arm64: dts: rockchip: add SPDIF node for ROCK Pi 4

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Add a SPDIF audio-graph-card to ROCK Pi 4 device tree.

It's not enabled by default since all dma channels are used by
the (already) enabled i2s0/1/2 and the pin is muxed with GPIO4_C5
which might be in use already.
If enabled SPDIF_TX will be available at pin #15.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20210618181256.27992-6-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

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Alex Bee 2021-06-18 20:12:56 +02:00 • committed by Heiko Stuebner

parent 65bd2b8bdb

commit 697dd494cb

1 changed files with 26 additions and 0 deletions

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arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi

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