Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mfd/samsung,exynos5433-lpass.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung Exynos SoC Low Power Audio Subsystem (LPASS)
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzk@kernel.org>
  11   - Sylwester Nawrocki <s.nawrocki@samsung.com>
  12
  13 properties:
  14   compatible:
  15     const: samsung,exynos5433-lpass
  16
  17   '#address-cells':
  18     const: 1
  19
  20   clocks:
  21     maxItems: 1
  22
  23   clock-names:
  24     items:
  25       - const: sfr0_ctrl
  26
  27   power-domains:
  28     maxItems: 1
  29
  30   ranges: true
  31
  32   reg:
  33     minItems: 2
  34     maxItems: 2
  35
  36   '#size-cells':
  37     const: 1
  38
  39 patternProperties:
  40   "^dma-controller@[0-9a-f]+$":
  41     $ref: /schemas/dma/arm,pl330.yaml
  42
  43   "^i2s@[0-9a-f]+$":
  44     $ref: /schemas/sound/samsung-i2s.yaml
  45
  46   "^serial@[0-9a-f]+$":
  47     $ref: /schemas/serial/samsung_uart.yaml
  48
  49 required:
  50   - compatible
  51   - '#address-cells'
  52   - clocks
  53   - clock-names
  54   - ranges
  55   - reg
  56   - '#size-cells'
  57
  58 additionalProperties: false
  59
  60 examples:
  61   - |
  62     #include <dt-bindings/clock/exynos5433.h>
  63     #include <dt-bindings/interrupt-controller/arm-gic.h>
  64
  65     audio-subsystem@11400000 {
  66         compatible = "samsung,exynos5433-lpass";
  67         reg = <0x11400000 0x100>, <0x11500000 0x08>;
  68         clocks = <&cmu_aud CLK_PCLK_SFR0_CTRL>;
  69         clock-names = "sfr0_ctrl";
  70         power-domains = <&pd_aud>;
  71         #address-cells = <1>;
  72         #size-cells = <1>;
  73         ranges;
  74
  75         dma-controller@11420000 {
  76             compatible = "arm,pl330", "arm,primecell";
  77             reg = <0x11420000 0x1000>;
  78             interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
  79             clocks = <&cmu_aud CLK_ACLK_DMAC>;
  80             clock-names = "apb_pclk";
  81             #dma-cells = <1>;
  82             #dma-channels = <8>;
  83             #dma-requests = <32>;
  84             power-domains = <&pd_aud>;
  85         };
  86
  87         i2s@11440000 {
  88             compatible = "samsung,exynos7-i2s";
  89             reg = <0x11440000 0x100>;
  90             dmas = <&adma 0>, <&adma 2>;
  91             dma-names = "tx", "rx";
  92             interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
  93             #address-cells = <1>;
  94             #size-cells = <0>;
  95             clocks = <&cmu_aud CLK_PCLK_AUD_I2S>,
  96                      <&cmu_aud CLK_SCLK_AUD_I2S>,
  97                      <&cmu_aud CLK_SCLK_I2S_BCLK>;
  98             clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
  99             #clock-cells = <1>;
 100             pinctrl-names = "default";
 101             pinctrl-0 = <&i2s0_bus>;
 102             power-domains = <&pd_aud>;
 103             #sound-dai-cells = <1>;
 104         };
 105
 106         serial@11460000 {
 107             compatible = "samsung,exynos5433-uart";
 108             reg = <0x11460000 0x100>;
 109             interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
 110             clocks = <&cmu_aud CLK_PCLK_AUD_UART>,
 111                      <&cmu_aud CLK_SCLK_AUD_UART>;
 112             clock-names = "uart", "clk_uart_baud0";
 113             pinctrl-names = "default";
 114             pinctrl-0 = <&uart_aud_bus>;
 115             power-domains = <&pd_aud>;
 116         };
 117     };