1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (C) 2013-2017 Broadcom
3
4 #include <linux/err.h>
5 #include <linux/init.h>
6 #include <linux/io.h>
7 #include <linux/of.h>
8 #include <linux/platform_device.h>
9 #include <linux/regmap.h>
10 #include <linux/seq_file.h>
11 #include <linux/slab.h>
12
13 #include <linux/pinctrl/pinconf-generic.h>
14 #include <linux/pinctrl/pinconf.h>
15 #include <linux/pinctrl/pinctrl.h>
16 #include <linux/pinctrl/pinmux.h>
17
18 #include "../core.h"
19 #include "../pinctrl-utils.h"
20
21 /* BCM281XX Pin Control Registers Definitions */
22
23 /* Function Select bits are the same for all pin control registers */
24 #define BCM281XX_PIN_REG_F_SEL_MASK 0x0700
25 #define BCM281XX_PIN_REG_F_SEL_SHIFT 8
26
27 /* Standard pin register */
28 #define BCM281XX_STD_PIN_REG_DRV_STR_MASK 0x0007
29 #define BCM281XX_STD_PIN_REG_DRV_STR_SHIFT 0
30 #define BCM281XX_STD_PIN_REG_INPUT_DIS_MASK 0x0008
31 #define BCM281XX_STD_PIN_REG_INPUT_DIS_SHIFT 3
32 #define BCM281XX_STD_PIN_REG_SLEW_MASK 0x0010
33 #define BCM281XX_STD_PIN_REG_SLEW_SHIFT 4
34 #define BCM281XX_STD_PIN_REG_PULL_UP_MASK 0x0020
35 #define BCM281XX_STD_PIN_REG_PULL_UP_SHIFT 5
36 #define BCM281XX_STD_PIN_REG_PULL_DN_MASK 0x0040
37 #define BCM281XX_STD_PIN_REG_PULL_DN_SHIFT 6
38 #define BCM281XX_STD_PIN_REG_HYST_MASK 0x0080
39 #define BCM281XX_STD_PIN_REG_HYST_SHIFT 7
40
41 /* I2C pin register */
42 #define BCM281XX_I2C_PIN_REG_INPUT_DIS_MASK 0x0004
43 #define BCM281XX_I2C_PIN_REG_INPUT_DIS_SHIFT 2
44 #define BCM281XX_I2C_PIN_REG_SLEW_MASK 0x0008
45 #define BCM281XX_I2C_PIN_REG_SLEW_SHIFT 3
46 #define BCM281XX_I2C_PIN_REG_PULL_UP_STR_MASK 0x0070
47 #define BCM281XX_I2C_PIN_REG_PULL_UP_STR_SHIFT 4
48
49 /* HDMI pin register */
50 #define BCM281XX_HDMI_PIN_REG_INPUT_DIS_MASK 0x0008
51 #define BCM281XX_HDMI_PIN_REG_INPUT_DIS_SHIFT 3
52 #define BCM281XX_HDMI_PIN_REG_MODE_MASK 0x0010
53 #define BCM281XX_HDMI_PIN_REG_MODE_SHIFT 4
54
55 /*
56 * bcm281xx_pin_type - types of pin register
57 */
58 enum bcm281xx_pin_type {
59 BCM281XX_PIN_TYPE_UNKNOWN = 0,
60 BCM281XX_PIN_TYPE_STD,
61 BCM281XX_PIN_TYPE_I2C,
62 BCM281XX_PIN_TYPE_HDMI,
63 };
64
65 static enum bcm281xx_pin_type std_pin = BCM281XX_PIN_TYPE_STD;
66 static enum bcm281xx_pin_type i2c_pin = BCM281XX_PIN_TYPE_I2C;
67 static enum bcm281xx_pin_type hdmi_pin = BCM281XX_PIN_TYPE_HDMI;
68
69 /*
70 * bcm281xx_pin_function- define pin function
71 */
72 struct bcm281xx_pin_function {
73 const char *name;
74 const char * const *groups;
75 const unsigned ngroups;
76 };
77
78 /*
79 * bcm281xx_pinctrl_data - Broadcom-specific pinctrl data
80 * @reg_base - base of pinctrl registers
81 */
82 struct bcm281xx_pinctrl_data {
83 void __iomem *reg_base;
84
85 /* List of all pins */
86 const struct pinctrl_pin_desc *pins;
87 const unsigned npins;
88
89 const struct bcm281xx_pin_function *functions;
90 const unsigned nfunctions;
91
92 struct regmap *regmap;
93 };
94
95 /*
96 * Pin number definition. The order here must be the same as defined in the
97 * PADCTRLREG block in the RDB.
98 */
99 #define BCM281XX_PIN_ADCSYNC 0
100 #define BCM281XX_PIN_BAT_RM 1
101 #define BCM281XX_PIN_BSC1_SCL 2
102 #define BCM281XX_PIN_BSC1_SDA 3
103 #define BCM281XX_PIN_BSC2_SCL 4
104 #define BCM281XX_PIN_BSC2_SDA 5
105 #define BCM281XX_PIN_CLASSGPWR 6
106 #define BCM281XX_PIN_CLK_CX8 7
107 #define BCM281XX_PIN_CLKOUT_0 8
108 #define BCM281XX_PIN_CLKOUT_1 9
109 #define BCM281XX_PIN_CLKOUT_2 10
110 #define BCM281XX_PIN_CLKOUT_3 11
111 #define BCM281XX_PIN_CLKREQ_IN_0 12
112 #define BCM281XX_PIN_CLKREQ_IN_1 13
113 #define BCM281XX_PIN_CWS_SYS_REQ1 14
114 #define BCM281XX_PIN_CWS_SYS_REQ2 15
115 #define BCM281XX_PIN_CWS_SYS_REQ3 16
116 #define BCM281XX_PIN_DIGMIC1_CLK 17
117 #define BCM281XX_PIN_DIGMIC1_DQ 18
118 #define BCM281XX_PIN_DIGMIC2_CLK 19
119 #define BCM281XX_PIN_DIGMIC2_DQ 20
120 #define BCM281XX_PIN_GPEN13 21
121 #define BCM281XX_PIN_GPEN14 22
122 #define BCM281XX_PIN_GPEN15 23
123 #define BCM281XX_PIN_GPIO00 24
124 #define BCM281XX_PIN_GPIO01 25
125 #define BCM281XX_PIN_GPIO02 26
126 #define BCM281XX_PIN_GPIO03 27
127 #define BCM281XX_PIN_GPIO04 28
128 #define BCM281XX_PIN_GPIO05 29
129 #define BCM281XX_PIN_GPIO06 30
130 #define BCM281XX_PIN_GPIO07 31
131 #define BCM281XX_PIN_GPIO08 32
132 #define BCM281XX_PIN_GPIO09 33
133 #define BCM281XX_PIN_GPIO10 34
134 #define BCM281XX_PIN_GPIO11 35
135 #define BCM281XX_PIN_GPIO12 36
136 #define BCM281XX_PIN_GPIO13 37
137 #define BCM281XX_PIN_GPIO14 38
138 #define BCM281XX_PIN_GPS_PABLANK 39
139 #define BCM281XX_PIN_GPS_TMARK 40
140 #define BCM281XX_PIN_HDMI_SCL 41
141 #define BCM281XX_PIN_HDMI_SDA 42
142 #define BCM281XX_PIN_IC_DM 43
143 #define BCM281XX_PIN_IC_DP 44
144 #define BCM281XX_PIN_KP_COL_IP_0 45
145 #define BCM281XX_PIN_KP_COL_IP_1 46
146 #define BCM281XX_PIN_KP_COL_IP_2 47
147 #define BCM281XX_PIN_KP_COL_IP_3 48
148 #define BCM281XX_PIN_KP_ROW_OP_0 49
149 #define BCM281XX_PIN_KP_ROW_OP_1 50
150 #define BCM281XX_PIN_KP_ROW_OP_2 51
151 #define BCM281XX_PIN_KP_ROW_OP_3 52
152 #define BCM281XX_PIN_LCD_B_0 53
153 #define BCM281XX_PIN_LCD_B_1 54
154 #define BCM281XX_PIN_LCD_B_2 55
155 #define BCM281XX_PIN_LCD_B_3 56
156 #define BCM281XX_PIN_LCD_B_4 57
157 #define BCM281XX_PIN_LCD_B_5 58
158 #define BCM281XX_PIN_LCD_B_6 59
159 #define BCM281XX_PIN_LCD_B_7 60
160 #define BCM281XX_PIN_LCD_G_0 61
161 #define BCM281XX_PIN_LCD_G_1 62
162 #define BCM281XX_PIN_LCD_G_2 63
163 #define BCM281XX_PIN_LCD_G_3 64
164 #define BCM281XX_PIN_LCD_G_4 65
165 #define BCM281XX_PIN_LCD_G_5 66
166 #define BCM281XX_PIN_LCD_G_6 67
167 #define BCM281XX_PIN_LCD_G_7 68
168 #define BCM281XX_PIN_LCD_HSYNC 69
169 #define BCM281XX_PIN_LCD_OE 70
170 #define BCM281XX_PIN_LCD_PCLK 71
171 #define BCM281XX_PIN_LCD_R_0 72
172 #define BCM281XX_PIN_LCD_R_1 73
173 #define BCM281XX_PIN_LCD_R_2 74
174 #define BCM281XX_PIN_LCD_R_3 75
175 #define BCM281XX_PIN_LCD_R_4 76
176 #define BCM281XX_PIN_LCD_R_5 77
177 #define BCM281XX_PIN_LCD_R_6 78
178 #define BCM281XX_PIN_LCD_R_7 79
179 #define BCM281XX_PIN_LCD_VSYNC 80
180 #define BCM281XX_PIN_MDMGPIO0 81
181 #define BCM281XX_PIN_MDMGPIO1 82
182 #define BCM281XX_PIN_MDMGPIO2 83
183 #define BCM281XX_PIN_MDMGPIO3 84
184 #define BCM281XX_PIN_MDMGPIO4 85
185 #define BCM281XX_PIN_MDMGPIO5 86
186 #define BCM281XX_PIN_MDMGPIO6 87
187 #define BCM281XX_PIN_MDMGPIO7 88
188 #define BCM281XX_PIN_MDMGPIO8 89
189 #define BCM281XX_PIN_MPHI_DATA_0 90
190 #define BCM281XX_PIN_MPHI_DATA_1 91
191 #define BCM281XX_PIN_MPHI_DATA_2 92
192 #define BCM281XX_PIN_MPHI_DATA_3 93
193 #define BCM281XX_PIN_MPHI_DATA_4 94
194 #define BCM281XX_PIN_MPHI_DATA_5 95
195 #define BCM281XX_PIN_MPHI_DATA_6 96
196 #define BCM281XX_PIN_MPHI_DATA_7 97
197 #define BCM281XX_PIN_MPHI_DATA_8 98
198 #define BCM281XX_PIN_MPHI_DATA_9 99
199 #define BCM281XX_PIN_MPHI_DATA_10 100
200 #define BCM281XX_PIN_MPHI_DATA_11 101
201 #define BCM281XX_PIN_MPHI_DATA_12 102
202 #define BCM281XX_PIN_MPHI_DATA_13 103
203 #define BCM281XX_PIN_MPHI_DATA_14 104
204 #define BCM281XX_PIN_MPHI_DATA_15 105
205 #define BCM281XX_PIN_MPHI_HA0 106
206 #define BCM281XX_PIN_MPHI_HAT0 107
207 #define BCM281XX_PIN_MPHI_HAT1 108
208 #define BCM281XX_PIN_MPHI_HCE0_N 109
209 #define BCM281XX_PIN_MPHI_HCE1_N 110
210 #define BCM281XX_PIN_MPHI_HRD_N 111
211 #define BCM281XX_PIN_MPHI_HWR_N 112
212 #define BCM281XX_PIN_MPHI_RUN0 113
213 #define BCM281XX_PIN_MPHI_RUN1 114
214 #define BCM281XX_PIN_MTX_SCAN_CLK 115
215 #define BCM281XX_PIN_MTX_SCAN_DATA 116
216 #define BCM281XX_PIN_NAND_AD_0 117
217 #define BCM281XX_PIN_NAND_AD_1 118
218 #define BCM281XX_PIN_NAND_AD_2 119
219 #define BCM281XX_PIN_NAND_AD_3 120
220 #define BCM281XX_PIN_NAND_AD_4 121
221 #define BCM281XX_PIN_NAND_AD_5 122
222 #define BCM281XX_PIN_NAND_AD_6 123
223 #define BCM281XX_PIN_NAND_AD_7 124
224 #define BCM281XX_PIN_NAND_ALE 125
225 #define BCM281XX_PIN_NAND_CEN_0 126
226 #define BCM281XX_PIN_NAND_CEN_1 127
227 #define BCM281XX_PIN_NAND_CLE 128
228 #define BCM281XX_PIN_NAND_OEN 129
229 #define BCM281XX_PIN_NAND_RDY_0 130
230 #define BCM281XX_PIN_NAND_RDY_1 131
231 #define BCM281XX_PIN_NAND_WEN 132
232 #define BCM281XX_PIN_NAND_WP 133
233 #define BCM281XX_PIN_PC1 134
234 #define BCM281XX_PIN_PC2 135
235 #define BCM281XX_PIN_PMU_INT 136
236 #define BCM281XX_PIN_PMU_SCL 137
237 #define BCM281XX_PIN_PMU_SDA 138
238 #define BCM281XX_PIN_RFST2G_MTSLOTEN3G 139
239 #define BCM281XX_PIN_RGMII_0_RX_CTL 140
240 #define BCM281XX_PIN_RGMII_0_RXC 141
241 #define BCM281XX_PIN_RGMII_0_RXD_0 142
242 #define BCM281XX_PIN_RGMII_0_RXD_1 143
243 #define BCM281XX_PIN_RGMII_0_RXD_2 144
244 #define BCM281XX_PIN_RGMII_0_RXD_3 145
245 #define BCM281XX_PIN_RGMII_0_TX_CTL 146
246 #define BCM281XX_PIN_RGMII_0_TXC 147
247 #define BCM281XX_PIN_RGMII_0_TXD_0 148
248 #define BCM281XX_PIN_RGMII_0_TXD_1 149
249 #define BCM281XX_PIN_RGMII_0_TXD_2 150
250 #define BCM281XX_PIN_RGMII_0_TXD_3 151
251 #define BCM281XX_PIN_RGMII_1_RX_CTL 152
252 #define BCM281XX_PIN_RGMII_1_RXC 153
253 #define BCM281XX_PIN_RGMII_1_RXD_0 154
254 #define BCM281XX_PIN_RGMII_1_RXD_1 155
255 #define BCM281XX_PIN_RGMII_1_RXD_2 156
256 #define BCM281XX_PIN_RGMII_1_RXD_3 157
257 #define BCM281XX_PIN_RGMII_1_TX_CTL 158
258 #define BCM281XX_PIN_RGMII_1_TXC 159
259 #define BCM281XX_PIN_RGMII_1_TXD_0 160
260 #define BCM281XX_PIN_RGMII_1_TXD_1 161
261 #define BCM281XX_PIN_RGMII_1_TXD_2 162
262 #define BCM281XX_PIN_RGMII_1_TXD_3 163
263 #define BCM281XX_PIN_RGMII_GPIO_0 164
264 #define BCM281XX_PIN_RGMII_GPIO_1 165
265 #define BCM281XX_PIN_RGMII_GPIO_2 166
266 #define BCM281XX_PIN_RGMII_GPIO_3 167
267 #define BCM281XX_PIN_RTXDATA2G_TXDATA3G1 168
268 #define BCM281XX_PIN_RTXEN2G_TXDATA3G2 169
269 #define BCM281XX_PIN_RXDATA3G0 170
270 #define BCM281XX_PIN_RXDATA3G1 171
271 #define BCM281XX_PIN_RXDATA3G2 172
272 #define BCM281XX_PIN_SDIO1_CLK 173
273 #define BCM281XX_PIN_SDIO1_CMD 174
274 #define BCM281XX_PIN_SDIO1_DATA_0 175
275 #define BCM281XX_PIN_SDIO1_DATA_1 176
276 #define BCM281XX_PIN_SDIO1_DATA_2 177
277 #define BCM281XX_PIN_SDIO1_DATA_3 178
278 #define BCM281XX_PIN_SDIO4_CLK 179
279 #define BCM281XX_PIN_SDIO4_CMD 180
280 #define BCM281XX_PIN_SDIO4_DATA_0 181
281 #define BCM281XX_PIN_SDIO4_DATA_1 182
282 #define BCM281XX_PIN_SDIO4_DATA_2 183
283 #define BCM281XX_PIN_SDIO4_DATA_3 184
284 #define BCM281XX_PIN_SIM_CLK 185
285 #define BCM281XX_PIN_SIM_DATA 186
286 #define BCM281XX_PIN_SIM_DET 187
287 #define BCM281XX_PIN_SIM_RESETN 188
288 #define BCM281XX_PIN_SIM2_CLK 189
289 #define BCM281XX_PIN_SIM2_DATA 190
290 #define BCM281XX_PIN_SIM2_DET 191
291 #define BCM281XX_PIN_SIM2_RESETN 192
292 #define BCM281XX_PIN_SRI_C 193
293 #define BCM281XX_PIN_SRI_D 194
294 #define BCM281XX_PIN_SRI_E 195
295 #define BCM281XX_PIN_SSP_EXTCLK 196
296 #define BCM281XX_PIN_SSP0_CLK 197
297 #define BCM281XX_PIN_SSP0_FS 198
298 #define BCM281XX_PIN_SSP0_RXD 199
299 #define BCM281XX_PIN_SSP0_TXD 200
300 #define BCM281XX_PIN_SSP2_CLK 201
301 #define BCM281XX_PIN_SSP2_FS_0 202
302 #define BCM281XX_PIN_SSP2_FS_1 203
303 #define BCM281XX_PIN_SSP2_FS_2 204
304 #define BCM281XX_PIN_SSP2_FS_3 205
305 #define BCM281XX_PIN_SSP2_RXD_0 206
306 #define BCM281XX_PIN_SSP2_RXD_1 207
307 #define BCM281XX_PIN_SSP2_TXD_0 208
308 #define BCM281XX_PIN_SSP2_TXD_1 209
309 #define BCM281XX_PIN_SSP3_CLK 210
310 #define BCM281XX_PIN_SSP3_FS 211
311 #define BCM281XX_PIN_SSP3_RXD 212
312 #define BCM281XX_PIN_SSP3_TXD 213
313 #define BCM281XX_PIN_SSP4_CLK 214
314 #define BCM281XX_PIN_SSP4_FS 215
315 #define BCM281XX_PIN_SSP4_RXD 216
316 #define BCM281XX_PIN_SSP4_TXD 217
317 #define BCM281XX_PIN_SSP5_CLK 218
318 #define BCM281XX_PIN_SSP5_FS 219
319 #define BCM281XX_PIN_SSP5_RXD 220
320 #define BCM281XX_PIN_SSP5_TXD 221
321 #define BCM281XX_PIN_SSP6_CLK 222
322 #define BCM281XX_PIN_SSP6_FS 223
323 #define BCM281XX_PIN_SSP6_RXD 224
324 #define BCM281XX_PIN_SSP6_TXD 225
325 #define BCM281XX_PIN_STAT_1 226
326 #define BCM281XX_PIN_STAT_2 227
327 #define BCM281XX_PIN_SYSCLKEN 228
328 #define BCM281XX_PIN_TRACECLK 229
329 #define BCM281XX_PIN_TRACEDT00 230
330 #define BCM281XX_PIN_TRACEDT01 231
331 #define BCM281XX_PIN_TRACEDT02 232
332 #define BCM281XX_PIN_TRACEDT03 233
333 #define BCM281XX_PIN_TRACEDT04 234
334 #define BCM281XX_PIN_TRACEDT05 235
335 #define BCM281XX_PIN_TRACEDT06 236
336 #define BCM281XX_PIN_TRACEDT07 237
337 #define BCM281XX_PIN_TRACEDT08 238
338 #define BCM281XX_PIN_TRACEDT09 239
339 #define BCM281XX_PIN_TRACEDT10 240
340 #define BCM281XX_PIN_TRACEDT11 241
341 #define BCM281XX_PIN_TRACEDT12 242
342 #define BCM281XX_PIN_TRACEDT13 243
343 #define BCM281XX_PIN_TRACEDT14 244
344 #define BCM281XX_PIN_TRACEDT15 245
345 #define BCM281XX_PIN_TXDATA3G0 246
346 #define BCM281XX_PIN_TXPWRIND 247
347 #define BCM281XX_PIN_UARTB1_UCTS 248
348 #define BCM281XX_PIN_UARTB1_URTS 249
349 #define BCM281XX_PIN_UARTB1_URXD 250
350 #define BCM281XX_PIN_UARTB1_UTXD 251
351 #define BCM281XX_PIN_UARTB2_URXD 252
352 #define BCM281XX_PIN_UARTB2_UTXD 253
353 #define BCM281XX_PIN_UARTB3_UCTS 254
354 #define BCM281XX_PIN_UARTB3_URTS 255
355 #define BCM281XX_PIN_UARTB3_URXD 256
356 #define BCM281XX_PIN_UARTB3_UTXD 257
357 #define BCM281XX_PIN_UARTB4_UCTS 258
358 #define BCM281XX_PIN_UARTB4_URTS 259
359 #define BCM281XX_PIN_UARTB4_URXD 260
360 #define BCM281XX_PIN_UARTB4_UTXD 261
361 #define BCM281XX_PIN_VC_CAM1_SCL 262
362 #define BCM281XX_PIN_VC_CAM1_SDA 263
363 #define BCM281XX_PIN_VC_CAM2_SCL 264
364 #define BCM281XX_PIN_VC_CAM2_SDA 265
365 #define BCM281XX_PIN_VC_CAM3_SCL 266
366 #define BCM281XX_PIN_VC_CAM3_SDA 267
367
368 #define BCM281XX_PIN_DESC(a, b, c) \
369 { .number = a, .name = b, .drv_data = &c##_pin }
370
371 /*
372 * Pin description definition. The order here must be the same as defined in
373 * the PADCTRLREG block in the RDB, since the pin number is used as an index
374 * into this array.
375 */
376 static const struct pinctrl_pin_desc bcm281xx_pinctrl_pins[] = {
377 BCM281XX_PIN_DESC(BCM281XX_PIN_ADCSYNC, "adcsync", std),
378 BCM281XX_PIN_DESC(BCM281XX_PIN_BAT_RM, "bat_rm", std),
379 BCM281XX_PIN_DESC(BCM281XX_PIN_BSC1_SCL, "bsc1_scl", i2c),
380 BCM281XX_PIN_DESC(BCM281XX_PIN_BSC1_SDA, "bsc1_sda", i2c),
381 BCM281XX_PIN_DESC(BCM281XX_PIN_BSC2_SCL, "bsc2_scl", i2c),
382 BCM281XX_PIN_DESC(BCM281XX_PIN_BSC2_SDA, "bsc2_sda", i2c),
