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