[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <CAD=FV=WrSVL=eYn=0rY=yc8pPfuBrZ44kAa-D6AW=2V8CdoR5g@mail.gmail.com>
Date: Wed, 6 Jul 2016 14:04:42 -0700
From: Doug Anderson <dianders@...omium.org>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Caesar Wang <wxt@...k-chips.com>,
"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
Tao Huang <huangtao@...k-chips.com>,
Eddie Cai <eddie.cai@...k-chips.com>,
Elaine Zhang <zhangqing@...k-chips.com>
Subject: Re: [PATCH v3] arm64: dts: rockchip: add the power domain node for rk3399
Heiko,
On Wed, Jul 6, 2016 at 1:56 PM, Heiko Stuebner <heiko@...ech.de> wrote:
> Am Montag, 4. Juli 2016, 20:34:04 schrieb Caesar Wang:
>> From: Elaine Zhang <zhangqing@...k-chips.com>
>>
>> In order to meet low power requirements, a power management unit (PMU) is
>> designed for controlling power resources in RK3399. The RK3399 PMU is
>> dedicated for managing the power of the whole chip.
>>
>> 1. add pd node for RK3399 Soc
>> 2. create power domain tree
>> 3. add qos node for domain
>>
>> From the DT/binds and driver can get more detail information:
>> The driver:
>> drivers/soc/rockchip/pm_domains.c
>> The document:
>> Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
>>
>> Note:
>> As the TRM lists many voltage domains and power domains, then this patch
>> adds some domains for driver. Due to some domains
>> (e.g. emmc, usb, core)...We can't turned off it on
>> bootup, or says some device driver can't handle the power domain enough.
>> Maybe We will add more other domains in the future or later.
>>
>> Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
>> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
>> Cc: linux-arm-kernel@...ts.infradead.org
>> Cc: linux-rockchip@...ts.infradead.org
>> Cc: Heiko Stuebner <heiko@...ech.de>
>
> applied to my dts64 branch after renaming the qos nodes, removing the status
> property and moving the rga domain up a bit. Please double check:
> https://git.kernel.org/cgit/linux/kernel/git/mmind/linux-rockchip.git/commit/?id=6d3cdbf1c219f9817290903e9d1e8de7462a7b54
This looks like the same as my attempt to do these fixes too. ;)
-Doug
Powered by blists - more mailing lists