[PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY

Yakir Yang ykk at rock-chips.com
Sat Sep 5 21:09:53 PDT 2015

Hi Heiko,

在 09/03/2015 09:52 PM, Heiko Stuebner 写道:
> Am Donnerstag, 3. September 2015, 11:25:00 schrieb Yakir Yang:
>> 在 09/02/2015 09:27 PM, Rob Herring 写道:
>>> On Tue, Sep 1, 2015 at 1:04 AM, Yakir Yang <ykk at rock-chips.com> wrote:
>>>> +- clocks: from common clock binding: handle to dp clock.
>>>> +       of memory mapped region.
>>>> +- clock-names: from common clock binding:
>>>> +       Required elements: "sclk_dp" "sclk_dp_24m"
>>>> +
>>>> +- rockchip,grf: this soc should set GRF regs, so need get grf here.
>>> I have no idea what GRF means.
>> GRF is an module of our IC chip, the full name is General Register Files.
>> I would rather to pick some words from our TRM.
>> The general register file will be used to do static set by software, which
>> is composed of many registers for system control.
> The general register files are present on all Rockchip SoCs I've seen so far
> and really are just an aggregation of registers for settings and status
> indications, ranging from memory stuff, dma-controller settings, usb-phy and
> settings for a lot of other phys, etc.
> The most prevalent description in dt-bindings is currently:
> - rockchip,grf: phandle to the syscon managing the "general register files"

Wow, thanks for your explain, and your "rockchip,grf" DT property
description is better, I would like to copy it :)

- Yakir
> Heiko

More information about the Linux-rockchip mailing list