diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch b/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch new file mode 100644 index 0000000..a2359f6 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch @@ -0,0 +1,49 @@ +From 328f42bd030f43574f516906fa0f25fcc5f19c30 Mon Sep 17 00:00:00 2001 +From: Umang Chheda <quic_uchheda@quicinc.com> +Date: Wed, 11 Oct 2023 20:32:47 +0530 +Subject: [PATCH 1/2] PENDING: arm64: dts: qcom: Remove voltage vote support + for UFS for IDP + +UFS rails have different voltage requirement for UFS2.x v/s UFS3.x. +Bootloader sets the proper voltage based on UFS type. There can be +case where the voltage set by bootloader is overridden by HLOS client. + +To prevent above issue, Add change to remove voltage voting support +for UFS rails. + +Signed-off-by: Umang Chheda <quic_uchheda@quicinc.com> +Signed-off-by: Salendarsingh Gaud <quic_sgaud@quicinc.com> +Signed-off-by: Atul Dhudase <quic_adhudase@quicinc.com> +Upstream-Status: Pending +--- + arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +index 7f682093e954..5b96b77db0c2 100644 +--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts ++++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +@@ -505,6 +505,20 @@ &usb_1_qmpphy { + status = "okay"; + }; + ++&vreg_l7b_2p952 { ++ /delete-property/regulator-min-microvolt; ++ /delete-property/regulator-max-microvolt; ++ regulator-allow-set-load; ++ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>; ++}; ++ ++&vreg_l9b_1p2 { ++ /delete-property/regulator-min-microvolt; ++ /delete-property/regulator-max-microvolt; ++ regulator-allow-set-load; ++ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>; ++}; ++ + &wifi { + memory-region = <&wlan_fw_mem>; + }; +-- +2.25.1 + |