linux-kernel - Re: [PATCH 2/2] arm64: dts: rockchip: Add rk3399-evb-ind board

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <c583c59a-d5b7-4e20-9a1f-96f51bd7b4f3@rock-chips.com>
Date: Mon, 28 Apr 2025 09:47:34 +0800
From: Chaoyi Chen <chaoyi.chen@...k-chips.com>
To: Andrew Lunn <andrew@...n.ch>, Chaoyi Chen <kernel@...kyi.com>
Cc: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jonas Karlman <jonas@...boo.se>,
 Kever Yang <kever.yang@...k-chips.com>,
 Jianfeng Liu <liujianfeng1994@...il.com>, Dragan Simic <dsimic@...jaro.org>,
 Jimmy Hon <honyuenkwun@...il.com>, Quentin Schulz
 <quentin.schulz@...rry.de>, FUKAUMI Naoki <naoki@...xa.com>,
 Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
 Alexey Charkov <alchark@...il.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Sebastian Reichel <sebastian.reichel@...labora.com>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: Add rk3399-evb-ind board

Hi Andrew,

On 2025/4/28 4:42, Andrew Lunn wrote:
>> +&gmac {
>> +	assigned-clocks = <&cru SCLK_RMII_SRC>;
>> +	assigned-clock-parents = <&clkin_gmac>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&rgmii_pins>;
>> +	clock_in_out = "input";
>> +	phy-supply = <&vcc_phy>;
>> +	phy-mode = "rgmii";
> Does the PCB have extra long clock lines to implement the RGMII 2ns
> delay?
The 2ns delay of RGMII is implemented inside the RK3399 chip instead of 
PCB lines, and there are also additional delayline configurations.

>
> 	Andrew
>
>