1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  linux/drivers/pinctrl/pinmux-xway.c
4  *  based on linux/drivers/pinctrl/pinmux-pxa910.c
5  *
6  *  Copyright (C) 2012 John Crispin <john@phrozen.org>
7  *  Copyright (C) 2015 Martin Schiller <mschiller@tdt.de>
8  */
9 
10 #include <linux/err.h>
11 #include <linux/slab.h>
12 #include <linux/module.h>
13 #include <linux/of_platform.h>
14 #include <linux/of_address.h>
15 #include <linux/of_gpio.h>
16 #include <linux/ioport.h>
17 #include <linux/io.h>
18 #include <linux/device.h>
19 #include <linux/platform_device.h>
20 
21 #include "pinctrl-lantiq.h"
22 
23 #include <lantiq_soc.h>
24 
25 /* we have up to 4 banks of 16 bit each */
26 #define PINS			16
27 #define PORT3			3
28 #define PORT(x)			(x / PINS)
29 #define PORT_PIN(x)		(x % PINS)
30 
31 /* we have 2 mux bits that can be set for each pin */
32 #define MUX_ALT0	0x1
33 #define MUX_ALT1	0x2
34 
35 /*
36  * each bank has this offset apart from the 4th bank that is mixed into the
37  * other 3 ranges
38  */
39 #define REG_OFF			0x30
40 
41 /* these are the offsets to our registers */
42 #define GPIO_BASE(p)		(REG_OFF * PORT(p))
43 #define GPIO_OUT(p)		GPIO_BASE(p)
44 #define GPIO_IN(p)		(GPIO_BASE(p) + 0x04)
45 #define GPIO_DIR(p)		(GPIO_BASE(p) + 0x08)
46 #define GPIO_ALT0(p)		(GPIO_BASE(p) + 0x0C)
47 #define GPIO_ALT1(p)		(GPIO_BASE(p) + 0x10)
48 #define GPIO_OD(p)		(GPIO_BASE(p) + 0x14)
49 #define GPIO_PUDSEL(p)		(GPIO_BASE(p) + 0x1c)
50 #define GPIO_PUDEN(p)		(GPIO_BASE(p) + 0x20)
51 
52 /* the 4th port needs special offsets for some registers */
53 #define GPIO3_OD		(GPIO_BASE(0) + 0x24)
54 #define GPIO3_PUDSEL		(GPIO_BASE(0) + 0x28)
55 #define GPIO3_PUDEN		(GPIO_BASE(0) + 0x2C)
56 #define GPIO3_ALT1		(GPIO_BASE(PINS) + 0x24)
57 
58 /* macros to help us access the registers */
59 #define gpio_getbit(m, r, p)	(!!(ltq_r32(m + r) & BIT(p)))
60 #define gpio_setbit(m, r, p)	ltq_w32_mask(0, BIT(p), m + r)
61 #define gpio_clearbit(m, r, p)	ltq_w32_mask(BIT(p), 0, m + r)
62 
63 #define MFP_XWAY(a, f0, f1, f2, f3)	\
64 	{				\
65 		.name = #a,		\
66 		.pin = a,		\
67 		.func = {		\
68 			XWAY_MUX_##f0,	\
69 			XWAY_MUX_##f1,	\
70 			XWAY_MUX_##f2,	\
71 			XWAY_MUX_##f3,	\
72 		},			\
73 	}
74 
75 #define GRP_MUX(a, m, p)		\
76 	{ .name = a, .mux = XWAY_MUX_##m, .pins = p, .npins = ARRAY_SIZE(p), }
77 
78 #define FUNC_MUX(f, m)		\
79 	{ .func = f, .mux = XWAY_MUX_##m, }
80 
81 enum xway_mux {
82 	XWAY_MUX_GPIO = 0,
83 	XWAY_MUX_SPI,
84 	XWAY_MUX_ASC,
85 	XWAY_MUX_USIF,
86 	XWAY_MUX_PCI,
87 	XWAY_MUX_CBUS,
88 	XWAY_MUX_CGU,
89 	XWAY_MUX_EBU,
90 	XWAY_MUX_EBU2,
91 	XWAY_MUX_JTAG,
92 	XWAY_MUX_MCD,
93 	XWAY_MUX_EXIN,
94 	XWAY_MUX_TDM,
95 	XWAY_MUX_STP,
96 	XWAY_MUX_SIN,
97 	XWAY_MUX_GPT,
98 	XWAY_MUX_NMI,
99 	XWAY_MUX_MDIO,
100 	XWAY_MUX_MII,
101 	XWAY_MUX_EPHY,
102 	XWAY_MUX_DFE,
103 	XWAY_MUX_SDIO,
104 	XWAY_MUX_GPHY,
105 	XWAY_MUX_SSI,
106 	XWAY_MUX_WIFI,
107 	XWAY_MUX_NONE = 0xffff,
108 };
109 
110 /* ---------  ase related code --------- */
111 #define ASE_MAX_PIN		32
112 
113 static const struct ltq_mfp_pin ase_mfp[] = {
114 	/*       pin    f0	f1	f2	f3   */
115 	MFP_XWAY(GPIO0, GPIO,	EXIN,	MII,	TDM),
116 	MFP_XWAY(GPIO1, GPIO,	STP,	DFE,	EBU),
117 	MFP_XWAY(GPIO2, GPIO,	STP,	DFE,	EPHY),
118 	MFP_XWAY(GPIO3, GPIO,	STP,	EPHY,	EBU),
119 	MFP_XWAY(GPIO4, GPIO,	GPT,	EPHY,	MII),
120 	MFP_XWAY(GPIO5, GPIO,	MII,	ASC,	GPT),
121 	MFP_XWAY(GPIO6, GPIO,	MII,	ASC,	EXIN),
122 	MFP_XWAY(GPIO7, GPIO,	SPI,	MII,	JTAG),
123 	MFP_XWAY(GPIO8, GPIO,	SPI,	MII,	JTAG),
124 	MFP_XWAY(GPIO9, GPIO,	SPI,	MII,	JTAG),
125 	MFP_XWAY(GPIO10, GPIO,	SPI,	MII,	JTAG),
126 	MFP_XWAY(GPIO11, GPIO,	EBU,	CGU,	JTAG),
127 	MFP_XWAY(GPIO12, GPIO,	EBU,	MII,	SDIO),
128 	MFP_XWAY(GPIO13, GPIO,	EBU,	MII,	CGU),
129 	MFP_XWAY(GPIO14, GPIO,	EBU,	SPI,	CGU),
130 	MFP_XWAY(GPIO15, GPIO,	EBU,	SPI,	SDIO),
131 	MFP_XWAY(GPIO16, GPIO,	NONE,	NONE,	NONE),
132 	MFP_XWAY(GPIO17, GPIO,	NONE,	NONE,	NONE),
133 	MFP_XWAY(GPIO18, GPIO,	NONE,	NONE,	NONE),
134 	MFP_XWAY(GPIO19, GPIO,	EBU,	MII,	SDIO),
135 	MFP_XWAY(GPIO20, GPIO,	EBU,	MII,	SDIO),
136 	MFP_XWAY(GPIO21, GPIO,	EBU,	MII,	EBU2),
137 	MFP_XWAY(GPIO22, GPIO,	EBU,	MII,	CGU),
138 	MFP_XWAY(GPIO23, GPIO,	EBU,	MII,	CGU),
139 	MFP_XWAY(GPIO24, GPIO,	EBU,	EBU2,	MDIO),
140 	MFP_XWAY(GPIO25, GPIO,	EBU,	MII,	GPT),
141 	MFP_XWAY(GPIO26, GPIO,	EBU,	MII,	SDIO),
142 	MFP_XWAY(GPIO27, GPIO,	EBU,	NONE,	MDIO),
143 	MFP_XWAY(GPIO28, GPIO,	MII,	EBU,	SDIO),
144 	MFP_XWAY(GPIO29, GPIO,	EBU,	MII,	EXIN),
145 	MFP_XWAY(GPIO30, GPIO,	NONE,	NONE,	NONE),
146 	MFP_XWAY(GPIO31, GPIO,	NONE,	NONE,	NONE),
147 };
148 
149 static const unsigned ase_exin_pin_map[] = {GPIO6, GPIO29, GPIO0};
150 
151 static const unsigned ase_pins_exin0[] = {GPIO6};
152 static const unsigned ase_pins_exin1[] = {GPIO29};
153 static const unsigned ase_pins_exin2[] = {GPIO0};
154 
155 static const unsigned ase_pins_jtag[] = {GPIO7, GPIO8, GPIO9, GPIO10, GPIO11};
156 static const unsigned ase_pins_asc[] = {GPIO5, GPIO6};
157 static const unsigned ase_pins_stp[] = {GPIO1, GPIO2, GPIO3};
158 static const unsigned ase_pins_mdio[] = {GPIO24, GPIO27};
159 static const unsigned ase_pins_ephy_led0[] = {GPIO2};
160 static const unsigned ase_pins_ephy_led1[] = {GPIO3};
161 static const unsigned ase_pins_ephy_led2[] = {GPIO4};
162 static const unsigned ase_pins_dfe_led0[] = {GPIO1};
163 static const unsigned ase_pins_dfe_led1[] = {GPIO2};
164 
165 static const unsigned ase_pins_spi[] = {GPIO8, GPIO9, GPIO10}; /* DEPRECATED */
166 static const unsigned ase_pins_spi_di[] = {GPIO8};
167 static const unsigned ase_pins_spi_do[] = {GPIO9};
168 static const unsigned ase_pins_spi_clk[] = {GPIO10};
169 static const unsigned ase_pins_spi_cs1[] = {GPIO7};
170 static const unsigned ase_pins_spi_cs2[] = {GPIO15};
171 static const unsigned ase_pins_spi_cs3[] = {GPIO14};
172 
173 static const unsigned ase_pins_gpt1[] = {GPIO5};
174 static const unsigned ase_pins_gpt2[] = {GPIO4};
175 static const unsigned ase_pins_gpt3[] = {GPIO25};
176 
177 static const unsigned ase_pins_clkout0[] = {GPIO23};
178 static const unsigned ase_pins_clkout1[] = {GPIO22};
179 static const unsigned ase_pins_clkout2[] = {GPIO14};
180 
181 static const struct ltq_pin_group ase_grps[] = {
182 	GRP_MUX("exin0", EXIN, ase_pins_exin0),
183 	GRP_MUX("exin1", EXIN, ase_pins_exin1),
184 	GRP_MUX("exin2", EXIN, ase_pins_exin2),
185 	GRP_MUX("jtag", JTAG, ase_pins_jtag),
186 	GRP_MUX("spi", SPI, ase_pins_spi), /* DEPRECATED */
187 	GRP_MUX("spi_di", SPI, ase_pins_spi_di),
188 	GRP_MUX("spi_do", SPI, ase_pins_spi_do),
189 	GRP_MUX("spi_clk", SPI, ase_pins_spi_clk),
190 	GRP_MUX("spi_cs1", SPI, ase_pins_spi_cs1),
191 	GRP_MUX("spi_cs2", SPI, ase_pins_spi_cs2),
192 	GRP_MUX("spi_cs3", SPI, ase_pins_spi_cs3),
193 	GRP_MUX("asc", ASC, ase_pins_asc),
194 	GRP_MUX("stp", STP, ase_pins_stp),
195 	GRP_MUX("gpt1", GPT, ase_pins_gpt1),
196 	GRP_MUX("gpt2", GPT, ase_pins_gpt2),
197 	GRP_MUX("gpt3", GPT, ase_pins_gpt3),
198 	GRP_MUX("clkout0", CGU, ase_pins_clkout0),
199 	GRP_MUX("clkout1", CGU, ase_pins_clkout1),
200 	GRP_MUX("clkout2", CGU, ase_pins_clkout2),
201 	GRP_MUX("mdio", MDIO, ase_pins_mdio),
202 	GRP_MUX("dfe led0", DFE, ase_pins_dfe_led0),
203 	GRP_MUX("dfe led1", DFE, ase_pins_dfe_led1),
204 	GRP_MUX("ephy led0", EPHY, ase_pins_ephy_led0),
205 	GRP_MUX("ephy led1", EPHY, ase_pins_ephy_led1),
206 	GRP_MUX("ephy led2", EPHY, ase_pins_ephy_led2),
207 };
208 
209 static const char * const ase_exin_grps[] = {"exin0", "exin1", "exin2"};
210 static const char * const ase_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
211 static const char * const ase_cgu_grps[] = {"clkout0", "clkout1",
212 						"clkout2"};
213 static const char * const ase_mdio_grps[] = {"mdio"};
214 static const char * const ase_dfe_grps[] = {"dfe led0", "dfe led1"};
215 static const char * const ase_ephy_grps[] = {"ephy led0", "ephy led1",
216 						"ephy led2"};
217 static const char * const ase_asc_grps[] = {"asc"};
218 static const char * const ase_jtag_grps[] = {"jtag"};
219 static const char * const ase_stp_grps[] = {"stp"};
220 static const char * const ase_spi_grps[] = {"spi",  /* DEPRECATED */
221 						"spi_di", "spi_do",
222 						"spi_clk", "spi_cs1",
223 						"spi_cs2", "spi_cs3"};
