linux-kernel - [PATCH v2 3/3] ARM: dts: allwinner: Add Orange Pi Zero Interface Board overlay

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Message-Id: <20250809-opz-audio-v2-3-f4fd15552a82@posteo.net>
Date: Sat, 09 Aug 2025 18:18:08 +0200
From: J. Neuschäfer via B4 Relay <devnull+j.ne.posteo.net@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>, 
 Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 J. Neuschäfer <j.ne@...teo.net>
Subject: [PATCH v2 3/3] ARM: dts: allwinner: Add Orange Pi Zero Interface
 Board overlay

From: "J. Neuschäfer" <j.ne@...teo.net>

The Orange Pi Zero interface board is a (mostly) passive adapter from the
13-pin header of the Orange Pi Zero and Orange Pi Zero Plus2 to standard
connectors (2x USB A, 1x Audio/Video output, 1x built-in microphone, 1x
infrared input). Headphones, microphone, infrared (CIR) input, and USB
have been tested with the Orange Pi Zero.

CVBS output is currently not supported.

  https://orangepi.com/index.php?route=product/product&product_id=871

Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
---

v2:
- new patch
---
 arch/arm/boot/dts/allwinner/Makefile               |  7 ++++
 .../sun8i-orangepi-zero-interface-board.dtso       | 46 ++++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile
index d799ad153b37b917d1e1c091fb051140398a574b..97d0a205493f40ba5969b5c8f4708a817ae725c5 100644
--- a/arch/arm/boot/dts/allwinner/Makefile
+++ b/arch/arm/boot/dts/allwinner/Makefile
@@ -182,6 +182,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-wits-pro-a20-dkt.dtb
 
 # Enables support for device-tree overlays for all pis
+DTC_FLAGS_sun8i-h2-plus-orangepi-zero := -@
 DTC_FLAGS_sun8i-h3-orangepi-lite := -@
 DTC_FLAGS_sun8i-h3-bananapi-m2-plus := -@
 DTC_FLAGS_sun8i-h3-nanopi-m1-plus := -@
@@ -225,6 +226,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-h2-plus-libretech-all-h3-cc.dtb \
 	sun8i-h2-plus-orangepi-r1.dtb \
 	sun8i-h2-plus-orangepi-zero.dtb \
+	sun8i-h2-plus-orangepi-zero-interface-board.dtb \
 	sun8i-h3-bananapi-m2-plus.dtb \
 	sun8i-h3-bananapi-m2-plus-v1.2.dtb \
 	sun8i-h3-beelink-x2.dtb \
@@ -244,6 +246,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-h3-orangepi-plus.dtb \
 	sun8i-h3-orangepi-plus2e.dtb \
 	sun8i-h3-orangepi-zero-plus2.dtb \
+	sun8i-h3-orangepi-zero-plus2-interface-board.dtb \
 	sun8i-h3-rervision-dvk.dtb \
 	sun8i-h3-zeropi.dtb \
 	sun8i-h3-emlid-neutis-n5h3-devboard.dtb \
@@ -264,6 +267,10 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-v3s-licheepi-zero-dock.dtb \
 	sun8i-v3s-netcube-kumquat.dtb \
 	sun8i-v40-bananapi-m2-berry.dtb
+sun8i-h2-plus-orangepi-zero-interface-board-dtbs += \
+	sun8i-h2-plus-orangepi-zero.dtb sun8i-orangepi-zero-interface-board.dtbo
+sun8i-h3-orangepi-zero-plus2-interface-board-dtbs += \
+	sun8i-h3-orangepi-zero-plus2.dtb sun8i-orangepi-zero-interface-board.dtbo
 dtb-$(CONFIG_MACH_SUN9I) += \
 	sun9i-a80-optimus.dtb \
 	sun9i-a80-cubieboard4.dtb
diff --git a/arch/arm/boot/dts/allwinner/sun8i-orangepi-zero-interface-board.dtso b/arch/arm/boot/dts/allwinner/sun8i-orangepi-zero-interface-board.dtso
new file mode 100644
index 0000000000000000000000000000000000000000..e137eefee34163752372d442c22179b1fa41615a
--- /dev/null
+++ b/arch/arm/boot/dts/allwinner/sun8i-orangepi-zero-interface-board.dtso
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR X11)
+/*
+ * Copyright (C) 2025 J. Neuschäfer <j.ne@...teo.net>
+ *
+ * Devicetree overlay for the Orange Pi Zero Interface board (OP0014).
+ *
+ *   https://orangepi.com/index.php?route=product/product&product_id=871
+ *
+ * This overlay applies to the following base files:
+ *
+ * - arch/arm/boot/dts/allwinner/sun8i-h2-plus-orangepi-zero.dts
+ * - arch/arm/boot/dts/allwinner/sun8i-h3-orangepi-zero-plus2.dts
+ */
+
+/dts-v1/;
+/plugin/;
+
+&codec {
+	status = "okay";
+};
+
+&de {
+	status = "okay";
+};
+
+&ehci2 {
+	status = "okay";
+};
+
+&ehci3 {
+	status = "okay";
+};
+
+&ir {
+	pinctrl-names = "default";
+	pinctrl-0 = <&r_ir_rx_pin>;
+	status = "okay";
+};
+
+&ohci2 {
+	status = "okay";
+};
+
+&ohci3 {
+	status = "okay";
+};

-- 
2.48.0.rc1.219.gb6b6757d772