Hi Geert, On Wed, May 04, 2016 at 10:57:55AM +0200, Geert Uytterhoeven wrote: > Hi Simon, Magnus, > > This patch series updates the various Renesas DTSes to describe that > some UARTS have dedicated lines for RTS/CTS hardware flow control, and > that they are available for use (wired and enabled by pinmux > configuration), by adding the "uart-has-rtscts" property to > board-specific DTS files where appropriate. > > While the actual DT binding updates documenting the "uart-has-rtscts" > property for SCIF(A) UARTs ("serial: sh-sci: Update DT binding > documentation for dedicated RTS/CTS") hasn't been accepted into tty-next > yet, this property is part of the Generic Serial DT Bindings > (Documentation/devicetree/bindings/serial/serial.txt), which has been > accepted. On the basis of the binding being present in the generic documentation I have queued up these patches. If that was not your intention please let me know. > Actual enablement of RTS/CTS hardware flow control (through setting the > CRTSCTS termios flag from userspace) depends on series "[PATCH v2 00/11] > serial: sh-sci: Hardware Flow Control Updates" > (http://www.spinics.net/lists/linux-serial/msg22535.html). > Note that setting the CRTSCTS flag for a serial port that is being used > as the kernel console is a bad idea ;-) You'll have better luck with > UARTs on expansion connectors, cfr. the topic/renesas-overlays branch of > https://git.kernel.org/cgit/linux/kernel/git/geert/renesas-drivers.git > > Thanks! > > Geert Uytterhoeven (3): > ARM: dts: bockw: SCIF0 supports RTS/CTS hardware flow control > ARM: dts: kzm9g: SCIFA4 supports RTS/CTS hardware flow control > arm64: dts: salvator-x: SCIF1 supports RTS/CTS hardware flow control > > arch/arm/boot/dts/r8a7778-bockw.dts | 1 + > arch/arm/boot/dts/sh73a0-kzm9g.dts | 1 + > arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 1 + > 3 files changed, 3 insertions(+) > > -- > 1.9.1 > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html