summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml
blob: d74cae9d4d6508d6469108fe0010df6a8e0a11fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/mediatek,mt7622-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: MediaTek MT7622 Pin Controller

maintainers:
  - Sean Wang <sean.wang@kernel.org>

description:
  The MediaTek's MT7622 Pin controller is used to control SoC pins.

properties:
  compatible:
    enum:
      - mediatek,mt7622-pinctrl
      - mediatek,mt7629-pinctrl

  reg:
    maxItems: 1

  reg-names:
    items:
      - const: eint

  gpio-controller: true

  "#gpio-cells":
    const: 2
    description:
      Number of cells in GPIO specifier. Since the generic GPIO binding is used,
      the amount of cells must be specified as 2. See the below mentioned gpio
      binding representation for description of particular cells.

  gpio-ranges:
    maxItems: 1

  interrupt-controller: true

  interrupts:
    maxItems: 1

  "#interrupt-cells":
    const: 2

allOf:
  - $ref: pinctrl.yaml#

required:
  - compatible
  - reg
  - gpio-controller
  - "#gpio-cells"

if:
  required:
    - interrupt-controller
then:
  required:
    - reg-names
    - interrupts
    - "#interrupt-cells"

patternProperties:
  '-pins(-[a-z]+)?$':
    type: object
    additionalProperties: false
    patternProperties:
      '^mux(-|$)':
        type: object
        additionalProperties: false
        description:
          pinmux configuration nodes.
        $ref: /schemas/pinctrl/pinmux-node.yaml
        properties:
          function:
            description:
              A string containing the name of the function to mux to the group.
            enum: [antsel, emmc, eth, i2c, i2s, ir, led, flash, pcie, pmic, pwm,
                   sd, spi, tdm, uart, watchdog, wifi]

          groups:
            description:
              An array of strings. Each string contains the name of a group.

          drive-strength:
            enum: [4, 8, 12, 16]

        required:
          - groups
          - function

        allOf:
          - if:
              properties:
                function:
                  const: antsel
            then:
              properties:
                groups:
                  items:
                    enum: [antsel0, antsel1, antsel2, antsel3, antsel4, antsel5,
                           antsel6, antsel7, antsel8, antsel9, antsel10,
                           antsel11, antsel12, antsel13, antsel14, antsel15,
                           antsel16, antsel17, antsel18, antsel19, antsel20,
                           antsel21, antsel22, antsel23, antsel24, antsel25,
                           antsel26, antsel27, antsel28, antsel29]
          - if:
              properties:
                function:
                  const: emmc
            then:
              properties:
                groups:
                  items:
                    enum: [emmc, emmc_rst]
          - if:
              properties:
                function:
                  const: eth
            then:
              properties:
                groups:
                  items:
                    enum: [esw, esw_p0_p1, esw_p2_p3_p4, rgmii_via_esw,
                           rgmii_via_gmac1, rgmii_via_gmac2, mdc_mdio]
          - if:
              properties:
                function:
                  const: i2c
            then:
              properties:
                groups:
                  enum: [i2c0, i2c_0, i2c_1, i2c1_0, i2c1_1, i2c1_2, i2c2_0,
                         i2c2_1, i2c2_2]
          - if:
              properties:
                function:
                  const: i2s
            then:
              properties:
                groups:
                  items:
                    enum: [i2s_in_mclk_bclk_ws, i2s1_in_data, i2s2_in_data,
                           i2s3_in_data, i2s4_in_data, i2s_out_mclk_bclk_ws,
                           i2s1_out_data, i2s2_out_data, i2s3_out_data,
                           i2s4_out_data]
          - if:
              properties:
                function:
                  const: ir
            then:
              properties:
                groups:
                  enum: [ir_0_tx, ir_1_tx, ir_2_tx, ir_0_rx, ir_1_rx, ir_2_rx]
          - if:
              properties:
                function:
                  const: led
            then:
              properties:
                groups:
                  enum: [ephy_leds, ephy0_led, ephy1_led, ephy2_led, ephy3_led,
                         ephy4_led, wled, wf2g_led, wf5g_led]
          - if:
              properties:
                function:
                  const: flash
            then:
              properties:
                groups:
                  enum: [par_nand, snfi, spi_nor]
          - if:
              properties:
                function:
                  const: pcie
            then:
              properties:
                groups:
                  items:
                    enum: [pcie0_0_waken, pcie0_1_waken, pcie1_0_waken,
                           pcie0_0_clkreq, pcie0_1_clkreq, pcie1_0_clkreq,
                           pcie0_pad_perst, pcie1_pad_perst, pcie_pereset,
                           pcie_wake, pcie_clkreq]
          - if:
              properties:
                function:
                  const: pmic
            then:
              properties:
                groups:
                  enum: [pmic_bus]
          - if:
              properties:
                function:
                  const: pwm
            then:
              properties:
                groups:
                  items:
                    enum: [pwm_ch1_0, pwm_ch1_1, pwm_ch1_2, pwm_ch2_0, pwm_ch2_1,
                           pwm_ch2_2, pwm_ch3_0, pwm_ch3_1, pwm_ch3_2, pwm_ch4_0,
                           pwm_ch4_1, pwm_ch4_2, pwm_ch4_3, pwm_ch5_0, pwm_ch5_1,
                           pwm_ch5_2, pwm_ch6_0, pwm_ch6_1, pwm_ch6_2, pwm_ch6_3,
                           pwm_ch7_0, pwm_0, pwm_1]
          - if:
              properties:
                function:
                  const: sd
            then:
              properties:
                groups:
                  enum: [sd_0, sd_1]
          - if:
              properties:
                function:
                  const: spi
            then:
              properties:
                groups:
                  enum: [spic0_0, spic0_1, spic1_0, spic1_1, spic2_0_wp_hold,
                         spic2_0, spi_0, spi_1, spi_wp, spi_hold]
          - if:
              properties:
                function:
                  const: tdm
            then:
              properties:
                groups:
                  enum: [tdm_0_out_mclk_bclk_ws, tdm_0_in_mclk_bclk_ws,
                         tdm_0_out_data, tdm_0_in_data, tdm_1_out_mclk_bclk_ws,
                         tdm_1_in_mclk_bclk_ws, tdm_1_out_data, tdm_1_in_data]
          - if:
              properties:
                function:
                  const: uart
            then:
              properties:
                groups:
                  enum: [uart0_0_tx_rx, uart1_0_tx_rx, uart1_0_rts_cts,
                         uart1_1_tx_rx, uart1_1_rts_cts, uart2_0_tx_rx,
                         uart2_0_rts_cts, uart2_1_tx_rx, uart2_1_rts_cts,
                         uart2_2_tx_rx, uart2_2_rts_cts, uart2_3_tx_rx,
                         uart3_0_tx_rx, uart3_1_tx_rx, uart3_1_rts_cts,
                         uart4_0_tx_rx, uart4_1_tx_rx, uart4_1_rts_cts,
                         uart4_2_tx_rx, uart4_2_rts_cts, uart0_txd_rxd,
                         uart1_0_txd_rxd, uart1_0_cts_rts, uart1_1_txd_rxd,
                         uart1_1_cts_rts, uart2_0_txd_rxd, uart2_0_cts_rts,
                         uart2_1_txd_rxd, uart2_1_cts_rts]
          - if:
              properties:
                function:
                  const: watchdog
            then:
              properties:
                groups:
                  enum: [watchdog]
          - if:
              properties:
                function:
                  const: wifi
            then:
              properties:
                groups:
                  enum: [wf0_2g, wf0_5g]

      '^conf(-|$)':
        type: object
        additionalProperties: false
        description:
          pinconf configuration nodes.
        $ref: /schemas/pinctrl/pincfg-node.yaml

        properties:
          groups:
            description:
              An array of strings. Each string contains the name of a group.
              Valid values are the same as the pinmux node.

