linux-kernel - Re: [PATCH 2/2] dt-bindings: i2c-stm32: update optional properties for stm32h7/stm32mp1

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Date:   Thu, 21 Mar 2019 09:28:52 +0100
From:   Pierre Yves MORDRET <pierre-yves.mordret@...com>
To:     Bich HEMON <bich.hemon@...com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Wolfram Sang <wsa@...-dreams.de>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] dt-bindings: i2c-stm32: update optional properties
 for stm32h7/stm32mp1

Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@...com>

On 3/6/19 4:11 PM, Bich HEMON wrote:
> Add STM32H7 and STM32MP1 in the list of compatible socs for each
> optional property.
> 
> Signed-off-by: Bich Hemon <bich.hemon@...com>
> ---
>  Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
> index 7d054f1..f334738 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
> @@ -19,18 +19,19 @@ Optional properties:
>    the default 100 kHz frequency will be used.
>    For STM32F4 SoC Standard-mode and Fast-mode are supported, possible values are
>    100000 and 400000.
> -  For STM32F7 SoC, Standard-mode, Fast-mode and Fast-mode Plus are supported,
> -  possible values are 100000, 400000 and 1000000.
> -- i2c-scl-rising-time-ns: Only for STM32F7, I2C SCL Rising time for the board
> -  (default: 25)
> -- i2c-scl-falling-time-ns: Only for STM32F7, I2C SCL Falling time for the board
> -  (default: 10)
> +  For STM32F7, STM32H7 and STM32MP1 SoCs, Standard-mode, Fast-mode and Fast-mode
> +  Plus are supported, possible values are 100000, 400000 and 1000000.
> +- i2c-scl-rising-time-ns: I2C SCL Rising time for the board (default: 25)
> +  For STM32F7, STM32H7 and STM32MP1 only.
> +- i2c-scl-falling-time-ns: I2C SCL Falling time for the board (default: 10)
> +  For STM32F7, STM32H7 and STM32MP1 only.
>    I2C Timings are derived from these 2 values
> -- st,syscfg-fmp: Only for STM32F7, use to set Fast Mode Plus bit within SYSCFG
> -  whether Fast Mode Plus speed is selected by slave.
> +- st,syscfg-fmp: Use to set Fast Mode Plus bit within SYSCFG when Fast Mode
> +  Plus speed is selected by slave.
>  	1st cell: phandle to syscfg
>  	2nd cell: register offset within SYSCFG
>  	3rd cell: register bitmask for FMP bit
> +  For STM32F7, STM32H7 and STM32MP1 only.
>  
>  Example:
>  
>