From mboxrd@z Thu Jan 1 00:00:00 1970 From: ykk@rock-chips.com (Yakir Yang) Date: Sun, 06 Sep 2015 12:09:53 +0800 Subject: [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY In-Reply-To: <3242714.Wxby7z5YyH@phil> References: <1441086371-24838-1-git-send-email-ykk@rock-chips.com> <55E7BD8C.5070803@rock-chips.com> <3242714.Wxby7z5YyH@phil> Message-ID: <55EBBC91.5060708@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Heiko, ? 09/03/2015 09:52 PM, Heiko Stuebner ??: > Am Donnerstag, 3. September 2015, 11:25:00 schrieb Yakir Yang: >> ? 09/02/2015 09:27 PM, Rob Herring ??: >>> On Tue, Sep 1, 2015 at 1:04 AM, Yakir Yang 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 :) Thanks, - Yakir > > Heiko > > >