1/*
2 * Copyright (C) 2013-2017 Broadcom
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation version 2.
7 *
8 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
9 * kind, whether express or implied; without even the implied warranty
10 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 */
13
14#include <linux/err.h>
15#include <linux/io.h>
16#include <linux/init.h>
17#include <linux/of.h>
18#include <linux/platform_device.h>
19#include <linux/pinctrl/pinctrl.h>
20#include <linux/pinctrl/pinmux.h>
21#include <linux/pinctrl/pinconf.h>
22#include <linux/pinctrl/pinconf-generic.h>
23#include <linux/regmap.h>
24#include <linux/slab.h>
25#include "../core.h"
26#include "../pinctrl-utils.h"
27
28/* BCM281XX Pin Control Registers Definitions */
29
30/* Function Select bits are the same for all pin control registers */
31#define BCM281XX_PIN_REG_F_SEL_MASK		0x0700
32#define BCM281XX_PIN_REG_F_SEL_SHIFT		8
33
34/* Standard pin register */
35#define BCM281XX_STD_PIN_REG_DRV_STR_MASK	0x0007
36#define BCM281XX_STD_PIN_REG_DRV_STR_SHIFT	0
37#define BCM281XX_STD_PIN_REG_INPUT_DIS_MASK	0x0008
38#define BCM281XX_STD_PIN_REG_INPUT_DIS_SHIFT	3
39#define BCM281XX_STD_PIN_REG_SLEW_MASK		0x0010
40#define BCM281XX_STD_PIN_REG_SLEW_SHIFT		4
41#define BCM281XX_STD_PIN_REG_PULL_UP_MASK	0x0020
42#define BCM281XX_STD_PIN_REG_PULL_UP_SHIFT	5
43#define BCM281XX_STD_PIN_REG_PULL_DN_MASK	0x0040
44#define BCM281XX_STD_PIN_REG_PULL_DN_SHIFT	6
45#define BCM281XX_STD_PIN_REG_HYST_MASK		0x0080
46#define BCM281XX_STD_PIN_REG_HYST_SHIFT		7
47
48/* I2C pin register */
49#define BCM281XX_I2C_PIN_REG_INPUT_DIS_MASK	0x0004
50#define BCM281XX_I2C_PIN_REG_INPUT_DIS_SHIFT	2
51#define BCM281XX_I2C_PIN_REG_SLEW_MASK		0x0008
52#define BCM281XX_I2C_PIN_REG_SLEW_SHIFT		3
53#define BCM281XX_I2C_PIN_REG_PULL_UP_STR_MASK	0x0070
54#define BCM281XX_I2C_PIN_REG_PULL_UP_STR_SHIFT	4
55
56/* HDMI pin register */
57#define BCM281XX_HDMI_PIN_REG_INPUT_DIS_MASK	0x0008
58#define BCM281XX_HDMI_PIN_REG_INPUT_DIS_SHIFT	3
59#define BCM281XX_HDMI_PIN_REG_MODE_MASK		0x0010
60#define BCM281XX_HDMI_PIN_REG_MODE_SHIFT	4
61
62/*
63 * bcm281xx_pin_type - types of pin register
64 */
65enum bcm281xx_pin_type {
66	BCM281XX_PIN_TYPE_UNKNOWN = 0,
67	BCM281XX_PIN_TYPE_STD,
68	BCM281XX_PIN_TYPE_I2C,
69	BCM281XX_PIN_TYPE_HDMI,
70};
71
72static enum bcm281xx_pin_type std_pin = BCM281XX_PIN_TYPE_STD;
73static enum bcm281xx_pin_type i2c_pin = BCM281XX_PIN_TYPE_I2C;
74static enum bcm281xx_pin_type hdmi_pin = BCM281XX_PIN_TYPE_HDMI;
75
76/*
77 * bcm281xx_pin_function- define pin function
78 */
79struct bcm281xx_pin_function {
80	const char *name;
81	const char * const *groups;
82	const unsigned ngroups;
83};
84
85/*
86 * bcm281xx_pinctrl_data - Broadcom-specific pinctrl data
87 * @reg_base - base of pinctrl registers
88 */
89struct bcm281xx_pinctrl_data {
90	void __iomem *reg_base;
91
92	/* List of all pins */
93	const struct pinctrl_pin_desc *pins;
94	const unsigned npins;
95
96	const struct bcm281xx_pin_function *functions;
97	const unsigned nfunctions;
98
99	struct regmap *regmap;
100};
101
102/*
103 * Pin number definition.  The order here must be the same as defined in the
104 * PADCTRLREG block in the RDB.
105 */
106#define BCM281XX_PIN_ADCSYNC		0
107#define BCM281XX_PIN_BAT_RM		1
108#define BCM281XX_PIN_BSC1_SCL		2
109#define BCM281XX_PIN_BSC1_SDA		3
110#define BCM281XX_PIN_BSC2_SCL		4
111#define BCM281XX_PIN_BSC2_SDA		5
112#define BCM281XX_PIN_CLASSGPWR		6
113#define BCM281XX_PIN_CLK_CX8		7
114#define BCM281XX_PIN_CLKOUT_0		8
115#define BCM281XX_PIN_CLKOUT_1		9
116#define BCM281XX_PIN_CLKOUT_2		10
117#define BCM281XX_PIN_CLKOUT_3		11
118#define BCM281XX_PIN_CLKREQ_IN_0	12
119#define BCM281XX_PIN_CLKREQ_IN_1	13
120#define BCM281XX_PIN_CWS_SYS_REQ1	14
121#define BCM281XX_PIN_CWS_SYS_REQ2	15
122#define BCM281XX_PIN_CWS_SYS_REQ3	16
123#define BCM281XX_PIN_DIGMIC1_CLK	17
124#define BCM281XX_PIN_DIGMIC1_DQ		18
125#define BCM281XX_PIN_DIGMIC2_CLK	19
126#define BCM281XX_PIN_DIGMIC2_DQ		20
127#define BCM281XX_PIN_GPEN13		21
128#define BCM281XX_PIN_GPEN14		22
129#define BCM281XX_PIN_GPEN15		23
130#define BCM281XX_PIN_GPIO00		24
131#define BCM281XX_PIN_GPIO01		25
132#define BCM281XX_PIN_GPIO02		26
133#define BCM281XX_PIN_GPIO03		27
134#define BCM281XX_PIN_GPIO04		28
135#define BCM281XX_PIN_GPIO05		29
136#define BCM281XX_PIN_GPIO06		30
137#define BCM281XX_PIN_GPIO07		31
138#define BCM281XX_PIN_GPIO08		32
139#define BCM281XX_PIN_GPIO09		33
140#define BCM281XX_PIN_GPIO10		34
141#define BCM281XX_PIN_GPIO11		35
142#define BCM281XX_PIN_GPIO12		36
143#define BCM281XX_PIN_GPIO13		37
144#define BCM281XX_PIN_GPIO14		38
145#define BCM281XX_PIN_GPS_PABLANK	39
146#define BCM281XX_PIN_GPS_TMARK		40
147#define BCM281XX_PIN_HDMI_SCL		41
148#define BCM281XX_PIN_HDMI_SDA		42
149#define BCM281XX_PIN_IC_DM		43
150#define BCM281XX_PIN_IC_DP		44
151#define BCM281XX_PIN_KP_COL_IP_0	45
152#define BCM281XX_PIN_KP_COL_IP_1	46
153#define BCM281XX_PIN_KP_COL_IP_2	47
154#define BCM281XX_PIN_KP_COL_IP_3	48
155#define BCM281XX_PIN_KP_ROW_OP_0	49
156#define BCM281XX_PIN_KP_ROW_OP_1	50
157#define BCM281XX_PIN_KP_ROW_OP_2	51
158#define BCM281XX_PIN_KP_ROW_OP_3	52
159#define BCM281XX_PIN_LCD_B_0		53
160#define BCM281XX_PIN_LCD_B_1		54
161#define BCM281XX_PIN_LCD_B_2		55
162#define BCM281XX_PIN_LCD_B_3		56
163#define BCM281XX_PIN_LCD_B_4		57
164#define BCM281XX_PIN_LCD_B_5		58
165#define BCM281XX_PIN_LCD_B_6		59
166#define BCM281XX_PIN_LCD_B_7		60
167#define BCM281XX_PIN_LCD_G_0		61
168#define BCM281XX_PIN_LCD_G_1		62
169#define BCM281XX_PIN_LCD_G_2		63
170#define BCM281XX_PIN_LCD_G_3		64
171#define BCM281XX_PIN_LCD_G_4		65
172#define BCM281XX_PIN_LCD_G_5		66
173#define BCM281XX_PIN_LCD_G_6		67
174#define BCM281XX_PIN_LCD_G_7		68
175#define BCM281XX_PIN_LCD_HSYNC		69
176#define BCM281XX_PIN_LCD_OE		70
177#define BCM281XX_PIN_LCD_PCLK		71
178#define BCM281XX_PIN_LCD_R_0		72
179#define BCM281XX_PIN_LCD_R_1		73
180#define BCM281XX_PIN_LCD_R_2		74
181#define BCM281XX_PIN_LCD_R_3		75
182#define BCM281XX_PIN_LCD_R_4		76
183#define BCM281XX_PIN_LCD_R_5		77
184#define BCM281XX_PIN_LCD_R_6		78
185#define BCM281XX_PIN_LCD_R_7		79
186#define BCM281XX_PIN_LCD_VSYNC		80
187#define BCM281XX_PIN_MDMGPIO0		81
188#define BCM281XX_PIN_MDMGPIO1		82
189#define BCM281XX_PIN_MDMGPIO2		83
190#define BCM281XX_PIN_MDMGPIO3		84
191#define BCM281XX_PIN_MDMGPIO4		85
192#define BCM281XX_PIN_MDMGPIO5		86
193#define BCM281XX_PIN_MDMGPIO6		87
194#define BCM281XX_PIN_MDMGPIO7		88
195#define BCM281XX_PIN_MDMGPIO8		89
196#define BCM281XX_PIN_MPHI_DATA_0	90
197#define BCM281XX_PIN_MPHI_DATA_1	91
198#define BCM281XX_PIN_MPHI_DATA_2	92
199#define BCM281XX_PIN_MPHI_DATA_3	93
200#define BCM281XX_PIN_MPHI_DATA_4	94
201#define BCM281XX_PIN_MPHI_DATA_5	95
202#define BCM281XX_PIN_MPHI_DATA_6	96
203#define BCM281XX_PIN_MPHI_DATA_7	97
204#define BCM281XX_PIN_MPHI_DATA_8	98
205#define BCM281XX_PIN_MPHI_DATA_9	99
206#define BCM281XX_PIN_MPHI_DATA_10	100
207#define BCM281XX_PIN_MPHI_DATA_11	101
208#define BCM281XX_PIN_MPHI_DATA_12	102
209#define BCM281XX_PIN_MPHI_DATA_13	103
210#define BCM281XX_PIN_MPHI_DATA_14	104
211#define BCM281XX_PIN_MPHI_DATA_15	105
212#define BCM281XX_PIN_MPHI_HA0		106
213#define BCM281XX_PIN_MPHI_HAT0		107
214#define BCM281XX_PIN_MPHI_HAT1		108
215#define BCM281XX_PIN_MPHI_HCE0_N	109
216#define BCM281XX_PIN_MPHI_HCE1_N	110
217#define BCM281XX_PIN_MPHI_HRD_N		111
218#define BCM281XX_PIN_MPHI_HWR_N		112
219#define BCM281XX_PIN_MPHI_RUN0		113
220#define BCM281XX_PIN_MPHI_RUN1		114
221#define BCM281XX_PIN_MTX_SCAN_CLK	115
222#define BCM281XX_PIN_MTX_SCAN_DATA	116
223#define BCM281XX_PIN_NAND_AD_0		117
224#define BCM281XX_PIN_NAND_AD_1		118
225#define BCM281XX_PIN_NAND_AD_2		119
226#define BCM281XX_PIN_NAND_AD_3		120
227#define BCM281XX_PIN_NAND_AD_4		121
228#define BCM281XX_PIN_NAND_AD_5		122
229#define BCM281XX_PIN_NAND_AD_6		123
230#define BCM281XX_PIN_NAND_AD_7		124
231#define BCM281XX_PIN_NAND_ALE		125
232#define BCM281XX_PIN_NAND_CEN_0		126
233#define BCM281XX_PIN_NAND_CEN_1		127
234#define BCM281XX_PIN_NAND_CLE		128
235#define BCM281XX_PIN_NAND_OEN		129
236#define BCM281XX_PIN_NAND_RDY_0		130
237#define BCM281XX_PIN_NAND_RDY_1		131
238#define BCM281XX_PIN_NAND_WEN		132
239#define BCM281XX_PIN_NAND_WP		133
240#define BCM281XX_PIN_PC1		134
241#define BCM281XX_PIN_PC2		135
242#define BCM281XX_PIN_PMU_INT		136
243#define BCM281XX_PIN_PMU_SCL		137
244#define BCM281XX_PIN_PMU_SDA		138
245#define BCM281XX_PIN_RFST2G_MTSLOTEN3G	139
246#define BCM281XX_PIN_RGMII_0_RX_CTL	140
247#define BCM281XX_PIN_RGMII_0_RXC	141
248#define BCM281XX_PIN_RGMII_0_RXD_0	142
249#define BCM281XX_PIN_RGMII_0_RXD_1	143
250#define BCM281XX_PIN_RGMII_0_RXD_2	144
251#define BCM281XX_PIN_RGMII_0_RXD_3	145
252#define BCM281XX_PIN_RGMII_0_TX_CTL	146
253#define BCM281XX_PIN_RGMII_0_TXC	147
254#define BCM281XX_PIN_RGMII_0_TXD_0	148
255#define BCM281XX_PIN_RGMII_0_TXD_1	149
256#define BCM281XX_PIN_RGMII_0_TXD_2	150
257#define BCM281XX_PIN_RGMII_0_TXD_3	151
258#define BCM281XX_PIN_RGMII_1_RX_CTL	152
259#define BCM281XX_PIN_RGMII_1_RXC	153
260#define BCM281XX_PIN_RGMII_1_RXD_0	154
261#define BCM281XX_PIN_RGMII_1_RXD_1	155
262#define BCM281XX_PIN_RGMII_1_RXD_2	156
263#define BCM281XX_PIN_RGMII_1_RXD_3	157
264#define BCM281XX_PIN_RGMII_1_TX_CTL	158
265#define BCM281XX_PIN_RGMII_1_TXC	159
266#define BCM281XX_PIN_RGMII_1_TXD_0	160
267#define BCM281XX_PIN_RGMII_1_TXD_1	161
268#define BCM281XX_PIN_RGMII_1_TXD_2	162
269#define BCM281XX_PIN_RGMII_1_TXD_3	163
270#define BCM281XX_PIN_RGMII_GPIO_0	164
271#define BCM281XX_PIN_RGMII_GPIO_1	165
272#define BCM281XX_PIN_RGMII_GPIO_2	166
273#define BCM281XX_PIN_RGMII_GPIO_3	167
274#define BCM281XX_PIN_RTXDATA2G_TXDATA3G1	168
275#define BCM281XX_PIN_RTXEN2G_TXDATA3G2	169
276#define BCM281XX_PIN_RXDATA3G0		170
277#define BCM281XX_PIN_RXDATA3G1		171
278#define BCM281XX_PIN_RXDATA3G2		172
279#define BCM281XX_PIN_SDIO1_CLK		173
280#define BCM281XX_PIN_SDIO1_CMD		174
281#define BCM281XX_PIN_SDIO1_DATA_0	175
282#define BCM281XX_PIN_SDIO1_DATA_1	176
283#define BCM281XX_PIN_SDIO1_DATA_2	177
284#define BCM281XX_PIN_SDIO1_DATA_3	178
285#define BCM281XX_PIN_SDIO4_CLK		179
286#define BCM281XX_PIN_SDIO4_CMD		180
287#define BCM281XX_PIN_SDIO4_DATA_0	181
288#define BCM281XX_PIN_SDIO4_DATA_1	182
289#define BCM281XX_PIN_SDIO4_DATA_2	183
290#define BCM281XX_PIN_SDIO4_DATA_3	184
291#define BCM281XX_PIN_SIM_CLK		185
292#define BCM281XX_PIN_SIM_DATA		186
293#define BCM281XX_PIN_SIM_DET		187
294#define BCM281XX_PIN_SIM_RESETN		188
295#define BCM281XX_PIN_SIM2_CLK		189
296#define BCM281XX_PIN_SIM2_DATA		190
297#define BCM281XX_PIN_SIM2_DET		191
298#define BCM281XX_PIN_SIM2_RESETN	192
299#define BCM281XX_PIN_SRI_C		193
300#define BCM281XX_PIN_SRI_D		194
301#define BCM281XX_PIN_SRI_E		195
302#define BCM281XX_PIN_SSP_EXTCLK		196
303#define BCM281XX_PIN_SSP0_CLK		197
304#define BCM281XX_PIN_SSP0_FS		198
305#define BCM281XX_PIN_SSP0_RXD		199
306#define BCM281XX_PIN_SSP0_TXD		200
307#define BCM281XX_PIN_SSP2_CLK		201
308#define BCM281XX_PIN_SSP2_FS_0		202
309#define BCM281XX_PIN_SSP2_FS_1		203
310#define BCM281XX_PIN_SSP2_FS_2		204
311#define BCM281XX_PIN_SSP2_FS_3		205
312#define BCM281XX_PIN_SSP2_RXD_0		206
313#define BCM281XX_PIN_SSP2_RXD_1		207
314#define BCM281XX_PIN_SSP2_TXD_0		208
315#define BCM281XX_PIN_SSP2_TXD_1		209
316#define BCM281XX_PIN_SSP3_CLK		210
317#define BCM281XX_PIN_SSP3_FS		211
318#define BCM281XX_PIN_SSP3_RXD		212
319#define BCM281XX_PIN_SSP3_TXD		213
320#define BCM281XX_PIN_SSP4_CLK		214
321#define BCM281XX_PIN_SSP4_FS		215
322#define BCM281XX_PIN_SSP4_RXD		216
323#define BCM281XX_PIN_SSP4_TXD		217
324#define BCM281XX_PIN_SSP5_CLK		218
325#define BCM281XX_PIN_SSP5_FS		219
326#define BCM281XX_PIN_SSP5_RXD		220
327#define BCM281XX_PIN_SSP5_TXD		221
328#define BCM281XX_PIN_SSP6_CLK		222
329#define BCM281XX_PIN_SSP6_FS		223
330#define BCM281XX_PIN_SSP6_RXD		224
331#define BCM281XX_PIN_SSP6_TXD		225
332#define BCM281XX_PIN_STAT_1		226
333#define BCM281XX_PIN_STAT_2		227
334#define BCM281XX_PIN_SYSCLKEN		228
335#define BCM281XX_PIN_TRACECLK		229
336#define BCM281XX_PIN_TRACEDT00		230
337#define BCM281XX_PIN_TRACEDT01		231
338#define BCM281XX_PIN_TRACEDT02		232
339#define BCM281XX_PIN_TRACEDT03		233
340#define BCM281XX_PIN_TRACEDT04		234
341#define BCM281XX_PIN_TRACEDT05		235
342#define BCM281XX_PIN_TRACEDT06		236
343#define BCM281XX_PIN_TRACEDT07		237
344#define BCM281XX_PIN_TRACEDT08		238
345#define BCM281XX_PIN_TRACEDT09		239
346#define BCM281XX_PIN_TRACEDT10		240
347#define BCM281XX_PIN_TRACEDT11		241
348#define BCM281XX_PIN_TRACEDT12		242
349#define BCM281XX_PIN_TRACEDT13		243
350#define BCM281XX_PIN_TRACEDT14		244
351#define BCM281XX_PIN_TRACEDT15		245
352#define BCM281XX_PIN_TXDATA3G0		246
353#define BCM281XX_PIN_TXPWRIND		247
354#define BCM281XX_PIN_UARTB1_UCTS	248
355#define BCM281XX_PIN_UARTB1_URTS	249
356#define BCM281XX_PIN_UARTB1_URXD	250
357#define BCM281XX_PIN_UARTB1_UTXD	251
358#define BCM281XX_PIN_UARTB2_URXD	252
359#define BCM281XX_PIN_UARTB2_UTXD	253
360#define BCM281XX_PIN_UARTB3_UCTS	254
361#define BCM281XX_PIN_UARTB3_URTS	255
362#define BCM281XX_PIN_UARTB3_URXD	256
363#define BCM281XX_PIN_UARTB3_UTXD	257
364#define BCM281XX_PIN_UARTB4_UCTS	258
365#define BCM281XX_PIN_UARTB4_URTS	259
366#define BCM281XX_PIN_UARTB4_URXD	260
367#define BCM281XX_PIN_UARTB4_UTXD	261
368#define BCM281XX_PIN_VC_CAM1_SCL	262
369#define BCM281XX_PIN_VC_CAM1_SDA	263
370#define BCM281XX_PIN_VC_CAM2_SCL	264
371#define BCM281XX_PIN_VC_CAM2_SDA	265
372#define BCM281XX_PIN_VC_CAM3_SCL	266
373#define BCM281XX_PIN_VC_CAM3_SDA	267
374
375#define BCM281XX_PIN_DESC(a, b, c) \
376	{ .number = a, .name = b, .drv_data = &c##_pin }
377
378/*
379 * Pin description definition.  The order here must be the same as defined in
380 * the PADCTRLREG block in the RDB, since the pin number is used as an index
381 * into this array.
382 */
383static const struct pinctrl_pin_desc bcm281xx_pinctrl_pins[] = {
384	BCM281XX_PIN_DESC(BCM281XX_PIN_ADCSYNC, "adcsync", std),
385	BCM281XX_PIN_DESC(BCM281XX_PIN_BAT_RM, "bat_rm", std),
