This file allows correct check of DTS node for imx287 based "fsl,imx28-saif" compatible device. It corresponds to Documentation/devicetree/bindings/fsl,imx28-saif Signed-off-by: Lukasz Majewski <lukma@xxxxxxx> --- .../devicetree/bindings/sound/fsl,saif.yaml | 79 +++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl,saif.yaml diff --git a/Documentation/devicetree/bindings/sound/fsl,saif.yaml b/Documentation/devicetree/bindings/sound/fsl,saif.yaml new file mode 100644 index 000000000000..747faa411a50 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,saif.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/fsl,saif.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MXS Serial Audio Interface (SAIF) + +maintainers: + - Lukasz Majewski <lukma@xxxxxxx> + +description: | + The SAIF is based on I2S module that is used to communicate with audio codecs, + but only with half-duplex manner (i.e. it can either transmit or receive PCM + audio). + +properties: + compatible: + const: fsl,imx28-saif + + reg: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + assigned-clock-parents: true + assigned-clock-rates: true + assigned-clocks: true + + interrupts: + maxItems: 1 + + dmas: + maxItems: 1 + + dma-names: + const: rx-tx + + clocks: + maxItems: 1 + + fsl,saif-master: + description: Indicate that saif is a slave and its phandle points to master + $ref: /schemas/types.yaml#/definitions/phandle + +required: + - compatible + - reg + - interrupts + - clocks + - dmas + - dma-names + - "#sound-dai-cells" + +unevaluatedProperties: false + +examples: + - | + saif0: saif@80042000 { + #sound-dai-cells = <0>; + compatible = "fsl,imx28-saif"; + reg = <0x80042000 2000>; + interrupts = <59>; + clocks = <&clks 53>; + dmas = <&dma_apbx 4>; + dma-names = "rx-tx"; + }; + - | + saif1: saif@80046000 { + #sound-dai-cells = <0>; + compatible = "fsl,imx28-saif"; + reg = <0x80046000 2000>; + interrupts = <58>; + clocks = <&clks 53>; + dmas = <&dma_apbx 5>; + dma-names = "rx-tx"; + fsl,saif-master = <&saif0>; + }; -- 2.39.2