| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/fsl,xcvr.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NXP Audio Transceiver (XCVR) Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Viorel Suman <viorel.suman@nxp.com> |
| 11 | |
| 12 | description: | |
| 13 | NXP XCVR (Audio Transceiver) is a on-chip functional module |
| 14 | that allows CPU to receive and transmit digital audio via |
| 15 | HDMI2.1 eARC, HDMI1.4 ARC and SPDIF. |
| 16 | |
| 17 | properties: |
| 18 | $nodename: |
| 19 | pattern: "^xcvr@.*" |
| 20 | |
| 21 | compatible: |
| 22 | enum: |
| 23 | - fsl,imx8mp-xcvr |
| 24 | - fsl,imx93-xcvr |
| 25 | |
| 26 | reg: |
| 27 | items: |
| 28 | - description: 20K RAM for code and data |
| 29 | - description: registers space |
| 30 | - description: RX FIFO address |
| 31 | - description: TX FIFO address |
| 32 | |
| 33 | reg-names: |
| 34 | items: |
| 35 | - const: ram |
| 36 | - const: regs |
| 37 | - const: rxfifo |
| 38 | - const: txfifo |
| 39 | |
| 40 | interrupts: |
| 41 | maxItems: 1 |
| 42 | |
| 43 | clocks: |
| 44 | items: |
| 45 | - description: Peripheral clock |
| 46 | - description: PHY clock |
| 47 | - description: SPBA clock |
| 48 | - description: PLL clock |
| 49 | |
| 50 | clock-names: |
| 51 | items: |
| 52 | - const: ipg |
| 53 | - const: phy |
| 54 | - const: spba |
| 55 | - const: pll_ipg |
| 56 | |
| 57 | dmas: |
| 58 | items: |
| 59 | - description: DMA controller phandle and request line for RX |
| 60 | - description: DMA controller phandle and request line for TX |
| 61 | |
| 62 | dma-names: |
| 63 | items: |
| 64 | - const: rx |
| 65 | - const: tx |
| 66 | |
| 67 | resets: |
| 68 | maxItems: 1 |
| 69 | |
| 70 | required: |
| 71 | - compatible |
| 72 | - reg |
| 73 | - reg-names |
| 74 | - interrupts |
| 75 | - clocks |
| 76 | - clock-names |
| 77 | - dmas |
| 78 | - dma-names |
| 79 | - resets |
| 80 | |
| 81 | additionalProperties: false |
| 82 | |
| 83 | examples: |
| 84 | - | |
| 85 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 86 | #include <dt-bindings/clock/imx8mp-clock.h> |
| 87 | #include <dt-bindings/reset/imx8mp-reset.h> |
| 88 | |
| 89 | xcvr: xcvr@30cc0000 { |
| 90 | compatible = "fsl,imx8mp-xcvr"; |
| 91 | reg = <0x30cc0000 0x800>, |
| 92 | <0x30cc0800 0x400>, |
| 93 | <0x30cc0c00 0x080>, |
| 94 | <0x30cc0e00 0x080>; |
| 95 | reg-names = "ram", "regs", "rxfifo", "txfifo"; |
| 96 | interrupts = <0x0 128 IRQ_TYPE_LEVEL_HIGH>; |
| 97 | clocks = <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_IPG>, |
| 98 | <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_PHY>, |
| 99 | <&audiomix_clk IMX8MP_CLK_AUDIOMIX_SPBA2_ROOT>, |
| 100 | <&audiomix_clk IMX8MP_CLK_AUDIOMIX_AUDPLL_ROOT>; |
| 101 | clock-names = "ipg", "phy", "spba", "pll_ipg"; |
| 102 | dmas = <&sdma2 30 2 0>, <&sdma2 31 2 0>; |
| 103 | dma-names = "rx", "tx"; |
| 104 | resets = <&audiomix_reset 0>; |
| 105 | }; |