From: Elaine Zhang <zhangqing@rock-chips.com>
To: Shawn Lin <shawn.lin@rock-chips.com>,
Ziyuan Xu <xzy.xu@rock-chips.com>,
ulf.hansson@linaro.org, robh+dt@kernel.org, heiko@sntech.de
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Xing Zheng <zhengxing@rock-chips.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Frank Wang <frank.wang@rock-chips.com>,
Brian Norris <briannorris@chromium.org>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org,
Douglas Anderson <dianders@chromium.org>,
linux-rockchip@lists.infradead.org,
Jianqun Xu <jay.xu@rock-chips.com>,
David Wu <david.wu@rock-chips.com>,
Shunqian Zheng <zhengsq@rock-chips.com>,
linux-arm-kernel@lists.infradead.org,
Caesar Wang <wxt@rock-chips.com>
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: add eMMC's power domain support for rk3399
Date: Mon, 29 Aug 2016 09:58:42 +0800 [thread overview]
Message-ID: <57C396D2.4090607@rock-chips.com> (raw)
In-Reply-To: <2ab8ab94-fa4d-2cd6-5805-a92ac5f9697e@rock-chips.com>
On 08/27/2016 11:05 PM, Shawn Lin wrote:
> On 2016/8/27 21:41, Ziyuan Xu wrote:
>> Control power domain for eMMC via genpd to reduce power consumption.
>>
>> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
>> Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
>>
>
> It looks nice to me. But this should be merged after applying that[0]
> as your patch will break bind/unbind test for sdhci-of-arasan on rk3399
> without it[0]. Moreover, Elaine should make sure that upstreamed
> rockchip power domain stuff would not off pd for emmc, *otherwise*, I
> should update my patch to make sure we update clkmul every time when
> doing suspend 2 resume..
>
It looks nice to me. I was going on to submit with other Pds.
>
>
> [0]: https://patchwork.kernel.org/patch/9300971/
>
>> ---
>>
>> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 11 +++++++++++
>> 1 file changed, 11 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
>> b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
>> index 32aebc8..71733d4 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
>> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
>> @@ -239,6 +239,7 @@
>> #clock-cells = <0>;
>> phys = <&emmc_phy>;
>> phy-names = "phy_arasan";
>> + power-domains = <&power RK3399_PD_EMMC>;
>> status = "disabled";
>> };
>>
>> @@ -611,6 +612,11 @@
>> status = "disabled";
>> };
>>
>> + qos_emmc: qos@ffa58000 {
>> + compatible = "syscon";
>> + reg = <0x0 0xffa58000 0x0 0x20>;
>> + };
>> +
>> qos_hdcp: qos@ffa90000 {
>> compatible = "syscon";
>> reg = <0x0 0xffa90000 0x0 0x20>;
>> @@ -739,6 +745,11 @@
>> };
>>
>> /* These power domains are grouped by VD_LOGIC */
>> + pd_emmc@RK3399_PD_EMMC {
>> + reg = <RK3399_PD_EMMC>;
>> + clocks = <&cru ACLK_EMMC>;
>> + pm_qos = <&qos_emmc>;
>> + };
>> pd_vio@RK3399_PD_VIO {
>> reg = <RK3399_PD_VIO>;
>> #address-cells = <1>;
>>
>
>
next prev parent reply other threads:[~2016-08-29 2:10 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-27 13:41 [PATCH 0/2] Add power domain support for eMMC node on rk3399 Ziyuan Xu
2016-08-27 13:41 ` [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain Ziyuan Xu
2016-08-27 14:50 ` Shawn Lin
2016-08-29 0:36 ` Ziyuan Xu
2016-08-27 13:41 ` [PATCH 2/2] arm64: dts: rockchip: add eMMC's power domain support for rk3399 Ziyuan Xu
2016-08-27 15:05 ` Shawn Lin
2016-08-29 1:58 ` Elaine Zhang [this message]
2016-08-29 2:50 ` Elaine Zhang
2016-08-29 3:25 ` Shawn Lin
2016-08-31 17:42 ` Doug Anderson
2016-09-01 2:29 ` Ziyuan Xu
2016-09-01 3:23 ` Shawn Lin
2016-09-01 13:45 ` Ulf Hansson
2016-09-01 21:50 ` Doug Anderson
2016-09-02 10:24 ` Ulf Hansson
2016-09-02 14:23 ` Ziyuan Xu
2016-09-06 12:34 ` Ulf Hansson
2016-09-01 4:20 ` Doug Anderson
2016-09-01 6:56 ` Ziyuan Xu
2016-09-01 21:29 ` Doug Anderson
2016-09-02 2:35 ` Ziyuan Xu
2016-09-02 5:22 ` Doug Anderson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=57C396D2.4090607@rock-chips.com \
--to=zhangqing@rock-chips.com \
--cc=briannorris@chromium.org \
--cc=catalin.marinas@arm.com \
--cc=david.wu@rock-chips.com \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=frank.wang@rock-chips.com \
--cc=heiko@sntech.de \
--cc=jay.xu@rock-chips.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=robh+dt@kernel.org \
--cc=shawn.lin@rock-chips.com \
--cc=ulf.hansson@linaro.org \
--cc=will.deacon@arm.com \
--cc=wxt@rock-chips.com \
--cc=xzy.xu@rock-chips.com \
--cc=yamada.masahiro@socionext.com \
--cc=zhengsq@rock-chips.com \
--cc=zhengxing@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).