Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | # Copyright 2020 Intel Corporation |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/sound/intel,keembay-i2s.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: Intel KeemBay I2S |
| 9 | |
| 10 | maintainers: |
| 11 | - Daniele Alessandrelli <daniele.alessandrelli@intel.com> |
| 12 | - Paul J. Murphy <paul.j.murphy@intel.com> |
| 13 | |
| 14 | description: | |
| 15 | Intel KeemBay I2S |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: dai-common.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - intel,keembay-i2s |
| 24 | - intel,keembay-tdm |
| 25 | - intel,keembay-hdmi-i2s |
| 26 | |
| 27 | "#sound-dai-cells": |
| 28 | const: 0 |
| 29 | |
| 30 | reg: |
| 31 | items: |
| 32 | - description: I2S registers |
| 33 | - description: I2S gen configuration |
| 34 | |
| 35 | reg-names: |
| 36 | items: |
| 37 | - const: i2s-regs |
| 38 | - const: i2s_gen_cfg |
| 39 | |
| 40 | interrupts: |
| 41 | maxItems: 1 |
| 42 | |
| 43 | clocks: |
| 44 | items: |
| 45 | - description: Bus Clock |
| 46 | - description: Module Clock |
| 47 | |
| 48 | clock-names: |
| 49 | items: |
| 50 | - const: osc |
| 51 | - const: apb_clk |
| 52 | |
| 53 | dmas: |
| 54 | items: |
| 55 | - description: DMA TX channel |
| 56 | - description: DMA RX channel |
| 57 | |
| 58 | dma-names: |
| 59 | items: |
| 60 | - const: tx |
| 61 | - const: rx |
| 62 | |
| 63 | required: |
| 64 | - compatible |
| 65 | - "#sound-dai-cells" |
| 66 | - reg |
| 67 | - clocks |
| 68 | - clock-names |
| 69 | - interrupts |
| 70 | |
| 71 | unevaluatedProperties: false |
| 72 | |
| 73 | examples: |
| 74 | - | |
| 75 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 76 | #include <dt-bindings/interrupt-controller/irq.h> |
| 77 | #define KEEM_BAY_PSS_AUX_I2S3 |
| 78 | #define KEEM_BAY_PSS_I2S3 |
| 79 | i2s3: i2s@20140000 { |
| 80 | compatible = "intel,keembay-i2s"; |
| 81 | #sound-dai-cells = <0>; |
| 82 | reg = <0x20140000 0x200>, /* I2S registers */ |
| 83 | <0x202a00a4 0x4>; /* I2S gen configuration */ |
| 84 | reg-names = "i2s-regs", "i2s_gen_cfg"; |
| 85 | interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; |
| 86 | clock-names = "osc", "apb_clk"; |
| 87 | clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>; |
| 88 | dmas = <&axi_dma0 29>, <&axi_dma0 33>; |
| 89 | dma-names = "tx", "rx"; |
| 90 | }; |