Re: [PATCH v4 2/2] dt-bindings: mtd: Document Macronix raw NAND controller bindings

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Hi Mason,

Mason Yang <masonccyang@xxxxxxxxxxx> wrote on Tue, 25 Jun 2019 14:10:56
+0800:

> Document the bindings used by the Macronix raw NAND controller.
> 
> Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/mtd/mxic-nand.txt          | 26 ++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/mxic-nand.txt
> 
> diff --git a/Documentation/devicetree/bindings/mtd/mxic-nand.txt b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
> new file mode 100644
> index 0000000..3d198e4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
> @@ -0,0 +1,26 @@
> +Macronix Raw NAND Controller Device Tree Bindings
> +-------------------------------------------------
> +
> +Required properties:
> +- compatible: should be "mxic,raw-nand-ctlr"

I would prefer "macronix,nand-controller"

> +- reg: should contain 1 entrie for the registers

                           entry

> +- reg-names: should contain "regs"

Not sure you need that?

> +- interrupts: interrupt line connected to this NAND controller
> +- clock-names: should contain "ps_clk", "send_clk" and "send_dly_clk"
> +- clocks: should contain 3 entries for the "ps_clk", "send_clk" and
> +	 "send_dly_clk" clocks

s/entries/phandles/ ?

> +
> +Example:
> +
> +	nand: mxic-nfc@43c30000 {
> +		compatible = "mxic,raw-nand-ctlr";
> +		reg = <0x43c30000 0x10000>;
> +		reg-names = "regs";
> +		clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>;
> +		clock-names = "send_clk", "send_dly_clk", "ps_clk";
> +
> +		nand-ecc-mode = "soft";
> +		nand-ecc-algo = "bch";
> +		nand-ecc-step-size = <512>;
> +		nand-ecc-strength = <8>;

The last 4 lines are probably not needed.

> +	};

Thanks,
Miquèl



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