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[V6,0/2] arm64: dts: qcom: Configure CTS pin to bias-bus-hold for bluetooth

Message ID 1650556567-4995-1-git-send-email-quic_vnivarth@quicinc.com (mailing list archive)
Headers show
Series arm64: dts: qcom: Configure CTS pin to bias-bus-hold for bluetooth | expand

Message

Vijaya Krishna Nivarthi April 21, 2022, 3:56 p.m. UTC
WLAN rail was leaking power during RBSC/sleep even after turning BT off.
Change pinctrl configuration to handle same.

Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
---
v6: add code comments about how bias-bus-hold could save power
v5: modify subject to include bluetooth
v4: modify subject of each patch to indicate what it is applying to
v3: apply same change to active state and other sc7280*.dts* as well
v2: used bias-bus-hold as per review comments
v1: intial patch used bias-disable for sleep pinctrl in sc7280-idp only
---

Vijaya Krishna Nivarthi (2):
  arm64: dts: qcom: sc7280-idp: Configure CTS pin to bias-bus-hold for
    bluetooth
  arm64: dts: qcom: sc7280-qcard: Configure CTS pin to bias-bus-hold for
    bluetooth

 arch/arm64/boot/dts/qcom/sc7280-idp.dtsi   | 18 ++++++++++++------
 arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi | 19 ++++++++++++++-----
 2 files changed, 26 insertions(+), 11 deletions(-)

Comments

Doug Anderson May 3, 2022, 3:29 p.m. UTC | #1
Bjorn,

On Thu, Apr 21, 2022 at 8:56 AM Vijaya Krishna Nivarthi
<quic_vnivarth@quicinc.com> wrote:
>
> WLAN rail was leaking power during RBSC/sleep even after turning BT off.
> Change pinctrl configuration to handle same.
>
> Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
> ---
> v6: add code comments about how bias-bus-hold could save power
> v5: modify subject to include bluetooth
> v4: modify subject of each patch to indicate what it is applying to
> v3: apply same change to active state and other sc7280*.dts* as well
> v2: used bias-bus-hold as per review comments
> v1: intial patch used bias-disable for sleep pinctrl in sc7280-idp only
> ---
>
> Vijaya Krishna Nivarthi (2):
>   arm64: dts: qcom: sc7280-idp: Configure CTS pin to bias-bus-hold for
>     bluetooth
>   arm64: dts: qcom: sc7280-qcard: Configure CTS pin to bias-bus-hold for
>     bluetooth
>
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi   | 18 ++++++++++++------
>  arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi | 19 ++++++++++++++-----
>  2 files changed, 26 insertions(+), 11 deletions(-)

If the tree hasn't closed yet, I think these two patches are waiting
to land and ready to go.

Thanks!

-Doug
Bjorn Andersson May 4, 2022, 5:21 p.m. UTC | #2
On Thu, 21 Apr 2022 21:26:05 +0530, Vijaya Krishna Nivarthi wrote:
> WLAN rail was leaking power during RBSC/sleep even after turning BT off.
> Change pinctrl configuration to handle same.
> 
> 

Applied, thanks!

[1/2] arm64: dts: qcom: sc7280-idp: Configure CTS pin to bias-bus-hold for bluetooth
      commit: 497b272759986af1aa5a25b5e903d082c67bd8f6
[2/2] arm64: dts: qcom: sc7280-qcard: Configure CTS pin to bias-bus-hold for bluetooth
      commit: 3d0e375bae55c2dfa6dd0762f45ad71f0b192f71

Best regards,