xref: /linux/Documentation/devicetree/bindings/spi/sprd,sc9860-spi.yaml (revision fcc79e1714e8c2b8e216dc3149812edd37884eef) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/spi/sprd,sc9860-spi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Spreadtrum SC9860 SPI Controller
8
9maintainers:
10  - Orson Zhai <orsonzhai@gmail.com>
11  - Baolin Wang <baolin.wang7@gmail.com>
12  - Chunyan Zhang <zhang.lyra@gmail.com>
13
14properties:
15  compatible:
16    const: sprd,sc9860-spi
17
18  reg:
19    maxItems: 1
20
21  interrupts:
22    maxItems: 1
23
24  clocks:
25    items:
26      - description: SPI clock
27      - description: SPI source (parent) clock
28      - description: SPI module enable clock
29
30  clock-names:
31    items:
32      - const: spi
33      - const: source
34      - const: enable
35
36  dmas:
37    maxItems: 2
38
39  dma-names:
40    items:
41      - const: rx_chn
42      - const: tx_chn
43
44required:
45  - compatible
46  - reg
47  - interrupts
48  - clocks
49  - clock-names
50
51allOf:
52  - $ref: spi-controller.yaml#
53
54unevaluatedProperties: false
55
56examples:
57  - |
58    #include <dt-bindings/interrupt-controller/arm-gic.h>
59    #include <dt-bindings/interrupt-controller/irq.h>
60
61    spi@70a00000 {
62      compatible = "sprd,sc9860-spi";
63      reg = <0x70a00000 0x1000>;
64      interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
65      clocks = <&clk_spi0>, <&ext_26m>, <&clk_ap_apb_gates 5>;
66      clock-names = "spi", "source", "enable";
67      dmas = <&apdma 11 11>, <&apdma 12 12>;
68      dma-names = "rx_chn", "tx_chn";
69      #address-cells = <1>;
70      #size-cells = <0>;
71    };
72...
73