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-rw-r--r--include/linux/spi/eeprom.h6
-rw-r--r--include/linux/spi/spi_gpio.h6
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h
index 1085212c446e..306e7b1c69ed 100644
--- a/include/linux/spi/eeprom.h
+++ b/include/linux/spi/eeprom.h
@@ -1,6 +1,8 @@
1#ifndef __LINUX_SPI_EEPROM_H 1#ifndef __LINUX_SPI_EEPROM_H
2#define __LINUX_SPI_EEPROM_H 2#define __LINUX_SPI_EEPROM_H
3 3
4#include <linux/memory.h>
5
4/* 6/*
5 * Put one of these structures in platform_data for SPI EEPROMS handled 7 * Put one of these structures in platform_data for SPI EEPROMS handled
6 * by the "at25" driver. On SPI, most EEPROMS understand the same core 8 * by the "at25" driver. On SPI, most EEPROMS understand the same core
@@ -17,6 +19,10 @@ struct spi_eeprom {
17#define EE_ADDR2 0x0002 /* 16 bit addrs */ 19#define EE_ADDR2 0x0002 /* 16 bit addrs */
18#define EE_ADDR3 0x0004 /* 24 bit addrs */ 20#define EE_ADDR3 0x0004 /* 24 bit addrs */
19#define EE_READONLY 0x0008 /* disallow writes */ 21#define EE_READONLY 0x0008 /* disallow writes */
22
23 /* for exporting this chip's data to other kernel code */
24 void (*setup)(struct memory_accessor *mem, void *context);
25 void *context;
20}; 26};
21 27
22#endif /* __LINUX_SPI_EEPROM_H */ 28#endif /* __LINUX_SPI_EEPROM_H */
diff --git a/include/linux/spi/spi_gpio.h b/include/linux/spi/spi_gpio.h
index 0f01a0f1f40c..ca6782ee4b9f 100644
--- a/include/linux/spi/spi_gpio.h
+++ b/include/linux/spi/spi_gpio.h
@@ -25,10 +25,16 @@
25 * ... 25 * ...
26 * }; 26 * };
27 * 27 *
28 * If chipselect is not used (there's only one device on the bus), assign
29 * SPI_GPIO_NO_CHIPSELECT to the controller_data:
30 * .controller_data = (void *) SPI_GPIO_NO_CHIPSELECT;
31 *
28 * If the bitbanged bus is later switched to a "native" controller, 32 * If the bitbanged bus is later switched to a "native" controller,
29 * that platform_device and controller_data should be removed. 33 * that platform_device and controller_data should be removed.
30 */ 34 */
31 35
36#define SPI_GPIO_NO_CHIPSELECT ((unsigned long)-1l)
37
32/** 38/**
33 * struct spi_gpio_platform_data - parameter for bitbanged SPI master 39 * struct spi_gpio_platform_data - parameter for bitbanged SPI master
34 * @sck: number of the GPIO used for clock output 40 * @sck: number of the GPIO used for clock output