| # 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 |
| >; |
| }; |
| }; |
