1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/sound/davin 4 $id: http://devicetree.org/schemas/sound/davinci-mcasp-audio.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: McASP Controller for TI SoCs 7 title: McASP Controller for TI SoCs
8 8
9 maintainers: 9 maintainers:
10 - Jayesh Choudhary <j-choudhary@ti.com> 10 - Jayesh Choudhary <j-choudhary@ti.com>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 enum: 14 enum:
15 - ti,dm646x-mcasp-audio 15 - ti,dm646x-mcasp-audio
16 - ti,da830-mcasp-audio 16 - ti,da830-mcasp-audio
17 - ti,am33xx-mcasp-audio 17 - ti,am33xx-mcasp-audio
18 - ti,dra7-mcasp-audio 18 - ti,dra7-mcasp-audio
19 - ti,omap4-mcasp-audio 19 - ti,omap4-mcasp-audio
20 20
21 reg: 21 reg:
22 minItems: 1 22 minItems: 1
23 items: 23 items:
24 - description: CFG registers 24 - description: CFG registers
25 - description: data registers 25 - description: data registers
26 26
27 reg-names: 27 reg-names:
28 minItems: 1 28 minItems: 1
29 items: 29 items:
30 - const: mpu 30 - const: mpu
31 - const: dat 31 - const: dat
32 32
33 op-mode: 33 op-mode:
34 $ref: /schemas/types.yaml#/definitions/uin 34 $ref: /schemas/types.yaml#/definitions/uint32
35 description: 0 - I2S or 1 - DIT operation 35 description: 0 - I2S or 1 - DIT operation mode
36 enum: 36 enum:
37 - 0 37 - 0
38 - 1 38 - 1
39 39
40 tdm-slots: 40 tdm-slots:
41 $ref: /schemas/types.yaml#/definitions/uin 41 $ref: /schemas/types.yaml#/definitions/uint32
42 description: 42 description:
43 number of channels over one serializer 43 number of channels over one serializer
44 the property is ignored in DIT mode 44 the property is ignored in DIT mode
45 minimum: 2 45 minimum: 2
46 maximum: 32 46 maximum: 32
47 47
48 serial-dir: 48 serial-dir:
49 description: 49 description:
50 A list of serializer configuration 50 A list of serializer configuration
51 Entry is indication for serializer pin d 51 Entry is indication for serializer pin direction
52 0 - Inactive, 1 - TX, 2 - RX 52 0 - Inactive, 1 - TX, 2 - RX
53 All AXR pins should be present in the ar 53 All AXR pins should be present in the array even if inactive
54 $ref: /schemas/types.yaml#/definitions/uin 54 $ref: /schemas/types.yaml#/definitions/uint32-array
55 minItems: 1 55 minItems: 1
56 maxItems: 25 56 maxItems: 25
57 items: 57 items:
58 minimum: 0 58 minimum: 0
59 maximum: 2 59 maximum: 2
60 60
61 dmas: 61 dmas:
62 minItems: 1 62 minItems: 1
63 items: 63 items:
64 - description: transmission DMA channel 64 - description: transmission DMA channel
65 - description: reception DMA channel 65 - description: reception DMA channel
66 66
67 dma-names: 67 dma-names:
68 minItems: 1 68 minItems: 1
69 items: 69 items:
70 - const: tx 70 - const: tx
71 - const: rx 71 - const: rx
72 72
73 ti,hwmods: 73 ti,hwmods:
74 $ref: /schemas/types.yaml#/definitions/str 74 $ref: /schemas/types.yaml#/definitions/string
75 description: Name of hwmod associated with 75 description: Name of hwmod associated with McASP
76 maxItems: 1 76 maxItems: 1
77 deprecated: true 77 deprecated: true
78 78
79 tx-num-evt: 79 tx-num-evt:
80 $ref: /schemas/types.yaml#/definitions/uin 80 $ref: /schemas/types.yaml#/definitions/uint32
81 description: 81 description:
82 configures WFIFO threshold 82 configures WFIFO threshold
83 0 disables the FIFO use 83 0 disables the FIFO use
84 if property is missing, then also FIFO u 84 if property is missing, then also FIFO use is disabled
85 85
86 rx-num-evt: 86 rx-num-evt:
87 $ref: /schemas/types.yaml#/definitions/uin 87 $ref: /schemas/types.yaml#/definitions/uint32
88 description: 88 description:
89 configures RFIFO threshold 89 configures RFIFO threshold
90 0 disables the FIFO use 90 0 disables the FIFO use
91 if property is missing, then also FIFO u 91 if property is missing, then also FIFO use is disabled
92 92
93 dismod: 93 dismod:
94 $ref: /schemas/types.yaml#/definitions/uin 94 $ref: /schemas/types.yaml#/definitions/uint32
95 description: 95 description:
96 specify the drive on TX pin during inact 96 specify the drive on TX pin during inactive time slots
97 0 - 3-state, 2 - logic low, 3 - logic hi 97 0 - 3-state, 2 - logic low, 3 - logic high
