From: Wei Xu <xuwei5@hisilicon.com>
To: Guodong Xu <guodong.xu@linaro.org>, <robh+dt@kernel.org>,
<mark.rutland@arm.com>, <catalin.marinas@arm.com>,
<will.deacon@arm.com>
Cc: <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
"Jaehoon Chung" <jh80.chung@samsung.com>,
Jinguojun <kid.jin@hisilicon.com>
Subject: Re: [PATCH] arm64: dts: hi6220: add sd-uhs- properties into dwmmc_1
Date: Fri, 2 Sep 2016 11:21:43 +0100 [thread overview]
Message-ID: <57C952B7.3010207@hisilicon.com> (raw)
In-Reply-To: <1472649058-22364-1-git-send-email-guodong.xu@linaro.org>
Hi Guodong,
On 31/08/2016 14:10, Guodong Xu wrote:
> With these properties added, sd cards inserted into hikey can work at UHS
> mode if they have such capability.
>
> Note, this depends on HiKey UHS-SD support patch [1] to work properly.
> If you didn't add this patch, but added sd-uhs- properties into dwmmc_1,
> then sd cards cannot work. As of this post, patch [1] has been integrated
> into maintainer's next branch [2].
>
> [1]: [V4] mmc: dw_mmc-k3: UHS-SD card for Hisilicon Hikey,
> https://patchwork.kernel.org/patch/9262515/
> [2]: https://git.linaro.org/people/ulf.hansson/mmc.git next
> commit a8a5b2909cfc ("mmc: dw_mmc: k3: UHS-SD card for Hisilicon Hikey")
>
> cc: Ulf Hansson <ulf.hansson@linaro.org>
> cc: Jaehoon Chung <jh80.chung@samsung.com>
> cc: Jinguojun <kid.jin@hisilicon.com>
> Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Applied to the hisi-dt-4.9 branch.
Thanks!
Best Regards,
Wei
> ---
> arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> index 63608e9..17839db 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> @@ -785,6 +785,9 @@
> card-detect-delay = <200>;
> hisilicon,peripheral-syscon = <&ao_ctrl>;
> cap-sd-highspeed;
> + sd-uhs-sdr12;
> + sd-uhs-sdr25;
> + sd-uhs-sdr50;
> reg = <0x0 0xf723e000 0x0 0x1000>;
> interrupts = <0x0 0x49 0x4>;
> #address-cells = <0x1>;
>
prev parent reply other threads:[~2016-09-02 10:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-31 13:10 [PATCH] arm64: dts: hi6220: add sd-uhs- properties into dwmmc_1 Guodong Xu
2016-09-02 10:21 ` Wei Xu [this message]
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