diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto/workarounds')
5 files changed, 245 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 + 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 + diff --git a/recipes-kernel/linux/linux-yocto/workarounds/0001-QCLINUX-arm64-dts-qcom-qcm6490-disable-sdhc1-for-ufs.patch b/recipes-kernel/linux/linux-yocto/workarounds/0001-QCLINUX-arm64-dts-qcom-qcm6490-disable-sdhc1-for-ufs.patch new file mode 100644 index 0000000..feb48b5 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0001-QCLINUX-arm64-dts-qcom-qcm6490-disable-sdhc1-for-ufs.patch @@ -0,0 +1,34 @@ +From d968bbe73d04fc76db30bdefc9b00fb4128d6b4e Mon Sep 17 00:00:00 2001 +From: Manish Pandey <quic_mapa@quicinc.com> +Date: Fri, 13 Oct 2023 19:38:59 +0530 +Subject: [PATCH] QCLINUX: arm64: dts: qcom: qcm6490: disable sdhc1 for ufs + target + +Disable sdhc1 for QCM6490 for ufs boot target to avoid probe +for sdhc1 as vreg_l7b_2p9 is shared regulator for both ufs vcc +and emmc vcc. Currently this is causing probe failure for ufs. + +Signed-off-by: Manish Pandey <quic_mapa@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 | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +index 424cd9c2b092..7f682093e954 100644 +--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts ++++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts +@@ -450,7 +450,7 @@ &sdhc_1 { + vmmc-supply = <&vreg_l7b_2p952>; + vqmmc-supply = <&vreg_l19b_1p8>; + +- status = "okay"; ++ status = "disabled"; + }; + + &tlmm { +-- +2.25.1 + diff --git a/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch b/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch new file mode 100644 index 0000000..9b569b3 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcom-Remove-voltage-vote-support-f.patch @@ -0,0 +1,48 @@ +From c0027585783c96a1ba37e8ea604af4c7c73e8154 Mon Sep 17 00:00:00 2001 +From: Umang Chheda <quic_uchheda@quicinc.com> +Date: Wed, 18 Oct 2023 18:12:00 +0530 +Subject: [PATCH 2/2] PENDING: arm64: dts: qcom: Remove voltage vote support + for UFS for RB3 + +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 for QC6490 RB3 platform. + +Signed-off-by: Umang Chheda <quic_uchheda@quicinc.com> +Signed-off-by: Atul Dhudase <quic_adhudase@quicinc.com> +Upstream-Status: Pending +--- + arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +index 6dbeb182d014..f13ab20906f8 100644 +--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts ++++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +@@ -488,6 +488,20 @@ &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 + diff --git a/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcs6490-rb3-Remove-voltage-voting-.patch b/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcs6490-rb3-Remove-voltage-voting-.patch new file mode 100644 index 0000000..9c0ddcd --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/workarounds/0002-PENDING-arm64-dts-qcs6490-rb3-Remove-voltage-voting-.patch @@ -0,0 +1,60 @@ +From b9b8286e4a3d72353ee90181f10507e2dfb1fd2b Mon Sep 17 00:00:00 2001 +From: Umang Chheda <quic_uchheda@quicinc.com> +Date: Wed, 18 Oct 2023 18:14:15 +0530 +Subject: [PATCH 2/2] PENDING: arm64: dts: qcs6490-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 QCS6490 RB3 Platform. + +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: Atul Dhudase <quic_adhudase@quicinc.com> +Upstream-Status: Pending +--- + arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +index 2b30e8900991..1e20395d07ae 100644 +--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts ++++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +@@ -488,6 +488,13 @@ &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 = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>; ++}; ++ + &vreg_l7b_2p952 { + /delete-property/regulator-min-microvolt; + /delete-property/regulator-max-microvolt; +@@ -502,6 +509,13 @@ &vreg_l9b_1p2 { + 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 + |