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 <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
---
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 | 12 ++++++------
arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi | 13 ++++++++-----
2 files changed, 14 insertions(+), 11 deletions(-)
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by the Linux Foundation.
WLAN rail was leaking power during RBSC/sleep even after turning BT off.
Change active and sleep pinctrl configurations to handle same.
Signed-off-by: Vijaya Krishna Nivarthi <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
---
v5: modify subject to include bluetooth
v4: modify subject of patch to indicate file 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
---
arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index 015a347..85e7467 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -400,10 +400,10 @@
&qup_uart7_cts {
/*
- * Configure a pull-down on CTS to match the pull of
- * the Bluetooth module.
+ * Configure a bias-bus-hold on CTS to lower power usage
+ * when BT is turned off.
*/
- bias-pull-down;
+ bias-bus-hold;
};
&qup_uart7_rts {
@@ -495,10 +495,10 @@
pins = "gpio28";
function = "gpio";
/*
- * Configure a pull-down on CTS to match the pull of
- * the Bluetooth module.
+ * Configure a bias-bus-hold on CTS to lower power usage
+ * when BT is turned off.
*/
- bias-pull-down;
+ bias-bus-hold;
};
qup_uart7_sleep_rts: qup-uart7-sleep-rts {
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by the Linux Foundation.