diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch b/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch new file mode 100644 index 0000000..7338353 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch @@ -0,0 +1,54 @@ +From 5d52be9a7c56e416fe98744f025e8b4aa92fd849 Mon Sep 17 00:00:00 2001 +From: Umang Chheda <quic_uchheda@quicinc.com> +Date: Wed, 11 Oct 2023 20:57:16 +0530 +Subject: [PATCH 1/2] PENDING: arm64: dts: qcm6490: remove voltage voting for + USB rails for idp + +USB driver does not vote for voltage on hsphy and ssphy +rails. Due to which the initial voltage set by bootloader +is overridden by regulator framework with min voltage specified +on regulator registration. + +Fix this temporarily by removing voltage voting support, which +will prevent regulator framework overriding the voltage set by +bootloader. + +This commit will be reverted once voltage voting support is added +in USB driver. + +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 14c73f55ea52..89e653c93ae8 100644 +--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts ++++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +@@ -519,6 +519,20 @@ &vreg_l9b_1p2 { + regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>; + }; + ++&vreg_l1b_0p912 { ++ /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_l10c_0p88 { ++ /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 + |