From: Luca Weiss Date: Mon, 2 Oct 2023 12:30:41 +0000 (+0200) Subject: arm64: dts: qcom: qcm6490-fairphone-fp5: Enable UFS X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cad7c46ae2d75b42aa8f1e3f741b203ed796eee9;p=linux.git arm64: dts: qcom: qcm6490-fairphone-fp5: Enable UFS Enable the UFS phy and controller so that we can access the internal storage of the phone. At the same time we need to bump the minimum voltage used for UFS VCC, otherwise it doesn't initialize properly. The 2.952V is taken from the vcc-voltage-level property downstream. See also the following link for more information about the VCCQ/VCCQ2: https://gerrit-public.fairphone.software/plugins/gitiles/kernel/msm-extra/devicetree/+/1590a3739e7dc29d2597307881553236d492f188/fp5/yupik-idp-pm7250b.dtsi#207 Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20231002-fp5-ufs-v2-1-e2d7de522134@fairphone.com Signed-off-by: Bjorn Andersson --- diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts index d0b1e4e507ff9..85391bed6376e 100644 --- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts +++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts @@ -284,8 +284,9 @@ }; vreg_l7b: ldo7 { - regulator-min-microvolt = <2400000>; - regulator-max-microvolt = <3544000>; + /* Constrained for UFS VCC, at least until UFS driver scales voltage */ + regulator-min-microvolt = <2952000>; + regulator-max-microvolt = <2952000>; regulator-initial-mode = ; }; @@ -853,6 +854,28 @@ }; }; +&ufs_mem_hc { + reset-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>; + + vcc-supply = <&vreg_l7b>; + vcc-max-microamp = <800000>; + /* + * Technically l9b enables an eLDO (supplied by s1b) which then powers + * VCCQ2 of the UFS. + */ + vccq-supply = <&vreg_l9b>; + vccq-max-microamp = <900000>; + + status = "okay"; +}; + +&ufs_mem_phy { + vdda-phy-supply = <&vreg_l10c>; + vdda-pll-supply = <&vreg_l6b>; + + status = "okay"; +}; + &usb_1 { status = "okay"; };