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arm64: dts: qcom: msm8994-octagon: Add uSD card and disable HS400 on eMMC 

Lumia 950/XL, like other phones, ship with different storage chips.
Some of them are not capable of stable operation at HS400. Disable it.

Signed-off-by: Gustave Monce <gustave.monce@outlook.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013853.55810-12-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Gustave Monce 2021-01-31 02:38:42 +01:00 committed by Bjorn Andersson
parent 600f911112
commit 09179fb6af
1 changed files with 21 additions and 0 deletions
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21
arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
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@ -684,6 +684,27 @@
&sdhc1 {
status = "okay";
/*
* This device is shipped with HS400 capabable eMMCs
* However various brands have been used in various product batches,
* including a Samsung eMMC (BGND3R) which features a quirk with HS400.
* Set the speed to HS200 as a safety measure.
*/
mmc-hs200-1_8v;
};
&sdhc2 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on>;
pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off>;
vmmc-supply = <&vreg_l21a_2p95>;
vqmmc-supply = <&vreg_l13a_2p95>;
cd-gpios = <&pm8994_gpios 8 GPIO_ACTIVE_LOW>;
};
&tlmm {