87 lines
1.8 KiB
YAML
87 lines
1.8 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright 2020 Intel Corporation
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/intel,keembay-i2s.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Intel KeemBay I2S Device Tree Bindings
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maintainers:
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- Sia, Jee Heng <jee.heng.sia@intel.com>
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description: |
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Intel KeemBay I2S
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properties:
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compatible:
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enum:
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- intel,keembay-i2s
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- intel,keembay-tdm
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- intel,keembay-hdmi-i2s
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"#sound-dai-cells":
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const: 0
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reg:
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items:
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- description: I2S registers
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- description: I2S gen configuration
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reg-names:
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items:
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- const: i2s-regs
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- const: i2s_gen_cfg
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: Bus Clock
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- description: Module Clock
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clock-names:
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items:
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- const: osc
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- const: apb_clk
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dmas:
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items:
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- description: DMA TX channel
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- description: DMA RX channel
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dma-names:
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items:
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- const: tx
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- const: rx
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required:
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- compatible
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- "#sound-dai-cells"
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- reg
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- clocks
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- clock-names
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#define KEEM_BAY_PSS_AUX_I2S3
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#define KEEM_BAY_PSS_I2S3
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i2s3: i2s@20140000 {
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compatible = "intel,keembay-i2s";
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#sound-dai-cells = <0>;
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reg = <0x20140000 0x200>, /* I2S registers */
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<0x202a00a4 0x4>; /* I2S gen configuration */
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reg-names = "i2s-regs", "i2s_gen_cfg";
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interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
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clock-names = "osc", "apb_clk";
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clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>;
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dmas = <&axi_dma0 29>, <&axi_dma0 33>;
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dma-names = "tx", "rx";
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};
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