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Diffstat (limited to 'roms/u-boot/doc/device-tree-bindings/sound/intel-hda.txt')
| -rw-r--r-- | roms/u-boot/doc/device-tree-bindings/sound/intel-hda.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/roms/u-boot/doc/device-tree-bindings/sound/intel-hda.txt b/roms/u-boot/doc/device-tree-bindings/sound/intel-hda.txt new file mode 100644 index 000000000..aa96be06e --- /dev/null +++ b/roms/u-boot/doc/device-tree-bindings/sound/intel-hda.txt @@ -0,0 +1,26 @@ +* Intel High-definition Audio + +Configuration is set using 'verbs' which are blocks of 16 bytes of data each +with a different purpose, a little like a simple instruction set. + +Top-level node +-------------- + +Required properties: +- compatible: "intel,hd-audio" +- beep-verbs: list of verbs to send for a beep + +Optional properties +- intel,beep-nid: Node ID to use for beep (will be detected if not provided) +- codec-enable-gpio : The GPIO used to enable the audio codec + +Required subnodes: +- codecs: Contains a list of codec nodes + + +* Codec nodes + +Required properties: +- vendor-id: 16-bit vendor ID for audio codec +- device-id: 16-bit device ID for audio codec +- verbs: List of verbs, each 4 cells in length |