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authorGustave Monce <gustave.monce@outlook.com>2021-01-31 02:38:42 +0100
committerBjorn Andersson <bjorn.andersson@linaro.org>2021-02-02 16:37:38 -0600
commit09179fb6aff47bf61db621dde06b51361a8a8f6b (patch)
tree18a6ec9fc1f63848814c37e8925b54f6ee20e224 /arch
parent600f91111282dae562b93012c0609d38f8b015be (diff)
downloadlinux-09179fb6aff47bf61db621dde06b51361a8a8f6b.tar.bz2
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
index 0b8b9e32322a..730bd473be6b 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
@@ -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 {