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| From | Lee Jones <lee.jones@linaro.org> |
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control |
| Date | Wed, 01 Feb 2017 15:40:03 +0100 |
| Message-ID | <t64eL-77f-41@gated-at.bofh.it> (permalink) |
| References | <t64eJ-77f-5@gated-at.bofh.it> |
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Each serial port which supports HW flow-control should have 2 Pinctrl
groups. One for when HW flow-control is in progress, where the IP
will take over controlling the lines and another group which enables
the lines to be toggled using GPIO mechanisms.
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
arch/arm/boot/dts/stih407-pinctrl.dtsi | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/stih407-pinctrl.dtsi b/arch/arm/boot/dts/stih407-pinctrl.dtsi
index daab16b..bd1a82e 100644
--- a/arch/arm/boot/dts/stih407-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stih407-pinctrl.dtsi
@@ -465,8 +465,16 @@
serial0 {
pinctrl_serial0: serial0-0 {
st,pins {
- tx = <&pio17 0 ALT1 OUT>;
- rx = <&pio17 1 ALT1 IN>;
+ tx = <&pio17 0 ALT1 OUT>;
+ rx = <&pio17 1 ALT1 IN>;
+ };
+ };
+ pinctrl_serial0_hw_flowctrl: serial0-0_hw_flowctrl {
+ st,pins {
+ tx = <&pio17 0 ALT1 OUT>;
+ rx = <&pio17 1 ALT1 IN>;
+ cts = <&pio17 2 ALT1 IN>;
+ rts = <&pio17 3 ALT1 OUT>;
};
};
};
--
2.9.3
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[PATCH v2 00/10] serial: st-asc: Allow handling of RTS line Lee Jones <lee.jones@linaro.org> - 2017-02-01 15:40 +0100
[PATCH v2 04/10] serial: st-asc: (De)Register GPIOD and swap Pinctrl profiles Lee Jones <lee.jones@linaro.org> - 2017-02-01 15:40 +0100
[PATCH v2 08/10] ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control Lee Jones <lee.jones@linaro.org> - 2017-02-01 15:40 +0100
[PATCH v2 03/10] serial: st-asc: Read in all Pinctrl states Lee Jones <lee.jones@linaro.org> - 2017-02-01 15:40 +0100
Re: [STLinux Kernel] [PATCH v2 03/10] serial: st-asc: Read in all Pinctrl states Peter Griffin <peter.griffin@linaro.org> - 2017-02-01 16:00 +0100
Re: [PATCH v2 00/10] serial: st-asc: Allow handling of RTS line Greg KH <gregkh@linuxfoundation.org> - 2017-02-03 10:20 +0100
Re: [PATCH v2 00/10] serial: st-asc: Allow handling of RTS line Lee Jones <lee.jones@linaro.org> - 2017-02-03 11:20 +0100
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