Re: [PATCH v2 01/10] pinctrl: dt-bindings: samsung: Add header with values used for configuration

From: Krzysztof Kozlowski
Date: Thu Sep 01 2016 - 07:13:13 EST


On 09/01/2016 01:02 PM, Bartlomiej Zolnierkiewicz wrote:
>
> Hi,
>
> On Thursday, September 01, 2016 09:23:49 AM Krzysztof Kozlowski wrote:
>> Hard-coded pinctrl configuration values are scattered through DTS files.
>> The numbers are difficult to decode by human, especially without the
>> datasheet. Additionally the drive strength differs between Exynos SoC
>> families increasing the confusion.
>>
>> The header will help making this more readable and maintainable.
>>
>> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
>> ---
>> MAINTAINERS | 1 +
>> include/dt-bindings/pinctrl/samsung.h | 57 +++++++++++++++++++++++++++++++++++
>> 2 files changed, 58 insertions(+)
>> create mode 100644 include/dt-bindings/pinctrl/samsung.h
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index d8e81b1dde30..836bcd327ee4 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -9318,6 +9318,7 @@ L: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
>> L: linux-samsung-soc@xxxxxxxxxxxxxxx (moderated for non-subscribers)
>> S: Maintained
>> F: drivers/pinctrl/samsung/
>> +F: include/dt-bindings/pinctrl/samsung.h
>>
>> PIN CONTROLLER - SINGLE
>> M: Tony Lindgren <tony@xxxxxxxxxxx>
>> diff --git a/include/dt-bindings/pinctrl/samsung.h b/include/dt-bindings/pinctrl/samsung.h
>> new file mode 100644
>> index 000000000000..0f410ba5ec7e
>> --- /dev/null
>> +++ b/include/dt-bindings/pinctrl/samsung.h
>> @@ -0,0 +1,57 @@
>> +/*
>> + * Samsung's Exynos pinctrl bindings
>> + *
>> + * Copyright (c) 2016 Samsung Electronics Co., Ltd.
>> + * http://www.samsung.com
>> + * Author: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> +*/
>> +
>> +#ifndef __DT_BINDINGS_PINCTRL_EXYNOS_H__
>> +#define __DT_BINDINGS_PINCTRL_EXYNOS_H__
>
> Minor nit:
>
> shouldn't this be __DT_BINDINGS_PINCTRL_SAMSUNG_H__ (the header file
> is named samsung.h and is going to be used also by s3c* SoCs)?

Yes, it should. Thanks!

Best regards,
Krzysztof