linux-kernel - Re: [PATCH 2/3] arm64: dts: rockchip: fix RockPro64 sdhci settings

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Date:   Fri, 04 Oct 2019 22:05:01 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Soeren Moch <smoch@....de>
Cc:     linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: rockchip: fix RockPro64 sdhci settings

Am Donnerstag, 3. Oktober 2019, 23:50:35 CEST schrieb Soeren Moch:
> The RockPro64 schematics [1], [2] show that the rk3399 EMMC_STRB pin is
> connected to the RESET pin instead of the DATA_STROBE pin of the eMMC module.
> So the data strobe cannot be used for its intended purpose on this board,
> and so the HS400 eMMC mode is not functional. Limit the controller to HS200.
> 
> [1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf
> [2] http://files.pine64.org/doc/rock64/PINE64_eMMC_Module_20170719.pdf
> 
> Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Rockpro64")
> Signed-off-by: Soeren Moch <smoch@....de>

applied as fix for 5.4

Thanks
Heiko