120 lines
3.0 KiB
YAML
120 lines
3.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/imx-audmux.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale Digital Audio Mux device
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maintainers:
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- Oleksij Rempel <o.rempel@pengutronix.de>
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- fsl,imx27-audmux
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- const: fsl,imx21-audmux
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- items:
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- enum:
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- fsl,imx25-audmux
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- fsl,imx35-audmux
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- fsl,imx50-audmux
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- fsl,imx51-audmux
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- fsl,imx53-audmux
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- fsl,imx6q-audmux
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- fsl,imx6sl-audmux
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- fsl,imx6sll-audmux
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- fsl,imx6sx-audmux
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- const: fsl,imx31-audmux
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: audmux
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patternProperties:
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"^mux-[0-9a-z]*$":
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type: object
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properties:
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fsl,audmux-port:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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Integer of the audmux port that is configured by this child node
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fsl,port-config:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: |
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List of configuration options for the specific port.
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For imx31-audmux and above, it is a list of tuples ptcr pdcr.
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For imx21-audmux it is a list of pcr values.
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required:
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- fsl,audmux-port
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- fsl,port-config
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additionalProperties: false
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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audmux@21d8000 {
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compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux";
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reg = <0x021d8000 0x4000>;
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};
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- |
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audmux@10016000 {
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compatible = "fsl,imx27-audmux", "fsl,imx21-audmux";
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reg = <0x10016000 0x1000>;
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clocks = <&clks 1>;
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clock-names = "audmux";
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mux-ssi0 {
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fsl,audmux-port = <0>;
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fsl,port-config = <0xcb205000>;
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};
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mux-pins4 {
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fsl,audmux-port = <2>;
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fsl,port-config = <0x00001000>;
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};
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};
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- |
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#include <dt-bindings/sound/fsl-imx-audmux.h>
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audmux@21d8000 {
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compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux";
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reg = <0x021d8000 0x4000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_audmux>;
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mux-ssi1 {
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fsl,audmux-port = <0>;
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fsl,port-config = <
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IMX_AUDMUX_V2_PTCR_SYN 0
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IMX_AUDMUX_V2_PTCR_TFSEL(2) 0
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IMX_AUDMUX_V2_PTCR_TCSEL(2) 0
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IMX_AUDMUX_V2_PTCR_TFSDIR 0
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IMX_AUDMUX_V2_PTCR_TCLKDIR IMX_AUDMUX_V2_PDCR_RXDSEL(2)
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>;
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};
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mux-pins3 {
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fsl,audmux-port = <2>;
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fsl,port-config = <
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IMX_AUDMUX_V2_PTCR_SYN IMX_AUDMUX_V2_PDCR_RXDSEL(0)
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0 IMX_AUDMUX_V2_PDCR_TXRXEN
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>;
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};
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};
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