On Thu, May 23, 2019 at 6:46 AM Yash Shah <yash.shah@xxxxxxxxxx> wrote:
>
> Add the compatibility string documentation for SiFive FU540-C0000
> interface.
> On the FU540, this driver also needs to read and write registers in a
> management IP block that monitors or drives boundary signals for the
> GEMGXL IP block that are not directly mapped to GEMGXL registers.
> Therefore, add additional range to "reg" property for SiFive GEMGXL
> management IP registers.
>
> Signed-off-by: Yash Shah <yash.shah@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/net/macb.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
> index 9c5e944..91a2a66 100644
> --- a/Documentation/devicetree/bindings/net/macb.txt
> +++ b/Documentation/devicetree/bindings/net/macb.txt
> @@ -4,6 +4,7 @@ Required properties:
> - compatible: Should be "cdns,[<chip>-]{macb|gem}"
> Use "cdns,at91rm9200-emac" Atmel at91rm9200 SoC.
> Use "cdns,at91sam9260-macb" for Atmel at91sam9 SoCs.
> + Use "cdns,fu540-macb" for SiFive FU540-C000 SoC.
This pattern that Atmel started isn't really correct. The vendor
prefix here should be sifive. 'cdns' would be appropriate for a
fallback.
> Use "cdns,sam9x60-macb" for Microchip sam9x60 SoC.
> Use "cdns,np4-macb" for NP4 SoC devices.
> Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
> @@ -17,6 +18,8 @@ Required properties:
> Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC.
> Or the generic form: "cdns,emac".
> - reg: Address and length of the register set for the device
> + For "cdns,fu540-macb", second range is required to specify the
> + address and length of the registers for GEMGXL Management block.
> - interrupts: Should contain macb interrupt
> - phy-mode: See ethernet.txt file in the same directory.
> - clock-names: Tuple listing input clock names.
> --
> 1.9.1
>