386	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC1_SCL, "bsc1_scl", i2c),
387	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC1_SDA, "bsc1_sda", i2c),
388	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC2_SCL, "bsc2_scl", i2c),
389	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC2_SDA, "bsc2_sda", i2c),
390	BCM281XX_PIN_DESC(BCM281XX_PIN_CLASSGPWR, "classgpwr", std),
391	BCM281XX_PIN_DESC(BCM281XX_PIN_CLK_CX8, "clk_cx8", std),
392	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_0, "clkout_0", std),
393	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_1, "clkout_1", std),
394	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_2, "clkout_2", std),
395	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_3, "clkout_3", std),
396	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKREQ_IN_0, "clkreq_in_0", std),
397	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKREQ_IN_1, "clkreq_in_1", std),
398	BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ1, "cws_sys_req1", std),
399	BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ2, "cws_sys_req2", std),
400	BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ3, "cws_sys_req3", std),
401	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC1_CLK, "digmic1_clk", std),
402	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC1_DQ, "digmic1_dq", std),
403	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC2_CLK, "digmic2_clk", std),
404	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC2_DQ, "digmic2_dq", std),
405	BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN13, "gpen13", std),
406	BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN14, "gpen14", std),
407	BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN15, "gpen15", std),
408	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO00, "gpio00", std),
409	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO01, "gpio01", std),
410	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO02, "gpio02", std),
411	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO03, "gpio03", std),
412	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO04, "gpio04", std),
413	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO05, "gpio05", std),
414	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO06, "gpio06", std),
415	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO07, "gpio07", std),
416	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO08, "gpio08", std),
417	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO09, "gpio09", std),
418	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO10, "gpio10", std),
419	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO11, "gpio11", std),
420	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO12, "gpio12", std),
421	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO13, "gpio13", std),
422	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO14, "gpio14", std),
423	BCM281XX_PIN_DESC(BCM281XX_PIN_GPS_PABLANK, "gps_pablank", std),
424	BCM281XX_PIN_DESC(BCM281XX_PIN_GPS_TMARK, "gps_tmark", std),
425	BCM281XX_PIN_DESC(BCM281XX_PIN_HDMI_SCL, "hdmi_scl", hdmi),
426	BCM281XX_PIN_DESC(BCM281XX_PIN_HDMI_SDA, "hdmi_sda", hdmi),
427	BCM281XX_PIN_DESC(BCM281XX_PIN_IC_DM, "ic_dm", std),
428	BCM281XX_PIN_DESC(BCM281XX_PIN_IC_DP, "ic_dp", std),
429	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_0, "kp_col_ip_0", std),
430	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_1, "kp_col_ip_1", std),
431	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_2, "kp_col_ip_2", std),
432	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_3, "kp_col_ip_3", std),
433	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_0, "kp_row_op_0", std),
434	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_1, "kp_row_op_1", std),
435	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_2, "kp_row_op_2", std),
436	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_3, "kp_row_op_3", std),
437	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_0, "lcd_b_0", std),
438	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_1, "lcd_b_1", std),
439	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_2, "lcd_b_2", std),
440	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_3, "lcd_b_3", std),
441	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_4, "lcd_b_4", std),
442	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_5, "lcd_b_5", std),
443	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_6, "lcd_b_6", std),
444	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_7, "lcd_b_7", std),
445	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_0, "lcd_g_0", std),
446	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_1, "lcd_g_1", std),
447	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_2, "lcd_g_2", std),
448	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_3, "lcd_g_3", std),
449	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_4, "lcd_g_4", std),
450	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_5, "lcd_g_5", std),
451	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_6, "lcd_g_6", std),
452	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_7, "lcd_g_7", std),
453	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_HSYNC, "lcd_hsync", std),
454	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_OE, "lcd_oe", std),
455	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_PCLK, "lcd_pclk", std),
456	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_0, "lcd_r_0", std),
457	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_1, "lcd_r_1", std),
458	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_2, "lcd_r_2", std),
459	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_3, "lcd_r_3", std),
460	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_4, "lcd_r_4", std),
461	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_5, "lcd_r_5", std),
462	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_6, "lcd_r_6", std),
463	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_7, "lcd_r_7", std),
464	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_VSYNC, "lcd_vsync", std),
465	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO0, "mdmgpio0", std),
466	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO1, "mdmgpio1", std),
467	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO2, "mdmgpio2", std),
468	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO3, "mdmgpio3", std),
469	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO4, "mdmgpio4", std),
470	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO5, "mdmgpio5", std),
471	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO6, "mdmgpio6", std),
472	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO7, "mdmgpio7", std),
473	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO8, "mdmgpio8", std),
474	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_0, "mphi_data_0", std),
475	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_1, "mphi_data_1", std),
