netdev - Re: [PATCHv2 1/3] dt-bindings: net: Add DT bindings for Socionext Netsec

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Date:   Tue, 12 Dec 2017 21:37:52 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     jassisinghbrar@...il.com
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        davem@...emloft.net, arnd.bergmann@...aro.org,
        ard.biesheuvel@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, Jassi Brar <jaswinder.singh@...aro.org>
Subject: Re: [PATCHv2 1/3] dt-bindings: net: Add DT bindings for Socionext
 Netsec

On Tue, Dec 12, 2017 at 10:45:21PM +0530, jassisinghbrar@...il.com wrote:
> From: Jassi Brar <jassisinghbrar@...il.com>
> 
> This patch adds documentation for Device-Tree bindings for the
> Socionext NetSec Controller driver.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
> Signed-off-by: Jassi Brar <jaswinder.singh@...aro.org>
> ---
>  .../devicetree/bindings/net/socionext-netsec.txt   | 43 ++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/socionext-netsec.txt
> 
> diff --git a/Documentation/devicetree/bindings/net/socionext-netsec.txt b/Documentation/devicetree/bindings/net/socionext-netsec.txt
> new file mode 100644
> index 0000000..4695969
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/socionext-netsec.txt
> @@ -0,0 +1,45 @@
> +* Socionext NetSec Ethernet Controller IP
> +
> +Required properties:
> +- compatible: Should be "socionext,synquacer-netsec"
> +- reg: Address and length of the control register area, followed by the
> +       address and length of the EEPROM holding the MAC address and
> +       microengine firmware
> +- interrupts: Should contain ethernet controller interrupt
> +- clocks: phandle to the PHY reference clock, and any other clocks to be
> +          switched by runtime_pm
> +- clock-names: Required only if more than a single clock is listed in 'clocks'.
> +               The PHY reference clock must be named 'phy_refclk'
> +- phy-mode: See ethernet.txt file in the same directory
> +- phy-handle: phandle to select child phy
> +
> +Optional properties: (See ethernet.txt file in the same directory)
> +- dma-coherent: Boolean property, must only be present if memory
> +		 accesses performed by the device are cache coherent
> +- local-mac-address
> +- mac-address
> +- max-speed
> +- max-frame-size
> +
> +Required properties for the child phy:
> +- reg: phy address

Hi Jassi

Just reference phy.txt

> +
> +Example:
> +	eth0: netsec@...D0000 {
> +		compatible = "socionext,synquacer-netsec";
> +		reg = <0 0x522D0000 0x0 0x10000>, <0 0x10000000 0x0 0x10000>;
> +		interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&clk_netsec>;
> +		phy-mode = "rgmii";
> +		max-speed = <1000>;
> +		max-frame-size = <9000>;
> +		phy-handle = <&ethphy0>;
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +

Please add an mdio node here, and list all the phys and possibly
Ethernet switches as children of it.

	 Andrew