This series delivers power improvements for stm32-usart driver. Bich Hemon (4): dt-bindings: serial: add optional pinctrl states serial: stm32: select pinctrl state in each suspend/resume function ARM: dts: stm32: Update pin states for uart4 on stm32mp157c-ed1 ARM: dts: stm32: Update UART4 pin states on stm32mp157a-dk1 Erwan Le Ray (6): dt-bindings: serial: stm32: add wakeup option serial: stm32: add pm_runtime support serial: stm32: Use __maybe_unused instead of #if CONFIG_PM_SLEEP serial: stm32: add support for no_console_suspend ARM: dts: stm32: update uart4 pin configurations for low power ARM: dts: stm32: add wakeup capability on each usart/uart on stm32mp157c .../devicetree/bindings/serial/st,stm32-usart.txt | 19 ++++- arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 17 +++++ arch/arm/boot/dts/stm32mp157a-dk1.dts | 5 +- arch/arm/boot/dts/stm32mp157c-ed1.dts | 5 +- arch/arm/boot/dts/stm32mp157c.dtsi | 40 ++++++++-- drivers/tty/serial/stm32-usart.c | 88 ++++++++++++++++++++-- drivers/tty/serial/stm32-usart.h | 1 + 7 files changed, 155 insertions(+), 20 deletions(-) -- 1.9.1