476	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_2, "mphi_data_2", std),
477	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_3, "mphi_data_3", std),
478	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_4, "mphi_data_4", std),
479	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_5, "mphi_data_5", std),
480	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_6, "mphi_data_6", std),
481	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_7, "mphi_data_7", std),
482	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_8, "mphi_data_8", std),
483	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_9, "mphi_data_9", std),
484	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_10, "mphi_data_10", std),
485	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_11, "mphi_data_11", std),
486	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_12, "mphi_data_12", std),
487	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_13, "mphi_data_13", std),
488	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_14, "mphi_data_14", std),
489	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_15, "mphi_data_15", std),
490	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HA0, "mphi_ha0", std),
491	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HAT0, "mphi_hat0", std),
492	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HAT1, "mphi_hat1", std),
493	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HCE0_N, "mphi_hce0_n", std),
494	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HCE1_N, "mphi_hce1_n", std),
495	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HRD_N, "mphi_hrd_n", std),
496	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HWR_N, "mphi_hwr_n", std),
497	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_RUN0, "mphi_run0", std),
498	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_RUN1, "mphi_run1", std),
499	BCM281XX_PIN_DESC(BCM281XX_PIN_MTX_SCAN_CLK, "mtx_scan_clk", std),
500	BCM281XX_PIN_DESC(BCM281XX_PIN_MTX_SCAN_DATA, "mtx_scan_data", std),
501	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_0, "nand_ad_0", std),
502	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_1, "nand_ad_1", std),
503	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_2, "nand_ad_2", std),
504	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_3, "nand_ad_3", std),
505	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_4, "nand_ad_4", std),
506	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_5, "nand_ad_5", std),
507	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_6, "nand_ad_6", std),
508	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_7, "nand_ad_7", std),
509	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_ALE, "nand_ale", std),
510	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CEN_0, "nand_cen_0", std),
511	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CEN_1, "nand_cen_1", std),
512	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CLE, "nand_cle", std),
513	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_OEN, "nand_oen", std),
514	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_RDY_0, "nand_rdy_0", std),
515	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_RDY_1, "nand_rdy_1", std),
516	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_WEN, "nand_wen", std),
517	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_WP, "nand_wp", std),
518	BCM281XX_PIN_DESC(BCM281XX_PIN_PC1, "pc1", std),
519	BCM281XX_PIN_DESC(BCM281XX_PIN_PC2, "pc2", std),
520	BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_INT, "pmu_int", std),
521	BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_SCL, "pmu_scl", i2c),
522	BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_SDA, "pmu_sda", i2c),
523	BCM281XX_PIN_DESC(BCM281XX_PIN_RFST2G_MTSLOTEN3G, "rfst2g_mtsloten3g",
524		std),
525	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RX_CTL, "rgmii_0_rx_ctl", std),
526	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXC, "rgmii_0_rxc", std),
527	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_0, "rgmii_0_rxd_0", std),
528	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_1, "rgmii_0_rxd_1", std),
529	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_2, "rgmii_0_rxd_2", std),
530	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_3, "rgmii_0_rxd_3", std),
531	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TX_CTL, "rgmii_0_tx_ctl", std),
532	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXC, "rgmii_0_txc", std),
533	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_0, "rgmii_0_txd_0", std),
534	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_1, "rgmii_0_txd_1", std),
535	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_2, "rgmii_0_txd_2", std),
536	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_3, "rgmii_0_txd_3", std),
537	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RX_CTL, "rgmii_1_rx_ctl", std),
538	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXC, "rgmii_1_rxc", std),
539	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_0, "rgmii_1_rxd_0", std),
540	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_1, "rgmii_1_rxd_1", std),
541	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_2, "rgmii_1_rxd_2", std),
542	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_3, "rgmii_1_rxd_3", std),
543	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TX_CTL, "rgmii_1_tx_ctl", std),
544	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXC, "rgmii_1_txc", std),
545	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_0, "rgmii_1_txd_0", std),
546	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_1, "rgmii_1_txd_1", std),
547	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_2, "rgmii_1_txd_2", std),
548	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_3, "rgmii_1_txd_3", std),
549	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_0, "rgmii_gpio_0", std),
550	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_1, "rgmii_gpio_1", std),
551	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_2, "rgmii_gpio_2", std),
552	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_3, "rgmii_gpio_3", std),
553	BCM281XX_PIN_DESC(BCM281XX_PIN_RTXDATA2G_TXDATA3G1,
554		"rtxdata2g_txdata3g1", std),
555	BCM281XX_PIN_DESC(BCM281XX_PIN_RTXEN2G_TXDATA3G2, "rtxen2g_txdata3g2",
556		std),
557	BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G0, "rxdata3g0", std),
558	BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G1, "rxdata3g1", std),
559	BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G2, "rxdata3g2", std),
560	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_CLK, "sdio1_clk", std),
561	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_CMD, "sdio1_cmd", std),
562	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_0, "sdio1_data_0", std),
563	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_1, "sdio1_data_1", std),
564	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_2, "sdio1_data_2", std),
565	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_3, "sdio1_data_3", std),
566	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_CLK, "sdio4_clk", std),
567	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_CMD, "sdio4_cmd", std),
568	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_0, "sdio4_data_0", std),
569	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_1, "sdio4_data_1", std),
570	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_2, "sdio4_data_2", std),
571	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_3, "sdio4_data_3", std),
572	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_CLK, "sim_clk", std),
573	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_DATA, "sim_data", std),
574	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_DET, "sim_det", std),
575	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_RESETN, "sim_resetn", std),
576	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_CLK, "sim2_clk", std),
577	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_DATA, "sim2_data", std),
578	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_DET, "sim2_det", std),
579	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_RESETN, "sim2_resetn", std),
580	BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_C, "sri_c", std),
581	BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_D, "sri_d", std),
582	BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_E, "sri_e", std),
583	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP_EXTCLK, "ssp_extclk", std),
584	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_CLK, "ssp0_clk", std),
585	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_FS, "ssp0_fs", std),
586	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_RXD, "ssp0_rxd", std),
587	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_TXD, "ssp0_txd", std),
588	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_CLK, "ssp2_clk", std),
589	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_0, "ssp2_fs_0", std),
590	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_1, "ssp2_fs_1", std),
591	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_2, "ssp2_fs_2", std),
592	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_3, "ssp2_fs_3", std),
593	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_RXD_0, "ssp2_rxd_0", std),
594	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_RXD_1, "ssp2_rxd_1", std),
595	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_TXD_0, "ssp2_txd_0", std),
596	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_TXD_1, "ssp2_txd_1", std),
597	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_CLK, "ssp3_clk", std),
598	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_FS, "ssp3_fs", std),
599	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_RXD, "ssp3_rxd", std),
600	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_TXD, "ssp3_txd", std),
601	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_CLK, "ssp4_clk", std),
602	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_FS, "ssp4_fs", std),
603	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_RXD, "ssp4_rxd", std),
604	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_TXD, "ssp4_txd", std),
605	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_CLK, "ssp5_clk", std),
606	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_FS, "ssp5_fs", std),
607	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_RXD, "ssp5_rxd", std),
608	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_TXD, "ssp5_txd", std),
609	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_CLK, "ssp6_clk", std),
610	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_FS, "ssp6_fs", std),
611	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_RXD, "ssp6_rxd", std),
612	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_TXD, "ssp6_txd", std),
613	BCM281XX_PIN_DESC(BCM281XX_PIN_STAT_1, "stat_1", std),
614	BCM281XX_PIN_DESC(BCM281XX_PIN_STAT_2, "stat_2", std),
615	BCM281XX_PIN_DESC(BCM281XX_PIN_SYSCLKEN, "sysclken", std),
616	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACECLK, "traceclk", std),
617	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT00, "tracedt00", std),
618	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT01, "tracedt01", std),
619	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT02, "tracedt02", std),
620	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT03, "tracedt03", std),
621	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT04, "tracedt04", std),
622	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT05, "tracedt05", std),
623	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT06, "tracedt06", std),
624	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT07, "tracedt07", std),
625	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT08, "tracedt08", std),
626	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT09, "tracedt09", std),
627	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT10, "tracedt10", std),
628	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT11, "tracedt11", std),
629	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT12, "tracedt12", std),
630	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT13, "tracedt13", std),
631	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT14, "tracedt14", std),
632	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT15, "tracedt15", std),
633	BCM281XX_PIN_DESC(BCM281XX_PIN_TXDATA3G0, "txdata3g0", std),
634	BCM281XX_PIN_DESC(BCM281XX_PIN_TXPWRIND, "txpwrind", std),
635	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_UCTS, "uartb1_ucts", std),
636	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_URTS, "uartb1_urts", std),
637	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_URXD, "uartb1_urxd", std),
638	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_UTXD, "uartb1_utxd", std),
639	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB2_URXD, "uartb2_urxd", std),
640	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB2_UTXD, "uartb2_utxd", std),
641	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_UCTS, "uartb3_ucts", std),
642	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_URTS, "uartb3_urts", std),
643	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_URXD, "uartb3_urxd", std),
644	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_UTXD, "uartb3_utxd", std),
645	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_UCTS, "uartb4_ucts", std),
646	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_URTS, "uartb4_urts", std),
647	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_URXD, "uartb4_urxd", std),
648	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_UTXD, "uartb4_utxd", std),
649	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM1_SCL, "vc_cam1_scl", i2c),
650	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM1_SDA, "vc_cam1_sda", i2c),
