diff options
Diffstat (limited to 'include/linux/i2c')
| -rw-r--r-- | include/linux/i2c/i2c-hid.h | 35 | ||||
| -rw-r--r-- | include/linux/i2c/pcf857x.h | 3 | ||||
| -rw-r--r-- | include/linux/i2c/twl.h | 73 |
3 files changed, 71 insertions, 40 deletions
diff --git a/include/linux/i2c/i2c-hid.h b/include/linux/i2c/i2c-hid.h new file mode 100644 index 000000000000..60e411d764d4 --- /dev/null +++ b/include/linux/i2c/i2c-hid.h @@ -0,0 +1,35 @@ +/* + * HID over I2C protocol implementation + * + * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#ifndef __LINUX_I2C_HID_H +#define __LINUX_I2C_HID_H + +#include <linux/types.h> + +/** + * struct i2chid_platform_data - used by hid over i2c implementation. + * @hid_descriptor_address: i2c register where the HID descriptor is stored. + * + * Note that it is the responsibility of the platform driver (or the acpi 5.0 + * driver) to setup the irq related to the gpio in the struct i2c_board_info. + * The platform driver should also setup the gpio according to the device: + * + * A typical example is the following: + * irq = gpio_to_irq(intr_gpio); + * hkdk4412_i2c_devs5[0].irq = irq; // store the irq in i2c_board_info + * gpio_request(intr_gpio, "elan-irq"); + * s3c_gpio_setpull(intr_gpio, S3C_GPIO_PULL_UP); + */ +struct i2c_hid_platform_data { + u16 hid_descriptor_address; +}; + +#endif /* __LINUX_I2C_HID_H */ diff --git a/include/linux/i2c/pcf857x.h b/include/linux/i2c/pcf857x.h index 781e6bd06c34..0767a2a6b2f1 100644 --- a/include/linux/i2c/pcf857x.h +++ b/include/linux/i2c/pcf857x.h @@ -10,7 +10,6 @@ * @setup: optional callback issued once the GPIOs are valid * @teardown: optional callback issued before the GPIOs are invalidated * @context: optional parameter passed to setup() and teardown() - * @irq: optional interrupt number * * In addition to the I2C_BOARD_INFO() state appropriate to each chip, * the i2c_board_info used with the pcf875x driver must provide its @@ -40,8 +39,6 @@ struct pcf857x_platform_data { int gpio, unsigned ngpio, void *context); void *context; - - int irq; }; #endif /* __LINUX_PCF857X_H */ diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h index 9a5e28462324..1ff54b114efc 100644 --- a/include/linux/i2c/twl.h +++ b/include/linux/i2c/twl.h @@ -39,52 +39,51 @@ * address each module uses within a given i2c slave. */ -/* Slave 0 (i2c address 0x48) */ -#define TWL4030_MODULE_USB 0x00 - -/* Slave 1 (i2c address 0x49) */ -#define TWL4030_MODULE_AUDIO_VOICE 0x01 -#define TWL4030_MODULE_GPIO 0x02 -#define TWL4030_MODULE_INTBR 0x03 -#define TWL4030_MODULE_PIH 0x04 -#define TWL4030_MODULE_TEST 0x05 - -/* Slave 2 (i2c address 0x4a) */ -#define TWL4030_MODULE_KEYPAD 0x06 -#define TWL4030_MODULE_MADC 0x07 -#define TWL4030_MODULE_INTERRUPTS 0x08 -#define TWL4030_MODULE_LED 0x09 -#define TWL4030_MODULE_MAIN_CHARGE 0x0A -#define TWL4030_MODULE_PRECHARGE 0x0B -#define TWL4030_MODULE_PWM0 0x0C -#define TWL4030_MODULE_PWM1 0x0D -#define TWL4030_MODULE_PWMA 0x0E -#define TWL4030_MODULE_PWMB 0x0F - -#define TWL5031_MODULE_ACCESSORY 0x10 -#define TWL5031_MODULE_INTERRUPTS 0x11 - -/* Slave 3 (i2c address 0x4b) */ -#define TWL4030_MODULE_BACKUP 0x12 -#define TWL4030_MODULE_INT 0x13 -#define TWL4030_MODULE_PM_MASTER 0x14 -#define TWL4030_MODULE_PM_RECEIVER 0x15 -#define TWL4030_MODULE_RTC 0x16 -#define TWL4030_MODULE_SECURED_REG 0x17 +enum twl4030_module_ids { + TWL4030_MODULE_USB = 0, /* Slave 0 (i2c address 0x48) */ + TWL4030_MODULE_AUDIO_VOICE, /* Slave 1 (i2c address 0x49) */ + TWL4030_MODULE_GPIO, + TWL4030_MODULE_INTBR, + TWL4030_MODULE_PIH, + + TWL4030_MODULE_TEST, + TWL4030_MODULE_KEYPAD, /* Slave 2 (i2c address 0x4a) */ + TWL4030_MODULE_MADC, + TWL4030_MODULE_INTERRUPTS, + TWL4030_MODULE_LED, + + TWL4030_MODULE_MAIN_CHARGE, + TWL4030_MODULE_PRECHARGE, + TWL4030_MODULE_PWM0, + TWL4030_MODULE_PWM1, + TWL4030_MODULE_PWMA, + + TWL4030_MODULE_PWMB, + TWL5031_MODULE_ACCESSORY, + TWL5031_MODULE_INTERRUPTS, + TWL4030_MODULE_BACKUP, /* Slave 3 (i2c address 0x4b) */ + TWL4030_MODULE_INT, + + TWL4030_MODULE_PM_MASTER, + TWL4030_MODULE_PM_RECEIVER, + TWL4030_MODULE_RTC, + TWL4030_MODULE_SECURED_REG, + TWL4030_MODULE_LAST, +}; +/* Similar functionalities implemented in TWL4030/6030 */ #define TWL_MODULE_USB TWL4030_MODULE_USB -#define TWL_MODULE_AUDIO_VOICE TWL4030_MODULE_AUDIO_VOICE #define TWL_MODULE_PIH TWL4030_MODULE_PIH -#define TWL_MODULE_MADC TWL4030_MODULE_MADC #define TWL_MODULE_MAIN_CHARGE TWL4030_MODULE_MAIN_CHARGE #define TWL_MODULE_PM_MASTER TWL4030_MODULE_PM_MASTER #define TWL_MODULE_PM_RECEIVER TWL4030_MODULE_PM_RECEIVER #define TWL_MODULE_RTC TWL4030_MODULE_RTC #define TWL_MODULE_PWM TWL4030_MODULE_PWM0 +#define TWL_MODULE_LED TWL4030_MODULE_LED -#define TWL6030_MODULE_ID0 0x0D -#define TWL6030_MODULE_ID1 0x0E -#define TWL6030_MODULE_ID2 0x0F +#define TWL6030_MODULE_ID0 13 +#define TWL6030_MODULE_ID1 14 +#define TWL6030_MODULE_ID2 15 #define GPIO_INTR_OFFSET 0 #define KEYPAD_INTR_OFFSET 1 |