Le 08/06/2015 18:07, Cyrille Pitchen a écrit :
> - add new property "atmel,fifo-size"
> - change "cs-gpios" to optional for SPI controller version >= 2.
>
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/spi/spi_atmel.txt | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/spi/spi_atmel.txt b/Documentation/devicetree/bindings/spi/spi_atmel.txt
> index 4f8184d..7ef7f6bc 100644
> --- a/Documentation/devicetree/bindings/spi/spi_atmel.txt
> +++ b/Documentation/devicetree/bindings/spi/spi_atmel.txt
> @@ -4,11 +4,16 @@ Required properties:
> - compatible : should be "atmel,at91rm9200-spi".
> - reg: Address and length of the register set for the device
> - interrupts: Should contain spi interrupt
> -- cs-gpios: chipselects
> +- cs-gpios: chipselects (optional for SPI controller version >= 2 with the
> + Alternative Command Mode).
> - clock-names: tuple listing input clock names.
> Required elements: "spi_clk"
> - clocks: phandles to input clocks.
>
> +Optional properties:
> +- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO
> + capable SPI controllers.
> +
> Example:
>
> spi1: spi@fffcc000 {
> @@ -20,6 +25,7 @@ spi1: spi@fffcc000 {
> clocks = <&spi1_clk>;
> clock-names = "spi_clk";
> cs-gpios = <&pioB 3 0>;
> + atmel,fifo-size = <32>;
> status = "okay";
>
> mmc-slot@0 {
>
--
Nicolas Ferre
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