224 
225 static const struct ltq_pmx_func ase_funcs[] = {
226 	{"spi",		ARRAY_AND_SIZE(ase_spi_grps)},
227 	{"asc",		ARRAY_AND_SIZE(ase_asc_grps)},
228 	{"cgu",		ARRAY_AND_SIZE(ase_cgu_grps)},
229 	{"jtag",	ARRAY_AND_SIZE(ase_jtag_grps)},
230 	{"exin",	ARRAY_AND_SIZE(ase_exin_grps)},
231 	{"stp",		ARRAY_AND_SIZE(ase_stp_grps)},
232 	{"gpt",		ARRAY_AND_SIZE(ase_gpt_grps)},
233 	{"mdio",	ARRAY_AND_SIZE(ase_mdio_grps)},
234 	{"ephy",	ARRAY_AND_SIZE(ase_ephy_grps)},
235 	{"dfe",		ARRAY_AND_SIZE(ase_dfe_grps)},
236 };
237 
238 /* ---------  danube related code --------- */
239 #define DANUBE_MAX_PIN		32
240 
241 static const struct ltq_mfp_pin danube_mfp[] = {
242 	/*       pin    f0	f1	f2	f3   */
243 	MFP_XWAY(GPIO0, GPIO,	EXIN,	SDIO,	TDM),
244 	MFP_XWAY(GPIO1, GPIO,	EXIN,	CBUS,	MII),
245 	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	MII),
246 	MFP_XWAY(GPIO3, GPIO,	CGU,	SDIO,	PCI),
247 	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	ASC),
248 	MFP_XWAY(GPIO5, GPIO,	STP,	MII,	DFE),
249 	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	ASC),
250 	MFP_XWAY(GPIO7, GPIO,	CGU,	CBUS,	MII),
251 	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	MII),
252 	MFP_XWAY(GPIO9, GPIO,	ASC,	SPI,	MII),
253 	MFP_XWAY(GPIO10, GPIO,	ASC,	SPI,	MII),
254 	MFP_XWAY(GPIO11, GPIO,	ASC,	CBUS,	SPI),
255 	MFP_XWAY(GPIO12, GPIO,	ASC,	CBUS,	MCD),
256 	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	MII),
257 	MFP_XWAY(GPIO14, GPIO,	CGU,	CBUS,	MII),
258 	MFP_XWAY(GPIO15, GPIO,	SPI,	SDIO,	JTAG),
259 	MFP_XWAY(GPIO16, GPIO,	SPI,	SDIO,	JTAG),
260 	MFP_XWAY(GPIO17, GPIO,	SPI,	SDIO,	JTAG),
261 	MFP_XWAY(GPIO18, GPIO,	SPI,	SDIO,	JTAG),
262 	MFP_XWAY(GPIO19, GPIO,	PCI,	SDIO,	MII),
263 	MFP_XWAY(GPIO20, GPIO,	JTAG,	SDIO,	MII),
264 	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
265 	MFP_XWAY(GPIO22, GPIO,	SPI,	MCD,	MII),
266 	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
267 	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
268 	MFP_XWAY(GPIO25, GPIO,	TDM,	SDIO,	ASC),
269 	MFP_XWAY(GPIO26, GPIO,	EBU,	TDM,	SDIO),
270 	MFP_XWAY(GPIO27, GPIO,	TDM,	SDIO,	ASC),
271 	MFP_XWAY(GPIO28, GPIO,	GPT,	MII,	SDIO),
272 	MFP_XWAY(GPIO29, GPIO,	PCI,	CBUS,	MII),
273 	MFP_XWAY(GPIO30, GPIO,	PCI,	CBUS,	MII),
274 	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	MII),
275 };
276 
277 static const unsigned danube_exin_pin_map[] = {GPIO0, GPIO1, GPIO2};
278 
279 static const unsigned danube_pins_exin0[] = {GPIO0};
280 static const unsigned danube_pins_exin1[] = {GPIO1};
281 static const unsigned danube_pins_exin2[] = {GPIO2};
282 
283 static const unsigned danube_pins_jtag[] = {GPIO15, GPIO16, GPIO17, GPIO18, GPIO20};
284 static const unsigned danube_pins_asc0[] = {GPIO11, GPIO12};
285 static const unsigned danube_pins_asc0_cts_rts[] = {GPIO9, GPIO10};
286 static const unsigned danube_pins_stp[] = {GPIO4, GPIO5, GPIO6};
287 static const unsigned danube_pins_nmi[] = {GPIO8};
288 
289 static const unsigned danube_pins_dfe_led0[] = {GPIO4};
290 static const unsigned danube_pins_dfe_led1[] = {GPIO5};
291 
292 static const unsigned danube_pins_ebu_a24[] = {GPIO13};
293 static const unsigned danube_pins_ebu_clk[] = {GPIO21};
294 static const unsigned danube_pins_ebu_cs1[] = {GPIO23};
295 static const unsigned danube_pins_ebu_a23[] = {GPIO24};
296 static const unsigned danube_pins_ebu_wait[] = {GPIO26};
297 static const unsigned danube_pins_ebu_a25[] = {GPIO31};
298 
299 static const unsigned danube_pins_nand_ale[] = {GPIO13};
300 static const unsigned danube_pins_nand_cs1[] = {GPIO23};
301 static const unsigned danube_pins_nand_cle[] = {GPIO24};
302 
303 static const unsigned danube_pins_spi[] = {GPIO16, GPIO17, GPIO18}; /* DEPRECATED */
304 static const unsigned danube_pins_spi_di[] = {GPIO16};
305 static const unsigned danube_pins_spi_do[] = {GPIO17};
306 static const unsigned danube_pins_spi_clk[] = {GPIO18};
307 static const unsigned danube_pins_spi_cs1[] = {GPIO15};
308 static const unsigned danube_pins_spi_cs2[] = {GPIO21};
309 static const unsigned danube_pins_spi_cs3[] = {GPIO13};
310 static const unsigned danube_pins_spi_cs4[] = {GPIO10};
311 static const unsigned danube_pins_spi_cs5[] = {GPIO9};
312 static const unsigned danube_pins_spi_cs6[] = {GPIO11};
313 
314 static const unsigned danube_pins_gpt1[] = {GPIO28};
315 static const unsigned danube_pins_gpt2[] = {GPIO21};
316 static const unsigned danube_pins_gpt3[] = {GPIO6};
317 
318 static const unsigned danube_pins_clkout0[] = {GPIO8};
319 static const unsigned danube_pins_clkout1[] = {GPIO7};
320 static const unsigned danube_pins_clkout2[] = {GPIO3};
321 static const unsigned danube_pins_clkout3[] = {GPIO2};
322 
323 static const unsigned danube_pins_pci_gnt1[] = {GPIO30};
324 static const unsigned danube_pins_pci_gnt2[] = {GPIO23};
325 static const unsigned danube_pins_pci_gnt3[] = {GPIO19};
326 static const unsigned danube_pins_pci_req1[] = {GPIO29};
327 static const unsigned danube_pins_pci_req2[] = {GPIO31};
328 static const unsigned danube_pins_pci_req3[] = {GPIO3};
329 
330 static const struct ltq_pin_group danube_grps[] = {
331 	GRP_MUX("exin0", EXIN, danube_pins_exin0),
332 	GRP_MUX("exin1", EXIN, danube_pins_exin1),
333 	GRP_MUX("exin2", EXIN, danube_pins_exin2),
334 	GRP_MUX("jtag", JTAG, danube_pins_jtag),
335 	GRP_MUX("ebu a23", EBU, danube_pins_ebu_a23),
336 	GRP_MUX("ebu a24", EBU, danube_pins_ebu_a24),
337 	GRP_MUX("ebu a25", EBU, danube_pins_ebu_a25),
338 	GRP_MUX("ebu clk", EBU, danube_pins_ebu_clk),
339 	GRP_MUX("ebu cs1", EBU, danube_pins_ebu_cs1),
340 	GRP_MUX("ebu wait", EBU, danube_pins_ebu_wait),
341 	GRP_MUX("nand ale", EBU, danube_pins_nand_ale),
342 	GRP_MUX("nand cs1", EBU, danube_pins_nand_cs1),
343 	GRP_MUX("nand cle", EBU, danube_pins_nand_cle),
344 	GRP_MUX("spi", SPI, danube_pins_spi), /* DEPRECATED */
345 	GRP_MUX("spi_di", SPI, danube_pins_spi_di),
346 	GRP_MUX("spi_do", SPI, danube_pins_spi_do),
347 	GRP_MUX("spi_clk", SPI, danube_pins_spi_clk),
348 	GRP_MUX("spi_cs1", SPI, danube_pins_spi_cs1),
349 	GRP_MUX("spi_cs2", SPI, danube_pins_spi_cs2),
350 	GRP_MUX("spi_cs3", SPI, danube_pins_spi_cs3),
351 	GRP_MUX("spi_cs4", SPI, danube_pins_spi_cs4),
352 	GRP_MUX("spi_cs5", SPI, danube_pins_spi_cs5),
353 	GRP_MUX("spi_cs6", SPI, danube_pins_spi_cs6),
354 	GRP_MUX("asc0", ASC, danube_pins_asc0),
355 	GRP_MUX("asc0 cts rts", ASC, danube_pins_asc0_cts_rts),
356 	GRP_MUX("stp", STP, danube_pins_stp),
357 	GRP_MUX("nmi", NMI, danube_pins_nmi),
358 	GRP_MUX("gpt1", GPT, danube_pins_gpt1),
359 	GRP_MUX("gpt2", GPT, danube_pins_gpt2),
360 	GRP_MUX("gpt3", GPT, danube_pins_gpt3),
361 	GRP_MUX("clkout0", CGU, danube_pins_clkout0),
362 	GRP_MUX("clkout1", CGU, danube_pins_clkout1),
363 	GRP_MUX("clkout2", CGU, danube_pins_clkout2),
364 	GRP_MUX("clkout3", CGU, danube_pins_clkout3),
365 	GRP_MUX("gnt1", PCI, danube_pins_pci_gnt1),
366 	GRP_MUX("gnt2", PCI, danube_pins_pci_gnt2),
367 	GRP_MUX("gnt3", PCI, danube_pins_pci_gnt3),
368 	GRP_MUX("req1", PCI, danube_pins_pci_req1),
369 	GRP_MUX("req2", PCI, danube_pins_pci_req2),
370 	GRP_MUX("req3", PCI, danube_pins_pci_req3),
371 	GRP_MUX("dfe led0", DFE, danube_pins_dfe_led0),
372 	GRP_MUX("dfe led1", DFE, danube_pins_dfe_led1),
373 };
374 
375 static const char * const danube_pci_grps[] = {"gnt1", "gnt2",
376 						"gnt3", "req1",
377 						"req2", "req3"};
378 static const char * const danube_spi_grps[] = {"spi", /* DEPRECATED */
379 						"spi_di", "spi_do",
380 						"spi_clk", "spi_cs1",
381 						"spi_cs2", "spi_cs3",
382 						"spi_cs4", "spi_cs5",
383 						"spi_cs6"};
384 static const char * const danube_cgu_grps[] = {"clkout0", "clkout1",
385 						"clkout2", "clkout3"};
386 static const char * const danube_ebu_grps[] = {"ebu a23", "ebu a24",
387 						"ebu a25", "ebu cs1",
388 						"ebu wait", "ebu clk",
389 						"nand ale", "nand cs1",
390 						"nand cle"};
391 static const char * const danube_dfe_grps[] = {"dfe led0", "dfe led1"};
392 static const char * const danube_exin_grps[] = {"exin0", "exin1", "exin2"};
393 static const char * const danube_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
394 static const char * const danube_asc_grps[] = {"asc0", "asc0 cts rts"};
