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"; > + }; > + }; > + }; > +}; > -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html