Re: [PATCH v3 1/5] dt-bindings: net: renesas,etheravb: Document RZ/V2M SoC

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 5/10/22 12:03 PM, Phil Edworthy wrote:

> Document the Ethernet AVB IP found on RZ/V2M SoC.
> It includes the Ethernet controller (E-MAC) and Dedicated Direct memory
> access controller (DMAC) for transferring transmitted Ethernet frames
> to and received Ethernet frames from respective storage areas in the
> RAM at high speed.
> The AVB-DMAC is compliant with IEEE 802.1BA, IEEE 802.1AS timing and
> synchronization protocol, IEEE 802.1Qav real-time transfer, and the
> IEEE 802.1Qat stream reservation protocol.
> 
> R-Car has a pair of combined interrupt lines:
>  ch22 = Line0_DiA | Line1_A | Line2_A
>  ch23 = Line0_DiB | Line1_B | Line2_B
> Line0 for descriptor interrupts (which we call dia and dib).
> Line1 for error related interrupts (which we call err_a and err_b).
> Line2 for management and gPTP related interrupts (mgmt_a and mgmt_b).
> 
> RZ/V2M hardware has separate interrupt lines for each of these.
> 
> It has 3 clocks; the main AXI clock, the AMBA CHI (Coherent Hub
> Interface) clock and a gPTP reference clock.
> 
> Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>

   I'm not an expert in the DT bindings, though...

> ---
> v3:
>  - No change
> v2:
>  - Instead of reusing ch22 and ch24 interupt names, use the proper names

   Interrupt. :-)

[...]

MBR, Sergey



[Index of Archives]     [Linux Samsung SOC]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux