| Message ID | 20201217183341.3186402-1-dmitry.baryshkov@linaro.org |
|---|---|
| State | Accepted |
| Commit | abf2c58aaa776cf43daf0fc4fd20082c71583c6b |
| Headers | show |
| Series | arm64: dts: qcom: qrb5165-rb5: fix uSD pins drive strength | expand |
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index f3da4b0a63bc..3cb3914b8305 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -1081,8 +1081,6 @@ &sdhc_2 { 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; }; @@ -1382,13 +1380,13 @@ clk { 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>; }; };
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: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: Veerabhadrarao Badiganti <vbadigan@codeaurora.org> Fixes: 53a8ccf1c7e5 ("arm64: dts: qcom: rb5: Add support for uSD card") --- arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)