Commit abf2c58a authored by Dmitry Baryshkov's avatar Dmitry Baryshkov Committed by Bjorn Andersson
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arm64: dts: qcom: qrb5165-rb5: fix uSD pins drive strength 



Lower drive strength for microSD data and CMD pins from 16 to 10. This
fixes spurious card removal issues observed on some boards. Also this
change allows us to re-enable 1.8V support, which seems to work with
lowered drive strength.

Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Fixes: 53a8ccf1 ("arm64: dts: qcom: rb5: Add support for uSD card")
Link: https://lore.kernel.org/r/20201217183341.3186402-1-dmitry.baryshkov@linaro.org


Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent bc19af98

arch/arm64/boot/dts/qcom/qrb5165-rb5.dts

+2 −4
Original line number Diff line number Diff line
@@ -660,8 +660,6 @@ 
	vqmmc-supply = <&vreg_l6c_2p96>;

	cd-gpios = <&tlmm 77 GPIO_ACTIVE_LOW>;

	bus-width = <4>;

	/* there seem to be issues with HS400-1.8V mode, so disable it */

	no-1-8-v;

	no-sdio;

	no-emmc;

};
@@ -982,13 +980,13 @@ 
		cmd {

			pins = "sdc2_cmd";

			bias-pull-up;

			drive-strength = <16>;

			drive-strength = <10>;

		};



		data {

			pins = "sdc2_data";

			bias-pull-up;

			drive-strength = <16>;

			drive-strength = <10>;

		};

	};