Re: [PATCH v2 00/10] serial: st-asc: Allow handling of RTS line

Lee Jones
2017-02-02T07:42:42Z

Hi Greg, Jiri,

> When hardware flow-control is disabled, manual toggling of the UART's
> reset line (RTS) using userland applications (e.g. stty) is not
> possible, since the ASC IP does not provide this functionality in the
> same was as some other IPs do. Thus, we have to do this manually.
>
> This set ensures the correct Pinctrl groups are configured and
> obtained for both manual toggling of the RTS line and for the IP to
> take over the lines when HW flow-control is requested by the user.
>
> Lee Jones (10):
> serial: st-asc: Ignore the parity error bit if 8-bit mode is enabled
> serial: st-asc: Provide RTS functionality
> serial: st-asc: Read in all Pinctrl states
> serial: st-asc: (De)Register GPIOD and swap Pinctrl profiles
> serial: st-asc: Use generic DT binding for announcing RTS/CTS lines
> dt-bindings: serial: Update 'uart-has-rtscts' description
> ARM: dts: STiH410-b2260: Identify the UART RTS line
> ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
> ARM: dts: STiH407-family: Use new Pinctrl groups
> ARM: dts: STiH410-b2260: Enable HW flow-control
>
> .../devicetree/bindings/serial/serial.txt | 3 +-
> arch/arm/boot/dts/stih407-family.dtsi | 3 +-
> arch/arm/boot/dts/stih407-pinctrl.dtsi | 12 ++-
> arch/arm/boot/dts/stih410-b2260.dts | 5 +
> drivers/tty/serial/st-asc.c | 101 +++++++++++++++++++--
> 5 files changed, 110 insertions(+), 14 deletions(-)

Looks like everyone is happy with the set.

Are you planning to merge it?

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog