xref: /linux/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.yaml (revision ae22a94997b8a03dcb3c922857c203246711f9d4) 
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
7title: Samsung Exynos SoC Low Power Audio Subsystem (LPASS)
8
9maintainers:
10  - Krzysztof Kozlowski <krzk@kernel.org>
11  - Sylwester Nawrocki <s.nawrocki@samsung.com>
12
13properties:
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
39patternProperties:
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
49required:
50  - compatible
51  - '#address-cells'
52  - clocks
53  - clock-names
54  - ranges
55  - reg
56  - '#size-cells'
57
58additionalProperties: false
59
60examples:
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,exynos5433-i2s", "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    };
118