651	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM2_SCL, "vc_cam2_scl", i2c),
652	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM2_SDA, "vc_cam2_sda", i2c),
653	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM3_SCL, "vc_cam3_scl", i2c),
654	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM3_SDA, "vc_cam3_sda", i2c),
655};
656
657static const char * const bcm281xx_alt_groups[] = {
658	"adcsync",
659	"bat_rm",
660	"bsc1_scl",
661	"bsc1_sda",
662	"bsc2_scl",
663	"bsc2_sda",
664	"classgpwr",
665	"clk_cx8",
666	"clkout_0",
667	"clkout_1",
668	"clkout_2",
669	"clkout_3",
670	"clkreq_in_0",
671	"clkreq_in_1",
672	"cws_sys_req1",
673	"cws_sys_req2",
674	"cws_sys_req3",
675	"digmic1_clk",
676	"digmic1_dq",
677	"digmic2_clk",
678	"digmic2_dq",
679	"gpen13",
680	"gpen14",
681	"gpen15",
682	"gpio00",
683	"gpio01",
684	"gpio02",
685	"gpio03",
686	"gpio04",
687	"gpio05",
688	"gpio06",
689	"gpio07",
690	"gpio08",
691	"gpio09",
692	"gpio10",
693	"gpio11",
694	"gpio12",
695	"gpio13",
696	"gpio14",
697	"gps_pablank",
698	"gps_tmark",
699	"hdmi_scl",
700	"hdmi_sda",
701	"ic_dm",
702	"ic_dp",
703	"kp_col_ip_0",
704	"kp_col_ip_1",
705	"kp_col_ip_2",
706	"kp_col_ip_3",
707	"kp_row_op_0",
708	"kp_row_op_1",
709	"kp_row_op_2",
710	"kp_row_op_3",
711	"lcd_b_0",
712	"lcd_b_1",
713	"lcd_b_2",
714	"lcd_b_3",
715	"lcd_b_4",
716	"lcd_b_5",
717	"lcd_b_6",
718	"lcd_b_7",
719	"lcd_g_0",
720	"lcd_g_1",
721	"lcd_g_2",
722	"lcd_g_3",
723	"lcd_g_4",
724	"lcd_g_5",
725	"lcd_g_6",
726	"lcd_g_7",
727	"lcd_hsync",
728	"lcd_oe",
729	"lcd_pclk",
730	"lcd_r_0",
731	"lcd_r_1",
732	"lcd_r_2",
733	"lcd_r_3",
734	"lcd_r_4",
735	"lcd_r_5",
736	"lcd_r_6",
737	"lcd_r_7",
738	"lcd_vsync",
739	"mdmgpio0",
740	"mdmgpio1",
741	"mdmgpio2",
742	"mdmgpio3",
743	"mdmgpio4",
744	"mdmgpio5",
745	"mdmgpio6",
746	"mdmgpio7",
747	"mdmgpio8",
748	"mphi_data_0",
749	"mphi_data_1",
750	"mphi_data_2",
751	"mphi_data_3",
752	"mphi_data_4",
753	"mphi_data_5",
754	"mphi_data_6",
755	"mphi_data_7",
756	"mphi_data_8",
757	"mphi_data_9",
758	"mphi_data_10",
759	"mphi_data_11",
760	"mphi_data_12",
761	"mphi_data_13",
762	"mphi_data_14",
763	"mphi_data_15",
764	"mphi_ha0",
765	"mphi_hat0",
766	"mphi_hat1",
767	"mphi_hce0_n",
768	"mphi_hce1_n",
769	"mphi_hrd_n",
770	"mphi_hwr_n",
771	"mphi_run0",
772	"mphi_run1",
773	"mtx_scan_clk",
774	"mtx_scan_data",
775	"nand_ad_0",
776	"nand_ad_1",
777	"nand_ad_2",
778	"nand_ad_3",
779	"nand_ad_4",
780	"nand_ad_5",
781	"nand_ad_6",
782	"nand_ad_7",
783	"nand_ale",
784	"nand_cen_0",
785	"nand_cen_1",
786	"nand_cle",
787	"nand_oen",
788	"nand_rdy_0",
789	"nand_rdy_1",
790	"nand_wen",
791	"nand_wp",
792	"pc1",
793	"pc2",
794	"pmu_int",
795	"pmu_scl",
796	"pmu_sda",
797	"rfst2g_mtsloten3g",
798	"rgmii_0_rx_ctl",
799	"rgmii_0_rxc",
800	"rgmii_0_rxd_0",
801	"rgmii_0_rxd_1",
802	"rgmii_0_rxd_2",
803	"rgmii_0_rxd_3",
804	"rgmii_0_tx_ctl",
805	"rgmii_0_txc",
806	"rgmii_0_txd_0",
807	"rgmii_0_txd_1",
808	"rgmii_0_txd_2",
809	"rgmii_0_txd_3",
810	"rgmii_1_rx_ctl",
811	"rgmii_1_rxc",
812	"rgmii_1_rxd_0",
813	"rgmii_1_rxd_1",
814	"rgmii_1_rxd_2",
815	"rgmii_1_rxd_3",
816	"rgmii_1_tx_ctl",
817	"rgmii_1_txc",
818	"rgmii_1_txd_0",
819	"rgmii_1_txd_1",
820	"rgmii_1_txd_2",
821	"rgmii_1_txd_3",
822	"rgmii_gpio_0",
823	"rgmii_gpio_1",
824	"rgmii_gpio_2",
825	"rgmii_gpio_3",
826	"rtxdata2g_txdata3g1",
827	"rtxen2g_txdata3g2",
828	"rxdata3g0",
829	"rxdata3g1",
830	"rxdata3g2",
831	"sdio1_clk",
832	"sdio1_cmd",
833	"sdio1_data_0",
834	"sdio1_data_1",
835	"sdio1_data_2",
836	"sdio1_data_3",
837	"sdio4_clk",
838	"sdio4_cmd",
839	"sdio4_data_0",
840	"sdio4_data_1",
841	"sdio4_data_2",
842	"sdio4_data_3",
843	"sim_clk",
844	"sim_data",
845	"sim_det",
846	"sim_resetn",
847	"sim2_clk",
848	"sim2_data",
849	"sim2_det",
850	"sim2_resetn",
851	"sri_c",
852	"sri_d",
853	"sri_e",
854	"ssp_extclk",
855	"ssp0_clk",
856	"ssp0_fs",
857	"ssp0_rxd",
858	"ssp0_txd",
859	"ssp2_clk",
860	"ssp2_fs_0",
861	"ssp2_fs_1",
862	"ssp2_fs_2",
863	"ssp2_fs_3",
864	"ssp2_rxd_0",
865	"ssp2_rxd_1",
866	"ssp2_txd_0",
867	"ssp2_txd_1",
868	"ssp3_clk",
869	"ssp3_fs",
870	"ssp3_rxd",
871	"ssp3_txd",
872	"ssp4_clk",
873	"ssp4_fs",
874	"ssp4_rxd",
875	"ssp4_txd",
876	"ssp5_clk",
877	"ssp5_fs",
878	"ssp5_rxd",
879	"ssp5_txd",
880	"ssp6_clk",
881	"ssp6_fs",
882	"ssp6_rxd",
883	"ssp6_txd",
884	"stat_1",
885	"stat_2",
886	"sysclken",
887	"traceclk",
888	"tracedt00",
889	"tracedt01",
890	"tracedt02",
891	"tracedt03",
892	"tracedt04",
893	"tracedt05",
894	"tracedt06",
895	"tracedt07",
896	"tracedt08",
897	"tracedt09",
898	"tracedt10",
899	"tracedt11",
900	"tracedt12",
901	"tracedt13",
902	"tracedt14",
903	"tracedt15",
904	"txdata3g0",
905	"txpwrind",
906	"uartb1_ucts",
907	"uartb1_urts",
908	"uartb1_urxd",
909	"uartb1_utxd",
910	"uartb2_urxd",
911	"uartb2_utxd",
912	"uartb3_ucts",
913	"uartb3_urts",
914	"uartb3_urxd",
915	"uartb3_utxd",
916	"uartb4_ucts",
917	"uartb4_urts",
918	"uartb4_urxd",
919	"uartb4_utxd",
920	"vc_cam1_scl",
921	"vc_cam1_sda",
922	"vc_cam2_scl",
923	"vc_cam2_sda",
924	"vc_cam3_scl",
925	"vc_cam3_sda",
926};
927
928/* Every pin can implement all ALT1-ALT4 functions */
929#define BCM281XX_PIN_FUNCTION(fcn_name)			\
930{							\
931	.name = #fcn_name,				\
932	.groups = bcm281xx_alt_groups,			\
933	.ngroups = ARRAY_SIZE(bcm281xx_alt_groups),	\
934}
935
936static const struct bcm281xx_pin_function bcm281xx_functions[] = {
937	BCM281XX_PIN_FUNCTION(alt1),
938	BCM281XX_PIN_FUNCTION(alt2),
939	BCM281XX_PIN_FUNCTION(alt3),
940	BCM281XX_PIN_FUNCTION(alt4),
941};
942
943static struct bcm281xx_pinctrl_data bcm281xx_pinctrl = {
944	.pins = bcm281xx_pinctrl_pins,
945	.npins = ARRAY_SIZE(bcm281xx_pinctrl_pins),
946	.functions = bcm281xx_functions,
947	.nfunctions = ARRAY_SIZE(bcm281xx_functions),
948};
949
950static inline enum bcm281xx_pin_type pin_type_get(struct pinctrl_dev *pctldev,
951						  unsigned pin)
952{
953	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
954
955	if (pin >= pdata->npins)
956		return BCM281XX_PIN_TYPE_UNKNOWN;
957
958	return *(enum bcm281xx_pin_type *)(pdata->pins[pin].drv_data);
959}
960
961#define BCM281XX_PIN_SHIFT(type, param) \
962	(BCM281XX_ ## type ## _PIN_REG_ ## param ## _SHIFT)
963
964#define BCM281XX_PIN_MASK(type, param) \
965	(BCM281XX_ ## type ## _PIN_REG_ ## param ## _MASK)
966
967/*
968 * This helper function is used to build up the value and mask used to write to
969 * a pin register, but does not actually write to the register.
970 */
971static inline void bcm281xx_pin_update(u32 *reg_val, u32 *reg_mask,
972				       u32 param_val, u32 param_shift,
973				       u32 param_mask)
974{
975	*reg_val &= ~param_mask;
976	*reg_val |= (param_val << param_shift) & param_mask;
977	*reg_mask |= param_mask;
978}
979
980static const struct regmap_config bcm281xx_pinctrl_regmap_config = {
981	.reg_bits = 32,
982	.reg_stride = 4,
983	.val_bits = 32,
984	.max_register = BCM281XX_PIN_VC_CAM3_SDA,
985};
986
987static int bcm281xx_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
988{
989	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