383 BCM281XX_PIN_DESC(BCM281XX_PIN_CLASSGPWR, "classgpwr", std),
384 BCM281XX_PIN_DESC(BCM281XX_PIN_CLK_CX8, "clk_cx8", std),
385 BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_0, "clkout_0", std),
386 BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_1, "clkout_1", std),
387 BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_2, "clkout_2", std),
388 BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_3, "clkout_3", std),
389 BCM281XX_PIN_DESC(BCM281XX_PIN_CLKREQ_IN_0, "clkreq_in_0", std),
390 BCM281XX_PIN_DESC(BCM281XX_PIN_CLKREQ_IN_1, "clkreq_in_1", std),
391 BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ1, "cws_sys_req1", std),
392 BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ2, "cws_sys_req2", std),
393 BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ3, "cws_sys_req3", std),
394 BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC1_CLK, "digmic1_clk", std),
395 BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC1_DQ, "digmic1_dq", std),
396 BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC2_CLK, "digmic2_clk", std),
397 BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC2_DQ, "digmic2_dq", std),
398 BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN13, "gpen13", std),
399 BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN14, "gpen14", std),
400 BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN15, "gpen15", std),
401 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO00, "gpio00", std),
402 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO01, "gpio01", std),
403 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO02, "gpio02", std),
404 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO03, "gpio03", std),
405 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO04, "gpio04", std),
406 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO05, "gpio05", std),
407 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO06, "gpio06", std),
408 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO07, "gpio07", std),
409 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO08, "gpio08", std),
410 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO09, "gpio09", std),
411 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO10, "gpio10", std),
412 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO11, "gpio11", std),
413 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO12, "gpio12", std),
414 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO13, "gpio13", std),
415 BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO14, "gpio14", std),
416 BCM281XX_PIN_DESC(BCM281XX_PIN_GPS_PABLANK, "gps_pablank", std),
417 BCM281XX_PIN_DESC(BCM281XX_PIN_GPS_TMARK, "gps_tmark", std),
418 BCM281XX_PIN_DESC(BCM281XX_PIN_HDMI_SCL, "hdmi_scl", hdmi),
419 BCM281XX_PIN_DESC(BCM281XX_PIN_HDMI_SDA, "hdmi_sda", hdmi),
420 BCM281XX_PIN_DESC(BCM281XX_PIN_IC_DM, "ic_dm", std),
421 BCM281XX_PIN_DESC(BCM281XX_PIN_IC_DP, "ic_dp", std),
422 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_0, "kp_col_ip_0", std),
423 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_1, "kp_col_ip_1", std),
424 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_2, "kp_col_ip_2", std),
425 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_3, "kp_col_ip_3", std),
426 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_0, "kp_row_op_0", std),
427 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_1, "kp_row_op_1", std),
428 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_2, "kp_row_op_2", std),
429 BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_3, "kp_row_op_3", std),
430 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_0, "lcd_b_0", std),
431 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_1, "lcd_b_1", std),
432 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_2, "lcd_b_2", std),
433 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_3, "lcd_b_3", std),
434 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_4, "lcd_b_4", std),
435 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_5, "lcd_b_5", std),
436 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_6, "lcd_b_6", std),
437 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_7, "lcd_b_7", std),
438 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_0, "lcd_g_0", std),
439 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_1, "lcd_g_1", std),
440 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_2, "lcd_g_2", std),
441 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_3, "lcd_g_3", std),
442 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_4, "lcd_g_4", std),
443 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_5, "lcd_g_5", std),
444 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_6, "lcd_g_6", std),
445 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_7, "lcd_g_7", std),
446 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_HSYNC, "lcd_hsync", std),
447 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_OE, "lcd_oe", std),
448 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_PCLK, "lcd_pclk", std),
449 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_0, "lcd_r_0", std),
450 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_1, "lcd_r_1", std),
451 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_2, "lcd_r_2", std),
452 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_3, "lcd_r_3", std),
453 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_4, "lcd_r_4", std),
454 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_5, "lcd_r_5", std),
455 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_6, "lcd_r_6", std),
456 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_7, "lcd_r_7", std),
457 BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_VSYNC, "lcd_vsync", std),
458 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO0, "mdmgpio0", std),
459 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO1, "mdmgpio1", std),
460 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO2, "mdmgpio2", std),
461 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO3, "mdmgpio3", std),
462 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO4, "mdmgpio4", std),
463 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO5, "mdmgpio5", std),
464 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO6, "mdmgpio6", std),
465 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO7, "mdmgpio7", std),
466 BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO8, "mdmgpio8", std),
467 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_0, "mphi_data_0", std),
468 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_1, "mphi_data_1", std),
469 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_2, "mphi_data_2", std),
470 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_3, "mphi_data_3", std),
471 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_4, "mphi_data_4", std),
472 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_5, "mphi_data_5", std),
473 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_6, "mphi_data_6", std),