395 static const char * const danube_jtag_grps[] = {"jtag"};
396 static const char * const danube_stp_grps[] = {"stp"};
397 static const char * const danube_nmi_grps[] = {"nmi"};
398 
399 static const struct ltq_pmx_func danube_funcs[] = {
400 	{"spi",		ARRAY_AND_SIZE(danube_spi_grps)},
401 	{"asc",		ARRAY_AND_SIZE(danube_asc_grps)},
402 	{"cgu",		ARRAY_AND_SIZE(danube_cgu_grps)},
403 	{"jtag",	ARRAY_AND_SIZE(danube_jtag_grps)},
404 	{"exin",	ARRAY_AND_SIZE(danube_exin_grps)},
405 	{"stp",		ARRAY_AND_SIZE(danube_stp_grps)},
406 	{"gpt",		ARRAY_AND_SIZE(danube_gpt_grps)},
407 	{"nmi",		ARRAY_AND_SIZE(danube_nmi_grps)},
408 	{"pci",		ARRAY_AND_SIZE(danube_pci_grps)},
409 	{"ebu",		ARRAY_AND_SIZE(danube_ebu_grps)},
410 	{"dfe",		ARRAY_AND_SIZE(danube_dfe_grps)},
411 };
412 
413 /* ---------  xrx100 related code --------- */
414 #define XRX100_MAX_PIN		56
415 
416 static const struct ltq_mfp_pin xrx100_mfp[] = {
417 	/*       pin    f0	f1	f2	f3   */
418 	MFP_XWAY(GPIO0, GPIO,	EXIN,	SDIO,	TDM),
419 	MFP_XWAY(GPIO1, GPIO,	EXIN,	CBUS,	SIN),
420 	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	NONE),
421 	MFP_XWAY(GPIO3, GPIO,	CGU,	SDIO,	PCI),
422 	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	ASC),
423 	MFP_XWAY(GPIO5, GPIO,	STP,	NONE,	DFE),
424 	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	ASC),
425 	MFP_XWAY(GPIO7, GPIO,	CGU,	CBUS,	NONE),
426 	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	NONE),
427 	MFP_XWAY(GPIO9, GPIO,	ASC,	SPI,	EXIN),
428 	MFP_XWAY(GPIO10, GPIO,	ASC,	SPI,	EXIN),
429 	MFP_XWAY(GPIO11, GPIO,	ASC,	CBUS,	SPI),
430 	MFP_XWAY(GPIO12, GPIO,	ASC,	CBUS,	MCD),
431 	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	NONE),
432 	MFP_XWAY(GPIO14, GPIO,	CGU,	NONE,	NONE),
433 	MFP_XWAY(GPIO15, GPIO,	SPI,	SDIO,	MCD),
434 	MFP_XWAY(GPIO16, GPIO,	SPI,	SDIO,	NONE),
435 	MFP_XWAY(GPIO17, GPIO,	SPI,	SDIO,	NONE),
436 	MFP_XWAY(GPIO18, GPIO,	SPI,	SDIO,	NONE),
437 	MFP_XWAY(GPIO19, GPIO,	PCI,	SDIO,	CGU),
438 	MFP_XWAY(GPIO20, GPIO,	NONE,	SDIO,	EBU),
439 	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
440 	MFP_XWAY(GPIO22, GPIO,	SPI,	NONE,	EBU),
441 	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
442 	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
443 	MFP_XWAY(GPIO25, GPIO,	TDM,	SDIO,	ASC),
444 	MFP_XWAY(GPIO26, GPIO,	EBU,	TDM,	SDIO),
445 	MFP_XWAY(GPIO27, GPIO,	TDM,	SDIO,	ASC),
446 	MFP_XWAY(GPIO28, GPIO,	GPT,	NONE,	SDIO),
447 	MFP_XWAY(GPIO29, GPIO,	PCI,	CBUS,	NONE),
448 	MFP_XWAY(GPIO30, GPIO,	PCI,	CBUS,	NONE),
449 	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	NONE),
450 	MFP_XWAY(GPIO32, GPIO,	MII,	NONE,	EBU),
451 	MFP_XWAY(GPIO33, GPIO,	MII,	NONE,	EBU),
452 	MFP_XWAY(GPIO34, GPIO,	SIN,	SSI,	NONE),
453 	MFP_XWAY(GPIO35, GPIO,	SIN,	SSI,	NONE),
454 	MFP_XWAY(GPIO36, GPIO,	SIN,	SSI,	NONE),
455 	MFP_XWAY(GPIO37, GPIO,	PCI,	NONE,	NONE),
456 	MFP_XWAY(GPIO38, GPIO,	PCI,	NONE,	NONE),
457 	MFP_XWAY(GPIO39, GPIO,	NONE,	EXIN,	NONE),
458 	MFP_XWAY(GPIO40, GPIO,	MII,	TDM,	NONE),
459 	MFP_XWAY(GPIO41, GPIO,	MII,	TDM,	NONE),
460 	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
461 	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
462 	MFP_XWAY(GPIO44, GPIO,	MII,	SIN,	NONE),
463 	MFP_XWAY(GPIO45, GPIO,	MII,	NONE,	SIN),
464 	MFP_XWAY(GPIO46, GPIO,	MII,	NONE,	EXIN),
465 	MFP_XWAY(GPIO47, GPIO,	MII,	NONE,	SIN),
466 	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
467 	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
468 	MFP_XWAY(GPIO50, GPIO,	NONE,	NONE,	NONE),
469 	MFP_XWAY(GPIO51, GPIO,	NONE,	NONE,	NONE),
470 	MFP_XWAY(GPIO52, GPIO,	NONE,	NONE,	NONE),
471 	MFP_XWAY(GPIO53, GPIO,	NONE,	NONE,	NONE),
472 	MFP_XWAY(GPIO54, GPIO,	NONE,	NONE,	NONE),
473 	MFP_XWAY(GPIO55, GPIO,	NONE,	NONE,	NONE),
474 };
475 
476 static const unsigned xrx100_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO10, GPIO9};
477 
478 static const unsigned xrx100_pins_exin0[] = {GPIO0};
479 static const unsigned xrx100_pins_exin1[] = {GPIO1};
480 static const unsigned xrx100_pins_exin2[] = {GPIO2};
481 static const unsigned xrx100_pins_exin3[] = {GPIO39};
482 static const unsigned xrx100_pins_exin4[] = {GPIO10};
483 static const unsigned xrx100_pins_exin5[] = {GPIO9};
484 
485 static const unsigned xrx100_pins_asc0[] = {GPIO11, GPIO12};
486 static const unsigned xrx100_pins_asc0_cts_rts[] = {GPIO9, GPIO10};
487 static const unsigned xrx100_pins_stp[] = {GPIO4, GPIO5, GPIO6};
488 static const unsigned xrx100_pins_nmi[] = {GPIO8};
489 static const unsigned xrx100_pins_mdio[] = {GPIO42, GPIO43};
490 
491 static const unsigned xrx100_pins_dfe_led0[] = {GPIO4};
492 static const unsigned xrx100_pins_dfe_led1[] = {GPIO5};
493 
494 static const unsigned xrx100_pins_ebu_a24[] = {GPIO13};
495 static const unsigned xrx100_pins_ebu_clk[] = {GPIO21};
496 static const unsigned xrx100_pins_ebu_cs1[] = {GPIO23};
497 static const unsigned xrx100_pins_ebu_a23[] = {GPIO24};
498 static const unsigned xrx100_pins_ebu_wait[] = {GPIO26};
499 static const unsigned xrx100_pins_ebu_a25[] = {GPIO31};
500 
501 static const unsigned xrx100_pins_nand_ale[] = {GPIO13};
502 static const unsigned xrx100_pins_nand_cs1[] = {GPIO23};
503 static const unsigned xrx100_pins_nand_cle[] = {GPIO24};
504 static const unsigned xrx100_pins_nand_rdy[] = {GPIO48};
505 static const unsigned xrx100_pins_nand_rd[] = {GPIO49};
506 
507 static const unsigned xrx100_pins_spi_di[] = {GPIO16};
508 static const unsigned xrx100_pins_spi_do[] = {GPIO17};
509 static const unsigned xrx100_pins_spi_clk[] = {GPIO18};
510 static const unsigned xrx100_pins_spi_cs1[] = {GPIO15};
511 static const unsigned xrx100_pins_spi_cs2[] = {GPIO22};
512 static const unsigned xrx100_pins_spi_cs3[] = {GPIO13};
513 static const unsigned xrx100_pins_spi_cs4[] = {GPIO10};
514 static const unsigned xrx100_pins_spi_cs5[] = {GPIO9};
515 static const unsigned xrx100_pins_spi_cs6[] = {GPIO11};
516 
517 static const unsigned xrx100_pins_gpt1[] = {GPIO28};
518 static const unsigned xrx100_pins_gpt2[] = {GPIO21};
519 static const unsigned xrx100_pins_gpt3[] = {GPIO6};
520 
521 static const unsigned xrx100_pins_clkout0[] = {GPIO8};
522 static const unsigned xrx100_pins_clkout1[] = {GPIO7};
523 static const unsigned xrx100_pins_clkout2[] = {GPIO3};
524 static const unsigned xrx100_pins_clkout3[] = {GPIO2};
525 
526 static const unsigned xrx100_pins_pci_gnt1[] = {GPIO30};
527 static const unsigned xrx100_pins_pci_gnt2[] = {GPIO23};
528 static const unsigned xrx100_pins_pci_gnt3[] = {GPIO19};
529 static const unsigned xrx100_pins_pci_gnt4[] = {GPIO38};
530 static const unsigned xrx100_pins_pci_req1[] = {GPIO29};
531 static const unsigned xrx100_pins_pci_req2[] = {GPIO31};
532 static const unsigned xrx100_pins_pci_req3[] = {GPIO3};
533 static const unsigned xrx100_pins_pci_req4[] = {GPIO37};
534 
535 static const struct ltq_pin_group xrx100_grps[] = {
536 	GRP_MUX("exin0", EXIN, xrx100_pins_exin0),
537 	GRP_MUX("exin1", EXIN, xrx100_pins_exin1),
538 	GRP_MUX("exin2", EXIN, xrx100_pins_exin2),
539 	GRP_MUX("exin3", EXIN, xrx100_pins_exin3),
540 	GRP_MUX("exin4", EXIN, xrx100_pins_exin4),
541 	GRP_MUX("exin5", EXIN, xrx100_pins_exin5),
542 	GRP_MUX("ebu a23", EBU, xrx100_pins_ebu_a23),
543 	GRP_MUX("ebu a24", EBU, xrx100_pins_ebu_a24),
544 	GRP_MUX("ebu a25", EBU, xrx100_pins_ebu_a25),
545 	GRP_MUX("ebu clk", EBU, xrx100_pins_ebu_clk),
546 	GRP_MUX("ebu cs1", EBU, xrx100_pins_ebu_cs1),
547 	GRP_MUX("ebu wait", EBU, xrx100_pins_ebu_wait),
548 	GRP_MUX("nand ale", EBU, xrx100_pins_nand_ale),
549 	GRP_MUX("nand cs1", EBU, xrx100_pins_nand_cs1),
550 	GRP_MUX("nand cle", EBU, xrx100_pins_nand_cle),
551 	GRP_MUX("nand rdy", EBU, xrx100_pins_nand_rdy),
552 	GRP_MUX("nand rd", EBU, xrx100_pins_nand_rd),
553 	GRP_MUX("spi_di", SPI, xrx100_pins_spi_di),
554 	GRP_MUX("spi_do", SPI, xrx100_pins_spi_do),
555 	GRP_MUX("spi_clk", SPI, xrx100_pins_spi_clk),
556 	GRP_MUX("spi_cs1", SPI, xrx100_pins_spi_cs1),
557 	GRP_MUX("spi_cs2", SPI, xrx100_pins_spi_cs2),
558 	GRP_MUX("spi_cs3", SPI, xrx100_pins_spi_cs3),
559 	GRP_MUX("spi_cs4", SPI, xrx100_pins_spi_cs4),
560 	GRP_MUX("spi_cs5", SPI, xrx100_pins_spi_cs5),
561 	GRP_MUX("spi_cs6", SPI, xrx100_pins_spi_cs6),
562 	GRP_MUX("asc0", ASC, xrx100_pins_asc0),
563 	GRP_MUX("asc0 cts rts", ASC, xrx100_pins_asc0_cts_rts),
