[PATCH 04/17] ARM: dts: sunxi: Add dtsi for AXP209 PMIC

Chen-Yu Tsai wens at csie.org
Tue Jan 6 11:09:09 PST 2015


Hi,

On Tue, Jan 6, 2015 at 11:58 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> Hi,
>
> On Tue, Jan 06, 2015 at 10:35:14AM +0800, Chen-Yu Tsai wrote:
>> The AXP209 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.
>>
>> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
>> ---
>>  arch/arm/boot/dts/axp209.dtsi | 87 +++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 87 insertions(+)
>>  create mode 100644 arch/arm/boot/dts/axp209.dtsi
>>
>> diff --git a/arch/arm/boot/dts/axp209.dtsi b/arch/arm/boot/dts/axp209.dtsi
>> new file mode 100644
>> index 000000000000..3c38cbafe285
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/axp209.dtsi
>> @@ -0,0 +1,87 @@
>> +/*
>> + * 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.
>> + *
>> + *     You should have received a copy of the GNU General Public
>> + *     License along with this file; if not, write to the Free
>> + *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
>> + *     MA 02110-1301 USA
>> + *
>> + * 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.
>> + */
>> +
>> +/*
>> + * AXP202/209 Integrated Power Management Chip
>> + * http://www.x-powers.com/product/AXP20X.php
>> + * http://dl.linux-sunxi.org/AXP/AXP209%20Datasheet%20v1.0_cn.pdf
>> + */
>> +
>> +&axp209 {
>> +     regulators {
>> +             /* Default work frequency for buck regulators */
>> +             x-powers,dcdc-freq = <1500>;
>> +
>> +             /* This section lists all the regulators */
>
> I don't think this comment is necessary.
>
>> +             reg_dcdc2: dcdc2 {
>> +             };
>> +
>> +             reg_dcdc3: dcdc3 {
>> +             };
>> +
>> +             reg_ldo1: ldo1 {
>> +                     /* LDO1 is a fixed output regulator */
>> +                     regulator-always-on;
>> +                     regulator-min-microvolt = <1300000>;
>> +                     regulator-max-microvolt = <1300000>;
>> +             };
>> +
>> +             reg_ldo2: ldo2 {
>> +             };
>> +
>> +             reg_ldo3: ldo3 {
>> +             };
>> +
>> +             reg_ldo4: ldo4 {
>> +             };
>> +
>> +             reg_ldo5: ldo5 {
>> +             };
>
> Some default names for the regulator would be great!

Default names are already given through the regulator driver.
They are full uppercase names, like in the datasheet.

I could add lowercase names here for the default.

ChenYu



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