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

Pierre Yves MORDRET pierre-yves.mordret at st.com
Thu Mar 21 01:28:52 PDT 2019


Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret at st.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 at st.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:
>  
> 



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