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The Allwinner V3 and S3 can use PG6/7 as RX/TX for UART1. Since no other functions are assigned to those pins, they are a convenient choice for a debugging or application UART. This is specific to V3/S3 as the V3s's non-BGA package did not have those pins. Signed-off-by: Matteo Scordino <matteo.scordino@gmail.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20201030234325.5865-3-matteo.scordino@gmail.com
32 lines
497 B
Text
32 lines
497 B
Text
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (C) 2019 Icenowy Zheng <icenowy@aosc.io>
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*/
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#include "sun8i-v3s.dtsi"
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&ccu {
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compatible = "allwinner,sun8i-v3-ccu";
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};
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&emac {
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/delete-property/ phy-handle;
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/delete-property/ phy-mode;
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};
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&mdio_mux {
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external_mdio: mdio@2 {
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reg = <2>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};
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&pio {
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compatible = "allwinner,sun8i-v3-pinctrl";
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uart1_pg_pins: uart1-pg-pins {
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pins = "PG6", "PG7";
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function = "uart1";
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};
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};
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