Subject: Re: [PATCH v1 1/2] dt-binding: net: document NPCM7xx EMC 10/100 DT bindings

From: Rob Herring <[email-masked]>
Date: Wed, 21 Aug 2019 13:33:19 -0500

On Thu, Aug 01, 2019 at 10:26:10AM +0300, Avi Fishman wrote:
> Added device tree binding documentation for
> Nuvoton NPCM7xx Ethernet MAC Controller (EMC) 10/100 RMII
> 
> Signed-off-by: Avi Fishman <[email-masked]>
> ---
>  .../bindings/net/nuvoton,npcm7xx-emc.txt      | 38 +++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt

Consider converting this to DT schema (YAML).

> 
> diff --git a/Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt b/Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt
> new file mode 100644
> index 000000000000..a7ac3ca66de9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt
> @@ -0,0 +1,38 @@
> +Nuvoton NPCM7XX 10/100 Ethernet MAC Controller (EMC)
> +
> +The NPCM7XX provides one or two Ethernet MAC RMII Controllers
> +for WAN/LAN applications
> +
> +Required properties:
> +- device_type     : Should be "network"

Drop this. device_type is deprecated for FDT except for a few cases.

> +- compatible      : "nuvoton,npcm750-emc" for Poleg NPCM7XX.
> +- reg             : Offset and length of the register set for the device.
> +- interrupts      : Contain the emc interrupts with flags for falling edge.
> +                    first interrupt dedicated to Txirq
> +                    second interrupt dedicated to Rxirq
> +- phy-mode        : Should be "rmii" (see ethernet.txt in the same directory)
> +- clocks          : phandle of emc reference clock.
> +- resets          : phandle to the reset control for this device.
> +- use-ncsi        : Use the NC-SI stack instead of an MDIO PHY

Vendor prefix needed.

> +
> +Example:
> +
> +emc0: eth@f0825000 {

ethernet@...

> +	device_type = "network";
> +	compatible = "nuvoton,npcm750-emc";
> +	reg = <0xf0825000 0x1000>;
> +	interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> +	             <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
> +	phy-mode = "rmii";
> +	clocks = <&clk NPCM7XX_CLK_AHB>;
> +
> +	#use-ncsi; /* add this to support ncsi */

Doesn't match the binding.

> +
> +	clock-names = "clk_emc";
> +	resets = <&rstc 6>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&r1_pins
> +	             &r1err_pins
> +	             &r1md_pins>;
> +	status = "okay";

Drop status in examples.

> +};
> -- 
> 2.18.0