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    Subject[PATCH v3 11/12] ARM: dts: add support for Vybrid running on Cortex-M4
    Date
    This adds an initial device tree to run Linux on the Cortex-M4 on
    the Vybrid based Colibri VF61 module.

    Signed-off-by: Stefan Agner <stefan@agner.ch>
    ---
    arch/arm/boot/dts/Makefile | 1 +
    arch/arm/boot/dts/vf610m4-colibri.dts | 98 +++++++++++++++++++++++++++++++++++
    arch/arm/boot/dts/vf610m4.dtsi | 50 ++++++++++++++++++
    3 files changed, 149 insertions(+)
    create mode 100644 arch/arm/boot/dts/vf610m4-colibri.dts
    create mode 100644 arch/arm/boot/dts/vf610m4.dtsi

    diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
    index a1c776b..3a6ff9f 100644
    --- a/arch/arm/boot/dts/Makefile
    +++ b/arch/arm/boot/dts/Makefile
    @@ -309,6 +309,7 @@ dtb-$(CONFIG_SOC_LS1021A) += \
    dtb-$(CONFIG_SOC_VF610) += \
    vf500-colibri-eval-v3.dtb \
    vf610-colibri-eval-v3.dtb \
    + vf610m4-colibri.dtb \
    vf610-cosmic.dtb \
    vf610-twr.dtb
    dtb-$(CONFIG_ARCH_MXS) += \
    diff --git a/arch/arm/boot/dts/vf610m4-colibri.dts b/arch/arm/boot/dts/vf610m4-colibri.dts
    new file mode 100644
    index 0000000..acd6cb5
    --- /dev/null
    +++ b/arch/arm/boot/dts/vf610m4-colibri.dts
    @@ -0,0 +1,98 @@
    +/*
    + * Device tree for Colibri VF61 Cortex-M4 support
    + *
    + * Copyright (C) 2015 Stefan Agner
    + *
    + * 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 , 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 "vf610m4.dtsi"
    +
    +/ {
    + model = "VF610 Cortex-M4";
    + compatible = "fsl,vf610m4";
    +
    + chosen {
    + bootargs = "console=ttyLP2,115200 clk_ignore_unused init=/linuxrc rw";
    + };
    +
    + memory {
    + reg = <0x8c000000 0x3000000>;
    + };
    +};
    +
    +&gpio0 {
    + status = "disabled";
    +};
    +
    +&gpio1 {
    + status = "disabled";
    +};
    +
    +&gpio2 {
    + status = "disabled";
    +};
    +
    +&gpio3 {
    + status = "disabled";
    +};
    +
    +&gpio4 {
    + status = "disabled";
    +};
    +
    +&uart2 {
    + pinctrl-names = "default";
    + pinctrl-0 = <&pinctrl_uart2>;
    + status = "okay";
    +};
    +
    +&iomuxc {
    + vf610-colibri {
    + pinctrl_uart2: uart2grp {
    + fsl,pins = <
    + VF610_PAD_PTD0__UART2_TX 0x21a2
    + VF610_PAD_PTD1__UART2_RX 0x21a1
    + VF610_PAD_PTD2__UART2_RTS 0x21a2
    + VF610_PAD_PTD3__UART2_CTS 0x21a1
    + >;
    + };
    + };
    +};
    diff --git a/arch/arm/boot/dts/vf610m4.dtsi b/arch/arm/boot/dts/vf610m4.dtsi
    new file mode 100644
    index 0000000..9ffe2eb
    --- /dev/null
    +++ b/arch/arm/boot/dts/vf610m4.dtsi
    @@ -0,0 +1,50 @@
    +/*
    + * Device tree for VF6xx Cortex-M4 support
    + *
    + * Copyright (C) 2015 Stefan Agner
    + *
    + * 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 , 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"
    +#include "vfxxx.dtsi"
    +
    +&mscm_ir {
    + interrupt-parent = <&nvic>;
    +};
    --
    2.3.1


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