474 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_7, "mphi_data_7", std),
475 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_8, "mphi_data_8", std),
476 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_9, "mphi_data_9", std),
477 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_10, "mphi_data_10", std),
478 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_11, "mphi_data_11", std),
479 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_12, "mphi_data_12", std),
480 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_13, "mphi_data_13", std),
481 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_14, "mphi_data_14", std),
482 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_15, "mphi_data_15", std),
483 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HA0, "mphi_ha0", std),
484 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HAT0, "mphi_hat0", std),
485 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HAT1, "mphi_hat1", std),
486 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HCE0_N, "mphi_hce0_n", std),
487 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HCE1_N, "mphi_hce1_n", std),
488 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HRD_N, "mphi_hrd_n", std),
489 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HWR_N, "mphi_hwr_n", std),
490 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_RUN0, "mphi_run0", std),
491 BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_RUN1, "mphi_run1", std),
492 BCM281XX_PIN_DESC(BCM281XX_PIN_MTX_SCAN_CLK, "mtx_scan_clk", std),
493 BCM281XX_PIN_DESC(BCM281XX_PIN_MTX_SCAN_DATA, "mtx_scan_data", std),
494 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_0, "nand_ad_0", std),
495 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_1, "nand_ad_1", std),
496 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_2, "nand_ad_2", std),
497 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_3, "nand_ad_3", std),
498 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_4, "nand_ad_4", std),
499 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_5, "nand_ad_5", std),
500 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_6, "nand_ad_6", std),
501 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_7, "nand_ad_7", std),
502 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_ALE, "nand_ale", std),
503 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CEN_0, "nand_cen_0", std),
504 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CEN_1, "nand_cen_1", std),
505 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CLE, "nand_cle", std),
506 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_OEN, "nand_oen", std),
507 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_RDY_0, "nand_rdy_0", std),
508 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_RDY_1, "nand_rdy_1", std),
509 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_WEN, "nand_wen", std),
510 BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_WP, "nand_wp", std),
511 BCM281XX_PIN_DESC(BCM281XX_PIN_PC1, "pc1", std),
512 BCM281XX_PIN_DESC(BCM281XX_PIN_PC2, "pc2", std),
513 BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_INT, "pmu_int", std),
514 BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_SCL, "pmu_scl", i2c),
515 BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_SDA, "pmu_sda", i2c),
516 BCM281XX_PIN_DESC(BCM281XX_PIN_RFST2G_MTSLOTEN3G, "rfst2g_mtsloten3g",
517 std),
518 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RX_CTL, "rgmii_0_rx_ctl", std),
519 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXC, "rgmii_0_rxc", std),
520 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_0, "rgmii_0_rxd_0", std),
521 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_1, "rgmii_0_rxd_1", std),
522 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_2, "rgmii_0_rxd_2", std),
523 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_3, "rgmii_0_rxd_3", std),
524 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TX_CTL, "rgmii_0_tx_ctl", std),
525 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXC, "rgmii_0_txc", std),
526 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_0, "rgmii_0_txd_0", std),
527 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_1, "rgmii_0_txd_1", std),
528 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_2, "rgmii_0_txd_2", std),
529 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_3, "rgmii_0_txd_3", std),
530 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RX_CTL, "rgmii_1_rx_ctl", std),
531 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXC, "rgmii_1_rxc", std),
532 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_0, "rgmii_1_rxd_0", std),
533 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_1, "rgmii_1_rxd_1", std),
534 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_2, "rgmii_1_rxd_2", std),
535 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_3, "rgmii_1_rxd_3", std),
536 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TX_CTL, "rgmii_1_tx_ctl", std),
537 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXC, "rgmii_1_txc", std),
538 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_0, "rgmii_1_txd_0", std),
539 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_1, "rgmii_1_txd_1", std),
540 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_2, "rgmii_1_txd_2", std),
541 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_3, "rgmii_1_txd_3", std),
542 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_0, "rgmii_gpio_0", std),
543 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_1, "rgmii_gpio_1", std),
544 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_2, "rgmii_gpio_2", std),
545 BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_3, "rgmii_gpio_3", std),
546 BCM281XX_PIN_DESC(BCM281XX_PIN_RTXDATA2G_TXDATA3G1,
547 "rtxdata2g_txdata3g1", std),
548 BCM281XX_PIN_DESC(BCM281XX_PIN_RTXEN2G_TXDATA3G2, "rtxen2g_txdata3g2",
549 std),
550 BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G0, "rxdata3g0", std),
551 BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G1, "rxdata3g1", std),
552 BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G2, "rxdata3g2", std),
553 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_CLK, "sdio1_clk", std),
554 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_CMD, "sdio1_cmd", std),
555 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_0, "sdio1_data_0", std),
556 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_1, "sdio1_data_1", std),
557 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_2, "sdio1_data_2", std),
558 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_3, "sdio1_data_3", std),
559 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_CLK, "sdio4_clk", std),
560 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_CMD, "sdio4_cmd", std),
561 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_0, "sdio4_data_0", std),
562 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_1, "sdio4_data_1", std),
563 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_2, "sdio4_data_2", std),
