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| author |   Codrin Ciubotariu <codrin.ciubotariu@microchip.com> | 2022-03-07 14:21:58 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2022-03-08 13:38:58 +0000 |
| commit | 015044e9610c8523794ea6cb55d5388bc00ba96a (patch) | |
| tree | 914911ec131cf6d3e4f3b8845d8459ca275f6974 /include/dt-bindings/sound | |
| parent | ASoC: dmaengine: do not use a NULL prepare_slave_config() callback (diff) | |
| download | linux-dev-015044e9610c8523794ea6cb55d5388bc00ba96a.tar.xz linux-dev-015044e9610c8523794ea6cb55d5388bc00ba96a.zip | |
ASoC: dt-bindings: Document Microchip's PDMC
Add DT bindings for the new Microchip PDMC embedded in sama7g5 SoCs.
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220307122202.2251639-3-codrin.ciubotariu@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/dt-bindings/sound')
| -rw-r--r-- | include/dt-bindings/sound/microchip,pdmc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/dt-bindings/sound/microchip,pdmc.h b/include/dt-bindings/sound/microchip,pdmc.h new file mode 100644 index 000000000000..96cde94ce74f --- /dev/null +++ b/include/dt-bindings/sound/microchip,pdmc.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __DT_BINDINGS_MICROCHIP_PDMC_H__ +#define __DT_BINDINGS_MICROCHIP_PDMC_H__ + +/* PDM microphone's pin placement */ +#define MCHP_PDMC_DS0 0 +#define MCHP_PDMC_DS1 1 + +/* PDM microphone clock edge sampling */ +#define MCHP_PDMC_CLK_POSITIVE 0 +#define MCHP_PDMC_CLK_NEGATIVE 1 + +#endif /* __DT_BINDINGS_MICROCHIP_PDMC_H__ */ |