564 	GRP_MUX("stp", STP, xrx100_pins_stp),
565 	GRP_MUX("nmi", NMI, xrx100_pins_nmi),
566 	GRP_MUX("gpt1", GPT, xrx100_pins_gpt1),
567 	GRP_MUX("gpt2", GPT, xrx100_pins_gpt2),
568 	GRP_MUX("gpt3", GPT, xrx100_pins_gpt3),
569 	GRP_MUX("clkout0", CGU, xrx100_pins_clkout0),
570 	GRP_MUX("clkout1", CGU, xrx100_pins_clkout1),
571 	GRP_MUX("clkout2", CGU, xrx100_pins_clkout2),
572 	GRP_MUX("clkout3", CGU, xrx100_pins_clkout3),
573 	GRP_MUX("gnt1", PCI, xrx100_pins_pci_gnt1),
574 	GRP_MUX("gnt2", PCI, xrx100_pins_pci_gnt2),
575 	GRP_MUX("gnt3", PCI, xrx100_pins_pci_gnt3),
576 	GRP_MUX("gnt4", PCI, xrx100_pins_pci_gnt4),
577 	GRP_MUX("req1", PCI, xrx100_pins_pci_req1),
578 	GRP_MUX("req2", PCI, xrx100_pins_pci_req2),
579 	GRP_MUX("req3", PCI, xrx100_pins_pci_req3),
580 	GRP_MUX("req4", PCI, xrx100_pins_pci_req4),
581 	GRP_MUX("mdio", MDIO, xrx100_pins_mdio),
582 	GRP_MUX("dfe led0", DFE, xrx100_pins_dfe_led0),
583 	GRP_MUX("dfe led1", DFE, xrx100_pins_dfe_led1),
584 };
585 
586 static const char * const xrx100_pci_grps[] = {"gnt1", "gnt2",
587 						"gnt3", "gnt4",
588 						"req1", "req2",
589 						"req3", "req4"};
590 static const char * const xrx100_spi_grps[] = {"spi_di", "spi_do",
591 						"spi_clk", "spi_cs1",
592 						"spi_cs2", "spi_cs3",
593 						"spi_cs4", "spi_cs5",
594 						"spi_cs6"};
595 static const char * const xrx100_cgu_grps[] = {"clkout0", "clkout1",
596 						"clkout2", "clkout3"};
597 static const char * const xrx100_ebu_grps[] = {"ebu a23", "ebu a24",
598 						"ebu a25", "ebu cs1",
599 						"ebu wait", "ebu clk",
600 						"nand ale", "nand cs1",
601 						"nand cle", "nand rdy",
602 						"nand rd"};
603 static const char * const xrx100_exin_grps[] = {"exin0", "exin1", "exin2",
604 						"exin3", "exin4", "exin5"};
605 static const char * const xrx100_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
606 static const char * const xrx100_asc_grps[] = {"asc0", "asc0 cts rts"};
607 static const char * const xrx100_stp_grps[] = {"stp"};
608 static const char * const xrx100_nmi_grps[] = {"nmi"};
609 static const char * const xrx100_mdio_grps[] = {"mdio"};
610 static const char * const xrx100_dfe_grps[] = {"dfe led0", "dfe led1"};
611 
612 static const struct ltq_pmx_func xrx100_funcs[] = {
613 	{"spi",		ARRAY_AND_SIZE(xrx100_spi_grps)},
614 	{"asc",		ARRAY_AND_SIZE(xrx100_asc_grps)},
615 	{"cgu",		ARRAY_AND_SIZE(xrx100_cgu_grps)},
616 	{"exin",	ARRAY_AND_SIZE(xrx100_exin_grps)},
617 	{"stp",		ARRAY_AND_SIZE(xrx100_stp_grps)},
618 	{"gpt",		ARRAY_AND_SIZE(xrx100_gpt_grps)},
619 	{"nmi",		ARRAY_AND_SIZE(xrx100_nmi_grps)},
620 	{"pci",		ARRAY_AND_SIZE(xrx100_pci_grps)},
621 	{"ebu",		ARRAY_AND_SIZE(xrx100_ebu_grps)},
622 	{"mdio",	ARRAY_AND_SIZE(xrx100_mdio_grps)},
623 	{"dfe",		ARRAY_AND_SIZE(xrx100_dfe_grps)},
624 };
625 
626 /* ---------  xrx200 related code --------- */
627 #define XRX200_MAX_PIN		50
628 
629 static const struct ltq_mfp_pin xrx200_mfp[] = {
630 	/*       pin    f0	f1	f2	f3   */
631 	MFP_XWAY(GPIO0, GPIO,	EXIN,	SDIO,	TDM),
632 	MFP_XWAY(GPIO1, GPIO,	EXIN,	CBUS,	SIN),
633 	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	GPHY),
634 	MFP_XWAY(GPIO3, GPIO,	CGU,	SDIO,	PCI),
635 	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	USIF),
636 	MFP_XWAY(GPIO5, GPIO,	STP,	GPHY,	DFE),
637 	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	USIF),
638 	MFP_XWAY(GPIO7, GPIO,	CGU,	CBUS,	GPHY),
639 	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	NONE),
640 	MFP_XWAY(GPIO9, GPIO,	USIF,	SPI,	EXIN),
641 	MFP_XWAY(GPIO10, GPIO,	USIF,	SPI,	EXIN),
642 	MFP_XWAY(GPIO11, GPIO,	USIF,	CBUS,	SPI),
643 	MFP_XWAY(GPIO12, GPIO,	USIF,	CBUS,	MCD),
644 	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	NONE),
645 	MFP_XWAY(GPIO14, GPIO,	CGU,	CBUS,	USIF),
646 	MFP_XWAY(GPIO15, GPIO,	SPI,	SDIO,	MCD),
647 	MFP_XWAY(GPIO16, GPIO,	SPI,	SDIO,	NONE),
648 	MFP_XWAY(GPIO17, GPIO,	SPI,	SDIO,	NONE),
649 	MFP_XWAY(GPIO18, GPIO,	SPI,	SDIO,	NONE),
650 	MFP_XWAY(GPIO19, GPIO,	PCI,	SDIO,	CGU),
651 	MFP_XWAY(GPIO20, GPIO,	NONE,	SDIO,	EBU),
652 	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
653 	MFP_XWAY(GPIO22, GPIO,	SPI,	CGU,	EBU),
654 	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
655 	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
656 	MFP_XWAY(GPIO25, GPIO,	TDM,	SDIO,	USIF),
657 	MFP_XWAY(GPIO26, GPIO,	EBU,	TDM,	SDIO),
658 	MFP_XWAY(GPIO27, GPIO,	TDM,	SDIO,	USIF),
659 	MFP_XWAY(GPIO28, GPIO,	GPT,	PCI,	SDIO),
660 	MFP_XWAY(GPIO29, GPIO,	PCI,	CBUS,	EXIN),
661 	MFP_XWAY(GPIO30, GPIO,	PCI,	CBUS,	NONE),
662 	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	NONE),
663 	MFP_XWAY(GPIO32, GPIO,	MII,	NONE,	EBU),
664 	MFP_XWAY(GPIO33, GPIO,	MII,	NONE,	EBU),
665 	MFP_XWAY(GPIO34, GPIO,	SIN,	SSI,	NONE),
666 	MFP_XWAY(GPIO35, GPIO,	SIN,	SSI,	NONE),
667 	MFP_XWAY(GPIO36, GPIO,	SIN,	SSI,	EXIN),
668 	MFP_XWAY(GPIO37, GPIO,	USIF,	NONE,	PCI),
669 	MFP_XWAY(GPIO38, GPIO,	PCI,	USIF,	NONE),
670 	MFP_XWAY(GPIO39, GPIO,	USIF,	EXIN,	NONE),
671 	MFP_XWAY(GPIO40, GPIO,	MII,	TDM,	NONE),
672 	MFP_XWAY(GPIO41, GPIO,	MII,	TDM,	NONE),
673 	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
674 	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
675 	MFP_XWAY(GPIO44, GPIO,	MII,	SIN,	GPHY),
676 	MFP_XWAY(GPIO45, GPIO,	MII,	GPHY,	SIN),
677 	MFP_XWAY(GPIO46, GPIO,	MII,	NONE,	EXIN),
678 	MFP_XWAY(GPIO47, GPIO,	MII,	GPHY,	SIN),
679 	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
680 	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
681 };
682 
683 static const unsigned xrx200_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO10, GPIO9};
684 
685 static const unsigned xrx200_pins_exin0[] = {GPIO0};
686 static const unsigned xrx200_pins_exin1[] = {GPIO1};
687 static const unsigned xrx200_pins_exin2[] = {GPIO2};
688 static const unsigned xrx200_pins_exin3[] = {GPIO39};
689 static const unsigned xrx200_pins_exin4[] = {GPIO10};
690 static const unsigned xrx200_pins_exin5[] = {GPIO9};
691 
692 static const unsigned xrx200_pins_usif_uart_rx[] = {GPIO11};
693 static const unsigned xrx200_pins_usif_uart_tx[] = {GPIO12};
694 static const unsigned xrx200_pins_usif_uart_rts[] = {GPIO9};
695 static const unsigned xrx200_pins_usif_uart_cts[] = {GPIO10};
696 static const unsigned xrx200_pins_usif_uart_dtr[] = {GPIO4};
697 static const unsigned xrx200_pins_usif_uart_dsr[] = {GPIO6};
698 static const unsigned xrx200_pins_usif_uart_dcd[] = {GPIO25};
699 static const unsigned xrx200_pins_usif_uart_ri[] = {GPIO27};
700 
701 static const unsigned xrx200_pins_usif_spi_di[] = {GPIO11};
702 static const unsigned xrx200_pins_usif_spi_do[] = {GPIO12};
703 static const unsigned xrx200_pins_usif_spi_clk[] = {GPIO38};
704 static const unsigned xrx200_pins_usif_spi_cs0[] = {GPIO37};
705 static const unsigned xrx200_pins_usif_spi_cs1[] = {GPIO39};
706 static const unsigned xrx200_pins_usif_spi_cs2[] = {GPIO14};
707 
708 static const unsigned xrx200_pins_stp[] = {GPIO4, GPIO5, GPIO6};
709 static const unsigned xrx200_pins_nmi[] = {GPIO8};
710 static const unsigned xrx200_pins_mdio[] = {GPIO42, GPIO43};
711 
712 static const unsigned xrx200_pins_dfe_led0[] = {GPIO4};
713 static const unsigned xrx200_pins_dfe_led1[] = {GPIO5};
714 
715 static const unsigned xrx200_pins_gphy0_led0[] = {GPIO5};
716 static const unsigned xrx200_pins_gphy0_led1[] = {GPIO7};
717 static const unsigned xrx200_pins_gphy0_led2[] = {GPIO2};
718 static const unsigned xrx200_pins_gphy1_led0[] = {GPIO44};
719 static const unsigned xrx200_pins_gphy1_led1[] = {GPIO45};
720 static const unsigned xrx200_pins_gphy1_led2[] = {GPIO47};
721 
722 static const unsigned xrx200_pins_ebu_a24[] = {GPIO13};
723 static const unsigned xrx200_pins_ebu_clk[] = {GPIO21};
724 static const unsigned xrx200_pins_ebu_cs1[] = {GPIO23};
725 static const unsigned xrx200_pins_ebu_a23[] = {GPIO24};
726 static const unsigned xrx200_pins_ebu_wait[] = {GPIO26};
727 static const unsigned xrx200_pins_ebu_a25[] = {GPIO31};
728 
729 static const unsigned xrx200_pins_nand_ale[] = {GPIO13};
730 static const unsigned xrx200_pins_nand_cs1[] = {GPIO23};
731 static const unsigned xrx200_pins_nand_cle[] = {GPIO24};
732 static const unsigned xrx200_pins_nand_rdy[] = {GPIO48};