564 BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_3, "sdio4_data_3", std),
565 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_CLK, "sim_clk", std),
566 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_DATA, "sim_data", std),
567 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_DET, "sim_det", std),
568 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_RESETN, "sim_resetn", std),
569 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_CLK, "sim2_clk", std),
570 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_DATA, "sim2_data", std),
571 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_DET, "sim2_det", std),
572 BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_RESETN, "sim2_resetn", std),
573 BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_C, "sri_c", std),
574 BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_D, "sri_d", std),
575 BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_E, "sri_e", std),
576 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP_EXTCLK, "ssp_extclk", std),
577 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_CLK, "ssp0_clk", std),
578 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_FS, "ssp0_fs", std),
579 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_RXD, "ssp0_rxd", std),
580 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_TXD, "ssp0_txd", std),
581 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_CLK, "ssp2_clk", std),
582 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_0, "ssp2_fs_0", std),
583 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_1, "ssp2_fs_1", std),
584 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_2, "ssp2_fs_2", std),
585 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_3, "ssp2_fs_3", std),
586 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_RXD_0, "ssp2_rxd_0", std),
587 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_RXD_1, "ssp2_rxd_1", std),
588 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_TXD_0, "ssp2_txd_0", std),
589 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_TXD_1, "ssp2_txd_1", std),
590 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_CLK, "ssp3_clk", std),
591 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_FS, "ssp3_fs", std),
592 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_RXD, "ssp3_rxd", std),
593 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_TXD, "ssp3_txd", std),
594 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_CLK, "ssp4_clk", std),
595 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_FS, "ssp4_fs", std),
596 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_RXD, "ssp4_rxd", std),
597 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_TXD, "ssp4_txd", std),
598 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_CLK, "ssp5_clk", std),
599 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_FS, "ssp5_fs", std),
600 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_RXD, "ssp5_rxd", std),
601 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_TXD, "ssp5_txd", std),
602 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_CLK, "ssp6_clk", std),
603 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_FS, "ssp6_fs", std),
604 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_RXD, "ssp6_rxd", std),
605 BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_TXD, "ssp6_txd", std),
606 BCM281XX_PIN_DESC(BCM281XX_PIN_STAT_1, "stat_1", std),
607 BCM281XX_PIN_DESC(BCM281XX_PIN_STAT_2, "stat_2", std),
608 BCM281XX_PIN_DESC(BCM281XX_PIN_SYSCLKEN, "sysclken", std),
609 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACECLK, "traceclk", std),
610 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT00, "tracedt00", std),
611 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT01, "tracedt01", std),
612 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT02, "tracedt02", std),
613 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT03, "tracedt03", std),
614 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT04, "tracedt04", std),
615 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT05, "tracedt05", std),
616 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT06, "tracedt06", std),
617 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT07, "tracedt07", std),
618 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT08, "tracedt08", std),
619 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT09, "tracedt09", std),
620 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT10, "tracedt10", std),
621 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT11, "tracedt11", std),
622 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT12, "tracedt12", std),
623 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT13, "tracedt13", std),
624 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT14, "tracedt14", std),
625 BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT15, "tracedt15", std),
626 BCM281XX_PIN_DESC(BCM281XX_PIN_TXDATA3G0, "txdata3g0", std),
627 BCM281XX_PIN_DESC(BCM281XX_PIN_TXPWRIND, "txpwrind", std),
628 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_UCTS, "uartb1_ucts", std),
629 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_URTS, "uartb1_urts", std),
630 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_URXD, "uartb1_urxd", std),
631 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_UTXD, "uartb1_utxd", std),
632 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB2_URXD, "uartb2_urxd", std),
633 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB2_UTXD, "uartb2_utxd", std),
634 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_UCTS, "uartb3_ucts", std),
635 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_URTS, "uartb3_urts", std),
636 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_URXD, "uartb3_urxd", std),
637 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_UTXD, "uartb3_utxd", std),
638 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_UCTS, "uartb4_ucts", std),
639 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_URTS, "uartb4_urts", std),
640 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_URXD, "uartb4_urxd", std),
641 BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_UTXD, "uartb4_utxd", std),
642 BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM1_SCL, "vc_cam1_scl", i2c),
643 BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM1_SDA, "vc_cam1_sda", i2c),
644 BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM2_SCL, "vc_cam2_scl", i2c),
645 BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM2_SDA, "vc_cam2_sda", i2c),
646 BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM3_SCL, "vc_cam3_scl", i2c),
647 BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM3_SDA, "vc_cam3_sda", i2c),
648 };
649
650 static const char * const bcm281xx_alt_groups[] = {
651 "adcsync",
652 "bat_rm",
653 "bsc1_scl",
654 "bsc1_sda",
655 "bsc2_scl",
656 "bsc2_sda",
657 "classgpwr",
658 "clk_cx8",
659 "clkout_0",
660 "clkout_1",
661 "clkout_2",
662 "clkout_3",
663 "clkreq_in_0",
664 "clkreq_in_1",
665 "cws_sys_req1",
666 "cws_sys_req2",
667 "cws_sys_req3",
668 "digmic1_clk",
669 "digmic1_dq",
670 "digmic2_clk",
671 "digmic2_dq",
672 "gpen13",
673 "gpen14",
674 "gpen15",
675 "gpio00",
676 "gpio01",
677 "gpio02",
678 "gpio03",
679 "gpio04",
680 "gpio05",
681 "gpio06",
682 "gpio07",
683 "gpio08",
684 "gpio09",
685 "gpio10",
686 "gpio11",
687 "gpio12",
688 "gpio13",
689 "gpio14",
690 "gps_pablank",
691 "gps_tmark",
692 "hdmi_scl",
693 "hdmi_sda",
694 "ic_dm",
695 "ic_dp",
696 "kp_col_ip_0",
697 "kp_col_ip_1",
698 "kp_col_ip_2",
699 "kp_col_ip_3",
700 "kp_row_op_0",
701 "kp_row_op_1",
702 "kp_row_op_2",
703 "kp_row_op_3",
704 "lcd_b_0",
705 "lcd_b_1",
706 "lcd_b_2",
707 "lcd_b_3",
708 "lcd_b_4",
709 "lcd_b_5",
710 "lcd_b_6",
711 "lcd_b_7",
712 "lcd_g_0",
713 "lcd_g_1",
714 "lcd_g_2",
715 "lcd_g_3",
716 "lcd_g_4",
717 "lcd_g_5",
718 "lcd_g_6",
719 "lcd_g_7",
720 "lcd_hsync",
721 "lcd_oe",
722 "lcd_pclk",
723 "lcd_r_0",
724 "lcd_r_1",
725 "lcd_r_2",
726 "lcd_r_3",
727 "lcd_r_4",
728 "lcd_r_5",
729 "lcd_r_6",
730 "lcd_r_7",
731 "lcd_vsync",
732 "mdmgpio0",
733 "mdmgpio1",
734 "mdmgpio2",
735 "mdmgpio3",
736 "mdmgpio4",
737 "mdmgpio5",
738 "mdmgpio6",
739 "mdmgpio7",
740 "mdmgpio8",
741 "mphi_data_0",
742 "mphi_data_1",
743 "mphi_data_2",
744 "mphi_data_3",
745 "mphi_data_4",
746 "mphi_data_5",
747 "mphi_data_6",
748 "mphi_data_7",
749 "mphi_data_8",
750 "mphi_data_9",
751 "mphi_data_10",
752 "mphi_data_11",
753 "mphi_data_12",
754 "mphi_data_13",
755 "mphi_data_14",
756 "mphi_data_15",
757 "mphi_ha0",
758 "mphi_hat0",
759 "mphi_hat1",
760 "mphi_hce0_n",
761 "mphi_hce1_n",
762 "mphi_hrd_n",
763 "mphi_hwr_n",
764 "mphi_run0",
765 "mphi_run1",
766 "mtx_scan_clk",
767 "mtx_scan_data",
768 "nand_ad_0",
769 "nand_ad_1",
770 "nand_ad_2",
771 "nand_ad_3",
772 "nand_ad_4",
773 "nand_ad_5",
774 "nand_ad_6",
775 "nand_ad_7",
776 "nand_ale",
777 "nand_cen_0",
778 "nand_cen_1",
779 "nand_cle",
780 "nand_oen",
781 "nand_rdy_0",
782 "nand_rdy_1",
783 "nand_wen",
784 "nand_wp",
785 "pc1",
786 "pc2",
787 "pmu_int",
788 "pmu_scl",
789 "pmu_sda",
790 "rfst2g_mtsloten3g",
791 "rgmii_0_rx_ctl",
792 "rgmii_0_rxc",
793 "rgmii_0_rxd_0",
794 "rgmii_0_rxd_1",
795 "rgmii_0_rxd_2",
796 "rgmii_0_rxd_3",
797 "rgmii_0_tx_ctl",
798 "rgmii_0_txc",
799 "rgmii_0_txd_0",
800 "rgmii_0_txd_1",
801 "rgmii_0_txd_2",
802 "rgmii_0_txd_3",
803 "rgmii_1_rx_ctl",
804 "rgmii_1_rxc",
805 "rgmii_1_rxd_0",
806 "rgmii_1_rxd_1",
807 "rgmii_1_rxd_2",
808 "rgmii_1_rxd_3",
809 "rgmii_1_tx_ctl",
810 "rgmii_1_txc",
811 "rgmii_1_txd_0",
812 "rgmii_1_txd_1",
813 "rgmii_1_txd_2",
814 "rgmii_1_txd_3",
815 "rgmii_gpio_0",
816 "rgmii_gpio_1",
817 "rgmii_gpio_2",
818 "rgmii_gpio_3",
819 "rtxdata2g_txdata3g1",
820 "rtxen2g_txdata3g2",
821 "rxdata3g0",
822 "rxdata3g1",
823 "rxdata3g2",
824 "sdio1_clk",
825 "sdio1_cmd",
826 "sdio1_data_0",
827 "sdio1_data_1",
828 "sdio1_data_2",
829 "sdio1_data_3",
830 "sdio4_clk",
831 "sdio4_cmd",
832 "sdio4_data_0",
833 "sdio4_data_1",
834 "sdio4_data_2",
835 "sdio4_data_3",
836 "sim_clk",
837 "sim_data",
838 "sim_det",
839 "sim_resetn",
840 "sim2_clk",
841 "sim2_data",
842 "sim2_det",
843 "sim2_resetn",
844 "sri_c",
845 "sri_d",
846 "sri_e",
847 "ssp_extclk",
848 "ssp0_clk",
849 "ssp0_fs",
850 "ssp0_rxd",
851 "ssp0_txd",
852 "ssp2_clk",
853 "ssp2_fs_0",
854 "ssp2_fs_1",
855 "ssp2_fs_2",
856 "ssp2_fs_3",
857 "ssp2_rxd_0",
858 "ssp2_rxd_1",
859 "ssp2_txd_0",
860 "ssp2_txd_1",
861 "ssp3_clk",
862 "ssp3_fs",
863 "ssp3_rxd",
864 "ssp3_txd",
865 "ssp4_clk",
866 "ssp4_fs",
867 "ssp4_rxd",
868 "ssp4_txd",
869 "ssp5_clk",
870 "ssp5_fs",
871 "ssp5_rxd",
872 "ssp5_txd",
873 "ssp6_clk",
874 "ssp6_fs",
875 "ssp6_rxd",
876 "ssp6_txd",
877 "stat_1",
878 "stat_2",
879 "sysclken",
880 "traceclk",
881 "tracedt00",
882 "tracedt01",
883 "tracedt02",
884 "tracedt03",
885 "tracedt04",
886 "tracedt05",
887 "tracedt06",
888 "tracedt07",
889 "tracedt08",
890 "tracedt09",
891 "tracedt10",
892 "tracedt11",
893 "tracedt12",
894 "tracedt13",
895 "tracedt14",
896 "tracedt15",
897 "txdata3g0",
898 "txpwrind",
899 "uartb1_ucts",
900 "uartb1_urts",
901 "uartb1_urxd",
902 "uartb1_utxd",
903 "uartb2_urxd",
904 "uartb2_utxd",
905 "uartb3_ucts",
906 "uartb3_urts",
907 "uartb3_urxd",
908 "uartb3_utxd",
909 "uartb4_ucts",
910 "uartb4_urts",
911 "uartb4_urxd",
912 "uartb4_utxd",
913 "vc_cam1_scl",
914 "vc_cam1_sda",
915 "vc_cam2_scl",
916 "vc_cam2_sda",
917 "vc_cam3_scl",
918 "vc_cam3_sda",
919 };
920
921 /* Every pin can implement all ALT1-ALT4 functions */
922 #define BCM281XX_PIN_FUNCTION(fcn_name) \
923 { \
924 .name = #fcn_name, \
925 .groups = bcm281xx_alt_groups, \
926 .ngroups = ARRAY_SIZE(bcm281xx_alt_groups), \
927 }
928
929 static const struct bcm281xx_pin_function bcm281xx_functions[] = {
930 BCM281XX_PIN_FUNCTION(alt1),
931 BCM281XX_PIN_FUNCTION(alt2),
932 BCM281XX_PIN_FUNCTION(alt3),
933 BCM281XX_PIN_FUNCTION(alt4),
934 };
935
936 static struct bcm281xx_pinctrl_data bcm281xx_pinctrl = {
937 .pins = bcm281xx_pinctrl_pins,
938 .npins = ARRAY_SIZE(bcm281xx_pinctrl_pins),
939 .functions = bcm281xx_functions,
940 .nfunctions = ARRAY_SIZE(bcm281xx_functions),
941 };
942
pin_type_get(struct pinctrl_dev * pctldev,unsigned pin)943 static inline enum bcm281xx_pin_type pin_type_get(struct pinctrl_dev *pctldev,
944 unsigned pin)
945 {
946 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
947
948 if (pin >= pdata->npins)
949 return BCM281XX_PIN_TYPE_UNKNOWN;
950
951 return *(enum bcm281xx_pin_type *)(pdata->pins[pin].drv_data);
952 }
953
954 #define BCM281XX_PIN_SHIFT(type, param) \
955 (BCM281XX_ ## type ## _PIN_REG_ ## param ## _SHIFT)
956
957 #define BCM281XX_PIN_MASK(type, param) \
958 (BCM281XX_ ## type ## _PIN_REG_ ## param ## _MASK)
959
960 /*
961 * This helper function is used to build up the value and mask used to write to
962 * a pin register, but does not actually write to the register.
963 */
bcm281xx_pin_update(u32 * reg_val,u32 * reg_mask,u32 param_val,u32 param_shift,u32 param_mask)964 static inline void bcm281xx_pin_update(u32 *reg_val, u32 *reg_mask,
965 u32 param_val, u32 param_shift,
966 u32 param_mask)
967 {
968 *reg_val &= ~param_mask;
969 *reg_val |= (param_val << param_shift) & param_mask;
970 *reg_mask |= param_mask;
971 }
972
973 static const struct regmap_config bcm281xx_pinctrl_regmap_config = {
974 .reg_bits = 32,
975 .reg_stride = 4,
976 .val_bits = 32,
977 .max_register = BCM281XX_PIN_VC_CAM3_SDA,
978 };
979
bcm281xx_pinctrl_get_groups_count(struct pinctrl_dev * pctldev)980 static int bcm281xx_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
981 {
982 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
983
984 return pdata->npins;
985 }
986
bcm281xx_pinctrl_get_group_name(struct pinctrl_dev * pctldev,unsigned group)987 static const char *bcm281xx_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
988 unsigned group)
989 {
990 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
991
992 return pdata->pins[group].name;
993 }
994
bcm281xx_pinctrl_get_group_pins(struct pinctrl_dev * pctldev,unsigned group,const unsigned ** pins,unsigned * num_pins)995 static int bcm281xx_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
