Le 02/12/2015 11:39, Ludovic Desroches a écrit :
> The i2c-sda-hold-time-ns property is supported from atmel,sama5d4-i2c.
>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/i2c/i2c-at91.txt | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
> index 6e81dc1..67c6f2e 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
> @@ -3,7 +3,7 @@ I2C for Atmel platforms
> Required properties :
> - compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c",
> "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c",
> - "atmel,at91sam9x5-i2c" or "atmel,sama5d2-i2c"
> + "atmel,at91sam9x5-i2c", "atmel,sama5d4-i2c" or "atmel,sama5d2-i2c"
> - reg: physical base address of the controller and length of memory mapped
> region.
> - interrupts: interrupt number to the cpu.
> @@ -17,6 +17,7 @@ Optional properties:
> - dma-names: should contain "tx" and "rx".
> - atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO
> capable I2C controllers.
> +- i2c-sda-hold-time-ns: TWD hold time, only available from "atmel,sama5d4-i2c".
Yep, but you must make it clearer that sama5d2 also has this property
available: people usually don't know that sama5d2 comes after sama5d4
over time...
Bye,
> - Child nodes conforming to i2c bus binding
>
> Examples :
> @@ -52,6 +53,7 @@ i2c0: i2c@f8034600 {
> #size-cells = <0>;
> clocks = <&flx0>;
> atmel,fifo-size = <16>;
> + i2c-sda-hold-time-ns = <336>;
>
> wm8731: wm8731@1a {
> compatible = "wm8731";
>
--
Nicolas Ferre
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