From 6060bb0c91346a12924e9060518188b0eba6d072 Mon Sep 17 00:00:00 2001 From: Vitor Soares Date: Thu, 16 Jul 2026 19:43:00 +0100 Subject: [PATCH] arm64: dts: ti: k3-am62p-verdin: Add NAU8822 Bridge Tied Load Add a device tree overlay enabling Bridge Tied Load (BTL) mode on the Nuvoton NAU8822 audio codec present on the Verdin Development Board. In BTL mode, the two loudspeaker outputs are bridged to deliver higher output power on the X28 speaker connector. Reviewed-by: Francesco Dolcini Signed-off-by: Vitor Soares Link: https://patch.msgid.link/20260716184300.85413-6-ivitro@gmail.com Signed-off-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/Makefile | 4 ++++ .../dts/ti/k3-am62p5-verdin-dev-nau8822-btl.dtso | 14 ++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am62p5-verdin-dev-nau8822-btl.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 1fbcc0efdafb..51625c3f592e 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -84,6 +84,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm.dtb # Boards with AM62Px SoC dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am62p5-var-som-symphony.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am62p5-verdin-dev-nau8822-btl.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am62p5-verdin-nonwifi-dahlia.dtb dtb-$(CONFIG_ARCH_K3) += k3-am62p5-verdin-nonwifi-dev.dtb dtb-$(CONFIG_ARCH_K3) += k3-am62p5-verdin-nonwifi-ivy.dtb @@ -309,6 +310,8 @@ k3-am62p5-sk-csi2-ov5640-dtbs := k3-am62p5-sk.dtb \ k3-am62x-sk-csi2-ov5640.dtbo k3-am62p5-sk-csi2-tevi-ov5640-dtbs := k3-am62p5-sk.dtb \ k3-am62x-sk-csi2-tevi-ov5640.dtbo +k3-am62p5-verdin-wifi-dev-nau8822-btl-dtbs := k3-am62p5-verdin-wifi-dev.dtb \ + k3-am62p5-verdin-dev-nau8822-btl.dtbo k3-am642-evm-icssg0-dtbs := \ k3-am642-evm.dtb k3-am642-evm-icssg0.dtbo k3-am642-evm-icssg1-dualemac-dtbs := \ @@ -431,6 +434,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am62p5-sk-csi2-imx219.dtb \ k3-am62p5-sk-csi2-ov5640.dtb \ k3-am62p5-sk-csi2-tevi-ov5640.dtb \ + k3-am62p5-verdin-wifi-dev-nau8822-btl.dtb \ k3-am642-evm-icssg0.dtb \ k3-am642-evm-icssg1-dualemac.dtb \ k3-am642-evm-icssg1-dualemac-mii.dtb \ diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-verdin-dev-nau8822-btl.dtso b/arch/arm64/boot/dts/ti/k3-am62p5-verdin-dev-nau8822-btl.dtso new file mode 100644 index 000000000000..e4b662519a6b --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62p5-verdin-dev-nau8822-btl.dtso @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright (c) Toradex + * + * Enable Bridge Tied Load (BTL) speaker mode on the Verdin Development Board, + * combining the two loudspeaker outputs for higher output power. + */ + +/dts-v1/; +/plugin/; + +&nau8822_1a { + nuvoton,spk-btl; +};