[PATCH 2/6] ARM: dts: sunxi: Add dtsi for AXP221 PMIC
Maxime Ripard
maxime.ripard at free-electrons.com
Fri Aug 28 05:31:59 PDT 2015
On Fri, Aug 28, 2015 at 05:54:35PM +0800, Chen-Yu Tsai wrote:
> The AXP221 PMIC is used with some Allwinner SoCs. This patch adds
> a dtsi file listing all the regulator nodes. The regulators are
> initialized based on their device node names.
>
> This can later be used with the AXP223 PMIC as well, which has
> the same functionality as AXP221, except for its host interface.
>
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
> arch/arm/boot/dts/axp221.dtsi | 148 ++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 148 insertions(+)
> create mode 100644 arch/arm/boot/dts/axp221.dtsi
>
> diff --git a/arch/arm/boot/dts/axp221.dtsi b/arch/arm/boot/dts/axp221.dtsi
> new file mode 100644
> index 000000000000..74836f329863
> --- /dev/null
> +++ b/arch/arm/boot/dts/axp221.dtsi
> @@ -0,0 +1,148 @@
> +/*
> + * Copyright 2015 Chen-Yu Tsai
> + *
> + * Chen-Yu Tsai <wens at csie.org>
> + *
> + * 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.
> + */
> +
> +/*
> + * AXP221/221s/223 Integrated Power Management Chip
> + * http://www.x-powers.com/product/AXP22X.php
> + * http://dl.linux-sunxi.org/AXP/AXP221%20Datasheet%20V1.2%2020130326%20.pdf
> + */
I'm usually not really fond of URLs in the source code and/or the
commit logs. They tend to be broken very easily.
> +
> +&axp221 {
> + compatible = "x-powers,axp221";
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + regulators {
> + /* Default work frequency for buck regulators */
> + x-powers,dcdc-freq = <3000>;
> +
> + /* supplies for dc1sw & dc5ldo are connected internally */
> + dcdc1-supply = <®_dcdc1>;
> + dcdc5-supply = <®_dcdc5>;
so the parent regulator of DCDC1 is DCDC1 ?
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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