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Message-ID: <CAJGZr0+r3UhhRJcGXvBKZGamrSH_XEQY5oo7MTBjTTrDFOiKtg@mail.gmail.com>
Date: Fri, 8 Sep 2017 16:32:35 +0300
From: Maxim Uvarov <muvarov@...il.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: Tristram.Ha@...rochip.com, Pavel Machek <pavel@....cz>,
Nathan Conrad <nathan.leigh.conrad@...il.com>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
Florian Fainelli <f.fainelli@...il.com>,
netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org,
Woojung.Huh@...rochip.com
Subject: Re: [PATCH RFC] Update documentation for KSZ DSA drivers so that new
drivers can be added
2017-09-08 0:54 GMT+03:00 Andrew Lunn <andrew@...n.ch>:
>> -- compatible: For external switch chips, compatible string must be exactly one
>> - of: "microchip,ksz9477"
>> +- compatible: Should be "microchip,ksz9477" for KSZ9477 chip,
>> + "microchip,ksz8795" for KSZ8795 chip,
>> + "microchip,ksz8794" for KSZ8794 chip,
>> + "microchip,ksz8765" for KSZ8765 chip,
>> + "microchip,ksz8895" for KSZ8895 chip,
>> + "microchip,ksz8864" for KSZ8864 chip,
>> + "microchip,ksz8873" for KSZ8873 chip,
>> + "microchip,ksz8863" for KSZ8863 chip,
>> + "microchip,ksz8463" for KSZ8463 chip
>
all that chips have the same spi access to get chip id on probe(). I
prefer common microship,ksz-spi rather than somebody will always
maintain that list.
Maxim.
> This part of this patch should be in a patch of the series that
> actually adds support for these chips. Don't document chips until you
> actually support them.
>
>> See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional required and optional properties.
>> @@ -13,60 +20,60 @@ Examples:
>>
>> Ethernet switch connected via SPI to the host, CPU port wired to eth0:
>>
>> - eth0: ethernet@...01000 {
>> - fixed-link {
>> - speed = <1000>;
>> - full-duplex;
>> - };
>> - };
>> + eth0: ethernet@...01000 {
>> + fixed-link {
>> + speed = <1000>;
>> + full-duplex;
>> + };
>> + };
>>
>> - spi1: spi@...08000 {
>> - pinctrl-0 = <&pinctrl_spi_ksz>;
>> - cs-gpios = <&pioC 25 0>;
>> - id = <1>;
>> - status = "okay";
>> + spi1: spi@...08000 {
>> + cs-gpios = <&pioC 25 0>;
>> + id = <1>;
>> + status = "okay";
>>
>> - ksz9477: ksz9477@0 {
>> - compatible = "microchip,ksz9477";
>> - reg = <0>;
>> + ksz9477: ksz9477@0 {
>> + compatible = "microchip,ksz9477";
>> + reg = <0>;
>>
>> - spi-max-frequency = <44000000>;
>> - spi-cpha;
>> - spi-cpol;
>> + spi-max-frequency = <44000000>;
>> + spi-cpha;
>> + spi-cpol;
>> +
>> + status = "okay";
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + port@0 {
>> + reg = <0>;
>> + label = "lan1";
>> + };
>> + port@1 {
>> + reg = <1>;
>> + label = "lan2";
>> + };
>> + port@2 {
>> + reg = <2>;
>> + label = "lan3";
>> + };
>> + port@3 {
>> + reg = <3>;
>> + label = "lan4";
>> + };
>> + port@4 {
>> + reg = <4>;
>> + label = "lan5";
>> + };
>> + port@5 {
>> + reg = <5>;
>> + label = "cpu";
>> + ethernet = <ð0>;
>> + fixed-link {
>> + speed = <1000>;
>> + full-duplex;
>> + };
>> + };
>> + };
>> + };
>> + };
>>
>> - status = "okay";
>> - ports {
>> - #address-cells = <1>;
>> - #size-cells = <0>;
>> - port@0 {
>> - reg = <0>;
>> - label = "lan1";
>> - };
>> - port@1 {
>> - reg = <1>;
>> - label = "lan2";
>> - };
>> - port@2 {
>> - reg = <2>;
>> - label = "lan3";
>> - };
>> - port@3 {
>> - reg = <3>;
>> - label = "lan4";
>> - };
>> - port@4 {
>> - reg = <4>;
>> - label = "lan5";
>> - };
>> - port@5 {
>> - reg = <5>;
>> - label = "cpu";
>> - ethernet = <ð0>;
>> - fixed-link {
>> - speed = <1000>;
>> - full-duplex;
>> - };
>> - };
>> - };
>> - };
>> - };
>
> This part however is a nice cleanup. You can submit this patch as a
> separate patch, once netdev has opened again in about 10 days time.
>
> Andrew
--
Best regards,
Maxim Uvarov
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