| Message ID | 20200708033246.2626378-9-sjg@chromium.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | x86: Programmatic generation of ACPI tables (Part C) | expand |
On Wed, Jul 8, 2020 at 11:33 AM Simon Glass <sjg at chromium.org> wrote: > > Add devicetree bindings for the Intel Non-High-Definition-Audio Link Table > (NHLT). > > Signed-off-by: Simon Glass <sjg at chromium.org> > Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com> > --- > > Changes in v2: > - Add a comment pointing to the PCI spec > > include/dt-bindings/sound/nhlt.h | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 include/dt-bindings/sound/nhlt.h > Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
diff --git a/include/dt-bindings/sound/nhlt.h b/include/dt-bindings/sound/nhlt.h new file mode 100644 index 0000000000..dad69c24b4 --- /dev/null +++ b/include/dt-bindings/sound/nhlt.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2019 Google LLC + */ + +#ifndef _DT_BINDINGS_SOUND_NHLT_H +#define _DT_BINDINGS_SOUND_NHLT_H + +/* See Table 2-1. NHLT Endpoint Descriptor in the NHLT Specification (0.8.1) */ +#define NHLT_VID 0x8086 +#define NHLT_DID_DMIC 0xae20 +#define NHLT_DID_BT 0xae30 +#define NHLT_DID_SSP 0xae34 + +/* Hardware links available to use for codecs */ +#define AUDIO_LINK_SSP0 0 +#define AUDIO_LINK_SSP1 1 +#define AUDIO_LINK_SSP2 2 +#define AUDIO_LINK_SSP3 3 +#define AUDIO_LINK_SSP4 4 +#define AUDIO_LINK_SSP5 5 +#define AUDIO_LINK_DMIC 6 + +#endif /* _DT_BINDINGS_SOUND_NHLT_H */