On 27/01/2023 11:02, Christian Hewitt wrote:
> BPI-M2-PRO is based upon the BPI-M5 design except for a different
> physical board layout and the following changes:
>
> - USB 3.0 ports reduced from 4x to 2x
> - 3.5mm Combined CVBS/Audio Jack removed
> - RTL8821BU WiFi/BT module (internal USB connected)
>
> Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/amlogic/Makefile | 1 +
> .../dts/amlogic/meson-sm1-bananapi-m2-pro.dts | 98 +++++++++++++++++++
> 2 files changed, 99 insertions(+)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts
>
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 97b42e2100e0..644451794aca 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -60,6 +60,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-wetek-core2.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-s4-s805x2-aq222.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-a95xf3-air-gbit.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-a95xf3-air.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-sm1-bananapi-m2-pro.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-bananapi-m5.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-h96-max.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts
> new file mode 100644
> index 000000000000..4890d5d9a4f7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts
> @@ -0,0 +1,98 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2021 BayLibre SAS
> + * Author: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-sm1-bananapi.dtsi"
> +#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
> +
> +/ {
> + compatible = "bananapi,bpi-m2-pro", "amlogic,sm1";
> + model = "Banana Pi BPI-M2-PRO";
> +
> + sound {
> + compatible = "amlogic,axg-sound-card";
> + model = "BPI-M2-PRO";
> + audio-aux-devs = <&tdmout_b>;
> + audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
> + "TDMOUT_B IN 1", "FRDDR_B OUT 1",
> + "TDMOUT_B IN 2", "FRDDR_C OUT 1",
> + "TDM_B Playback", "TDMOUT_B OUT";
> +
> + assigned-clocks = <&clkc CLKID_MPLL2>,
> + <&clkc CLKID_MPLL0>,
> + <&clkc CLKID_MPLL1>;
> + assigned-clock-parents = <0>, <0>, <0>;
> + assigned-clock-rates = <294912000>,
> + <270950400>,
> + <393216000>;
> + status = "okay";
It's by default. Did any DTSI disable the sound node?
Best regards,
Krzysztof
