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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rockchip@lists.infradead.org, Soeren Moch , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- Cc: Heiko Stuebner Cc: linux-rockchip@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts index 845eb070b5b0..2e44dae4865a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts @@ -636,8 +636,7 @@ &sdhci { bus-width = <8>; - mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; + mmc-hs200-1_8v; non-removable; status = "okay"; }; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel