openwrtv4/target/linux/sunxi/patches-4.9/0023-arm64-allwinner-a64-add-UART1-pin-nodes.patch
Hauke Mehrtens 3b88f74bbe sunxi: Backport patches from kernel 4.11 for A64
This backports some more patches from kernel 4.11 adding more devices
to the device tree of the A64 SoC.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2017-09-18 20:34:55 +02:00

35 lines
1 KiB
Diff

From e7ba733d32cc9487b62b07219ad911c77764a681 Mon Sep 17 00:00:00 2001
From: Andre Przywara <andre.przywara@arm.com>
Date: Tue, 10 Jan 2017 01:22:32 +0000
Subject: arm64: allwinner: a64: add UART1 pin nodes
On many boards UART1 connects to a Bluetooth chip, so add the pinctrl
nodes for the only pins providing access to that UART. That includes
those pins for hardware flow control (RTS/CTS).
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
---
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -272,6 +272,16 @@
pins = "PB8", "PB9";
function = "uart0";
};
+
+ uart1_pins: uart1_pins {
+ pins = "PG6", "PG7";
+ function = "uart1";
+ };
+
+ uart1_rts_cts_pins: uart1_rts_cts_pins {
+ pins = "PG8", "PG9";
+ function = "uart1";
+ };
};
uart0: serial@1c28000 {