@@ -398,8 +398,11 @@ mos_bt_uart: &uart7 {
/* For mos_bt_uart */
&qup_uart7_cts {
- /* Configure a pull-down on CTS to match the pull of the Bluetooth module. */
- bias-pull-down;
+ /*
+ * Configure a bias-bus-hold on CTS to lower power usage
+ * when BT is turned off.
+ */
+ bias-bus-hold;
};
/* For mos_bt_uart */
@@ -490,10 +493,10 @@ mos_bt_uart: &uart7 {
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;
};
/* For mos_bt_uart */
WLAN rail was leaking power during RBSC/sleep even after turning BT off. Change sleep pinctrl configuration to handle same. Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com> --- 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-qcard.dtsi | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)