733 static const unsigned xrx200_pins_nand_rd[] = {GPIO49};
734 
735 static const unsigned xrx200_pins_spi_di[] = {GPIO16};
736 static const unsigned xrx200_pins_spi_do[] = {GPIO17};
737 static const unsigned xrx200_pins_spi_clk[] = {GPIO18};
738 static const unsigned xrx200_pins_spi_cs1[] = {GPIO15};
739 static const unsigned xrx200_pins_spi_cs2[] = {GPIO22};
740 static const unsigned xrx200_pins_spi_cs3[] = {GPIO13};
741 static const unsigned xrx200_pins_spi_cs4[] = {GPIO10};
742 static const unsigned xrx200_pins_spi_cs5[] = {GPIO9};
743 static const unsigned xrx200_pins_spi_cs6[] = {GPIO11};
744 
745 static const unsigned xrx200_pins_gpt1[] = {GPIO28};
746 static const unsigned xrx200_pins_gpt2[] = {GPIO21};
747 static const unsigned xrx200_pins_gpt3[] = {GPIO6};
748 
749 static const unsigned xrx200_pins_clkout0[] = {GPIO8};
750 static const unsigned xrx200_pins_clkout1[] = {GPIO7};
751 static const unsigned xrx200_pins_clkout2[] = {GPIO3};
752 static const unsigned xrx200_pins_clkout3[] = {GPIO2};
753 
754 static const unsigned xrx200_pins_pci_gnt1[] = {GPIO28};
755 static const unsigned xrx200_pins_pci_gnt2[] = {GPIO23};
756 static const unsigned xrx200_pins_pci_gnt3[] = {GPIO19};
757 static const unsigned xrx200_pins_pci_gnt4[] = {GPIO38};
758 static const unsigned xrx200_pins_pci_req1[] = {GPIO29};
759 static const unsigned xrx200_pins_pci_req2[] = {GPIO31};
760 static const unsigned xrx200_pins_pci_req3[] = {GPIO3};
761 static const unsigned xrx200_pins_pci_req4[] = {GPIO37};
762 
763 static const struct ltq_pin_group xrx200_grps[] = {
764 	GRP_MUX("exin0", EXIN, xrx200_pins_exin0),
765 	GRP_MUX("exin1", EXIN, xrx200_pins_exin1),
766 	GRP_MUX("exin2", EXIN, xrx200_pins_exin2),
767 	GRP_MUX("exin3", EXIN, xrx200_pins_exin3),
768 	GRP_MUX("exin4", EXIN, xrx200_pins_exin4),
769 	GRP_MUX("exin5", EXIN, xrx200_pins_exin5),
770 	GRP_MUX("ebu a23", EBU, xrx200_pins_ebu_a23),
771 	GRP_MUX("ebu a24", EBU, xrx200_pins_ebu_a24),
772 	GRP_MUX("ebu a25", EBU, xrx200_pins_ebu_a25),
773 	GRP_MUX("ebu clk", EBU, xrx200_pins_ebu_clk),
774 	GRP_MUX("ebu cs1", EBU, xrx200_pins_ebu_cs1),
775 	GRP_MUX("ebu wait", EBU, xrx200_pins_ebu_wait),
776 	GRP_MUX("nand ale", EBU, xrx200_pins_nand_ale),
777 	GRP_MUX("nand cs1", EBU, xrx200_pins_nand_cs1),
778 	GRP_MUX("nand cle", EBU, xrx200_pins_nand_cle),
779 	GRP_MUX("nand rdy", EBU, xrx200_pins_nand_rdy),
780 	GRP_MUX("nand rd", EBU, xrx200_pins_nand_rd),
781 	GRP_MUX("spi_di", SPI, xrx200_pins_spi_di),
782 	GRP_MUX("spi_do", SPI, xrx200_pins_spi_do),
783 	GRP_MUX("spi_clk", SPI, xrx200_pins_spi_clk),
784 	GRP_MUX("spi_cs1", SPI, xrx200_pins_spi_cs1),
785 	GRP_MUX("spi_cs2", SPI, xrx200_pins_spi_cs2),
786 	GRP_MUX("spi_cs3", SPI, xrx200_pins_spi_cs3),
787 	GRP_MUX("spi_cs4", SPI, xrx200_pins_spi_cs4),
788 	GRP_MUX("spi_cs5", SPI, xrx200_pins_spi_cs5),
789 	GRP_MUX("spi_cs6", SPI, xrx200_pins_spi_cs6),
790 	GRP_MUX("usif uart_rx", USIF, xrx200_pins_usif_uart_rx),
791 	GRP_MUX("usif uart_tx", USIF, xrx200_pins_usif_uart_tx),
792 	GRP_MUX("usif uart_rts", USIF, xrx200_pins_usif_uart_rts),
793 	GRP_MUX("usif uart_cts", USIF, xrx200_pins_usif_uart_cts),
794 	GRP_MUX("usif uart_dtr", USIF, xrx200_pins_usif_uart_dtr),
795 	GRP_MUX("usif uart_dsr", USIF, xrx200_pins_usif_uart_dsr),
796 	GRP_MUX("usif uart_dcd", USIF, xrx200_pins_usif_uart_dcd),
797 	GRP_MUX("usif uart_ri", USIF, xrx200_pins_usif_uart_ri),
798 	GRP_MUX("usif spi_di", USIF, xrx200_pins_usif_spi_di),
799 	GRP_MUX("usif spi_do", USIF, xrx200_pins_usif_spi_do),
800 	GRP_MUX("usif spi_clk", USIF, xrx200_pins_usif_spi_clk),
801 	GRP_MUX("usif spi_cs0", USIF, xrx200_pins_usif_spi_cs0),
802 	GRP_MUX("usif spi_cs1", USIF, xrx200_pins_usif_spi_cs1),
803 	GRP_MUX("usif spi_cs2", USIF, xrx200_pins_usif_spi_cs2),
804 	GRP_MUX("stp", STP, xrx200_pins_stp),
805 	GRP_MUX("nmi", NMI, xrx200_pins_nmi),
806 	GRP_MUX("gpt1", GPT, xrx200_pins_gpt1),
807 	GRP_MUX("gpt2", GPT, xrx200_pins_gpt2),
808 	GRP_MUX("gpt3", GPT, xrx200_pins_gpt3),
809 	GRP_MUX("clkout0", CGU, xrx200_pins_clkout0),
810 	GRP_MUX("clkout1", CGU, xrx200_pins_clkout1),
811 	GRP_MUX("clkout2", CGU, xrx200_pins_clkout2),
812 	GRP_MUX("clkout3", CGU, xrx200_pins_clkout3),
813 	GRP_MUX("gnt1", PCI, xrx200_pins_pci_gnt1),
814 	GRP_MUX("gnt2", PCI, xrx200_pins_pci_gnt2),
815 	GRP_MUX("gnt3", PCI, xrx200_pins_pci_gnt3),
816 	GRP_MUX("gnt4", PCI, xrx200_pins_pci_gnt4),
817 	GRP_MUX("req1", PCI, xrx200_pins_pci_req1),
818 	GRP_MUX("req2", PCI, xrx200_pins_pci_req2),
819 	GRP_MUX("req3", PCI, xrx200_pins_pci_req3),
820 	GRP_MUX("req4", PCI, xrx200_pins_pci_req4),
821 	GRP_MUX("mdio", MDIO, xrx200_pins_mdio),
822 	GRP_MUX("dfe led0", DFE, xrx200_pins_dfe_led0),
823 	GRP_MUX("dfe led1", DFE, xrx200_pins_dfe_led1),
824 	GRP_MUX("gphy0 led0", GPHY, xrx200_pins_gphy0_led0),
825 	GRP_MUX("gphy0 led1", GPHY, xrx200_pins_gphy0_led1),
826 	GRP_MUX("gphy0 led2", GPHY, xrx200_pins_gphy0_led2),
827 	GRP_MUX("gphy1 led0", GPHY, xrx200_pins_gphy1_led0),
828 	GRP_MUX("gphy1 led1", GPHY, xrx200_pins_gphy1_led1),
829 	GRP_MUX("gphy1 led2", GPHY, xrx200_pins_gphy1_led2),
830 };
831 
832 static const char * const xrx200_pci_grps[] = {"gnt1", "gnt2",
833 						"gnt3", "gnt4",
834 						"req1", "req2",
835 						"req3", "req4"};
836 static const char * const xrx200_spi_grps[] = {"spi_di", "spi_do",
837 						"spi_clk", "spi_cs1",
838 						"spi_cs2", "spi_cs3",
839 						"spi_cs4", "spi_cs5",
840 						"spi_cs6"};
841 static const char * const xrx200_cgu_grps[] = {"clkout0", "clkout1",
842 						"clkout2", "clkout3"};
843 static const char * const xrx200_ebu_grps[] = {"ebu a23", "ebu a24",
844 						"ebu a25", "ebu cs1",
845 						"ebu wait", "ebu clk",
846 						"nand ale", "nand cs1",
847 						"nand cle", "nand rdy",
848 						"nand rd"};
849 static const char * const xrx200_exin_grps[] = {"exin0", "exin1", "exin2",
850 						"exin3", "exin4", "exin5"};
851 static const char * const xrx200_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
852 static const char * const xrx200_usif_grps[] = {"usif uart_rx", "usif uart_tx",
853 						"usif uart_rts", "usif uart_cts",
854 						"usif uart_dtr", "usif uart_dsr",
855 						"usif uart_dcd", "usif uart_ri",
856 						"usif spi_di", "usif spi_do",
857 						"usif spi_clk", "usif spi_cs0",
858 						"usif spi_cs1", "usif spi_cs2"};
859 static const char * const xrx200_stp_grps[] = {"stp"};
860 static const char * const xrx200_nmi_grps[] = {"nmi"};
861 static const char * const xrx200_mdio_grps[] = {"mdio"};
862 static const char * const xrx200_dfe_grps[] = {"dfe led0", "dfe led1"};
863 static const char * const xrx200_gphy_grps[] = {"gphy0 led0", "gphy0 led1",
864 						"gphy0 led2", "gphy1 led0",
865 						"gphy1 led1", "gphy1 led2"};
866 
867 static const struct ltq_pmx_func xrx200_funcs[] = {
868 	{"spi",		ARRAY_AND_SIZE(xrx200_spi_grps)},
869 	{"usif",	ARRAY_AND_SIZE(xrx200_usif_grps)},
870 	{"cgu",		ARRAY_AND_SIZE(xrx200_cgu_grps)},
871 	{"exin",	ARRAY_AND_SIZE(xrx200_exin_grps)},
872 	{"stp",		ARRAY_AND_SIZE(xrx200_stp_grps)},
873 	{"gpt",		ARRAY_AND_SIZE(xrx200_gpt_grps)},
874 	{"nmi",		ARRAY_AND_SIZE(xrx200_nmi_grps)},
875 	{"pci",		ARRAY_AND_SIZE(xrx200_pci_grps)},
876 	{"ebu",		ARRAY_AND_SIZE(xrx200_ebu_grps)},
877 	{"mdio",	ARRAY_AND_SIZE(xrx200_mdio_grps)},
878 	{"dfe",		ARRAY_AND_SIZE(xrx200_dfe_grps)},
879 	{"gphy",	ARRAY_AND_SIZE(xrx200_gphy_grps)},
880 };
881 
882 /* ---------  xrx300 related code --------- */
883 #define XRX300_MAX_PIN		64
884 
885 static const struct ltq_mfp_pin xrx300_mfp[] = {
886 	/*       pin    f0	f1	f2	f3   */
887 	MFP_XWAY(GPIO0, GPIO,	EXIN,	EPHY,	NONE),
888 	MFP_XWAY(GPIO1, GPIO,	NONE,	EXIN,	NONE),
889 	MFP_XWAY(GPIO2, NONE,	NONE,	NONE,	NONE),
890 	MFP_XWAY(GPIO3, GPIO,	CGU,	NONE,	NONE),
891 	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	NONE),
892 	MFP_XWAY(GPIO5, GPIO,	STP,	EPHY,	DFE),
893 	MFP_XWAY(GPIO6, GPIO,	STP,	NONE,	NONE),
894 	MFP_XWAY(GPIO7, NONE,	NONE,	NONE,	NONE),
895 	MFP_XWAY(GPIO8, GPIO,	CGU,	GPHY,	EPHY),
896 	MFP_XWAY(GPIO9, GPIO,	WIFI,	NONE,	EXIN),
897 	MFP_XWAY(GPIO10, GPIO,	USIF,	SPI,	EXIN),
898 	MFP_XWAY(GPIO11, GPIO,	USIF,	WIFI,	SPI),
899 	MFP_XWAY(GPIO12, NONE,	NONE,	NONE,	NONE),
900 	MFP_XWAY(GPIO13, GPIO,	EBU,	NONE,	NONE),
