Re: [RFC PATCH] ARM: dts: stm32: change pinctrl bindings definition

From	Alexandre Torgue <alexandre.torgue@st.com>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH] ARM: dts: stm32: change pinctrl bindings definition
Date	2017-07-17 13:30 +0200
Message-ID	<u4cnU-4lE-13@gated-at.bofh.it> (permalink)
References	<u4c4x-4fj-1@gated-at.bofh.it> <u4c4A-4fj-21@gated-at.bofh.it> <u4ced-4iB-5@gated-at.bofh.it>
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Hi

On 07/17/2017 01:15 PM, Arnd Bergmann wrote:
> On Mon, Jul 17, 2017 at 1:00 PM, Alexandre TORGUE
> <alexandre.torgue@st.com> wrote:
>> blabla
>>
>> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
> 
> You may want to provide a little more detail here ;-)
> 
Oh!! Sorry, I changed it but no sent the good commit :).

Please translate blablable by:

Initially each pin was declared in 
"include/dt-bindings/stm32f429-pinfunc.h"and each definition contained 
SOC names (ex: STM32F429_PA9_FUNC_USART1_TX).
Since this approach was approved, the number of supported MCU has
increased (STM32F429/STM32F469/STM32f746/STM32H743). To avoid to add a 
new file in "include/dt-bindings" each time a new STM32 SOC arrives I 
propose a new approach which consist to use a macro to define pin muxing 
in device tree. All STM32 will use the common macro to define pinmux. 
Furthermore, it will make easy maintenance and integration of new SOC.

Regards
Alex

>           Arnd
>

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[RFC PATCH] ARM: dts: stm32: change pinctrl bindings definition Alexandre TORGUE <alexandre.torgue@st.com> - 2017-07-17 13:10 +0200
  Re: [RFC PATCH] ARM: dts: stm32: change pinctrl bindings definition Arnd Bergmann <arnd@arndb.de> - 2017-07-17 13:20 +0200
    Re: [RFC PATCH] ARM: dts: stm32: change pinctrl bindings definition Alexandre Torgue <alexandre.torgue@st.com> - 2017-07-17 13:30 +0200

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