blob: 88cb2a126227156d18342796d4022f25c3aefbba [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glassd7af6a42014-10-13 23:41:52 -06002/*
3 * Copyright (c) 2014 Google, Inc
Simon Glassd7af6a42014-10-13 23:41:52 -06004 */
5
6#include <common.h>
7#include <dm.h>
8#include <errno.h>
Simon Glassd7af6a42014-10-13 23:41:52 -06009#include <malloc.h>
10#include <spi.h>
11#include <dm/device-internal.h>
12#include <dm/uclass-internal.h>
Simon Glassd7af6a42014-10-13 23:41:52 -060013#include <dm/lists.h>
14#include <dm/util.h>
15
16DECLARE_GLOBAL_DATA_PTR;
17
Simon Goldschmidt12bfb2e2018-10-30 21:09:48 +010018#define SPI_DEFAULT_SPEED_HZ 100000
19
Simon Glassd7af6a42014-10-13 23:41:52 -060020static int spi_set_speed_mode(struct udevice *bus, int speed, int mode)
21{
22 struct dm_spi_ops *ops;
23 int ret;
24
25 ops = spi_get_ops(bus);
26 if (ops->set_speed)
27 ret = ops->set_speed(bus, speed);
28 else
29 ret = -EINVAL;
30 if (ret) {
31 printf("Cannot set speed (err=%d)\n", ret);
32 return ret;
33 }
34
35 if (ops->set_mode)
36 ret = ops->set_mode(bus, mode);
37 else
38 ret = -EINVAL;
39 if (ret) {
40 printf("Cannot set mode (err=%d)\n", ret);
41 return ret;
42 }
43
44 return 0;
45}
46
Peng Fan7a3eff42016-05-03 10:02:22 +080047int dm_spi_claim_bus(struct udevice *dev)
Simon Glassd7af6a42014-10-13 23:41:52 -060048{
Simon Glassd7af6a42014-10-13 23:41:52 -060049 struct udevice *bus = dev->parent;
50 struct dm_spi_ops *ops = spi_get_ops(bus);
Simon Glasse564f052015-03-05 12:25:20 -070051 struct dm_spi_bus *spi = dev_get_uclass_priv(bus);
Peng Fan7a3eff42016-05-03 10:02:22 +080052 struct spi_slave *slave = dev_get_parent_priv(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -060053 int speed;
Simon Glassd7af6a42014-10-13 23:41:52 -060054
55 speed = slave->max_hz;
56 if (spi->max_hz) {
57 if (speed)
Masahiro Yamadab4141192014-11-07 03:03:31 +090058 speed = min(speed, (int)spi->max_hz);
Simon Glassd7af6a42014-10-13 23:41:52 -060059 else
60 speed = spi->max_hz;
61 }
62 if (!speed)
Simon Goldschmidt12bfb2e2018-10-30 21:09:48 +010063 speed = SPI_DEFAULT_SPEED_HZ;
Simon Glass60e28092015-02-17 15:29:35 -070064 if (speed != slave->speed) {
Mario Six24fc1ec2018-01-15 11:08:41 +010065 int ret = spi_set_speed_mode(bus, speed, slave->mode);
66
Simon Glass60e28092015-02-17 15:29:35 -070067 if (ret)
Simon Glass5e24a2e2018-10-01 12:22:24 -060068 return log_ret(ret);
Simon Glass60e28092015-02-17 15:29:35 -070069 slave->speed = speed;
70 }
Simon Glassd7af6a42014-10-13 23:41:52 -060071
Simon Glass5e24a2e2018-10-01 12:22:24 -060072 return log_ret(ops->claim_bus ? ops->claim_bus(dev) : 0);
Simon Glassd7af6a42014-10-13 23:41:52 -060073}
74
Peng Fan7a3eff42016-05-03 10:02:22 +080075void dm_spi_release_bus(struct udevice *dev)
Simon Glassd7af6a42014-10-13 23:41:52 -060076{
Simon Glassd7af6a42014-10-13 23:41:52 -060077 struct udevice *bus = dev->parent;
78 struct dm_spi_ops *ops = spi_get_ops(bus);
79
80 if (ops->release_bus)
Simon Glass9694b722015-04-19 09:05:40 -060081 ops->release_bus(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -060082}
83
Peng Fan7a3eff42016-05-03 10:02:22 +080084int dm_spi_xfer(struct udevice *dev, unsigned int bitlen,
85 const void *dout, void *din, unsigned long flags)
Simon Glassd7af6a42014-10-13 23:41:52 -060086{
Simon Glassd7af6a42014-10-13 23:41:52 -060087 struct udevice *bus = dev->parent;
88
89 if (bus->uclass->uc_drv->id != UCLASS_SPI)
90 return -EOPNOTSUPP;
91
92 return spi_get_ops(bus)->xfer(dev, bitlen, dout, din, flags);
93}
94
Peng Fan7a3eff42016-05-03 10:02:22 +080095int spi_claim_bus(struct spi_slave *slave)
96{
Simon Glass5e24a2e2018-10-01 12:22:24 -060097 return log_ret(dm_spi_claim_bus(slave->dev));
Peng Fan7a3eff42016-05-03 10:02:22 +080098}
99
100void spi_release_bus(struct spi_slave *slave)
101{
102 dm_spi_release_bus(slave->dev);
103}
104
105int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
106 const void *dout, void *din, unsigned long flags)
107{
108 return dm_spi_xfer(slave->dev, bitlen, dout, din, flags);
109}
110
Simon Glass71634f22016-11-13 14:22:01 -0700111#if !CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glass6f849c32015-06-23 15:39:05 -0600112static int spi_child_post_bind(struct udevice *dev)
Simon Glassd7af6a42014-10-13 23:41:52 -0600113{
Simon Glassd0cff032015-01-25 08:27:12 -0700114 struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -0600115
Simon Glass279e26f2017-05-18 20:09:54 -0600116 if (!dev_of_valid(dev))
Simon Glassd0cff032015-01-25 08:27:12 -0700117 return 0;
118
Simon Glass279e26f2017-05-18 20:09:54 -0600119 return spi_slave_ofdata_to_platdata(dev, plat);
Simon Glassd0cff032015-01-25 08:27:12 -0700120}
Simon Glass71634f22016-11-13 14:22:01 -0700121#endif
Simon Glassd0cff032015-01-25 08:27:12 -0700122
Simon Glass6f849c32015-06-23 15:39:05 -0600123static int spi_post_probe(struct udevice *bus)
Simon Glassd0cff032015-01-25 08:27:12 -0700124{
Simon Glass71634f22016-11-13 14:22:01 -0700125#if !CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glasse564f052015-03-05 12:25:20 -0700126 struct dm_spi_bus *spi = dev_get_uclass_priv(bus);
Simon Glassd0cff032015-01-25 08:27:12 -0700127
Simon Glass279e26f2017-05-18 20:09:54 -0600128 spi->max_hz = dev_read_u32_default(bus, "spi-max-frequency", 0);
Simon Glass71634f22016-11-13 14:22:01 -0700129#endif
Michal Simek281f1562015-10-27 13:36:42 +0100130#if defined(CONFIG_NEEDS_MANUAL_RELOC)
131 struct dm_spi_ops *ops = spi_get_ops(bus);
132
Michal Simek281f1562015-10-27 13:36:42 +0100133 if (ops->claim_bus)
134 ops->claim_bus += gd->reloc_off;
135 if (ops->release_bus)
136 ops->release_bus += gd->reloc_off;
137 if (ops->set_wordlen)
138 ops->set_wordlen += gd->reloc_off;
139 if (ops->xfer)
140 ops->xfer += gd->reloc_off;
141 if (ops->set_speed)
142 ops->set_speed += gd->reloc_off;
143 if (ops->set_mode)
144 ops->set_mode += gd->reloc_off;
145 if (ops->cs_info)
146 ops->cs_info += gd->reloc_off;
147#endif
148
Simon Glassd7af6a42014-10-13 23:41:52 -0600149 return 0;
150}
151
Simon Glass6f849c32015-06-23 15:39:05 -0600152static int spi_child_pre_probe(struct udevice *dev)
Simon Glass440714e2015-01-25 08:27:11 -0700153{
Simon Glassd0cff032015-01-25 08:27:12 -0700154 struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
Simon Glassbcbe3d12015-09-28 23:32:01 -0600155 struct spi_slave *slave = dev_get_parent_priv(dev);
Simon Glass440714e2015-01-25 08:27:11 -0700156
Simon Glassd0cff032015-01-25 08:27:12 -0700157 /*
158 * This is needed because we pass struct spi_slave around the place
159 * instead slave->dev (a struct udevice). So we have to have some
160 * way to access the slave udevice given struct spi_slave. Once we
161 * change the SPI API to use udevice instead of spi_slave, we can
162 * drop this.
163 */
Simon Glass440714e2015-01-25 08:27:11 -0700164 slave->dev = dev;
165
Simon Glassd0cff032015-01-25 08:27:12 -0700166 slave->max_hz = plat->max_hz;
167 slave->mode = plat->mode;
Christophe Ricard674f3602016-01-17 11:56:48 +0100168 slave->wordlen = SPI_DEFAULT_WORDLEN;
Simon Glassd0cff032015-01-25 08:27:12 -0700169
Simon Glass440714e2015-01-25 08:27:11 -0700170 return 0;
171}
172
Simon Glassd7af6a42014-10-13 23:41:52 -0600173int spi_chip_select(struct udevice *dev)
174{
Simon Glassd0cff032015-01-25 08:27:12 -0700175 struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -0600176
Simon Glassd0cff032015-01-25 08:27:12 -0700177 return plat ? plat->cs : -ENOENT;
Simon Glassd7af6a42014-10-13 23:41:52 -0600178}
179
Simon Glassff56bba2014-11-11 10:46:22 -0700180int spi_find_chip_select(struct udevice *bus, int cs, struct udevice **devp)
Simon Glassd7af6a42014-10-13 23:41:52 -0600181{
182 struct udevice *dev;
183
184 for (device_find_first_child(bus, &dev); dev;
185 device_find_next_child(&dev)) {
Simon Glassd0cff032015-01-25 08:27:12 -0700186 struct dm_spi_slave_platdata *plat;
Simon Glassd7af6a42014-10-13 23:41:52 -0600187
Simon Glassd0cff032015-01-25 08:27:12 -0700188 plat = dev_get_parent_platdata(dev);
189 debug("%s: plat=%p, cs=%d\n", __func__, plat, plat->cs);
190 if (plat->cs == cs) {
Simon Glassd7af6a42014-10-13 23:41:52 -0600191 *devp = dev;
192 return 0;
193 }
194 }
195
196 return -ENODEV;
197}
198
199int spi_cs_is_valid(unsigned int busnum, unsigned int cs)
200{
201 struct spi_cs_info info;
202 struct udevice *bus;
203 int ret;
204
205 ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus);
206 if (ret) {
207 debug("%s: No bus %d\n", __func__, busnum);
208 return ret;
209 }
210
211 return spi_cs_info(bus, cs, &info);
212}
213
214int spi_cs_info(struct udevice *bus, uint cs, struct spi_cs_info *info)
215{
216 struct spi_cs_info local_info;
217 struct dm_spi_ops *ops;
218 int ret;
219
220 if (!info)
221 info = &local_info;
222
223 /* If there is a device attached, return it */
224 info->dev = NULL;
225 ret = spi_find_chip_select(bus, cs, &info->dev);
226 if (!ret)
227 return 0;
228
229 /*
230 * Otherwise ask the driver. For the moment we don't have CS info.
231 * When we do we could provide the driver with a helper function
232 * to figure out what chip selects are valid, or just handle the
233 * request.
234 */
235 ops = spi_get_ops(bus);
236 if (ops->cs_info)
237 return ops->cs_info(bus, cs, info);
238
239 /*
240 * We could assume there is at least one valid chip select, but best
241 * to be sure and return an error in this case. The driver didn't
242 * care enough to tell us.
243 */
244 return -ENODEV;
245}
246
Simon Glassd7af6a42014-10-13 23:41:52 -0600247int spi_find_bus_and_cs(int busnum, int cs, struct udevice **busp,
248 struct udevice **devp)
249{
250 struct udevice *bus, *dev;
251 int ret;
252
253 ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus);
254 if (ret) {
255 debug("%s: No bus %d\n", __func__, busnum);
256 return ret;
257 }
258 ret = spi_find_chip_select(bus, cs, &dev);
259 if (ret) {
260 debug("%s: No cs %d\n", __func__, cs);
261 return ret;
262 }
263 *busp = bus;
264 *devp = dev;
265
266 return ret;
267}
268
269int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode,
270 const char *drv_name, const char *dev_name,
271 struct udevice **busp, struct spi_slave **devp)
272{
273 struct udevice *bus, *dev;
Vignesh R96907c02016-07-06 10:04:28 +0530274 struct dm_spi_slave_platdata *plat;
Simon Glassd7af6a42014-10-13 23:41:52 -0600275 bool created = false;
276 int ret;
277
Thomas Fitzsimmons894c3ad2018-06-08 17:59:45 -0400278#if CONFIG_IS_ENABLED(OF_PLATDATA) || CONFIG_IS_ENABLED(OF_PRIOR_STAGE)
Simon Glass71634f22016-11-13 14:22:01 -0700279 ret = uclass_first_device_err(UCLASS_SPI, &bus);
280#else
Simon Glassd7af6a42014-10-13 23:41:52 -0600281 ret = uclass_get_device_by_seq(UCLASS_SPI, busnum, &bus);
Simon Glass71634f22016-11-13 14:22:01 -0700282#endif
Simon Glassd7af6a42014-10-13 23:41:52 -0600283 if (ret) {
284 printf("Invalid bus %d (err=%d)\n", busnum, ret);
285 return ret;
286 }
287 ret = spi_find_chip_select(bus, cs, &dev);
288
289 /*
290 * If there is no such device, create one automatically. This means
291 * that we don't need a device tree node or platform data for the
292 * SPI flash chip - we will bind to the correct driver.
293 */
294 if (ret == -ENODEV && drv_name) {
295 debug("%s: Binding new device '%s', busnum=%d, cs=%d, driver=%s\n",
296 __func__, dev_name, busnum, cs, drv_name);
Simon Glass6b186562014-11-11 10:46:23 -0700297 ret = device_bind_driver(bus, drv_name, dev_name, &dev);
Simon Glass28f98852016-11-13 14:22:05 -0700298 if (ret) {
299 debug("%s: Unable to bind driver (ret=%d)\n", __func__,
300 ret);
Simon Glassd7af6a42014-10-13 23:41:52 -0600301 return ret;
Simon Glass28f98852016-11-13 14:22:05 -0700302 }
Simon Glassd0cff032015-01-25 08:27:12 -0700303 plat = dev_get_parent_platdata(dev);
304 plat->cs = cs;
Simon Goldschmidt12bfb2e2018-10-30 21:09:48 +0100305 if (speed) {
306 plat->max_hz = speed;
307 } else {
308 printf("Warning: SPI speed fallback to %u kHz\n",
309 SPI_DEFAULT_SPEED_HZ / 1000);
310 plat->max_hz = SPI_DEFAULT_SPEED_HZ;
311 }
Simon Glassd0cff032015-01-25 08:27:12 -0700312 plat->mode = mode;
Simon Glassd7af6a42014-10-13 23:41:52 -0600313 created = true;
314 } else if (ret) {
315 printf("Invalid chip select %d:%d (err=%d)\n", busnum, cs,
316 ret);
317 return ret;
318 }
319
320 if (!device_active(dev)) {
Simon Glassd0cff032015-01-25 08:27:12 -0700321 struct spi_slave *slave;
Simon Glassd7af6a42014-10-13 23:41:52 -0600322
Simon Glassd0cff032015-01-25 08:27:12 -0700323 ret = device_probe(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -0600324 if (ret)
325 goto err;
Simon Glassbcbe3d12015-09-28 23:32:01 -0600326 slave = dev_get_parent_priv(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -0600327 slave->dev = dev;
Simon Glassd7af6a42014-10-13 23:41:52 -0600328 }
329
Vignesh R96907c02016-07-06 10:04:28 +0530330 plat = dev_get_parent_platdata(dev);
Patrick Delaunayb0cc1b82019-02-27 15:36:44 +0100331
332 /* get speed and mode from platdata when available */
333 if (plat->max_hz) {
Vignesh R96907c02016-07-06 10:04:28 +0530334 speed = plat->max_hz;
335 mode = plat->mode;
336 }
Simon Glassd7af6a42014-10-13 23:41:52 -0600337 ret = spi_set_speed_mode(bus, speed, mode);
338 if (ret)
339 goto err;
340
341 *busp = bus;
Simon Glassbcbe3d12015-09-28 23:32:01 -0600342 *devp = dev_get_parent_priv(dev);
Simon Glassd7af6a42014-10-13 23:41:52 -0600343 debug("%s: bus=%p, slave=%p\n", __func__, bus, *devp);
344
345 return 0;
346
347err:
Anatolij Gustschinc8864d72016-04-21 09:28:02 +0200348 debug("%s: Error path, created=%d, device '%s'\n", __func__,
Simon Glassd0cff032015-01-25 08:27:12 -0700349 created, dev->name);
Simon Glassd7af6a42014-10-13 23:41:52 -0600350 if (created) {
Stefan Roese706865a2017-03-20 12:51:48 +0100351 device_remove(dev, DM_REMOVE_NORMAL);
Simon Glassd7af6a42014-10-13 23:41:52 -0600352 device_unbind(dev);
353 }
354
355 return ret;
356}
357
358/* Compatibility function - to be removed */
Simon Glassd7af6a42014-10-13 23:41:52 -0600359struct spi_slave *spi_setup_slave(unsigned int busnum, unsigned int cs,
360 unsigned int speed, unsigned int mode)
361{
362 struct spi_slave *slave;
363 struct udevice *dev;
364 int ret;
365
366 ret = spi_get_bus_and_cs(busnum, cs, speed, mode, NULL, 0, &dev,
Simon Glass279e26f2017-05-18 20:09:54 -0600367 &slave);
Simon Glassd7af6a42014-10-13 23:41:52 -0600368 if (ret)
369 return NULL;
370
371 return slave;
372}
373
374void spi_free_slave(struct spi_slave *slave)
375{
Stefan Roese706865a2017-03-20 12:51:48 +0100376 device_remove(slave->dev, DM_REMOVE_NORMAL);
Simon Glassd7af6a42014-10-13 23:41:52 -0600377 slave->dev = NULL;
378}
379
Simon Glass279e26f2017-05-18 20:09:54 -0600380int spi_slave_ofdata_to_platdata(struct udevice *dev,
Simon Glassd0cff032015-01-25 08:27:12 -0700381 struct dm_spi_slave_platdata *plat)
Simon Glassd7af6a42014-10-13 23:41:52 -0600382{
Jagan Teki08fe9c22016-08-08 17:12:12 +0530383 int mode = 0;
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530384 int value;
Simon Glassd7af6a42014-10-13 23:41:52 -0600385
Simon Glass279e26f2017-05-18 20:09:54 -0600386 plat->cs = dev_read_u32_default(dev, "reg", -1);
Simon Goldschmidt12bfb2e2018-10-30 21:09:48 +0100387 plat->max_hz = dev_read_u32_default(dev, "spi-max-frequency",
388 SPI_DEFAULT_SPEED_HZ);
Simon Glass279e26f2017-05-18 20:09:54 -0600389 if (dev_read_bool(dev, "spi-cpol"))
Simon Glassd7af6a42014-10-13 23:41:52 -0600390 mode |= SPI_CPOL;
Simon Glass279e26f2017-05-18 20:09:54 -0600391 if (dev_read_bool(dev, "spi-cpha"))
Simon Glassd7af6a42014-10-13 23:41:52 -0600392 mode |= SPI_CPHA;
Simon Glass279e26f2017-05-18 20:09:54 -0600393 if (dev_read_bool(dev, "spi-cs-high"))
Simon Glassd7af6a42014-10-13 23:41:52 -0600394 mode |= SPI_CS_HIGH;
Simon Glass279e26f2017-05-18 20:09:54 -0600395 if (dev_read_bool(dev, "spi-3wire"))
Jagan Teki379b49d2015-12-03 22:19:05 +0530396 mode |= SPI_3WIRE;
Simon Glass279e26f2017-05-18 20:09:54 -0600397 if (dev_read_bool(dev, "spi-half-duplex"))
Simon Glassd7af6a42014-10-13 23:41:52 -0600398 mode |= SPI_PREAMBLE;
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530399
400 /* Device DUAL/QUAD mode */
Simon Glass279e26f2017-05-18 20:09:54 -0600401 value = dev_read_u32_default(dev, "spi-tx-bus-width", 1);
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530402 switch (value) {
403 case 1:
404 break;
405 case 2:
406 mode |= SPI_TX_DUAL;
407 break;
408 case 4:
409 mode |= SPI_TX_QUAD;
410 break;
411 default:
Simon Glass1b7c28f2016-11-29 20:00:13 -0700412 warn_non_spl("spi-tx-bus-width %d not supported\n", value);
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530413 break;
414 }
415
Simon Glass279e26f2017-05-18 20:09:54 -0600416 value = dev_read_u32_default(dev, "spi-rx-bus-width", 1);
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530417 switch (value) {
418 case 1:
419 break;
420 case 2:
Jagan Teki08fe9c22016-08-08 17:12:12 +0530421 mode |= SPI_RX_DUAL;
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530422 break;
423 case 4:
Jagan Teki08fe9c22016-08-08 17:12:12 +0530424 mode |= SPI_RX_QUAD;
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530425 break;
426 default:
Simon Glass1b7c28f2016-11-29 20:00:13 -0700427 warn_non_spl("spi-rx-bus-width %d not supported\n", value);
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530428 break;
429 }
430
Jagan Teki08fe9c22016-08-08 17:12:12 +0530431 plat->mode = mode;
Mugunthan V Nf8e2f922015-12-23 20:39:37 +0530432
Simon Glassd7af6a42014-10-13 23:41:52 -0600433 return 0;
434}
435
436UCLASS_DRIVER(spi) = {
437 .id = UCLASS_SPI,
438 .name = "spi",
Simon Glass9cc36a22015-01-25 08:27:05 -0700439 .flags = DM_UC_FLAG_SEQ_ALIAS,
Simon Glass71634f22016-11-13 14:22:01 -0700440#if !CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glass91195482016-07-05 17:10:10 -0600441 .post_bind = dm_scan_fdt_dev,
Simon Glass71634f22016-11-13 14:22:01 -0700442#endif
Simon Glassd7af6a42014-10-13 23:41:52 -0600443 .post_probe = spi_post_probe,
Simon Glass440714e2015-01-25 08:27:11 -0700444 .child_pre_probe = spi_child_pre_probe,
Simon Glassd7af6a42014-10-13 23:41:52 -0600445 .per_device_auto_alloc_size = sizeof(struct dm_spi_bus),
Simon Glass19a25f62015-01-25 08:27:07 -0700446 .per_child_auto_alloc_size = sizeof(struct spi_slave),
Simon Glassd0cff032015-01-25 08:27:12 -0700447 .per_child_platdata_auto_alloc_size =
448 sizeof(struct dm_spi_slave_platdata),
Simon Glass71634f22016-11-13 14:22:01 -0700449#if !CONFIG_IS_ENABLED(OF_PLATDATA)
Simon Glassd0cff032015-01-25 08:27:12 -0700450 .child_post_bind = spi_child_post_bind,
Simon Glass71634f22016-11-13 14:22:01 -0700451#endif
Simon Glassd7af6a42014-10-13 23:41:52 -0600452};
453
454UCLASS_DRIVER(spi_generic) = {
455 .id = UCLASS_SPI_GENERIC,
456 .name = "spi_generic",
457};
458
459U_BOOT_DRIVER(spi_generic_drv) = {
460 .name = "spi_generic_drv",
461 .id = UCLASS_SPI_GENERIC,
462};