901 	MFP_XWAY(GPIO14, GPIO,	CGU,	USIF,	EPHY),
902 	MFP_XWAY(GPIO15, GPIO,	SPI,	NONE,	MCD),
903 	MFP_XWAY(GPIO16, GPIO,	SPI,	EXIN,	NONE),
904 	MFP_XWAY(GPIO17, GPIO,	SPI,	NONE,	NONE),
905 	MFP_XWAY(GPIO18, GPIO,	SPI,	NONE,	NONE),
906 	MFP_XWAY(GPIO19, GPIO,	USIF,	NONE,	EPHY),
907 	MFP_XWAY(GPIO20, NONE,	NONE,	NONE,	NONE),
908 	MFP_XWAY(GPIO21, NONE,	NONE,	NONE,	NONE),
909 	MFP_XWAY(GPIO22, NONE,	NONE,	NONE,	NONE),
910 	MFP_XWAY(GPIO23, GPIO,	EBU,	NONE,	NONE),
911 	MFP_XWAY(GPIO24, GPIO,	EBU,	NONE,	NONE),
912 	MFP_XWAY(GPIO25, GPIO,	TDM,	NONE,	NONE),
913 	MFP_XWAY(GPIO26, GPIO,	TDM,	NONE,	NONE),
914 	MFP_XWAY(GPIO27, GPIO,	TDM,	NONE,	NONE),
915 	MFP_XWAY(GPIO28, NONE,	NONE,	NONE,	NONE),
916 	MFP_XWAY(GPIO29, NONE,	NONE,	NONE,	NONE),
917 	MFP_XWAY(GPIO30, NONE,	NONE,	NONE,	NONE),
918 	MFP_XWAY(GPIO31, NONE,	NONE,	NONE,	NONE),
919 	MFP_XWAY(GPIO32, NONE,	NONE,	NONE,	NONE),
920 	MFP_XWAY(GPIO33, NONE,	NONE,	NONE,	NONE),
921 	MFP_XWAY(GPIO34, GPIO,	NONE,	SSI,	NONE),
922 	MFP_XWAY(GPIO35, GPIO,	NONE,	SSI,	NONE),
923 	MFP_XWAY(GPIO36, GPIO,	NONE,	SSI,	NONE),
924 	MFP_XWAY(GPIO37, NONE,	NONE,	NONE,	NONE),
925 	MFP_XWAY(GPIO38, NONE,	NONE,	NONE,	NONE),
926 	MFP_XWAY(GPIO39, NONE,	NONE,	NONE,	NONE),
927 	MFP_XWAY(GPIO40, NONE,	NONE,	NONE,	NONE),
928 	MFP_XWAY(GPIO41, NONE,	NONE,	NONE,	NONE),
929 	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
930 	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
931 	MFP_XWAY(GPIO44, NONE,	NONE,	NONE,	NONE),
932 	MFP_XWAY(GPIO45, NONE,	NONE,	NONE,	NONE),
933 	MFP_XWAY(GPIO46, NONE,	NONE,	NONE,	NONE),
934 	MFP_XWAY(GPIO47, NONE,	NONE,	NONE,	NONE),
935 	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
936 	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
937 	MFP_XWAY(GPIO50, GPIO,	EBU,	NONE,	NONE),
938 	MFP_XWAY(GPIO51, GPIO,	EBU,	NONE,	NONE),
939 	MFP_XWAY(GPIO52, GPIO,	EBU,	NONE,	NONE),
940 	MFP_XWAY(GPIO53, GPIO,	EBU,	NONE,	NONE),
941 	MFP_XWAY(GPIO54, GPIO,	EBU,	NONE,	NONE),
942 	MFP_XWAY(GPIO55, GPIO,	EBU,	NONE,	NONE),
943 	MFP_XWAY(GPIO56, GPIO,	EBU,	NONE,	NONE),
944 	MFP_XWAY(GPIO57, GPIO,	EBU,	NONE,	NONE),
945 	MFP_XWAY(GPIO58, GPIO,	EBU,	TDM,	NONE),
946 	MFP_XWAY(GPIO59, GPIO,	EBU,	NONE,	NONE),
947 	MFP_XWAY(GPIO60, GPIO,	EBU,	NONE,	NONE),
948 	MFP_XWAY(GPIO61, GPIO,	EBU,	NONE,	NONE),
949 	MFP_XWAY(GPIO62, NONE,	NONE,	NONE,	NONE),
950 	MFP_XWAY(GPIO63, NONE,	NONE,	NONE,	NONE),
951 };
952 
953 static const unsigned xrx300_exin_pin_map[] = {GPIO0, GPIO1, GPIO16, GPIO10, GPIO9};
954 
955 static const unsigned xrx300_pins_exin0[] = {GPIO0};
956 static const unsigned xrx300_pins_exin1[] = {GPIO1};
957 static const unsigned xrx300_pins_exin2[] = {GPIO16};
958 /* EXIN3 is not available on xrX300 */
959 static const unsigned xrx300_pins_exin4[] = {GPIO10};
960 static const unsigned xrx300_pins_exin5[] = {GPIO9};
961 
962 static const unsigned xrx300_pins_usif_uart_rx[] = {GPIO11};
963 static const unsigned xrx300_pins_usif_uart_tx[] = {GPIO10};
964 
965 static const unsigned xrx300_pins_usif_spi_di[] = {GPIO11};
966 static const unsigned xrx300_pins_usif_spi_do[] = {GPIO10};
967 static const unsigned xrx300_pins_usif_spi_clk[] = {GPIO19};
968 static const unsigned xrx300_pins_usif_spi_cs0[] = {GPIO14};
969 
970 static const unsigned xrx300_pins_stp[] = {GPIO4, GPIO5, GPIO6};
971 static const unsigned xrx300_pins_mdio[] = {GPIO42, GPIO43};
972 
973 static const unsigned xrx300_pins_dfe_led0[] = {GPIO4};
974 static const unsigned xrx300_pins_dfe_led1[] = {GPIO5};
975 
976 static const unsigned xrx300_pins_ephy0_led0[] = {GPIO5};
977 static const unsigned xrx300_pins_ephy0_led1[] = {GPIO8};
978 static const unsigned xrx300_pins_ephy1_led0[] = {GPIO14};
979 static const unsigned xrx300_pins_ephy1_led1[] = {GPIO19};
980 
981 static const unsigned xrx300_pins_nand_ale[] = {GPIO13};
982 static const unsigned xrx300_pins_nand_cs1[] = {GPIO23};
983 static const unsigned xrx300_pins_nand_cle[] = {GPIO24};
984 static const unsigned xrx300_pins_nand_rdy[] = {GPIO48};
985 static const unsigned xrx300_pins_nand_rd[] = {GPIO49};
986 static const unsigned xrx300_pins_nand_d1[] = {GPIO50};
987 static const unsigned xrx300_pins_nand_d0[] = {GPIO51};
988 static const unsigned xrx300_pins_nand_d2[] = {GPIO52};
989 static const unsigned xrx300_pins_nand_d7[] = {GPIO53};
990 static const unsigned xrx300_pins_nand_d6[] = {GPIO54};
991 static const unsigned xrx300_pins_nand_d5[] = {GPIO55};
992 static const unsigned xrx300_pins_nand_d4[] = {GPIO56};
993 static const unsigned xrx300_pins_nand_d3[] = {GPIO57};
994 static const unsigned xrx300_pins_nand_cs0[] = {GPIO58};
995 static const unsigned xrx300_pins_nand_wr[] = {GPIO59};
996 static const unsigned xrx300_pins_nand_wp[] = {GPIO60};
997 static const unsigned xrx300_pins_nand_se[] = {GPIO61};
998 
999 static const unsigned xrx300_pins_spi_di[] = {GPIO16};
1000 static const unsigned xrx300_pins_spi_do[] = {GPIO17};
1001 static const unsigned xrx300_pins_spi_clk[] = {GPIO18};
1002 static const unsigned xrx300_pins_spi_cs1[] = {GPIO15};
1003 /* SPI_CS2 is not available on xrX300 */
1004 /* SPI_CS3 is not available on xrX300 */
1005 static const unsigned xrx300_pins_spi_cs4[] = {GPIO10};
1006 /* SPI_CS5 is not available on xrX300 */
1007 static const unsigned xrx300_pins_spi_cs6[] = {GPIO11};
1008 
1009 /* CLKOUT0 is not available on xrX300 */
1010 /* CLKOUT1 is not available on xrX300 */
1011 static const unsigned xrx300_pins_clkout2[] = {GPIO3};
1012 
1013 static const struct ltq_pin_group xrx300_grps[] = {
1014 	GRP_MUX("exin0", EXIN, xrx300_pins_exin0),
1015 	GRP_MUX("exin1", EXIN, xrx300_pins_exin1),
1016 	GRP_MUX("exin2", EXIN, xrx300_pins_exin2),
1017 	GRP_MUX("exin4", EXIN, xrx300_pins_exin4),
1018 	GRP_MUX("exin5", EXIN, xrx300_pins_exin5),
1019 	GRP_MUX("nand ale", EBU, xrx300_pins_nand_ale),
1020 	GRP_MUX("nand cs1", EBU, xrx300_pins_nand_cs1),
1021 	GRP_MUX("nand cle", EBU, xrx300_pins_nand_cle),
1022 	GRP_MUX("nand rdy", EBU, xrx300_pins_nand_rdy),
1023 	GRP_MUX("nand rd", EBU, xrx300_pins_nand_rd),
1024 	GRP_MUX("nand d1", EBU, xrx300_pins_nand_d1),
1025 	GRP_MUX("nand d0", EBU, xrx300_pins_nand_d0),
1026 	GRP_MUX("nand d2", EBU, xrx300_pins_nand_d2),
1027 	GRP_MUX("nand d7", EBU, xrx300_pins_nand_d7),
1028 	GRP_MUX("nand d6", EBU, xrx300_pins_nand_d6),
1029 	GRP_MUX("nand d5", EBU, xrx300_pins_nand_d5),
1030 	GRP_MUX("nand d4", EBU, xrx300_pins_nand_d4),
1031 	GRP_MUX("nand d3", EBU, xrx300_pins_nand_d3),
1032 	GRP_MUX("nand cs0", EBU, xrx300_pins_nand_cs0),
1033 	GRP_MUX("nand wr", EBU, xrx300_pins_nand_wr),
1034 	GRP_MUX("nand wp", EBU, xrx300_pins_nand_wp),
1035 	GRP_MUX("nand se", EBU, xrx300_pins_nand_se),
1036 	GRP_MUX("spi_di", SPI, xrx300_pins_spi_di),
1037 	GRP_MUX("spi_do", SPI, xrx300_pins_spi_do),
1038 	GRP_MUX("spi_clk", SPI, xrx300_pins_spi_clk),
1039 	GRP_MUX("spi_cs1", SPI, xrx300_pins_spi_cs1),
1040 	GRP_MUX("spi_cs4", SPI, xrx300_pins_spi_cs4),
1041 	GRP_MUX("spi_cs6", SPI, xrx300_pins_spi_cs6),
1042 	GRP_MUX("usif uart_rx", USIF, xrx300_pins_usif_uart_rx),
1043 	GRP_MUX("usif uart_tx", USIF, xrx300_pins_usif_uart_tx),
1044 	GRP_MUX("usif spi_di", USIF, xrx300_pins_usif_spi_di),
1045 	GRP_MUX("usif spi_do", USIF, xrx300_pins_usif_spi_do),
1046 	GRP_MUX("usif spi_clk", USIF, xrx300_pins_usif_spi_clk),
1047 	GRP_MUX("usif spi_cs0", USIF, xrx300_pins_usif_spi_cs0),
1048 	GRP_MUX("stp", STP, xrx300_pins_stp),
1049 	GRP_MUX("clkout2", CGU, xrx300_pins_clkout2),
1050 	GRP_MUX("mdio", MDIO, xrx300_pins_mdio),
1051 	GRP_MUX("dfe led0", DFE, xrx300_pins_dfe_led0),
1052 	GRP_MUX("dfe led1", DFE, xrx300_pins_dfe_led1),
1053 	GRP_MUX("ephy0 led0", GPHY, xrx300_pins_ephy0_led0),
1054 	GRP_MUX("ephy0 led1", GPHY, xrx300_pins_ephy0_led1),
1055 	GRP_MUX("ephy1 led0", GPHY, xrx300_pins_ephy1_led0),
1056 	GRP_MUX("ephy1 led1", GPHY, xrx300_pins_ephy1_led1),
1057 };
1058 
1059 static const char * const xrx300_spi_grps[] = {"spi_di", "spi_do",
1060 						"spi_clk", "spi_cs1",
1061 						"spi_cs4", "spi_cs6"};
1062 static const char * const xrx300_cgu_grps[] = {"clkout2"};
1063 static const char * const xrx300_ebu_grps[] = {"nand ale", "nand cs1",
1064 						"nand cle", "nand rdy",
1065 						"nand rd", "nand d1",
1066 						"nand d0", "nand d2",