990
991	return pdata->npins;
992}
993
994static const char *bcm281xx_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
995						   unsigned group)
996{
997	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
998
999	return pdata->pins[group].name;
1000}
1001
1002static int bcm281xx_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
1003					   unsigned group,
1004					   const unsigned **pins,
1005					   unsigned *num_pins)
1006{
1007	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1008
1009	*pins = &pdata->pins[group].number;
1010	*num_pins = 1;
1011
1012	return 0;
1013}
1014
1015static void bcm281xx_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev,
1016					  struct seq_file *s,
1017					  unsigned offset)
1018{
1019	seq_printf(s, " %s", dev_name(pctldev->dev));
1020}
1021
1022static const struct pinctrl_ops bcm281xx_pinctrl_ops = {
1023	.get_groups_count = bcm281xx_pinctrl_get_groups_count,
1024	.get_group_name = bcm281xx_pinctrl_get_group_name,
1025	.get_group_pins = bcm281xx_pinctrl_get_group_pins,
1026	.pin_dbg_show = bcm281xx_pinctrl_pin_dbg_show,
1027	.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
1028	.dt_free_map = pinctrl_utils_free_map,
1029};
1030
1031static int bcm281xx_pinctrl_get_fcns_count(struct pinctrl_dev *pctldev)
1032{
1033	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1034
1035	return pdata->nfunctions;
1036}
1037
1038static const char *bcm281xx_pinctrl_get_fcn_name(struct pinctrl_dev *pctldev,
1039						 unsigned function)
1040{
1041	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1042
1043	return pdata->functions[function].name;
1044}
1045
1046static int bcm281xx_pinctrl_get_fcn_groups(struct pinctrl_dev *pctldev,
1047					   unsigned function,
1048					   const char * const **groups,
1049					   unsigned * const num_groups)
1050{
1051	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1052
1053	*groups = pdata->functions[function].groups;
1054	*num_groups = pdata->functions[function].ngroups;
1055
1056	return 0;
1057}
1058
1059static int bcm281xx_pinmux_set(struct pinctrl_dev *pctldev,
1060			       unsigned function,
1061			       unsigned group)
1062{
1063	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1064	const struct bcm281xx_pin_function *f = &pdata->functions[function];
1065	u32 offset = 4 * pdata->pins[group].number;
1066	int rc = 0;
1067
1068	dev_dbg(pctldev->dev,
1069		"%s(): Enable function %s (%d) of pin %s (%d) @offset 0x%x.\n",
1070		__func__, f->name, function, pdata->pins[group].name,
1071		pdata->pins[group].number, offset);
1072
1073	rc = regmap_update_bits(pdata->regmap, offset,
1074		BCM281XX_PIN_REG_F_SEL_MASK,
1075		function << BCM281XX_PIN_REG_F_SEL_SHIFT);
1076	if (rc)
1077		dev_err(pctldev->dev,
1078			"Error updating register for pin %s (%d).\n",
1079			pdata->pins[group].name, pdata->pins[group].number);
1080
1081	return rc;
1082}
1083
1084static const struct pinmux_ops bcm281xx_pinctrl_pinmux_ops = {
1085	.get_functions_count = bcm281xx_pinctrl_get_fcns_count,
1086	.get_function_name = bcm281xx_pinctrl_get_fcn_name,
1087	.get_function_groups = bcm281xx_pinctrl_get_fcn_groups,
1088	.set_mux = bcm281xx_pinmux_set,
1089};
1090
1091static int bcm281xx_pinctrl_pin_config_get(struct pinctrl_dev *pctldev,
1092					   unsigned pin,
1093					   unsigned long *config)
1094{
1095	return -ENOTSUPP;
1096}
1097
1098
1099/* Goes through the configs and update register val/mask */
1100static int bcm281xx_std_pin_update(struct pinctrl_dev *pctldev,
1101				   unsigned pin,
1102				   unsigned long *configs,
1103				   unsigned num_configs,
1104				   u32 *val,
1105				   u32 *mask)
1106{
1107	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1108	int i;
1109	enum pin_config_param param;
1110	u32 arg;
1111
1112	for (i = 0; i < num_configs; i++) {
1113		param = pinconf_to_config_param(configs[i]);
1114		arg = pinconf_to_config_argument(configs[i]);
1115
1116		switch (param) {
1117		case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
1118			arg = (arg >= 1 ? 1 : 0);
1119			bcm281xx_pin_update(val, mask, arg,
1120				BCM281XX_PIN_SHIFT(STD, HYST),
1121				BCM281XX_PIN_MASK(STD, HYST));
1122			break;
1123		/*
1124		 * The pin bias can only be one of pull-up, pull-down, or
1125		 * disable.  The user does not need to specify a value for the
1126		 * property, and the default value from pinconf-generic is
1127		 * ignored.
1128		 */
1129		case PIN_CONFIG_BIAS_DISABLE:
1130			bcm281xx_pin_update(val, mask, 0,
1131				BCM281XX_PIN_SHIFT(STD, PULL_UP),
1132				BCM281XX_PIN_MASK(STD, PULL_UP));
1133			bcm281xx_pin_update(val, mask, 0,
1134				BCM281XX_PIN_SHIFT(STD, PULL_DN),
1135				BCM281XX_PIN_MASK(STD, PULL_DN));
1136			break;
1137
1138		case PIN_CONFIG_BIAS_PULL_UP:
1139			bcm281xx_pin_update(val, mask, 1,
1140				BCM281XX_PIN_SHIFT(STD, PULL_UP),
1141				BCM281XX_PIN_MASK(STD, PULL_UP));
1142			bcm281xx_pin_update(val, mask, 0,
1143				BCM281XX_PIN_SHIFT(STD, PULL_DN),
1144				BCM281XX_PIN_MASK(STD, PULL_DN));
1145			break;
1146
1147		case PIN_CONFIG_BIAS_PULL_DOWN:
1148			bcm281xx_pin_update(val, mask, 0,
1149				BCM281XX_PIN_SHIFT(STD, PULL_UP),
1150				BCM281XX_PIN_MASK(STD, PULL_UP));
1151			bcm281xx_pin_update(val, mask, 1,
1152				BCM281XX_PIN_SHIFT(STD, PULL_DN),
1153				BCM281XX_PIN_MASK(STD, PULL_DN));
1154			break;
1155
1156		case PIN_CONFIG_SLEW_RATE:
1157			arg = (arg >= 1 ? 1 : 0);
1158			bcm281xx_pin_update(val, mask, arg,
1159				BCM281XX_PIN_SHIFT(STD, SLEW),
1160				BCM281XX_PIN_MASK(STD, SLEW));
1161			break;
1162
1163		case PIN_CONFIG_INPUT_ENABLE:
1164			/* inversed since register is for input _disable_ */
1165			arg = (arg >= 1 ? 0 : 1);
1166			bcm281xx_pin_update(val, mask, arg,
1167				BCM281XX_PIN_SHIFT(STD, INPUT_DIS),
1168				BCM281XX_PIN_MASK(STD, INPUT_DIS));
1169			break;
1170
1171		case PIN_CONFIG_DRIVE_STRENGTH:
1172			/* Valid range is 2-16 mA, even numbers only */
1173			if ((arg < 2) || (arg > 16) || (arg % 2)) {
1174				dev_err(pctldev->dev,
1175					"Invalid Drive Strength value (%d) for "
1176					"pin %s (%d). Valid values are "
1177					"(2..16) mA, even numbers only.\n",
1178					arg, pdata->pins[pin].name, pin);
1179				return -EINVAL;
1180			}
1181			bcm281xx_pin_update(val, mask, (arg/2)-1,
1182				BCM281XX_PIN_SHIFT(STD, DRV_STR),
1183				BCM281XX_PIN_MASK(STD, DRV_STR));
1184			break;
1185
1186		default:
1187			dev_err(pctldev->dev,
1188				"Unrecognized pin config %d for pin %s (%d).\n",
1189				param, pdata->pins[pin].name, pin);
1190			return -EINVAL;
1191
1192		} /* switch config */
1193	} /* for each config */
1194
1195	return 0;
1196}
1197
1198/*
1199 * The pull-up strength for an I2C pin is represented by bits 4-6 in the
1200 * register with the following mapping:
1201 *   0b000: No pull-up
1202 *   0b001: 1200 Ohm
1203 *   0b010: 1800 Ohm
1204 *   0b011: 720 Ohm
1205 *   0b100: 2700 Ohm
1206 *   0b101: 831 Ohm
1207 *   0b110: 1080 Ohm
1208 *   0b111: 568 Ohm
1209 * This array maps pull-up strength in Ohms to register values (1+index).
