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Open Menu / Documentation / devicetree / bindings / mfd / samsung,exynos5433-lpass.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/samsung,exynos5433-lpass.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Samsung Exynos SoC Low Power Audio Subsystem (LPASS)

maintainers:
  - Krzysztof Kozlowski <krzk@kernel.org>
  - Sylwester Nawrocki <s.nawrocki@samsung.com>

properties:
  compatible:
    const: samsung,exynos5433-lpass

  '#address-cells':
    const: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: sfr0_ctrl

  power-domains:
    maxItems: 1

  ranges: true

  reg:
    minItems: 2
    maxItems: 2

  '#size-cells':
    const: 1

patternProperties:
  "^dma-controller@[0-9a-f]+$":
    $ref: /schemas/dma/arm,pl330.yaml

  "^i2s@[0-9a-f]+$":
    $ref: /schemas/sound/samsung-i2s.yaml

  "^serial@[0-9a-f]+$":
    $ref: /schemas/serial/samsung_uart.yaml

required:
  - compatible
  - '#address-cells'
  - clocks
  - clock-names
  - ranges
  - reg
  - '#size-cells'

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/exynos5433.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    audio-subsystem@11400000 {
        compatible = "samsung,exynos5433-lpass";
        reg = <0x11400000 0x100>, <0x11500000 0x08>;
        clocks = <&cmu_aud CLK_PCLK_SFR0_CTRL>;
        clock-names = "sfr0_ctrl";
        power-domains = <&pd_aud>;
        #address-cells = <1>;
        #size-cells = <1>;
        ranges;

        dma-controller@11420000 {
            compatible = "arm,pl330", "arm,primecell";
            reg = <0x11420000 0x1000>;
            interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&cmu_aud CLK_ACLK_DMAC>;
            clock-names = "apb_pclk";
            #dma-cells = <1>;
            dma-channels = <8>;
            dma-requests = <32>;
            power-domains = <&pd_aud>;
        };

        i2s@11440000 {
            compatible = "samsung,exynos7-i2s";
            reg = <0x11440000 0x100>;
            dmas = <&adma 0>, <&adma 2>;
            dma-names = "tx", "rx";
            interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
            #address-cells = <1>;
            #size-cells = <0>;
            clocks = <&cmu_aud CLK_PCLK_AUD_I2S>,
                     <&cmu_aud CLK_SCLK_AUD_I2S>,
                     <&cmu_aud CLK_SCLK_I2S_BCLK>;
            clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
            #clock-cells = <1>;
            pinctrl-names = "default";
            pinctrl-0 = <&i2s0_bus>;
            power-domains = <&pd_aud>;
            #sound-dai-cells = <1>;
        };

        serial@11460000 {
            compatible = "samsung,exynos5433-uart";
            reg = <0x11460000 0x100>;
            interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&cmu_aud CLK_PCLK_AUD_UART>,
                     <&cmu_aud CLK_SCLK_AUD_UART>;
            clock-names = "uart", "clk_uart_baud0";
            pinctrl-names = "default";
            pinctrl-0 = <&uart_aud_bus>;
            power-domains = <&pd_aud>;
        };
    };