1067 						"nand d7", "nand d6",
1068 						"nand d5", "nand d4",
1069 						"nand d3", "nand cs0",
1070 						"nand wr", "nand wp",
1071 						"nand se"};
1072 static const char * const xrx300_exin_grps[] = {"exin0", "exin1", "exin2",
1073 						"exin4", "exin5"};
1074 static const char * const xrx300_usif_grps[] = {"usif uart_rx", "usif uart_tx",
1075 						"usif spi_di", "usif spi_do",
1076 						"usif spi_clk", "usif spi_cs0"};
1077 static const char * const xrx300_stp_grps[] = {"stp"};
1078 static const char * const xrx300_mdio_grps[] = {"mdio"};
1079 static const char * const xrx300_dfe_grps[] = {"dfe led0", "dfe led1"};
1080 static const char * const xrx300_gphy_grps[] = {"ephy0 led0", "ephy0 led1",
1081 						"ephy1 led0", "ephy1 led1"};
1082 
1083 static const struct ltq_pmx_func xrx300_funcs[] = {
1084 	{"spi",		ARRAY_AND_SIZE(xrx300_spi_grps)},
1085 	{"usif",	ARRAY_AND_SIZE(xrx300_usif_grps)},
1086 	{"cgu",		ARRAY_AND_SIZE(xrx300_cgu_grps)},
1087 	{"exin",	ARRAY_AND_SIZE(xrx300_exin_grps)},
1088 	{"stp",		ARRAY_AND_SIZE(xrx300_stp_grps)},
1089 	{"ebu",		ARRAY_AND_SIZE(xrx300_ebu_grps)},
1090 	{"mdio",	ARRAY_AND_SIZE(xrx300_mdio_grps)},
1091 	{"dfe",		ARRAY_AND_SIZE(xrx300_dfe_grps)},
1092 	{"ephy",	ARRAY_AND_SIZE(xrx300_gphy_grps)},
1093 };
1094 
1095 /* ---------  pinconf related code --------- */
1096 static int xway_pinconf_get(struct pinctrl_dev *pctldev,
1097 				unsigned pin,
1098 				unsigned long *config)
1099 {
1100 	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
1101 	enum ltq_pinconf_param param = LTQ_PINCONF_UNPACK_PARAM(*config);
1102 	int port = PORT(pin);
1103 	u32 reg;
1104 
1105 	switch (param) {
1106 	case LTQ_PINCONF_PARAM_OPEN_DRAIN:
1107 		if (port == PORT3)
1108 			reg = GPIO3_OD;
1109 		else
1110 			reg = GPIO_OD(pin);
1111 		*config = LTQ_PINCONF_PACK(param,
1112 			!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
1113 		break;
1114 
1115 	case LTQ_PINCONF_PARAM_PULL:
1116 		if (port == PORT3)
1117 			reg = GPIO3_PUDEN;
1118 		else
1119 			reg = GPIO_PUDEN(pin);
1120 		if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin))) {
1121 			*config = LTQ_PINCONF_PACK(param, 0);
1122 			break;
1123 		}
1124 
1125 		if (port == PORT3)
1126 			reg = GPIO3_PUDSEL;
1127 		else
1128 			reg = GPIO_PUDSEL(pin);
1129 		if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)))
1130 			*config = LTQ_PINCONF_PACK(param, 2);
1131 		else
1132 			*config = LTQ_PINCONF_PACK(param, 1);
1133 		break;
1134 
1135 	case LTQ_PINCONF_PARAM_OUTPUT:
1136 		reg = GPIO_DIR(pin);
1137 		*config = LTQ_PINCONF_PACK(param,
1138 			gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
1139 		break;
1140 	default:
1141 		dev_err(pctldev->dev, "Invalid config param %04x\n", param);
1142 		return -ENOTSUPP;
1143 	}
1144 	return 0;
1145 }
1146 
1147 static int xway_pinconf_set(struct pinctrl_dev *pctldev,
1148 				unsigned pin,
1149 				unsigned long *configs,
1150 				unsigned num_configs)
1151 {
1152 	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
1153 	enum ltq_pinconf_param param;
1154 	int arg;
1155 	int port = PORT(pin);
1156 	u32 reg;
1157 	int i;
1158 
1159 	for (i = 0; i < num_configs; i++) {
1160 		param = LTQ_PINCONF_UNPACK_PARAM(configs[i]);
1161 		arg = LTQ_PINCONF_UNPACK_ARG(configs[i]);
1162 
1163 		switch (param) {
1164 		case LTQ_PINCONF_PARAM_OPEN_DRAIN:
1165 			if (port == PORT3)
1166 				reg = GPIO3_OD;
1167 			else
1168 				reg = GPIO_OD(pin);
1169 			if (arg == 0)
1170 				gpio_setbit(info->membase[0],
1171 					reg,
1172 					PORT_PIN(pin));
1173 			else
1174 				gpio_clearbit(info->membase[0],
1175 					reg,
1176 					PORT_PIN(pin));
1177 			break;
1178 
1179 		case LTQ_PINCONF_PARAM_PULL:
1180 			if (port == PORT3)
1181 				reg = GPIO3_PUDEN;
1182 			else
1183 				reg = GPIO_PUDEN(pin);
1184 			if (arg == 0) {
1185 				gpio_clearbit(info->membase[0],
1186 					reg,
1187 					PORT_PIN(pin));
1188 				break;
1189 			}
1190 			gpio_setbit(info->membase[0], reg, PORT_PIN(pin));
1191 
1192 			if (port == PORT3)
1193 				reg = GPIO3_PUDSEL;
1194 			else
1195 				reg = GPIO_PUDSEL(pin);
1196 			if (arg == 1)
1197 				gpio_clearbit(info->membase[0],
1198 					reg,
1199 					PORT_PIN(pin));
1200 			else if (arg == 2)
1201 				gpio_setbit(info->membase[0],
1202 					reg,
1203 					PORT_PIN(pin));
1204 			else
1205 				dev_err(pctldev->dev,
1206 					"Invalid pull value %d\n", arg);
1207 			break;
1208 
1209 		case LTQ_PINCONF_PARAM_OUTPUT:
1210 			reg = GPIO_DIR(pin);
1211 			if (arg == 0)
1212 				gpio_clearbit(info->membase[0],
1213 					reg,
1214 					PORT_PIN(pin));
1215 			else
1216 				gpio_setbit(info->membase[0],
1217 					reg,
1218 					PORT_PIN(pin));
1219 			break;
1220 
1221 		default:
1222 			dev_err(pctldev->dev,
1223 				"Invalid config param %04x\n", param);
1224 			return -ENOTSUPP;
1225 		}
1226 	} /* for each config */
1227 
1228 	return 0;
1229 }
1230 
1231 int xway_pinconf_group_set(struct pinctrl_dev *pctldev,
1232 			unsigned selector,
1233 			unsigned long *configs,
1234 			unsigned num_configs)
1235 {
1236 	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
1237 	int i, ret = 0;
1238 
1239 	for (i = 0; i < info->grps[selector].npins && !ret; i++)
1240 		ret = xway_pinconf_set(pctldev,
1241 				info->grps[selector].pins[i],
1242 				configs,
1243 				num_configs);
1244 
1245 	return ret;
1246 }
1247 
1248 static const struct pinconf_ops xway_pinconf_ops = {
1249 	.pin_config_get	= xway_pinconf_get,
1250 	.pin_config_set	= xway_pinconf_set,
1251 	.pin_config_group_set = xway_pinconf_group_set,
1252 };
1253 
1254 static struct pinctrl_desc xway_pctrl_desc = {
1255 	.owner		= THIS_MODULE,
1256 	.confops	= &xway_pinconf_ops,
1257 };
1258 
1259 static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
1260 				int pin, int mux)
1261 {
1262 	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
1263 	int port = PORT(pin);
1264 	u32 alt1_reg = GPIO_ALT1(pin);
1265 
1266 	if (port == PORT3)
1267 		alt1_reg = GPIO3_ALT1;
1268 
1269 	if (mux & MUX_ALT0)
1270 		gpio_setbit(info->membase[0], GPIO_ALT0(pin), PORT_PIN(pin));
1271 	else
1272 		gpio_clearbit(info->membase[0], GPIO_ALT0(pin), PORT_PIN(pin));
1273 
1274 	if (mux & MUX_ALT1)
1275 		gpio_setbit(info->membase[0], alt1_reg, PORT_PIN(pin));
1276 	else
1277 		gpio_clearbit(info->membase[0], alt1_reg, PORT_PIN(pin));
1278 
1279 	return 0;
1280 }
1281 
1282 static const struct ltq_cfg_param xway_cfg_params[] = {
1283 	{"lantiq,pull",		LTQ_PINCONF_PARAM_PULL},
1284 	{"lantiq,open-drain",	LTQ_PINCONF_PARAM_OPEN_DRAIN},
1285 	{"lantiq,output",	LTQ_PINCONF_PARAM_OUTPUT},
1286 };
1287 
1288 static struct ltq_pinmux_info xway_info = {
1289 	.desc		= &xway_pctrl_desc,
1290 	.apply_mux	= xway_mux_apply,
1291 	.params		= xway_cfg_params,
1292 	.num_params	= ARRAY_SIZE(xway_cfg_params),
1293 };
1294 
1295 /* ---------  gpio_chip related code --------- */
1296 static void xway_gpio_set(struct gpio_chip *chip, unsigned int pin, int val)
1297 {
1298 	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
1299 
1300 	if (val)
1301 		gpio_setbit(info->membase[0], GPIO_OUT(pin), PORT_PIN(pin));
1302 	else
1303 		gpio_clearbit(info->membase[0], GPIO_OUT(pin), PORT_PIN(pin));
1304 }
1305 
1306 static int xway_gpio_get(struct gpio_chip *chip, unsigned int pin)
1307 {
1308 	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
1309 
1310 	return !!gpio_getbit(info->membase[0], GPIO_IN(pin), PORT_PIN(pin));
1311 }
1312 
1313 static int xway_gpio_dir_in(struct gpio_chip *chip, unsigned int pin)
1314 {
1315 	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
1316 
1317 	gpio_clearbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
1318 
1319 	return 0;
1320 }
1321 
1322 static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val)
1323 {
1324 	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
1325 
1326 	if (PORT(pin) == PORT3)
1327 		gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
1328 	else
1329 		gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
1330 	gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
1331 	xway_gpio_set(chip, pin, val);
1332 
1333 	return 0;
1334 }
1335 
1336 /*
1337  * gpiolib gpiod_to_irq callback function.
1338  * Returns the mapped IRQ (external interrupt) number for a given GPIO pin.
1339  */
1340 static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
1341 {
1342 	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
1343 	int i;
1344 
1345 	for (i = 0; i < info->num_exin; i++)
1346 		if (info->exin[i] == offset)
1347 			return ltq_eiu_get_irq(i);
1348 
1349 	return -1;
1350 }
1351 
1352 static struct gpio_chip xway_chip = {
1353 	.label = "gpio-xway",
1354 	.direction_input = xway_gpio_dir_in,
1355 	.direction_output = xway_gpio_dir_out,
1356 	.get = xway_gpio_get,
1357 	.set = xway_gpio_set,
1358 	.request = gpiochip_generic_request,
1359 	.free = gpiochip_generic_free,
1360 	.to_irq = xway_gpio_to_irq,
1361 	.base = -1,
1362 };
1363 
1364 
1365 /* --------- register the pinctrl layer --------- */
1366 struct pinctrl_xway_soc {
1367 	int pin_count;
1368 	const struct ltq_mfp_pin *mfp;
1369 	const struct ltq_pin_group *grps;
1370 	unsigned int num_grps;
1371 	const struct ltq_pmx_func *funcs;
1372 	unsigned int num_funcs;
1373 	const unsigned *exin;
1374 	unsigned int num_exin;
1375 };
1376 
1377 /* XWAY AMAZON Family */
1378 static struct pinctrl_xway_soc ase_pinctrl = {
1379 	.pin_count = ASE_MAX_PIN,
1380 	.mfp = ase_mfp,
1381 	.grps = ase_grps,
1382 	.num_grps = ARRAY_SIZE(ase_grps),
1383 	.funcs = ase_funcs,
1384 	.num_funcs = ARRAY_SIZE(ase_funcs),
1385 	.exin = ase_exin_pin_map,
1386 	.num_exin = 3
1387 };
1388 
1389 /* XWAY DANUBE Family */
1390 static struct pinctrl_xway_soc danube_pinctrl = {
1391 	.pin_count = DANUBE_MAX_PIN,
1392 	.mfp = danube_mfp,
1393 	.grps = danube_grps,
1394 	.num_grps = ARRAY_SIZE(danube_grps),
1395 	.funcs = danube_funcs,
1396 	.num_funcs = ARRAY_SIZE(danube_funcs),
1397 	.exin = danube_exin_pin_map,
1398 	.num_exin = 3
1399 };
1400 
1401 /* XWAY xRX100 Family */
1402 static struct pinctrl_xway_soc xrx100_pinctrl = {
1403 	.pin_count = XRX100_MAX_PIN,
1404 	.mfp = xrx100_mfp,
1405 	.grps = xrx100_grps,
1406 	.num_grps = ARRAY_SIZE(xrx100_grps),
1407 	.funcs = xrx100_funcs,
1408 	.num_funcs = ARRAY_SIZE(xrx100_funcs),
1409 	.exin = xrx100_exin_pin_map,
1410 	.num_exin = 6
1411 };
1412 
1413 /* XWAY xRX200 Family */
1414 static struct pinctrl_xway_soc xrx200_pinctrl = {
1415 	.pin_count = XRX200_MAX_PIN,
1416 	.mfp = xrx200_mfp,
1417 	.grps = xrx200_grps,
1418 	.num_grps = ARRAY_SIZE(xrx200_grps),
1419 	.funcs = xrx200_funcs,
1420 	.num_funcs = ARRAY_SIZE(xrx200_funcs),
1421 	.exin = xrx200_exin_pin_map,
1422 	.num_exin = 6
1423 };
1424 
1425 /* XWAY xRX300 Family */
1426 static struct pinctrl_xway_soc xrx300_pinctrl = {
1427 	.pin_count = XRX300_MAX_PIN,
1428 	.mfp = xrx300_mfp,
1429 	.grps = xrx300_grps,
1430 	.num_grps = ARRAY_SIZE(xrx300_grps),
1431 	.funcs = xrx300_funcs,
1432 	.num_funcs = ARRAY_SIZE(xrx300_funcs),
1433 	.exin = xrx300_exin_pin_map,
1434 	.num_exin = 5
1435 };
1436 
1437 static struct pinctrl_gpio_range xway_gpio_range = {
1438 	.name	= "XWAY GPIO",
1439 	.gc	= &xway_chip,
1440 };
1441 
1442 static const struct of_device_id xway_match[] = {
1443 	{ .compatible = "lantiq,ase-pinctrl", .data = &ase_pinctrl},
1444 	{ .compatible = "lantiq,danube-pinctrl", .data = &danube_pinctrl},
1445 	{ .compatible = "lantiq,xrx100-pinctrl", .data = &xrx100_pinctrl},
1446 	{ .compatible = "lantiq,xrx200-pinctrl", .data = &xrx200_pinctrl},
1447 	{ .compatible = "lantiq,xrx300-pinctrl", .data = &xrx300_pinctrl},
1448 	{},
1449 };
1450 MODULE_DEVICE_TABLE(of, xway_match);
1451 
1452 static int pinmux_xway_probe(struct platform_device *pdev)
1453 {
1454 	const struct of_device_id *match;
1455 	const struct pinctrl_xway_soc *xway_soc;
1456 	int ret, i;
1457 
1458 	/* get and remap our register range */
1459 	xway_info.membase[0] = devm_platform_ioremap_resource(pdev, 0);
1460 	if (IS_ERR(xway_info.membase[0]))
1461 		return PTR_ERR(xway_info.membase[0]);
1462 
1463 	match = of_match_device(xway_match, &pdev->dev);
1464 	if (match)
1465 		xway_soc = (const struct pinctrl_xway_soc *) match->data;
1466 	else
1467 		xway_soc = &danube_pinctrl;
1468 
1469 	/* find out how many pads we have */
1470 	xway_chip.ngpio = xway_soc->pin_count;
1471 
1472 	/* load our pad descriptors */
1473 	xway_info.pads = devm_kcalloc(&pdev->dev,
1474 			xway_chip.ngpio, sizeof(struct pinctrl_pin_desc),
1475 			GFP_KERNEL);
1476 	if (!xway_info.pads)
1477 		return -ENOMEM;
1478 
1479 	for (i = 0; i < xway_chip.ngpio; i++) {
1480 		char *name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "io%d", i);
1481 
1482 		if (!name)
1483 			return -ENOMEM;
1484 
1485 		xway_info.pads[i].number = GPIO0 + i;
1486 		xway_info.pads[i].name = name;
1487 	}
1488 	xway_pctrl_desc.pins = xway_info.pads;
1489 
1490 	/* setup the data needed by pinctrl */
1491 	xway_pctrl_desc.name	= dev_name(&pdev->dev);
1492 	xway_pctrl_desc.npins	= xway_chip.ngpio;
1493 
1494 	xway_info.num_pads	= xway_chip.ngpio;
1495 	xway_info.num_mfp	= xway_chip.ngpio;
1496 	xway_info.mfp		= xway_soc->mfp;
1497 	xway_info.grps		= xway_soc->grps;
1498 	xway_info.num_grps	= xway_soc->num_grps;
1499 	xway_info.funcs		= xway_soc->funcs;
1500 	xway_info.num_funcs	= xway_soc->num_funcs;
1501 	xway_info.exin		= xway_soc->exin;
1502 	xway_info.num_exin	= xway_soc->num_exin;
1503 
1504 	/* register with the generic lantiq layer */
1505 	ret = ltq_pinctrl_register(pdev, &xway_info);
1506 	if (ret) {
1507 		dev_err(&pdev->dev, "Failed to register pinctrl driver\n");
1508 		return ret;
1509 	}
1510 
1511 	/* register the gpio chip */
1512 	xway_chip.parent = &pdev->dev;
1513 	xway_chip.owner = THIS_MODULE;
1514 	ret = devm_gpiochip_add_data(&pdev->dev, &xway_chip, NULL);
1515 	if (ret) {
1516 		dev_err(&pdev->dev, "Failed to register gpio chip\n");
1517 		return ret;
1518 	}
1519 
1520 	/*
1521 	 * For DeviceTree-supported systems, the gpio core checks the
1522 	 * pinctrl's device node for the "gpio-ranges" property.
1523 	 * If it is present, it takes care of adding the pin ranges
1524 	 * for the driver. In this case the driver can skip ahead.
1525 	 *
1526 	 * In order to remain compatible with older, existing DeviceTree
1527 	 * files which don't set the "gpio-ranges" property or systems that
1528 	 * utilize ACPI the driver has to call gpiochip_add_pin_range().
1529 	 */
1530 	if (!of_property_read_bool(pdev->dev.of_node, "gpio-ranges")) {
1531 		/* finish with registering the gpio range in pinctrl */
1532 		xway_gpio_range.npins = xway_chip.ngpio;
1533 		xway_gpio_range.base = xway_chip.base;
1534 		pinctrl_add_gpio_range(xway_info.pctrl, &xway_gpio_range);
1535 	}
1536 
1537 	dev_info(&pdev->dev, "Init done\n");
1538 	return 0;
1539 }
1540 
1541 static struct platform_driver pinmux_xway_driver = {
1542 	.probe	= pinmux_xway_probe,
1543 	.driver = {
1544 		.name	= "pinctrl-xway",
1545 		.of_match_table = xway_match,
1546 	},
1547 };
1548 
1549 static int __init pinmux_xway_init(void)
1550 {
1551 	return platform_driver_register(&pinmux_xway_driver);
1552 }
1553 
1554 core_initcall_sync(pinmux_xway_init);
1555