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