From: Guodong Xu <guodong.xu-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: xuwei5-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
catalin.marinas-5wv7dgnIgG8@public.gmane.org,
will.deacon-5wv7dgnIgG8@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Guodong Xu <guodong.xu-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Jaehoon Chung
<jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Jinguojun <kid.jin-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org>
Subject: [PATCH] arm64: dts: hi6220: add sd-uhs- properties into dwmmc_1
Date: Wed, 31 Aug 2016 21:10:58 +0800 [thread overview]
Message-ID: <1472649058-22364-1-git-send-email-guodong.xu@linaro.org> (raw)
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-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
cc: Jaehoon Chung <jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
cc: Jinguojun <kid.jin-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org>
Signed-off-by: Guodong Xu <guodong.xu-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
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>;
--
1.9.1
--
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next reply other threads:[~2016-08-31 13:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-31 13:10 Guodong Xu [this message]
[not found] ` <1472649058-22364-1-git-send-email-guodong.xu-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-09-02 10:21 ` [PATCH] arm64: dts: hi6220: add sd-uhs- properties into dwmmc_1 Wei Xu
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