996 unsigned group,
997 const unsigned **pins,
998 unsigned *num_pins)
999 {
1000 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1001
1002 *pins = &pdata->pins[group].number;
1003 *num_pins = 1;
1004
1005 return 0;
1006 }
1007
bcm281xx_pinctrl_pin_dbg_show(struct pinctrl_dev * pctldev,struct seq_file * s,unsigned offset)1008 static void bcm281xx_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev,
1009 struct seq_file *s,
1010 unsigned offset)
1011 {
1012 seq_printf(s, " %s", dev_name(pctldev->dev));
1013 }
1014
1015 static const struct pinctrl_ops bcm281xx_pinctrl_ops = {
1016 .get_groups_count = bcm281xx_pinctrl_get_groups_count,
1017 .get_group_name = bcm281xx_pinctrl_get_group_name,
1018 .get_group_pins = bcm281xx_pinctrl_get_group_pins,
1019 .pin_dbg_show = bcm281xx_pinctrl_pin_dbg_show,
1020 .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
1021 .dt_free_map = pinctrl_utils_free_map,
1022 };
1023
bcm281xx_pinctrl_get_fcns_count(struct pinctrl_dev * pctldev)1024 static int bcm281xx_pinctrl_get_fcns_count(struct pinctrl_dev *pctldev)
1025 {
1026 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1027
1028 return pdata->nfunctions;
1029 }
1030
bcm281xx_pinctrl_get_fcn_name(struct pinctrl_dev * pctldev,unsigned function)1031 static const char *bcm281xx_pinctrl_get_fcn_name(struct pinctrl_dev *pctldev,
1032 unsigned function)
1033 {
1034 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1035
1036 return pdata->functions[function].name;
1037 }
1038
bcm281xx_pinctrl_get_fcn_groups(struct pinctrl_dev * pctldev,unsigned function,const char * const ** groups,unsigned * const num_groups)1039 static int bcm281xx_pinctrl_get_fcn_groups(struct pinctrl_dev *pctldev,
1040 unsigned function,
1041 const char * const **groups,
1042 unsigned * const num_groups)
1043 {
1044 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1045
1046 *groups = pdata->functions[function].groups;
1047 *num_groups = pdata->functions[function].ngroups;
1048
1049 return 0;
1050 }
1051
bcm281xx_pinmux_set(struct pinctrl_dev * pctldev,unsigned function,unsigned group)1052 static int bcm281xx_pinmux_set(struct pinctrl_dev *pctldev,
1053 unsigned function,
1054 unsigned group)
1055 {
1056 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1057 const struct bcm281xx_pin_function *f = &pdata->functions[function];
1058 u32 offset = 4 * pdata->pins[group].number;
1059 int rc = 0;
1060
1061 dev_dbg(pctldev->dev,
1062 "%s(): Enable function %s (%d) of pin %s (%d) @offset 0x%x.\n",
1063 __func__, f->name, function, pdata->pins[group].name,
1064 pdata->pins[group].number, offset);
1065
1066 rc = regmap_update_bits(pdata->regmap, offset,
1067 BCM281XX_PIN_REG_F_SEL_MASK,
1068 function << BCM281XX_PIN_REG_F_SEL_SHIFT);
1069 if (rc)
1070 dev_err(pctldev->dev,
1071 "Error updating register for pin %s (%d).\n",
1072 pdata->pins[group].name, pdata->pins[group].number);
1073
1074 return rc;
1075 }
1076
1077 static const struct pinmux_ops bcm281xx_pinctrl_pinmux_ops = {
1078 .get_functions_count = bcm281xx_pinctrl_get_fcns_count,
1079 .get_function_name = bcm281xx_pinctrl_get_fcn_name,
1080 .get_function_groups = bcm281xx_pinctrl_get_fcn_groups,
1081 .set_mux = bcm281xx_pinmux_set,
1082 };
1083
bcm281xx_pinctrl_pin_config_get(struct pinctrl_dev * pctldev,unsigned pin,unsigned long * config)1084 static int bcm281xx_pinctrl_pin_config_get(struct pinctrl_dev *pctldev,
1085 unsigned pin,
1086 unsigned long *config)
1087 {
1088 return -ENOTSUPP;
1089 }
1090
1091
1092 /* Goes through the configs and update register val/mask */
bcm281xx_std_pin_update(struct pinctrl_dev * pctldev,unsigned pin,unsigned long * configs,unsigned num_configs,u32 * val,u32 * mask)1093 static int bcm281xx_std_pin_update(struct pinctrl_dev *pctldev,
1094 unsigned pin,
1095 unsigned long *configs,
1096 unsigned num_configs,
1097 u32 *val,
1098 u32 *mask)
1099 {
1100 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1101 int i;
1102 enum pin_config_param param;
1103 u32 arg;
1104
1105 for (i = 0; i < num_configs; i++) {
1106 param = pinconf_to_config_param(configs[i]);
1107 arg = pinconf_to_config_argument(configs[i]);
1108
1109 switch (param) {
1110 case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
1111 arg = (arg >= 1 ? 1 : 0);
1112 bcm281xx_pin_update(val, mask, arg,
1113 BCM281XX_PIN_SHIFT(STD, HYST),
1114 BCM281XX_PIN_MASK(STD, HYST));
1115 break;
1116 /*
1117 * The pin bias can only be one of pull-up, pull-down, or
1118 * disable. The user does not need to specify a value for the
1119 * property, and the default value from pinconf-generic is
1120 * ignored.
1121 */
1122 case PIN_CONFIG_BIAS_DISABLE:
1123 bcm281xx_pin_update(val, mask, 0,
1124 BCM281XX_PIN_SHIFT(STD, PULL_UP),
1125 BCM281XX_PIN_MASK(STD, PULL_UP));
1126 bcm281xx_pin_update(val, mask, 0,
1127 BCM281XX_PIN_SHIFT(STD, PULL_DN),
1128 BCM281XX_PIN_MASK(STD, PULL_DN));
1129 break;
1130
1131 case PIN_CONFIG_BIAS_PULL_UP:
1132 bcm281xx_pin_update(val, mask, 1,
1133 BCM281XX_PIN_SHIFT(STD, PULL_UP),
1134 BCM281XX_PIN_MASK(STD, PULL_UP));
1135 bcm281xx_pin_update(val, mask, 0,
1136 BCM281XX_PIN_SHIFT(STD, PULL_DN),
1137 BCM281XX_PIN_MASK(STD, PULL_DN));
1138 break;
1139
1140 case PIN_CONFIG_BIAS_PULL_DOWN:
1141 bcm281xx_pin_update(val, mask, 0,
1142 BCM281XX_PIN_SHIFT(STD, PULL_UP),
1143 BCM281XX_PIN_MASK(STD, PULL_UP));
1144 bcm281xx_pin_update(val, mask, 1,
1145 BCM281XX_PIN_SHIFT(STD, PULL_DN),
1146 BCM281XX_PIN_MASK(STD, PULL_DN));
1147 break;
1148
1149 case PIN_CONFIG_SLEW_RATE:
1150 arg = (arg >= 1 ? 1 : 0);
1151 bcm281xx_pin_update(val, mask, arg,
1152 BCM281XX_PIN_SHIFT(STD, SLEW),
1153 BCM281XX_PIN_MASK(STD, SLEW));
1154 break;
1155
1156 case PIN_CONFIG_INPUT_ENABLE:
1157 /* inversed since register is for input _disable_ */
1158 arg = (arg >= 1 ? 0 : 1);
1159 bcm281xx_pin_update(val, mask, arg,
1160 BCM281XX_PIN_SHIFT(STD, INPUT_DIS),
1161 BCM281XX_PIN_MASK(STD, INPUT_DIS));
1162 break;
1163
1164 case PIN_CONFIG_DRIVE_STRENGTH:
1165 /* Valid range is 2-16 mA, even numbers only */
1166 if ((arg < 2) || (arg > 16) || (arg % 2)) {
1167 dev_err(pctldev->dev,
1168 "Invalid Drive Strength value (%d) for "
1169 "pin %s (%d). Valid values are "
1170 "(2..16) mA, even numbers only.\n",
1171 arg, pdata->pins[pin].name, pin);
1172 return -EINVAL;
1173 }
1174 bcm281xx_pin_update(val, mask, (arg/2)-1,
1175 BCM281XX_PIN_SHIFT(STD, DRV_STR),
1176 BCM281XX_PIN_MASK(STD, DRV_STR));
1177 break;
1178
1179 default:
1180 dev_err(pctldev->dev,
1181 "Unrecognized pin config %d for pin %s (%d).\n",
1182 param, pdata->pins[pin].name, pin);
1183 return -EINVAL;
1184
1185 } /* switch config */
1186 } /* for each config */
1187
1188 return 0;
1189 }
1190
1191 /*
1192 * The pull-up strength for an I2C pin is represented by bits 4-6 in the
1193 * register with the following mapping:
1194 * 0b000: No pull-up
1195 * 0b001: 1200 Ohm
1196 * 0b010: 1800 Ohm
1197 * 0b011: 720 Ohm
1198 * 0b100: 2700 Ohm
1199 * 0b101: 831 Ohm
1200 * 0b110: 1080 Ohm
1201 * 0b111: 568 Ohm
1202 * This array maps pull-up strength in Ohms to register values (1+index).