98 enum: 98 enum:
99 - 0 99 - 0
100 - 2 100 - 2
101 - 3 101 - 3
102 default: 2 102 default: 2
103 103
104 interrupts: 104 interrupts:
105 minItems: 1 105 minItems: 1
106 maxItems: 2 106 maxItems: 2
107 107
108 interrupt-names: 108 interrupt-names:
109 oneOf: 109 oneOf:
110 - description: TX interrupt 110 - description: TX interrupt
111 const: tx 111 const: tx
112 - description: RX interrupt 112 - description: RX interrupt
113 const: rx 113 const: rx
114 - description: TX and RX interrupts 114 - description: TX and RX interrupts
115 items: 115 items:
116 - const: tx 116 - const: tx
117 - const: rx 117 - const: rx
118 - description: Common/combined interrupt 118 - description: Common/combined interrupt
119 const: common 119 const: common
120 120
121 fck_parent: 121 fck_parent:
122 $ref: /schemas/types.yaml#/definitions/str 122 $ref: /schemas/types.yaml#/definitions/string
123 description: parent clock name for McASP f 123 description: parent clock name for McASP fck
124 maxItems: 1 124 maxItems: 1
125 125
126 auxclk-fs-ratio: 126 auxclk-fs-ratio:
127 $ref: /schemas/types.yaml#/definitions/uin 127 $ref: /schemas/types.yaml#/definitions/uint32
128 description: ratio of AUCLK and FS rate if 128 description: ratio of AUCLK and FS rate if applicable
129 129
130 gpio-controller: true 130 gpio-controller: true
131 131
132 "#gpio-cells": 132 "#gpio-cells":
133 const: 2 133 const: 2
134 134
135 clocks: 135 clocks:
136 minItems: 1 136 minItems: 1
137 items: 137 items:
138 - description: functional clock 138 - description: functional clock
139 - description: module specific optional 139 - description: module specific optional ahclkx clock
140 - description: module specific optional 140 - description: module specific optional ahclkr clock
141 141
142 clock-names: 142 clock-names:
143 minItems: 1 143 minItems: 1
144 items: 144 items:
145 - const: fck 145 - const: fck
146 - const: ahclkx 146 - const: ahclkx
147 - const: ahclkr 147 - const: ahclkr
148 148
149 power-domains: 149 power-domains:
150 description: phandle to the corresponding 150 description: phandle to the corresponding power-domain
151 maxItems: 1 151 maxItems: 1
152 152
153 "#sound-dai-cells": 153 "#sound-dai-cells":
154 const: 0 154 const: 0
155 155
156 port: 156 port:
157 description: connection for when McASP is 157 description: connection for when McASP is used via graph card
158 type: object 158 type: object
159 159
160 required: 160 required:
161 - compatible 161 - compatible
162 - reg 162 - reg
163 - reg-names 163 - reg-names
164 - dmas 164 - dmas
165 - dma-names 165 - dma-names
166 - interrupts 166 - interrupts
167 - interrupt-names 167 - interrupt-names
168 168
169 allOf: 169 allOf:
170 - $ref: dai-common.yaml# 170 - $ref: dai-common.yaml#
171 - if: 171 - if:
172 properties: 172 properties:
173 opmode: 173 opmode:
174 enum: 174 enum:
175 - 0 175 - 0
176 176
177 then: 177 then:
178 required: 178 required:
179 - tdm-slots 179 - tdm-slots
180 180
181 unevaluatedProperties: false 181 unevaluatedProperties: false
182 182
183 examples: 183 examples:
184 - | 184 - |
185 mcasp0: mcasp0@1d00000 { 185 mcasp0: mcasp0@1d00000 {
186 compatible = "ti,da830-mcasp-audio"; 186 compatible = "ti,da830-mcasp-audio";
187 reg = <0x100000 0x3000>; 187 reg = <0x100000 0x3000>;
188 reg-names = "mpu"; 188 reg-names = "mpu";
189 interrupts = <82>, <83>; 189 interrupts = <82>, <83>;
190 interrupt-names = "tx", "rx"; 190 interrupt-names = "tx", "rx";
191 op-mode = <0>; /* MCASP_IIS_M 191 op-mode = <0>; /* MCASP_IIS_MODE */
192 tdm-slots = <2>; 192 tdm-slots = <2>;
193 dmas = <&main_udmap 0xc400>, <&main_udma 193 dmas = <&main_udmap 0xc400>, <&main_udmap 0x4400>;
194 dma-names = "tx", "rx"; 194 dma-names = "tx", "rx";
195 serial-dir = < 195 serial-dir = <
196 0 0 0 0 /* 0: INACTIVE, 1: TX, 196 0 0 0 0 /* 0: INACTIVE, 1: TX, 2: RX */
197 0 0 0 0 197 0 0 0 0
198 0 0 0 1 198 0 0 0 1
199 2 0 0 0 >; 199 2 0 0 0 >;
200 tx-num-evt = <1>; 200 tx-num-evt = <1>;
201 rx-num-evt = <1>; 201 rx-num-evt = <1>;
202 }; 202 };
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