R_UART is available on extra pads on certain tablets, which makes it
ideal for use as a console. Here we add the pins for it.
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
arch/arm/boot/dts/sun8i-a23.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-a23.dtsi b/arch/arm/boot/dts/sun8i-a23.dtsi
index 0d6bb6d..25bae1f 100644
--- a/arch/arm/boot/dts/sun8i-a23.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23.dtsi
@@ -372,6 +372,13 @@
#address-cells = <1>;
#size-cells = <0>;
#gpio-cells = <3>;
+
+ r_uart_pins_a: r_uart@0 {
+ allwinner,pins = "PL2", "PL3";
+ allwinner,function = "s_uart";
+ allwinner,drive = <0>;
+ allwinner,pull = <0>;
+ };
};
};
};
--
2.1.0
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