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| author | Andreas Färber <afaerber@suse.de> | 2017-04-18 21:25:38 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-06-07 15:25:44 +0200 |
| commit | 2273aa169125fd66e47cee2582f7f8ec3cf32544 (patch) | |
| tree | 7172023b6889295cd9ad2068d91a90f9019ae320 /arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | |
| parent | 3b38fded38cff850a3b0ba85e96528ad791dafc5 (diff) | |
| download | op-kernel-dev-2273aa169125fd66e47cee2582f7f8ec3cf32544.zip op-kernel-dev-2273aa169125fd66e47cee2582f7f8ec3cf32544.tar.gz | |
arm64: dts: allwinner: pine64: Prepare optional UART nodes with pinctrl
Pine64 exposes all A64 UARTs, not just UART0.
Since the pins can be used as GPIO, don't enable the new UART nodes by
default, but prepare the pinctrl settings to aid in activating them via
overlays, i.e., overriding the status property of &uartX nodes.
For UART4 (Euler) the safer route of not including RTS/CTS pins is chosen,
whereas for UART1 (Bluetooth) they are included.
Add the corresponding pinctrl nodes where missing.
Suggested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 699afc5..90dc4ec 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -322,6 +322,21 @@ pins = "PB0", "PB1"; function = "uart2"; }; + + uart3_pins: uart3-pins { + pins = "PD0", "PD1"; + function = "uart3"; + }; + + uart4_pins: uart4-pins { + pins = "PD2", "PD3"; + function = "uart4"; + }; + + uart4_rts_cts_pins: uart4-rts-cts-pins { + pins = "PD4", "PD5"; + function = "uart4"; + }; }; uart0: serial@1c28000 { |
