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..e64edf3 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch @@ -0,0 +1,51 @@ +From 9939a54d773c0a42acbb20a339176ace57585e7a Mon Sep 17 00:00:00 2001 +From: Umang Chheda +Date: Wed, 11 Oct 2023 20:57:16 +0530 +Subject: [PATCH 1/2] PENDING: arm64: dts: qcm6490: Remove voltage voting for + USB rails + +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 +Signed-off-by: Salendarsingh Gaud +Signed-off-by: Atul Dhudase +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 970dbceeea17..bd638812ade2 100644 +--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts ++++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +@@ -372,3 +372,17 @@ &vreg_l9b_1p2 { + regulator-allow-set-load; + regulator-allowed-modes = ; + }; ++ ++&vreg_l1b_0p8 { ++ /delete-property/regulator-min-microvolt; ++ /delete-property/regulator-max-microvolt; ++ regulator-allow-set-load; ++ regulator-allowed-modes = ; ++}; ++ ++&vreg_l10c_0p8 { ++ /delete-property/regulator-min-microvolt; ++ /delete-property/regulator-max-microvolt; ++ regulator-allow-set-load; ++ regulator-allowed-modes = ; ++}; +-- +2.25.1 + diff --git a/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcm6490-rb3-Remove-voltage-voting-.patch b/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcm6490-rb3-Remove-voltage-voting-.patch new file mode 100644 index 0000000..f81e51a --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcm6490-rb3-Remove-voltage-voting-.patch @@ -0,0 +1,57 @@ +From b0be64f4b3ced1702f3a4ab1629c3df974fbe705 Mon Sep 17 00:00:00 2001 +From: Umang Chheda +Date: Wed, 18 Oct 2023 18:14:15 +0530 +Subject: [PATCH 2/2] PENDING: arm64: dts: qcm6490-rb3: Remove voltage voting + for USB rails + +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 for QC6490 RB3 Platform. + +This commit will be reverted once voltage voting support is added +in USB driver. + +Signed-off-by: Umang Chheda +Signed-off-by: Atul Dhudase +Upstream-Status: Pending +--- + arch/arm64/boot/dts/qcom/qcm6490-rb3.dts | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/arch/arm64/boot/dts/qcom/qcm6490-rb3.dts b/arch/arm64/boot/dts/qcom/qcm6490-rb3.dts +index 3a1c781c965f..b244e66e9857 100644 +--- a/arch/arm64/boot/dts/qcom/qcm6490-rb3.dts ++++ b/arch/arm64/boot/dts/qcom/qcm6490-rb3.dts +@@ -338,6 +338,13 @@ &usb_1_qmpphy { + status = "okay"; + }; + ++&vreg_l1b_0p912 { ++ /delete-property/regulator-min-microvolt; ++ /delete-property/regulator-max-microvolt; ++ regulator-allow-set-load; ++ regulator-allowed-modes = ; ++}; ++ + &vreg_l7b_2p952 { + /delete-property/regulator-min-microvolt; + /delete-property/regulator-max-microvolt; +@@ -351,3 +358,10 @@ &vreg_l9b_1p2 { + regulator-allow-set-load; + regulator-allowed-modes = ; + }; ++ ++&vreg_l10c_0p88 { ++ /delete-property/regulator-min-microvolt; ++ /delete-property/regulator-max-microvolt; ++ regulator-allow-set-load; ++ regulator-allowed-modes = ; ++}; +-- +2.25.1 + diff --git a/recipes-kernel/linux/linux-yocto_6.5.bbappend b/recipes-kernel/linux/linux-yocto_6.5.bbappend index 774da4a..8335480 100644 --- a/recipes-kernel/linux/linux-yocto_6.5.bbappend +++ b/recipes-kernel/linux/linux-yocto_6.5.bbappend @@ -26,4 +26,6 @@ SRC_URI:append:qcom = " \ file://workarounds/0001-QCLINUX-arm64-dts-qcom-qcm6490-disable-sdhc1-for-ufs.patch \ file://workarounds/0001-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch \ file://workarounds/0002-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch \ + file://workarounds/0001-PENDING-arm64-dts-qcm6490-Remove-voltage-voting-for-.patch \ + file://workarounds/0002-PENDING-arm64-dts-qcm6490-rb3-Remove-voltage-voting-.patch \ "