1/*
2 * Pinctrl data for Wondermedia WM8650 SoC
3 *
4 * Copyright (c) 2013 Tony Prisk <linux@prisktech.co.nz>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13 * more details.
14 */
15
16#include <linux/io.h>
17#include <linux/module.h>
18#include <linux/pinctrl/pinctrl.h>
19#include <linux/platform_device.h>
20#include <linux/slab.h>
21
22#include "pinctrl-wmt.h"
23
24/*
25 * Describe the register offsets within the GPIO memory space
26 * The dedicated external GPIO's should always be listed in bank 0
27 * so they are exported in the 0..31 range which is what users
28 * expect.
29 *
30 * Do not reorder these banks as it will change the pin numbering
31 */
32static const struct wmt_pinctrl_bank_registers wm8650_banks[] = {
33	WMT_PINCTRL_BANK(0x40, 0x80, 0xC0, 0x00, 0x480, 0x4C0),		/* 0 */
34	WMT_PINCTRL_BANK(0x44, 0x84, 0xC4, 0x04, 0x484, 0x4C4),		/* 1 */
35	WMT_PINCTRL_BANK(0x48, 0x88, 0xC8, 0x08, 0x488, 0x4C8),		/* 2 */
36	WMT_PINCTRL_BANK(0x4C, 0x8C, 0xCC, 0x0C, 0x48C, 0x4CC),		/* 3 */
37	WMT_PINCTRL_BANK(0x50, 0x90, 0xD0, 0x10, 0x490, 0x4D0),		/* 4 */
38	WMT_PINCTRL_BANK(0x54, 0x94, 0xD4, 0x14, 0x494, 0x4D4),		/* 5 */
39	WMT_PINCTRL_BANK(0x58, 0x98, 0xD8, 0x18, 0x498, 0x4D8),		/* 6 */
40	WMT_PINCTRL_BANK(0x5C, 0x9C, 0xDC, 0x1C, 0x49C, 0x4DC),		/* 7 */
41};
42
43/* Please keep sorted by bank/bit */
44#define WMT_PIN_EXTGPIO0	WMT_PIN(0, 0)
45#define WMT_PIN_EXTGPIO1	WMT_PIN(0, 1)
46#define WMT_PIN_EXTGPIO2	WMT_PIN(0, 2)
47#define WMT_PIN_EXTGPIO3	WMT_PIN(0, 3)
48#define WMT_PIN_EXTGPIO4	WMT_PIN(0, 4)
49#define WMT_PIN_EXTGPIO5	WMT_PIN(0, 5)
50#define WMT_PIN_EXTGPIO6	WMT_PIN(0, 6)
51#define WMT_PIN_EXTGPIO7	WMT_PIN(0, 7)
52#define WMT_PIN_WAKEUP0		WMT_PIN(0, 16)
53#define WMT_PIN_WAKEUP1		WMT_PIN(0, 17)
54#define WMT_PIN_SUSGPIO0	WMT_PIN(0, 21)
55#define WMT_PIN_SD0CD		WMT_PIN(0, 28)
56#define WMT_PIN_SD1CD		WMT_PIN(0, 29)
57#define WMT_PIN_VDOUT0		WMT_PIN(1, 0)
58#define WMT_PIN_VDOUT1		WMT_PIN(1, 1)
59#define WMT_PIN_VDOUT2		WMT_PIN(1, 2)
60#define WMT_PIN_VDOUT3		WMT_PIN(1, 3)
61#define WMT_PIN_VDOUT4		WMT_PIN(1, 4)
62#define WMT_PIN_VDOUT5		WMT_PIN(1, 5)
63#define WMT_PIN_VDOUT6		WMT_PIN(1, 6)
64#define WMT_PIN_VDOUT7		WMT_PIN(1, 7)
65#define WMT_PIN_VDOUT8		WMT_PIN(1, 8)
66#define WMT_PIN_VDOUT9		WMT_PIN(1, 9)
67#define WMT_PIN_VDOUT10		WMT_PIN(1, 10)
68#define WMT_PIN_VDOUT11		WMT_PIN(1, 11)
69#define WMT_PIN_VDOUT12		WMT_PIN(1, 12)
70#define WMT_PIN_VDOUT13		WMT_PIN(1, 13)