          pins:
            description:
              An array of strings. Each string contains the name of a pin.
            items:
              enum: [GPIO_A, I2S1_IN, I2S1_OUT, I2S_BCLK, I2S_WS, I2S_MCLK, TXD0,
                     RXD0, SPI_WP, SPI_HOLD, SPI_CLK, SPI_MOSI, SPI_MISO, SPI_CS,
                     I2C_SDA, I2C_SCL, I2S2_IN, I2S3_IN, I2S4_IN, I2S2_OUT,
                     I2S3_OUT, I2S4_OUT, GPIO_B, MDC, MDIO, G2_TXD0, G2_TXD1,
                     G2_TXD2, G2_TXD3, G2_TXEN, G2_TXC, G2_RXD0, G2_RXD1, G2_RXD2,
                     G2_RXD3, G2_RXDV, G2_RXC, NCEB, NWEB, NREB, NDL4, NDL5, NDL6,
                     NDL7, NRB, NCLE, NALE, NDL0, NDL1, NDL2, NDL3, MDI_TP_P0,
                     MDI_TN_P0, MDI_RP_P0, MDI_RN_P0, MDI_TP_P1, MDI_TN_P1,
                     MDI_RP_P1, MDI_RN_P1, MDI_RP_P2, MDI_RN_P2, MDI_TP_P2,
                     MDI_TN_P2, MDI_TP_P3, MDI_TN_P3, MDI_RP_P3, MDI_RN_P3,
                     MDI_RP_P4, MDI_RN_P4, MDI_TP_P4, MDI_TN_P4, PMIC_SCL,
                     PMIC_SDA, SPIC1_CLK, SPIC1_MOSI, SPIC1_MISO, SPIC1_CS,
                     GPIO_D, WATCHDOG, RTS3_N, CTS3_N, TXD3, RXD3, PERST0_N,
                     PERST1_N, WLED_N, EPHY_LED0_N, AUXIN0, AUXIN1, AUXIN2,
                     AUXIN3, TXD4, RXD4, RTS4_N, CST4_N, PWM1, PWM2, PWM3, PWM4,
                     PWM5, PWM6, PWM7, GPIO_E, TOP_5G_CLK, TOP_5G_DATA,
                     WF0_5G_HB0, WF0_5G_HB1, WF0_5G_HB2, WF0_5G_HB3, WF0_5G_HB4,
                     WF0_5G_HB5, WF0_5G_HB6, XO_REQ, TOP_RST_N, SYS_WATCHDOG,
                     EPHY_LED0_N_JTDO, EPHY_LED1_N_JTDI, EPHY_LED2_N_JTMS,
                     EPHY_LED3_N_JTCLK, EPHY_LED4_N_JTRST_N, WF2G_LED_N,
                     WF5G_LED_N, GPIO_9, GPIO_10, GPIO_11, GPIO_12, UART1_TXD,
                     UART1_RXD, UART1_CTS, UART1_RTS, UART2_TXD, UART2_RXD,
                     UART2_CTS, UART2_RTS, SMI_MDC, SMI_MDIO, PCIE_PERESET_N,
                     PWM_0, GPIO_0, GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5,
                     GPIO_6, GPIO_7, GPIO_8, UART0_TXD, UART0_RXD, TOP_2G_CLK,
                     TOP_2G_DATA, WF0_2G_HB0, WF0_2G_HB1, WF0_2G_HB2, WF0_2G_HB3,
                     WF0_2G_HB4, WF0_2G_HB5, WF0_2G_HB6]

          bias-disable: true

          bias-pull-up: true

          bias-pull-down: true

          input-enable: true

          input-disable: true

          output-enable: true

          output-low: true

          output-high: true

          input-schmitt-enable: true

          input-schmitt-disable: true

          drive-strength:
            enum: [4, 8, 12, 16]

          slew-rate:
            enum: [0, 1]

          mediatek,tdsel:
            description:
              An integer describing the steps for output level shifter duty
              cycle when asserted (high pulse width adjustment). Valid arguments
              are from 0 to 15.
            $ref: /schemas/types.yaml#/definitions/uint32

          mediatek,rdsel:
            description:
              An integer describing the steps for input level shifter duty cycle
              when asserted (high pulse width adjustment). Valid arguments are
              from 0 to 63.
            $ref: /schemas/types.yaml#/definitions/uint32

        required:
          - pins

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    soc {
        #address-cells = <2>;
        #size-cells = <2>;

        pio: pinctrl@10211000 {
          compatible = "mediatek,mt7622-pinctrl";
          reg = <0 0x10211000 0 0x1000>;
          gpio-controller;
          #gpio-cells = <2>;

          pinctrl_eth_default: eth-pins {
            mux-mdio {
              groups = "mdc_mdio";
              function = "eth";
              drive-strength = <12>;
            };

            mux-gmac2 {
              groups = "rgmii_via_gmac2";
              function = "eth";
              drive-strength = <12>;
            };

            mux-esw {
              groups = "esw";
              function = "eth";
              drive-strength = <8>;
            };

            conf-mdio {
              pins = "MDC";
              bias-pull-up;
            };
          };
        };
    };