netdev - Re: [PATCHv2 1/2] net: ethernet: stmmac: dwmac-rk: Add gmac support for rk3588

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Date:   Tue, 28 Jun 2022 10:55:04 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        netdev@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        David Wu <david.wu@...k-chips.com>, kernel@...labora.com
Subject: Re: [PATCHv2 1/2] net: ethernet: stmmac: dwmac-rk: Add gmac support
 for rk3588

On 27/06/2022 19:07, Sebastian Reichel wrote:
> From: David Wu <david.wu@...k-chips.com>
> 
> Add constants and callback functions for the dwmac on RK3588 soc.
> As can be seen, the base structure is the same, only registers
> and the bits in them moved slightly.
> 
> Signed-off-by: David Wu <david.wu@...k-chips.com>
> [rebase, squash fixes]
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
> Krzysztof asked what "php" means. The answer is: The datasheet
> calls the referenced syscon area "PHP_GRF" with GRF meaning
> "general register file". PHP is never written out in the datasheet,
> but is the name of a subsystem in the SoC which contains the ethernet
> controllers, USB and SATA with it's own MMU and power domain.

Maybe there was a typo and name is PPH? Like some kind of short cut of
"peripheral"?

Best regards,
Krzysztof