1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright 2019,2020 Lubomir Rintel <lkundrak@ 2 # Copyright 2019,2020 Lubomir Rintel <lkundrak@v3.sk>
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 $id: http://devicetree.org/schemas/spi/marvell 5 $id: http://devicetree.org/schemas/spi/marvell,mmp2-ssp.yaml#
6 $schema: http://devicetree.org/meta-schemas/co 6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 7
8 title: PXA2xx SSP SPI Controller 8 title: PXA2xx SSP SPI Controller
9 9
10 maintainers: 10 maintainers:
11 - Lubomir Rintel <lkundrak@v3.sk> 11 - Lubomir Rintel <lkundrak@v3.sk>
12 12
13 properties: 13 properties:
14 compatible: 14 compatible:
15 enum: 15 enum:
16 - marvell,mmp2-ssp 16 - marvell,mmp2-ssp
17 - mrvl,ce4100-ssp 17 - mrvl,ce4100-ssp
18 - mvrl,pxa168-ssp 18 - mvrl,pxa168-ssp
19 - mrvl,pxa25x-ssp 19 - mrvl,pxa25x-ssp
20 - mvrl,pxa25x-nssp 20 - mvrl,pxa25x-nssp
21 - mrvl,pxa27x-ssp 21 - mrvl,pxa27x-ssp
22 - mrvl,pxa3xx-ssp 22 - mrvl,pxa3xx-ssp
23 - mrvl,pxa910-ssp 23 - mrvl,pxa910-ssp
24 24
25 interrupts: 25 interrupts:
26 maxItems: 1 26 maxItems: 1
27 27
28 reg: 28 reg:
29 maxItems: 1 29 maxItems: 1
30 30
31 clocks: 31 clocks:
32 maxItems: 1 32 maxItems: 1
33 33
34 dmas: 34 dmas:
35 items: 35 items:
36 - description: Receive DMA 36 - description: Receive DMA
37 - description: Transmit DMA 37 - description: Transmit DMA
38 38
39 dma-names: 39 dma-names:
40 items: 40 items:
41 - const: rx 41 - const: rx
42 - const: tx 42 - const: tx
43 43
44 ready-gpios: 44 ready-gpios:
45 description: | 45 description: |
46 GPIO used to signal a SPI master that th 46 GPIO used to signal a SPI master that the FIFO is filled and we're
47 ready to service a transfer. Only useful 47 ready to service a transfer. Only useful in slave mode.
48 maxItems: 1 48 maxItems: 1
49 49
50 required: 50 required:
51 - compatible 51 - compatible
52 - reg 52 - reg
53 - interrupts 53 - interrupts
54 - clocks 54 - clocks
55 55
56 dependencies: 56 dependencies:
57 ready-gpios: [ spi-slave ] 57 ready-gpios: [ spi-slave ]
58 58
59 allOf: 59 allOf:
60 - $ref: spi-controller.yaml# 60 - $ref: spi-controller.yaml#
61 - if: 61 - if:
62 properties: 62 properties:
63 compatible: 63 compatible:
64 contains: 64 contains:
65 const: marvell,mmp2-ssp 65 const: marvell,mmp2-ssp
66 then: 66 then:
67 properties: 67 properties:
68 dmas: false 68 dmas: false
69 dma-names: false 69 dma-names: false
70 70
71 unevaluatedProperties: false 71 unevaluatedProperties: false
72 72
73 examples: 73 examples:
74 - | 74 - |
75 #include <dt-bindings/clock/marvell,mmp2.h 75 #include <dt-bindings/clock/marvell,mmp2.h>
76 spi@d4035000 { 76 spi@d4035000 {
77 compatible = "marvell,mmp2-ssp"; 77 compatible = "marvell,mmp2-ssp";
78 #address-cells = <1>; 78 #address-cells = <1>;
79 #size-cells = <0>; 79 #size-cells = <0>;
80 reg = <0xd4035000 0x1000>; 80 reg = <0xd4035000 0x1000>;
81 clocks = <&soc_clocks MMP2_CLK_SSP0>; 81 clocks = <&soc_clocks MMP2_CLK_SSP0>;
82 interrupts = <0>; 82 interrupts = <0>;
83 }; 83 };
84 84
85 ... 85 ...
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