On 12/05/2016 03:56 AM, Shawn Lin wrote:
> Add binding document for the Rockchip serial flash controller.
>
> Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
>
> Changes in v3:
> - rename sfc-no-dma to sfc-no-DMA
>
> Changes in v2: None
>
> .../devicetree/bindings/mtd/rockchip-sfc.txt | 31 ++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/rockchip-sfc.txt
>
> diff --git a/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt
> new file mode 100644
> index 0000000..c6b4f58
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt
> @@ -0,0 +1,31 @@
> +Rockchip Serial Flash Controller
> +
> +Required properties:
> +- compatible : Should be
> + "rockchip,rk1108-sfc", "rockchip,sfc" for ROCKCHIP RK1108.
> +- address-cells : Should be 1.
> +- size-cells : Should be 0.
> +- clocks: Must contain two entries for each entry in clock-names.
> +- clock-names: Shall be "sfc" for the transfer-clock, and "hsfc" for
> + the peripheral clock.
> +- interrupts : Should contain the interrupt for the device.
> +- reg: Physical base address of the controller and length of memory mapped.
> +
> +Optional properties:
Uhhh, I apologize for the miscommunication.
> +- rockchip,sfc-no-DMA: Indicate the controller doesn't support dma transfer.
I didn't mean this ^^^ DMA, that should be lowercase. I meant ^^^
this one. The property should be lowercase, the description
should be uppercase.
> +
> +Example:
> +nor_flash: sfc@301c0000 {
> + compatible = "rockchip,rk1108-sfc", "rockchip,sfc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>;
> + clock-names = "sfc", "hsfc";
> + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x301c0000 0x1000>;
> + spi-nor@0 {
> + compatible = "jedec,spi-nor";
> + spi-max-frequency = <12000000>;
> + reg = <0>;
> + };
> +};
>
--
Best regards,
Marek Vasut
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