On Fri, Oct 30, 2015 at 04:22:49PM +0800, Zain Wang wrote:
> Add DT bindings documentation for the rk3288 crypto drivers.
> 
> Signed-off-by: Zain Wang <zain.w...@rock-chips.com>
> ---
>  .../devicetree/bindings/crypto/rk-crypto.txt       | 31 
> ++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/crypto/rk-crypto.txt
> 
> diff --git a/Documentation/devicetree/bindings/crypto/rk-crypto.txt 
> b/Documentation/devicetree/bindings/crypto/rk-crypto.txt
> new file mode 100644
> index 0000000..1e50768
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/rk-crypto.txt
> @@ -0,0 +1,31 @@
> +Rockchip Electronics And Security Accelerator
> +
> +Required properties:
> +- compatible: should be "rockchip,crypto"

Choose a more specific name. Rockchip could easily come up with another
crypto accelerator later.

> +- reg: base physical address of the engine and length of memory mapped
> +       region.
> +- interrupts: interrupt number
> +- clocks: clock specifiers
> +- clock-names: "aclk_crypto" used to clock data
> +                        "hclk_crypto" used to clock data
> +                        "srst_crypto" used to clock crypto accelerator
> +                        "apb_pclk"    used to clock dma
> +-status: Enable

No need to mention the status property.

Thanks,
Mark.

> +
> +Examples:
> +
> +     crypto: cypto-controller@ff8a0000 {
> +             compatible = "rockchip,crypto";
> +             reg = <0xff8a0000 0x4000>;
> +             interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
> +             clocks = <&cru ACLK_CRYPTO>,
> +                      <&cru HCLK_CRYPTO>,
> +                      <&cru SRST_CRYPTO>,
> +                      <&cru ACLK_DMAC1>;
> +
> +             clock-names = "aclk_crypto",
> +                           "hclk_crypto",
> +                           "srst_crypto",
> +                               "apb_pclk";
> +             status = "okay";
> +     };
> -- 
> 1.9.1
> 
> 
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