1203 */
1204 static const u16 bcm281xx_pullup_map[] = {
1205 1200, 1800, 720, 2700, 831, 1080, 568
1206 };
1207
1208 /* Goes through the configs and update register val/mask */
bcm281xx_i2c_pin_update(struct pinctrl_dev * pctldev,unsigned pin,unsigned long * configs,unsigned num_configs,u32 * val,u32 * mask)1209 static int bcm281xx_i2c_pin_update(struct pinctrl_dev *pctldev,
1210 unsigned pin,
1211 unsigned long *configs,
1212 unsigned num_configs,
1213 u32 *val,
1214 u32 *mask)
1215 {
1216 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1217 int i, j;
1218 enum pin_config_param param;
1219 u32 arg;
1220
1221 for (i = 0; i < num_configs; i++) {
1222 param = pinconf_to_config_param(configs[i]);
1223 arg = pinconf_to_config_argument(configs[i]);
1224
1225 switch (param) {
1226 case PIN_CONFIG_BIAS_PULL_UP:
1227 for (j = 0; j < ARRAY_SIZE(bcm281xx_pullup_map); j++)
1228 if (bcm281xx_pullup_map[j] == arg)
1229 break;
1230
1231 if (j == ARRAY_SIZE(bcm281xx_pullup_map)) {
1232 dev_err(pctldev->dev,
1233 "Invalid pull-up value (%d) for pin %s "
1234 "(%d). Valid values are 568, 720, 831, "
1235 "1080, 1200, 1800, 2700 Ohms.\n",
1236 arg, pdata->pins[pin].name, pin);
1237 return -EINVAL;
1238 }
1239
1240 bcm281xx_pin_update(val, mask, j+1,
1241 BCM281XX_PIN_SHIFT(I2C, PULL_UP_STR),
1242 BCM281XX_PIN_MASK(I2C, PULL_UP_STR));
1243 break;
1244
1245 case PIN_CONFIG_BIAS_DISABLE:
1246 bcm281xx_pin_update(val, mask, 0,
1247 BCM281XX_PIN_SHIFT(I2C, PULL_UP_STR),
1248 BCM281XX_PIN_MASK(I2C, PULL_UP_STR));
1249 break;
1250
1251 case PIN_CONFIG_SLEW_RATE:
1252 arg = (arg >= 1 ? 1 : 0);
1253 bcm281xx_pin_update(val, mask, arg,
1254 BCM281XX_PIN_SHIFT(I2C, SLEW),
1255 BCM281XX_PIN_MASK(I2C, SLEW));
1256 break;
1257
1258 case PIN_CONFIG_INPUT_ENABLE:
1259 /* inversed since register is for input _disable_ */
1260 arg = (arg >= 1 ? 0 : 1);
1261 bcm281xx_pin_update(val, mask, arg,
1262 BCM281XX_PIN_SHIFT(I2C, INPUT_DIS),
1263 BCM281XX_PIN_MASK(I2C, INPUT_DIS));
1264 break;
1265
1266 default:
1267 dev_err(pctldev->dev,
1268 "Unrecognized pin config %d for pin %s (%d).\n",
1269 param, pdata->pins[pin].name, pin);
1270 return -EINVAL;
1271
1272 } /* switch config */
1273 } /* for each config */
1274
1275 return 0;
1276 }
1277
1278 /* Goes through the configs and update register val/mask */
bcm281xx_hdmi_pin_update(struct pinctrl_dev * pctldev,unsigned pin,unsigned long * configs,unsigned num_configs,u32 * val,u32 * mask)1279 static int bcm281xx_hdmi_pin_update(struct pinctrl_dev *pctldev,
1280 unsigned pin,
1281 unsigned long *configs,
1282 unsigned num_configs,
1283 u32 *val,
1284 u32 *mask)
1285 {
1286 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1287 int i;
1288 enum pin_config_param param;
1289 u32 arg;
1290
1291 for (i = 0; i < num_configs; i++) {
1292 param = pinconf_to_config_param(configs[i]);
1293 arg = pinconf_to_config_argument(configs[i]);
1294
1295 switch (param) {
1296 case PIN_CONFIG_SLEW_RATE:
1297 arg = (arg >= 1 ? 1 : 0);
1298 bcm281xx_pin_update(val, mask, arg,
1299 BCM281XX_PIN_SHIFT(HDMI, MODE),
1300 BCM281XX_PIN_MASK(HDMI, MODE));
1301 break;
1302
1303 case PIN_CONFIG_INPUT_ENABLE:
1304 /* inversed since register is for input _disable_ */
1305 arg = (arg >= 1 ? 0 : 1);
1306 bcm281xx_pin_update(val, mask, arg,
1307 BCM281XX_PIN_SHIFT(HDMI, INPUT_DIS),
1308 BCM281XX_PIN_MASK(HDMI, INPUT_DIS));
1309 break;
1310
1311 default:
1312 dev_err(pctldev->dev,
1313 "Unrecognized pin config %d for pin %s (%d).\n",
1314 param, pdata->pins[pin].name, pin);
1315 return -EINVAL;
1316
1317 } /* switch config */
1318 } /* for each config */
1319
1320 return 0;
1321 }
1322
bcm281xx_pinctrl_pin_config_set(struct pinctrl_dev * pctldev,unsigned pin,unsigned long * configs,unsigned num_configs)1323 static int bcm281xx_pinctrl_pin_config_set(struct pinctrl_dev *pctldev,
1324 unsigned pin,
1325 unsigned long *configs,
1326 unsigned num_configs)
1327 {
1328 struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1329 enum bcm281xx_pin_type pin_type;
1330 u32 offset = 4 * pin;
1331 u32 cfg_val, cfg_mask;
1332 int rc;
1333
1334 cfg_val = 0;
1335 cfg_mask = 0;
1336 pin_type = pin_type_get(pctldev, pin);
1337
1338 /* Different pins have different configuration options */
1339 switch (pin_type) {
1340 case BCM281XX_PIN_TYPE_STD:
1341 rc = bcm281xx_std_pin_update(pctldev, pin, configs,
1342 num_configs, &cfg_val, &cfg_mask);
1343 break;
1344
1345 case BCM281XX_PIN_TYPE_I2C:
1346 rc = bcm281xx_i2c_pin_update(pctldev, pin, configs,
1347 num_configs, &cfg_val, &cfg_mask);
1348 break;
1349
1350 case BCM281XX_PIN_TYPE_HDMI:
1351 rc = bcm281xx_hdmi_pin_update(pctldev, pin, configs,
1352 num_configs, &cfg_val, &cfg_mask);
1353 break;
1354
1355 default:
1356 dev_err(pctldev->dev, "Unknown pin type for pin %s (%d).\n",
1357 pdata->pins[pin].name, pin);
1358 return -EINVAL;
1359
1360 } /* switch pin type */
1361
1362 if (rc)
1363 return rc;
1364
1365 dev_dbg(pctldev->dev,
1366 "%s(): Set pin %s (%d) with config 0x%x, mask 0x%x\n",
1367 __func__, pdata->pins[pin].name, pin, cfg_val, cfg_mask);
1368
1369 rc = regmap_update_bits(pdata->regmap, offset, cfg_mask, cfg_val);
1370 if (rc) {
1371 dev_err(pctldev->dev,
1372 "Error updating register for pin %s (%d).\n",
1373 pdata->pins[pin].name, pin);
1374 return rc;
1375 }
1376
1377 return 0;
1378 }
1379
1380 static const struct pinconf_ops bcm281xx_pinctrl_pinconf_ops = {
1381 .pin_config_get = bcm281xx_pinctrl_pin_config_get,
1382 .pin_config_set = bcm281xx_pinctrl_pin_config_set,
1383 };
1384
1385 static struct pinctrl_desc bcm281xx_pinctrl_desc = {
1386 /* name, pins, npins members initialized in probe function */
1387 .pctlops = &bcm281xx_pinctrl_ops,
1388 .pmxops = &bcm281xx_pinctrl_pinmux_ops,
1389 .confops = &bcm281xx_pinctrl_pinconf_ops,
1390 .owner = THIS_MODULE,
1391 };
1392
bcm281xx_pinctrl_probe(struct platform_device * pdev)1393 static int __init bcm281xx_pinctrl_probe(struct platform_device *pdev)
1394 {
1395 struct bcm281xx_pinctrl_data *pdata = &bcm281xx_pinctrl;
1396 struct pinctrl_dev *pctl;
1397
1398 /* So far We can assume there is only 1 bank of registers */
1399 pdata->reg_base = devm_platform_ioremap_resource(pdev, 0);
1400 if (IS_ERR(pdata->reg_base)) {
1401 dev_err(&pdev->dev, "Failed to ioremap MEM resource\n");
1402 return PTR_ERR(pdata->reg_base);
1403 }
1404
1405 /* Initialize the dynamic part of pinctrl_desc */
1406 pdata->regmap = devm_regmap_init_mmio(&pdev->dev, pdata->reg_base,
1407 &bcm281xx_pinctrl_regmap_config);
1408 if (IS_ERR(pdata->regmap)) {
1409 dev_err(&pdev->dev, "Regmap MMIO init failed.\n");
1410 return -ENODEV;
1411 }
1412
1413 bcm281xx_pinctrl_desc.name = dev_name(&pdev->dev);
1414 bcm281xx_pinctrl_desc.pins = bcm281xx_pinctrl.pins;
1415 bcm281xx_pinctrl_desc.npins = bcm281xx_pinctrl.npins;
1416
1417 pctl = devm_pinctrl_register(&pdev->dev, &bcm281xx_pinctrl_desc, pdata);
1418 if (IS_ERR(pctl)) {
1419 dev_err(&pdev->dev, "Failed to register pinctrl\n");
1420 return PTR_ERR(pctl);
1421 }
1422
1423 platform_set_drvdata(pdev, pdata);
1424
1425 return 0;
1426 }
1427
1428 static const struct of_device_id bcm281xx_pinctrl_of_match[] = {
1429 { .compatible = "brcm,bcm11351-pinctrl", },
1430 { },
1431 };
1432
1433 static struct platform_driver bcm281xx_pinctrl_driver = {
1434 .driver = {
1435 .name = "bcm281xx-pinctrl",
1436 .of_match_table = bcm281xx_pinctrl_of_match,
1437 },
1438 };
1439 builtin_platform_driver_probe(bcm281xx_pinctrl_driver, bcm281xx_pinctrl_probe);
1440