1210 */
1211static const u16 bcm281xx_pullup_map[] = {
1212	1200, 1800, 720, 2700, 831, 1080, 568
1213};
1214
1215/* Goes through the configs and update register val/mask */
1216static int bcm281xx_i2c_pin_update(struct pinctrl_dev *pctldev,
1217				   unsigned pin,
1218				   unsigned long *configs,
1219				   unsigned num_configs,
1220				   u32 *val,
1221				   u32 *mask)
1222{
1223	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1224	int i, j;
1225	enum pin_config_param param;
1226	u32 arg;
1227
1228	for (i = 0; i < num_configs; i++) {
1229		param = pinconf_to_config_param(configs[i]);
1230		arg = pinconf_to_config_argument(configs[i]);
1231
1232		switch (param) {
1233		case PIN_CONFIG_BIAS_PULL_UP:
1234			for (j = 0; j < ARRAY_SIZE(bcm281xx_pullup_map); j++)
1235				if (bcm281xx_pullup_map[j] == arg)
1236					break;
1237
1238			if (j == ARRAY_SIZE(bcm281xx_pullup_map)) {
1239				dev_err(pctldev->dev,
1240					"Invalid pull-up value (%d) for pin %s "
1241					"(%d). Valid values are 568, 720, 831, "
1242					"1080, 1200, 1800, 2700 Ohms.\n",
1243					arg, pdata->pins[pin].name, pin);
1244				return -EINVAL;
1245			}
1246
1247			bcm281xx_pin_update(val, mask, j+1,
1248				BCM281XX_PIN_SHIFT(I2C, PULL_UP_STR),
1249				BCM281XX_PIN_MASK(I2C, PULL_UP_STR));
1250			break;
1251
1252		case PIN_CONFIG_BIAS_DISABLE:
1253			bcm281xx_pin_update(val, mask, 0,
1254				BCM281XX_PIN_SHIFT(I2C, PULL_UP_STR),
1255				BCM281XX_PIN_MASK(I2C, PULL_UP_STR));
1256			break;
1257
1258		case PIN_CONFIG_SLEW_RATE:
1259			arg = (arg >= 1 ? 1 : 0);
1260			bcm281xx_pin_update(val, mask, arg,
1261				BCM281XX_PIN_SHIFT(I2C, SLEW),
1262				BCM281XX_PIN_MASK(I2C, SLEW));
1263			break;
1264
1265		case PIN_CONFIG_INPUT_ENABLE:
1266			/* inversed since register is for input _disable_ */
1267			arg = (arg >= 1 ? 0 : 1);
1268			bcm281xx_pin_update(val, mask, arg,
1269				BCM281XX_PIN_SHIFT(I2C, INPUT_DIS),
1270				BCM281XX_PIN_MASK(I2C, INPUT_DIS));
1271			break;
1272
1273		default:
1274			dev_err(pctldev->dev,
1275				"Unrecognized pin config %d for pin %s (%d).\n",
1276				param, pdata->pins[pin].name, pin);
1277			return -EINVAL;
1278
1279		} /* switch config */
1280	} /* for each config */
1281
1282	return 0;
1283}
1284
1285/* Goes through the configs and update register val/mask */
1286static int bcm281xx_hdmi_pin_update(struct pinctrl_dev *pctldev,
1287				    unsigned pin,
1288				    unsigned long *configs,
1289				    unsigned num_configs,
1290				    u32 *val,
1291				    u32 *mask)
1292{
1293	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1294	int i;
1295	enum pin_config_param param;
1296	u32 arg;
1297
1298	for (i = 0; i < num_configs; i++) {
1299		param = pinconf_to_config_param(configs[i]);
1300		arg = pinconf_to_config_argument(configs[i]);
1301
1302		switch (param) {
1303		case PIN_CONFIG_SLEW_RATE:
1304			arg = (arg >= 1 ? 1 : 0);
1305			bcm281xx_pin_update(val, mask, arg,
1306				BCM281XX_PIN_SHIFT(HDMI, MODE),
1307				BCM281XX_PIN_MASK(HDMI, MODE));
1308			break;
1309
1310		case PIN_CONFIG_INPUT_ENABLE:
1311			/* inversed since register is for input _disable_ */
1312			arg = (arg >= 1 ? 0 : 1);
1313			bcm281xx_pin_update(val, mask, arg,
1314				BCM281XX_PIN_SHIFT(HDMI, INPUT_DIS),
1315				BCM281XX_PIN_MASK(HDMI, INPUT_DIS));
1316			break;
1317
1318		default:
1319			dev_err(pctldev->dev,
1320				"Unrecognized pin config %d for pin %s (%d).\n",
1321				param, pdata->pins[pin].name, pin);
1322			return -EINVAL;
1323
1324		} /* switch config */
1325	} /* for each config */
1326
1327	return 0;
1328}
1329
1330static int bcm281xx_pinctrl_pin_config_set(struct pinctrl_dev *pctldev,
1331					   unsigned pin,
1332					   unsigned long *configs,
1333					   unsigned num_configs)
1334{
1335	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
1336	enum bcm281xx_pin_type pin_type;
1337	u32 offset = 4 * pin;
1338	u32 cfg_val, cfg_mask;
1339	int rc;
1340
1341	cfg_val = 0;
1342	cfg_mask = 0;
1343	pin_type = pin_type_get(pctldev, pin);
1344
1345	/* Different pins have different configuration options */
1346	switch (pin_type) {
1347	case BCM281XX_PIN_TYPE_STD:
1348		rc = bcm281xx_std_pin_update(pctldev, pin, configs,
1349			num_configs, &cfg_val, &cfg_mask);
1350		break;
1351
1352	case BCM281XX_PIN_TYPE_I2C:
1353		rc = bcm281xx_i2c_pin_update(pctldev, pin, configs,
1354			num_configs, &cfg_val, &cfg_mask);
1355		break;
1356
1357	case BCM281XX_PIN_TYPE_HDMI:
1358		rc = bcm281xx_hdmi_pin_update(pctldev, pin, configs,
1359			num_configs, &cfg_val, &cfg_mask);
1360		break;
1361
1362	default:
1363		dev_err(pctldev->dev, "Unknown pin type for pin %s (%d).\n",
1364			pdata->pins[pin].name, pin);
1365		return -EINVAL;
1366
1367	} /* switch pin type */
1368
1369	if (rc)
1370		return rc;
1371
1372	dev_dbg(pctldev->dev,
1373		"%s(): Set pin %s (%d) with config 0x%x, mask 0x%x\n",
1374		__func__, pdata->pins[pin].name, pin, cfg_val, cfg_mask);
1375
1376	rc = regmap_update_bits(pdata->regmap, offset, cfg_mask, cfg_val);
1377	if (rc) {
1378		dev_err(pctldev->dev,
1379			"Error updating register for pin %s (%d).\n",
1380			pdata->pins[pin].name, pin);
1381		return rc;
1382	}
1383
1384	return 0;
1385}
1386
1387static const struct pinconf_ops bcm281xx_pinctrl_pinconf_ops = {
1388	.pin_config_get = bcm281xx_pinctrl_pin_config_get,
1389	.pin_config_set = bcm281xx_pinctrl_pin_config_set,
1390};
1391
1392static struct pinctrl_desc bcm281xx_pinctrl_desc = {
1393	/* name, pins, npins members initialized in probe function */
1394	.pctlops = &bcm281xx_pinctrl_ops,
1395	.pmxops = &bcm281xx_pinctrl_pinmux_ops,
1396	.confops = &bcm281xx_pinctrl_pinconf_ops,
1397	.owner = THIS_MODULE,
1398};
1399
1400static int __init bcm281xx_pinctrl_probe(struct platform_device *pdev)
1401{
1402	struct bcm281xx_pinctrl_data *pdata = &bcm281xx_pinctrl;
1403	struct pinctrl_dev *pctl;
1404
1405	/* So far We can assume there is only 1 bank of registers */
1406	pdata->reg_base = devm_platform_ioremap_resource(pdev, 0);
1407	if (IS_ERR(pdata->reg_base)) {
1408		dev_err(&pdev->dev, "Failed to ioremap MEM resource\n");
1409		return PTR_ERR(pdata->reg_base);
1410	}
1411
1412	/* Initialize the dynamic part of pinctrl_desc */
1413	pdata->regmap = devm_regmap_init_mmio(&pdev->dev, pdata->reg_base,
1414		&bcm281xx_pinctrl_regmap_config);
1415	if (IS_ERR(pdata->regmap)) {
1416		dev_err(&pdev->dev, "Regmap MMIO init failed.\n");
1417		return -ENODEV;
1418	}
1419
1420	bcm281xx_pinctrl_desc.name = dev_name(&pdev->dev);
1421	bcm281xx_pinctrl_desc.pins = bcm281xx_pinctrl.pins;
1422	bcm281xx_pinctrl_desc.npins = bcm281xx_pinctrl.npins;
1423
1424	pctl = devm_pinctrl_register(&pdev->dev, &bcm281xx_pinctrl_desc, pdata);
1425	if (IS_ERR(pctl)) {
1426		dev_err(&pdev->dev, "Failed to register pinctrl\n");
1427		return PTR_ERR(pctl);
1428	}
1429
1430	platform_set_drvdata(pdev, pdata);
1431
1432	return 0;
1433}
1434
1435static const struct of_device_id bcm281xx_pinctrl_of_match[] = {
1436	{ .compatible = "brcm,bcm11351-pinctrl", },
1437	{ },
1438};
1439
1440static struct platform_driver bcm281xx_pinctrl_driver = {
1441	.driver = {
1442		.name = "bcm281xx-pinctrl",
1443		.of_match_table = bcm281xx_pinctrl_of_match,
1444	},
1445};
1446builtin_platform_driver_probe(bcm281xx_pinctrl_driver, bcm281xx_pinctrl_probe);
1447