@3 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0x3>;
};
};
system_clk: dummy13m {
compatible = "fixed-clock";
clock-frequency = <13000000>;
#clock-cells = <0>;
};
rtc_clk: dummy32k {
compatible = "fixed-clock";
clock-frequency = <32000>;
#clock-cells = <0>;
};
uart_clk: dummy26m {
compatible = "fixed-clock";
clock-frequency = <26000000>;
#clock-cells = <0>;
};
timer {
compatible = "arm,armv7-timer";
interrupt-parent = <&gic>;
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
clock-frequency = <13000000>;
arm,cpu-registers-not-fw-configured;
};
watchdog: watchdog@10007000 {
compatible = "mediatek,mt7623-wdt",
"mediatek,mt6589-wdt";
reg = <0 0x10007000 0 0x100>;
};
timer: timer@10008000 {
compatible = "mediatek,mt7623-timer",
"mediatek,mt6577-timer";
reg = <0 0x10008000 0 0x80>;
interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>;
clocks = <&system_clk>, <&rtc_clk>;
clock-names = "system-clk", "rtc-clk";
};
sysirq: interrupt-controller@10200100 {
compatible = "mediatek,mt7623-sysirq",
"mediatek,mt6577-sysirq";
interrupt-controller;
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
reg = <0 0x10200100 0 0x1c>;
};
gic: interrupt-controller@10211000 {
compatible = "arm,cortex-a7-gic";
interrupt-controller;
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
reg = <0 0x10211000 0 0x1000>,
<0 0x10212000 0 0x2000>,
<0 0x10214000 0 0x2000>,
<0 0x10216000 0 0x2000>;
};
uart0: serial@11002000 {
compatible = "mediatek,mt7623-uart",
"mediatek,mt6577-uart";
reg = <0 0x11002000 0 0x400>;
interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart1: serial@11003000 {
compatible = "mediatek,mt7623-uart",
"mediatek,mt6577-uart";
reg = <0 0x11003000 0 0x400>;
interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart2: serial@11004000 {
compatible = "mediatek,mt7623-uart",
"mediatek,mt6577-uart";
reg = <0 0x11004000 0 0x400>;
interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart3: serial@11005000 {
compatible = "mediatek,mt7623-uart",
"mediatek,mt6577-uart";
reg = <0 0x11005000 0 0x400>;
interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
};