bindings/sound/microchip%2Csama7g5-pdmc.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/microchip,sama7g5-pdmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
13   The Microchip Pulse Density Microphone Controller (PDMC) interfaces up to 4
17   - $ref: dai-common.yaml#
21     const: microchip,sama7g5-pdmc
26   "#sound-dai-cells":
34       - description: Peripheral Bus Clock
35       - description: Generic Clock
37   clock-names:
39       - const: pclk
40       - const: gclk
46   dma-names:
49   microchip,mic-pos:
55     $ref: /schemas/types.yaml#/definitions/uint32-matrix
58         - description: value for DS line
60         - description: value for sampling edge
66   microchip,startup-delay-us:
69       enabling the PDMC microphones to avoid unwanted noise due to microphones
73   - compatible
74   - reg
75   - "#sound-dai-cells"
76   - interrupts
77   - clocks
78   - clock-names
79   - dmas
80   - dma-names
81   - microchip,mic-pos
86   - |
87     #include <dt-bindings/clock/at91.h>
88     #include <dt-bindings/dma/at91.h>
89     #include <dt-bindings/interrupt-controller/arm-gic.h>
90     #include <dt-bindings/sound/microchip,pdmc.h>
92     pdmc: sound@e1608000 {
93         compatible = "microchip,sama7g5-pdmc";
95         #sound-dai-cells = <0>;
98         dma-names = "rx";
100         clock-names = "pclk", "gclk";
101         microchip,mic-pos = <MCHP_PDMC_DS0 MCHP_PDMC_CLK_POSITIVE>,