71#define WMT_PIN_VDOUT14		WMT_PIN(1, 14)
72#define WMT_PIN_VDOUT15		WMT_PIN(1, 15)
73#define WMT_PIN_VDOUT16		WMT_PIN(1, 16)
74#define WMT_PIN_VDOUT17		WMT_PIN(1, 17)
75#define WMT_PIN_VDOUT18		WMT_PIN(1, 18)
76#define WMT_PIN_VDOUT19		WMT_PIN(1, 19)
77#define WMT_PIN_VDOUT20		WMT_PIN(1, 20)
78#define WMT_PIN_VDOUT21		WMT_PIN(1, 21)
79#define WMT_PIN_VDOUT22		WMT_PIN(1, 22)
80#define WMT_PIN_VDOUT23		WMT_PIN(1, 23)
81#define WMT_PIN_VDIN0		WMT_PIN(2, 0)
82#define WMT_PIN_VDIN1		WMT_PIN(2, 1)
83#define WMT_PIN_VDIN2		WMT_PIN(2, 2)
84#define WMT_PIN_VDIN3		WMT_PIN(2, 3)
85#define WMT_PIN_VDIN4		WMT_PIN(2, 4)
86#define WMT_PIN_VDIN5		WMT_PIN(2, 5)
87#define WMT_PIN_VDIN6		WMT_PIN(2, 6)
88#define WMT_PIN_VDIN7		WMT_PIN(2, 7)
89#define WMT_PIN_I2C1SCL		WMT_PIN(2, 12)
90#define WMT_PIN_I2C1SDA		WMT_PIN(2, 13)
91#define WMT_PIN_SPI0MOSI	WMT_PIN(2, 24)
92#define WMT_PIN_SPI0MISO	WMT_PIN(2, 25)
93#define WMT_PIN_SPI0SS0		WMT_PIN(2, 26)
94#define WMT_PIN_SPI0CLK		WMT_PIN(2, 27)
95#define WMT_PIN_SD0DATA0	WMT_PIN(3, 8)
96#define WMT_PIN_SD0DATA1	WMT_PIN(3, 9)
97#define WMT_PIN_SD0DATA2	WMT_PIN(3, 10)
98#define WMT_PIN_SD0DATA3	WMT_PIN(3, 11)
99#define WMT_PIN_SD0CLK		WMT_PIN(3, 12)
100#define WMT_PIN_SD0WP		WMT_PIN(3, 13)
101#define WMT_PIN_SD0CMD		WMT_PIN(3, 14)
102#define WMT_PIN_SD1DATA0	WMT_PIN(3, 24)
103#define WMT_PIN_SD1DATA1	WMT_PIN(3, 25)
104#define WMT_PIN_SD1DATA2	WMT_PIN(3, 26)
105#define WMT_PIN_SD1DATA3	WMT_PIN(3, 27)
106#define WMT_PIN_SD1DATA4	WMT_PIN(3, 28)
107#define WMT_PIN_SD1DATA5	WMT_PIN(3, 29)
108#define WMT_PIN_SD1DATA6	WMT_PIN(3, 30)
109#define WMT_PIN_SD1DATA7	WMT_PIN(3, 31)
110#define WMT_PIN_I2C0SCL		WMT_PIN(5, 8)
111#define WMT_PIN_I2C0SDA		WMT_PIN(5, 9)
112#define WMT_PIN_UART0RTS	WMT_PIN(5, 16)
113#define WMT_PIN_UART0TXD	WMT_PIN(5, 17)
114#define WMT_PIN_UART0CTS	WMT_PIN(5, 18)
115#define WMT_PIN_UART0RXD	WMT_PIN(5, 19)
116#define WMT_PIN_UART1RTS	WMT_PIN(5, 20)
117#define WMT_PIN_UART1TXD	WMT_PIN(5, 21)
118#define WMT_PIN_UART1CTS	WMT_PIN(5, 22)
119#define WMT_PIN_UART1RXD	WMT_PIN(5, 23)
120#define WMT_PIN_UART2RTS	WMT_PIN(5, 24)
121#define WMT_PIN_UART2TXD	WMT_PIN(5, 25)
122#define WMT_PIN_UART2CTS	WMT_PIN(5, 26)
123#define WMT_PIN_UART2RXD	WMT_PIN(5, 27)
124#define WMT_PIN_UART3RTS	WMT_PIN(5, 28)
125#define WMT_PIN_UART3TXD	WMT_PIN(5, 29)
126#define WMT_PIN_UART3CTS	WMT_PIN(5, 30)
127#define WMT_PIN_UART3RXD	WMT_PIN(5, 31)
128#define WMT_PIN_KPADROW0	WMT_PIN(6, 16)
129#define WMT_PIN_KPADROW1	WMT_PIN(6, 17)
130#define WMT_PIN_KPADCOL0	WMT_PIN(6, 18)
131#define WMT_PIN_KPADCOL1	WMT_PIN(6, 19)
132#define WMT_PIN_SD1CLK		WMT_PIN(7, 0)
133#define WMT_PIN_SD1CMD		WMT_PIN(7, 1)
134#define WMT_PIN_SD1WP		WMT_PIN(7, 13)
135
136static const struct pinctrl_pin_desc wm8650_pins[] = {
137	PINCTRL_PIN(WMT_PIN_EXTGPIO0, "extgpio0"),
138	PINCTRL_PIN(WMT_PIN_EXTGPIO1, "extgpio1"),
139	PINCTRL_PIN(WMT_PIN_EXTGPIO2, "extgpio2"),
140	PINCTRL_PIN(WMT_PIN_EXTGPIO3, "extgpio3"),
141	PINCTRL_PIN(WMT_PIN_EXTGPIO4, "extgpio4"),
142	PINCTRL_PIN(WMT_PIN_EXTGPIO5, "extgpio5"),
143	PINCTRL_PIN(WMT_PIN_EXTGPIO6, "extgpio6"),
144	PINCTRL_PIN(WMT_PIN_EXTGPIO7, "extgpio7"),
145	PINCTRL_PIN(WMT_PIN_WAKEUP0, "wakeup0"),
146	PINCTRL_PIN(WMT_PIN_WAKEUP1, "wakeup1"),
147	PINCTRL_PIN(WMT_PIN_SUSGPIO0, "susgpio0"),
148	PINCTRL_PIN(WMT_PIN_SD0CD, "sd0_cd"),
149	PINCTRL_PIN(WMT_PIN_SD1CD, "sd1_cd"),
150	PINCTRL_PIN(WMT_PIN_VDOUT0, "vdout0"),
151	PINCTRL_PIN(WMT_PIN_VDOUT1, "vdout1"),
152	PINCTRL_PIN(WMT_PIN_VDOUT2, "vdout2"),
153	PINCTRL_PIN(WMT_PIN_VDOUT3, "vdout3"),
154	PINCTRL_PIN(WMT_PIN_VDOUT4, "vdout4"),
155	PINCTRL_PIN(WMT_PIN_VDOUT5, "vdout5"),
156	PINCTRL_PIN(WMT_PIN_VDOUT6, "vdout6"),
157	PINCTRL_PIN(WMT_PIN_VDOUT7, "vdout7"),
158	PINCTRL_PIN(WMT_PIN_VDOUT8, "vdout8"),
159	PINCTRL_PIN(WMT_PIN_VDOUT9, "vdout9"),
160	PINCTRL_PIN(WMT_PIN_VDOUT10, "vdout10"),
161	PINCTRL_PIN(WMT_PIN_VDOUT11, "vdout11"),
162	PINCTRL_PIN(WMT_PIN_VDOUT12, "vdout12"),
163	PINCTRL_PIN(WMT_PIN_VDOUT13, "vdout13"),
164	PINCTRL_PIN(WMT_PIN_VDOUT14, "vdout14"),
165	PINCTRL_PIN(WMT_PIN_VDOUT15, "vdout15"),
166	PINCTRL_PIN(WMT_PIN_VDOUT16, "vdout16"),
167	PINCTRL_PIN(WMT_PIN_VDOUT17, "vdout17"),
168	PINCTRL_PIN(WMT_PIN_VDOUT18, "vdout18"),
169	PINCTRL_PIN(WMT_PIN_VDOUT19, "vdout19"),
170	PINCTRL_PIN(WMT_PIN_VDOUT20, "vdout20"),
171	PINCTRL_PIN(WMT_PIN_VDOUT21, "vdout21"),
172	PINCTRL_PIN(WMT_PIN_VDOUT22, "vdout22"),
173	PINCTRL_PIN(WMT_PIN_VDOUT23, "vdout23"),
174	PINCTRL_PIN(WMT_PIN_VDIN0, "vdin0"),
175	PINCTRL_PIN(WMT_PIN_VDIN1, "vdin1"),
176	PINCTRL_PIN(WMT_PIN_VDIN2, "vdin2"),
177	PINCTRL_PIN(WMT_PIN_VDIN3, "vdin3"),
178	PINCTRL_PIN(WMT_PIN_VDIN4, "vdin4"),
179	PINCTRL_PIN(WMT_PIN_VDIN5, "vdin5"),
180	PINCTRL_PIN(WMT_PIN_VDIN6, "vdin6"),
181	PINCTRL_PIN(WMT_PIN_VDIN7, "vdin7"),
182	PINCTRL_PIN(WMT_PIN_I2C1SCL, "i2c1_scl"),
183	PINCTRL_PIN(WMT_PIN_I2C1SDA, "i2c1_sda"),
184	PINCTRL_PIN(WMT_PIN_SPI0MOSI, "spi0_mosi"),
185	PINCTRL_PIN(WMT_PIN_SPI0MISO, "spi0_miso"),
186	PINCTRL_PIN(WMT_PIN_SPI0SS0, "spi0_ss0"),
187	PINCTRL_PIN(WMT_PIN_SPI0CLK, "spi0_clk"),
188	PINCTRL_PIN(WMT_PIN_SD0DATA0, "sd0_data0"),
189	PINCTRL_PIN(WMT_PIN_SD0DATA1, "sd0_data1"),
190	PINCTRL_PIN(WMT_PIN_SD0DATA2, "sd0_data2"),
191	PINCTRL_PIN(WMT_PIN_SD0DATA3, "sd0_data3"),
192	PINCTRL_PIN(WMT_PIN_SD0CLK, "sd0_clk"),
193	PINCTRL_PIN(WMT_PIN_SD0WP, "sd0_wp"),
194	PINCTRL_PIN(WMT_PIN_SD0CMD, "sd0_cmd"),
195	PINCTRL_PIN(WMT_PIN_SD1DATA0, "sd1_data0"),
196	PINCTRL_PIN(WMT_PIN_SD1DATA1, "sd1_data1"),
197	PINCTRL_PIN(WMT_PIN_SD1DATA2, "sd1_data2"),
198	PINCTRL_PIN(WMT_PIN_SD1DATA3, "sd1_data3"),
199	PINCTRL_PIN(WMT_PIN_SD1DATA4, "sd1_data4"),
200	PINCTRL_PIN(WMT_PIN_SD1DATA5, "sd1_data5"),
201	PINCTRL_PIN(WMT_PIN_SD1DATA6, "sd1_data6"),
202	PINCTRL_PIN(WMT_PIN_SD1DATA7, "sd1_data7"),
203	PINCTRL_PIN(WMT_PIN_I2C0SCL, "i2c0_scl"),
204	PINCTRL_PIN(WMT_PIN_I2C0SDA, "i2c0_sda"),
205	PINCTRL_PIN(WMT_PIN_UART0RTS, "uart0_rts"),
206	PINCTRL_PIN(WMT_PIN_UART0TXD, "uart0_txd"),
207	PINCTRL_PIN(WMT_PIN_UART0CTS, "uart0_cts"),
208	PINCTRL_PIN(WMT_PIN_UART0RXD, "uart0_rxd"),
209	PINCTRL_PIN(WMT_PIN_UART1RTS, "uart1_rts"),
210	PINCTRL_PIN(WMT_PIN_UART1TXD, "uart1_txd"),
211	PINCTRL_PIN(WMT_PIN_UART1CTS, "uart1_cts"),
212	PINCTRL_PIN(WMT_PIN_UART1RXD, "uart1_rxd"),
213	PINCTRL_PIN(WMT_PIN_UART2RTS, "uart2_rts"),
214	PINCTRL_PIN(WMT_PIN_UART2TXD, "uart2_txd"),
215	PINCTRL_PIN(WMT_PIN_UART2CTS, "uart2_cts"),
216	PINCTRL_PIN(WMT_PIN_UART2RXD, "uart2_rxd"),
217	PINCTRL_PIN(WMT_PIN_UART3RTS, "uart3_rts"),
218	PINCTRL_PIN(WMT_PIN_UART3TXD, "uart3_txd"),
219	PINCTRL_PIN(WMT_PIN_UART3CTS, "uart3_cts"),
220	PINCTRL_PIN(WMT_PIN_UART3RXD, "uart3_rxd"),
221	PINCTRL_PIN(WMT_PIN_KPADROW0, "kpadrow0"),
222	PINCTRL_PIN(WMT_PIN_KPADROW1, "kpadrow1"),
223	PINCTRL_PIN(WMT_PIN_KPADCOL0, "kpadcol0"),
224	PINCTRL_PIN(WMT_PIN_KPADCOL1, "kpadcol1"),
225	PINCTRL_PIN(WMT_PIN_SD1CLK, "sd1_clk"),
226	PINCTRL_PIN(WMT_PIN_SD1CMD, "sd1_cmd"),
227	PINCTRL_PIN(WMT_PIN_SD1WP, "sd1_wp"),
228};
229
230/* Order of these names must match the above list */
231static const char * const wm8650_groups[] = {
232	"extgpio0",
233	"extgpio1",
234	"extgpio2",
235	"extgpio3",
236	"extgpio4",
237	"extgpio5",
238	"extgpio6",
239	"extgpio7",
240	"wakeup0",
241	"wakeup1",
242	"susgpio0",
243	"sd0_cd",
244	"sd1_cd",
245	"vdout0",
246	"vdout1",
247	"vdout2",
248	"vdout3",
249	"vdout4",
250	"vdout5",
251	"vdout6",
252	"vdout7",
253	"vdout8",
254	"vdout9",
255	"vdout10",
256	"vdout11",
257	"vdout12",
258	"vdout13",
259	"vdout14",
260	"vdout15",
261	"vdout16",
262	"vdout17",
263	"vdout18",
264	"vdout19",
265	"vdout20",
266	"vdout21",
267	"vdout22",
268	"vdout23",
269	"vdin0",
270	"vdin1",
271	"vdin2",
272	"vdin3",
273	"vdin4",
274	"vdin5",
275	"vdin6",
276	"vdin7",
277	"i2c1_scl",
278	"i2c1_sda",
279	"spi0_mosi",
280	"spi0_miso",
281	"spi0_ss0",
282	"spi0_clk",
283	"sd0_data0",
284	"sd0_data1",
285	"sd0_data2",
286	"sd0_data3",
287	"sd0_clk",
288	"sd0_wp",
289	"sd0_cmd",
290	"sd1_data0",
291	"sd1_data1",
292	"sd1_data2",
293	"sd1_data3",
294	"sd1_data4",
295	"sd1_data5",
296	"sd1_data6",
297	"sd1_data7",
298	"i2c0_scl",
299	"i2c0_sda",
300	"uart0_rts",
301	"uart0_txd",
302	"uart0_cts",
303	"uart0_rxd",
304	"uart1_rts",
305	"uart1_txd",
306	"uart1_cts",
307	"uart1_rxd",
308	"uart2_rts",
309	"uart2_txd",
310	"uart2_cts",
311	"uart2_rxd",
312	"uart3_rts",
313	"uart3_txd",
314	"uart3_cts",
315	"uart3_rxd",
316	"kpadrow0",
317	"kpadrow1",
318	"kpadcol0",
319	"kpadcol1",
320	"sd1_clk",
321	"sd1_cmd",
322	"sd1_wp",
323};
324
325static int wm8650_pinctrl_probe(struct platform_device *pdev)
326{
327	struct wmt_pinctrl_data *data;
328
329	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
330	if (!data) {
331		dev_err(&pdev->dev, "failed to allocate data\n");
332		return -ENOMEM;
333	}
334
335	data->banks = wm8650_banks;
336	data->nbanks = ARRAY_SIZE(wm8650_banks);
337	data->pins = wm8650_pins;
338	data->npins = ARRAY_SIZE(wm8650_pins);
339	data->groups = wm8650_groups;
340	data->ngroups = ARRAY_SIZE(wm8650_groups);
341
342	return wmt_pinctrl_probe(pdev, data);
343}
344
345static int wm8650_pinctrl_remove(struct platform_device *pdev)
346{
347	return wmt_pinctrl_remove(pdev);
348}
349
350static const struct of_device_id wmt_pinctrl_of_match[] = {
351	{ .compatible = "wm,wm8650-pinctrl" },
352	{ /* sentinel */ },
353};
354
355static struct platform_driver wmt_pinctrl_driver = {
356	.probe	= wm8650_pinctrl_probe,
357	.remove	= wm8650_pinctrl_remove,
358	.driver = {
359		.name	= "pinctrl-wm8650",
360		.of_match_table	= wmt_pinctrl_of_match,
361	},
362};
363
364module_platform_driver(wmt_pinctrl_driver);
365
366MODULE_AUTHOR("Tony Prisk <linux@prisktech.co.nz>");
367MODULE_DESCRIPTION("Wondermedia WM8650 Pincontrol driver");
368MODULE_LICENSE("GPL v2");
369MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
370