Re: [PATCH v1 09/10] ARM: dts: introduce MPS2 AN385/AN386

From: Vladimir Murzin
Date: Wed Dec 23 2015 - 04:34:13 EST

I'd very appreciate some feedback on this (and following) patch from DT
camp, so I could incorporate them in the next attempt after merge window
closed.

Merry Christmas!
Vladimir

On 02/12/15 09:33, Vladimir Murzin wrote:
> Application Notes 385 and 386 shares the same memory map and features
> except the CPU is used. AN385 is supplied with Cortex-M3 CPU and AN386
> is supplied with Cortex-M4.
>
> Signed-off-by: Vladimir Murzin <vladimir.murzin@xxxxxxx>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/mps2-an385.dts | 90 +++++++++++++++
> arch/arm/boot/dts/mps2.dtsi | 227 ++++++++++++++++++++++++++++++++++++++
> 3 files changed, 318 insertions(+)
> create mode 100644 arch/arm/boot/dts/mps2-an385.dts
> create mode 100644 arch/arm/boot/dts/mps2.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 30bbc37..4ef3720 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -237,6 +237,7 @@ dtb-$(CONFIG_ARCH_MMP) += \
> dtb-$(CONFIG_MACH_MESON8B) += \
> meson8b-mxq.dtb \
> meson8b-odroidc1.dtb
> +dtb-$(CONFIG_ARCH_MPS2) += mps2-an385.dtb
> dtb-$(CONFIG_ARCH_MOXART) += \
> moxart-uc7112lx.dtb
> dtb-$(CONFIG_SOC_IMX1) += \
> diff --git a/arch/arm/boot/dts/mps2-an385.dts b/arch/arm/boot/dts/mps2-an385.dts
> new file mode 100644
> index 0000000..ddb03d3
> --- /dev/null
> +++ b/arch/arm/boot/dts/mps2-an385.dts
> @@ -0,0 +1,90 @@
> +/*
> + * Copyright (C) 2015 ARM Limited
> + *
> + * Author: Vladimir Murzin <vladimir.murzin@xxxxxxx>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + * a) This file is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This file 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.
> + *
> + * Or, alternatively,
> + *
> + * b) Permission is hereby granted, free of charge, to any person
> + * obtaining a copy of this software and associated documentation
> + * files (the "Software"), to deal in the Software without
> + * restriction, including without limitation the rights to use,
> + * copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following
> + * conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> + * included in all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +
> +#include "mps2.dtsi"
> +
> +/ {
> + model = "ARM MPS2 Application Note 385/386";
> + compatible = "arm,mps2";
> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + bootargs = "init=/sbin/init earlycon";
> + stdout-path = "serial0:9600n8";
> + };
> +
> + memory {
> + device_type = "memory";
> + reg = <0x21000000 0x1000000>;
> + };
> +
> + ethernet@40200000 {
> + compatible = "smsc,lan9220", "smsc,lan9115";
> + reg = <0x40200000 0x10000>;
> + interrupts = <13>;
> + interrupt-parent = <&nvic>;
> + smsc,irq-active-high;
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&timer0 {
> + status = "okay";
> +};
> +
> +&timer1 {
> + status = "okay";
> +};
> +
> +&wdt {
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/mps2.dtsi b/arch/arm/boot/dts/mps2.dtsi
> new file mode 100644
> index 0000000..5d2c539
> --- /dev/null
> +++ b/arch/arm/boot/dts/mps2.dtsi
> @@ -0,0 +1,227 @@
> +/*
> + * Copyright (C) 2015 ARM Limited
> + *
> + * Author: Vladimir Murzin <vladimir.murzin@xxxxxxx>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + * a) This file is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This file 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.
> + *
> + * Or, alternatively,
> + *
> + * b) Permission is hereby granted, free of charge, to any person
> + * obtaining a copy of this software and associated documentation
> + * files (the "Software"), to deal in the Software without
> + * restriction, including without limitation the rights to use,
> + * copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following
> + * conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> + * included in all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +#include "armv7-m.dtsi"
> +
> +/ {
> + oscclk0: clk-osc0 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <50000000>;
> + };
> +
> + oscclk1: clk-osc1 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <24576000>;
> + };
> +
> + oscclk2: clk-osc2 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <25000000>;
> + };
> +
> + cfgclk: clk-cfg {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <5000000>;
> + };
> +
> + spicfgclk: clk-spicfg {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <75000000>;
> + };
> +
> + sysclk: clk-sys {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk0>;
> + #clock-cells = <0>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + audmclk: clk-audm {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk1>;
> + #clock-cells = <0>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + audsclk: clk-auds {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk1>;
> + #clock-cells = <0>;
> + clock-div = <8>;
> + clock-mult = <1>;
> + };
> +
> + spiclcd: clk-cpiclcd {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk0>;
> + #clock-cells = <0>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + spicon: clk-spicon {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk0>;
> + #clock-cells = <0>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + i2cclcd: clk-i2cclcd {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk0>;
> + #clock-cells = <0>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + i2caud: clk-i2caud {
> + compatible = "fixed-factor-clock";
> + clocks = <&oscclk0>;
> + #clock-cells = <0>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> +
> + soc {
> + compatible = "simple-bus";
> + ranges;
> +
> + apb {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x40000000 0x10000>;
> +
> + timer0: mps2-timer0@0 {
> + compatible = "arm,mps2-timer";
> + reg = <0x0 0x1000>;
> + interrupts = <8>;
> + clocks = <&sysclk>;
> + status = "disabled";
> + };
> +
> + timer1: mps2-timer1@1000 {
> + compatible = "arm,mps2-timer";
> + reg = <0x1000 0x1000>;
> + interrupts = <9>;
> + clocks = <&sysclk>;
> + status = "disabled";
> + };
> +
> + timer2: dual-timer@2000 {
> + compatible = "arm,sp804";
> + reg = <0x2000 0x1000>;
> + clocks = <&sysclk>;
> + interrupts = <10>;
> + status = "disabled";
> + };
> +
> +
> + uart0: serial@4000 {
> + compatible = "arm,mps2-uart";
> + reg = <0x4000 0x1000>;
> + interrupts = <0 1 12>;
> + clocks = <&sysclk>;
> + status = "disabled";
> + };
> +
> + uart1: serial@5000 {
> + compatible = "arm,mps2-uart";
> + reg = <0x5000 0x1000>;
> + interrupts = <2 3 12>;
> + clocks = <&sysclk>;
> + status = "disabled";
> + };
> +
> + uart2: serial@6000 {
> + compatible = "arm,mps2-uart";
> + reg = <0x6000 0x1000>;
> + interrupts = <4 5 12>;
> + clocks = <&sysclk>;
> + status = "disabled";
> + };
> +
> + wdt: watchdog@8000 {
> + compatible = "arm,sp805", "arm,primecell";
> + arm,primecell-periphid = <0x00141805>;
> + reg = <0x8000 0x1000>;
> + interrupts = <0>;
> + clocks = <&sysclk>;
> + clock-names = "apb_pclk";
> + status = "disabled";
> + };
> + };
> +
> + fpgaio {
> + compatible = "syscon", "simple-mfd";
> + reg = <0x40028000 0x10>;
> +
> + led@0 {
> + compatible = "register-bit-led";
> + offset = <0x0>;
> + mask = <0x01>;
> + label = "userled:0";
> + linux,default-trigger = "heartbeat";
> + default-state = "on";
> + };
> +
> + led@1 {
> + compatible = "register-bit-led";
> + offset = <0x0>;
> + mask = <0x02>;
> + label = "userled:1";
> + linux,default-trigger = "usr";
> + default-state = "off";
> + };
> + };
> + };
> +};
>

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