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