linux-kernel - Re: [PATCH v2 09/10] arm64: dts: allwinner: a523: Add SPDIF TX pin on PB and PI pins

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Message-ID: <4686611.LvFx2qVVIh@jernej-laptop>
Date: Mon, 27 Oct 2025 18:58:41 +0100
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: Chen-Yu Tsai <wens@...nel.org>, Jernej Skrabec <jernej@...nel.org>,
 Samuel Holland <samuel@...lland.org>, Mark Brown <broonie@...nel.org>,
 Vinod Koul <vkoul@...nel.org>, Chen-Yu Tsai <wens@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-sunxi@...ts.linux.dev,
 linux-sound@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 devicetree@...r.kernel.org, dmaengine@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject:
 Re: [PATCH v2 09/10] arm64: dts: allwinner: a523: Add SPDIF TX pin on PB and
 PI pins

Dne ponedeljek, 27. oktober 2025 ob 13:56:50 Srednjeevropski standardni čas je Chen-Yu Tsai napisal(a):
> The SPDIF TX (called OWA OUT in the datasheet) is available on three
> pins. Of those, the PH pin is unlikely to be used since it conflicts
> with the first Ethernet controller.
> 
> The Radxa Cubie A5E exposes SPDIF TX through the PI pin group on the
> 40-pin GPIO header.
> 
> The Orange Pi 4A exposes SPDIF TX through both the PB and PI pin
> groups on the 40-pin GPIO header. The PB pin alternatively would be
> used for I2S0 though.
> 
> Add pinmux settings for both options so potential users can directly
> reference either one.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...nel.org>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej