diff options
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/ads7846.h | 1 | ||||
| -rw-r--r-- | include/linux/spi/libertas_spi.h | 3 | ||||
| -rw-r--r-- | include/linux/spi/spi.h | 28 | ||||
| -rw-r--r-- | include/linux/spi/wl12xx.h | 31 |
4 files changed, 36 insertions, 27 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 2ea20320c093..51948eb6927a 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h | |||
| @@ -17,6 +17,7 @@ struct ads7846_platform_data { | |||
| 17 | u16 vref_mv; /* external vref value, milliVolts */ | 17 | u16 vref_mv; /* external vref value, milliVolts */ |
| 18 | bool keep_vref_on; /* set to keep vref on for differential | 18 | bool keep_vref_on; /* set to keep vref on for differential |
| 19 | * measurements as well */ | 19 | * measurements as well */ |
| 20 | bool swap_xy; /* swap x and y axes */ | ||
| 20 | 21 | ||
| 21 | /* Settling time of the analog signals; a function of Vcc and the | 22 | /* Settling time of the analog signals; a function of Vcc and the |
| 22 | * capacitance on the X/Y drivers. If set to non-zero, two samples | 23 | * capacitance on the X/Y drivers. If set to non-zero, two samples |
diff --git a/include/linux/spi/libertas_spi.h b/include/linux/spi/libertas_spi.h index 79506f5f9e67..1b5d5384fcd3 100644 --- a/include/linux/spi/libertas_spi.h +++ b/include/linux/spi/libertas_spi.h | |||
| @@ -22,9 +22,6 @@ struct libertas_spi_platform_data { | |||
| 22 | * speed, you may want to use 0 here. */ | 22 | * speed, you may want to use 0 here. */ |
| 23 | u16 use_dummy_writes; | 23 | u16 use_dummy_writes; |
| 24 | 24 | ||
| 25 | /* GPIO number to use as chip select */ | ||
| 26 | u16 gpio_cs; | ||
| 27 | |||
| 28 | /* Board specific setup/teardown */ | 25 | /* Board specific setup/teardown */ |
| 29 | int (*setup)(struct spi_device *spi); | 26 | int (*setup)(struct spi_device *spi); |
| 30 | int (*teardown)(struct spi_device *spi); | 27 | int (*teardown)(struct spi_device *spi); |
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a0faa18f7b1b..9c4cd27f4685 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h | |||
| @@ -245,6 +245,9 @@ struct spi_master { | |||
| 245 | */ | 245 | */ |
| 246 | u16 dma_alignment; | 246 | u16 dma_alignment; |
| 247 | 247 | ||
| 248 | /* spi_device.mode flags understood by this controller driver */ | ||
| 249 | u16 mode_bits; | ||
| 250 | |||
| 248 | /* Setup mode and clock, etc (spi driver may call many times). | 251 | /* Setup mode and clock, etc (spi driver may call many times). |
| 249 | * | 252 | * |
| 250 | * IMPORTANT: this may be called when transfers to another | 253 | * IMPORTANT: this may be called when transfers to another |
| @@ -523,30 +526,7 @@ static inline void spi_message_free(struct spi_message *m) | |||
| 523 | kfree(m); | 526 | kfree(m); |
| 524 | } | 527 | } |
| 525 | 528 | ||
| 526 | /** | 529 | extern int spi_setup(struct spi_device *spi); |
| 527 | * spi_setup - setup SPI mode and clock rate | ||
| 528 | * @spi: the device whose settings are being modified | ||
| 529 | * Context: can sleep, and no requests are queued to the device | ||
| 530 | * | ||
| 531 | * SPI protocol drivers may need to update the transfer mode if the | ||
| 532 | * device doesn't work with its default. They may likewise need | ||
| 533 | * to update clock rates or word sizes from initial values. This function | ||
| 534 | * changes those settings, and must be called from a context that can sleep. | ||
| 535 | * Except for SPI_CS_HIGH, which takes effect immediately, the changes take | ||
| 536 | * effect the next time the device is selected and data is transferred to | ||
| 537 | * or from it. When this function returns, the spi device is deselected. | ||
| 538 | * | ||
| 539 | * Note that this call will fail if the protocol driver specifies an option | ||
| 540 | * that the underlying controller or its driver does not support. For | ||
| 541 | * example, not all hardware supports wire transfers using nine bit words, | ||
| 542 | * LSB-first wire encoding, or active-high chipselects. | ||
| 543 | */ | ||
| 544 | static inline int | ||
| 545 | spi_setup(struct spi_device *spi) | ||
| 546 | { | ||
| 547 | return spi->master->setup(spi); | ||
| 548 | } | ||
| 549 | |||
| 550 | 530 | ||
| 551 | /** | 531 | /** |
| 552 | * spi_async - asynchronous SPI transfer | 532 | * spi_async - asynchronous SPI transfer |
diff --git a/include/linux/spi/wl12xx.h b/include/linux/spi/wl12xx.h new file mode 100644 index 000000000000..11430cab2aad --- /dev/null +++ b/include/linux/spi/wl12xx.h | |||
| @@ -0,0 +1,31 @@ | |||
| 1 | /* | ||
| 2 | * This file is part of wl12xx | ||
| 3 | * | ||
| 4 | * Copyright (C) 2009 Nokia Corporation | ||
| 5 | * | ||
| 6 | * Contact: Kalle Valo <kalle.valo@nokia.com> | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU General Public License | ||
| 10 | * version 2 as published by the Free Software Foundation. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but | ||
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License | ||
| 18 | * along with this program; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
| 20 | * 02110-1301 USA | ||
| 21 | * | ||
| 22 | */ | ||
| 23 | |||
| 24 | #ifndef _LINUX_SPI_WL12XX_H | ||
| 25 | #define _LINUX_SPI_WL12XX_H | ||
| 26 | |||
| 27 | struct wl12xx_platform_data { | ||
| 28 | void (*set_power)(bool enable); | ||
| 29 | }; | ||
| 30 | |||
| 31 | #endif | ||
