ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -465,8 +465,16 @@
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serial0 {
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pinctrl_serial0: serial0-0 {
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st,pins {
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tx = <&pio17 0 ALT1 OUT>;
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rx = <&pio17 1 ALT1 IN>;
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tx = <&pio17 0 ALT1 OUT>;
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rx = <&pio17 1 ALT1 IN>;
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};
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};
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pinctrl_serial0_hw_flowctrl: serial0-0_hw_flowctrl {
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st,pins {
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tx = <&pio17 0 ALT1 OUT>;
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rx = <&pio17 1 ALT1 IN>;
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cts = <&pio17 2 ALT1 IN>;
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rts = <&pio17 3 ALT1 OUT>;
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};
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};
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};
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