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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-17 09:32:49 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-17 09:32:49 -0300 |
commit | 214e2ca2b82d335935a861c253fe94c61ad77aad (patch) | |
tree | eee42ff74d10470789d919b8499737ad0e919360 /include/linux/mfd/smsc.h | |
parent | 1fdead8ad31d3aa833bc37739273fcde89ace93c (diff) | |
parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) | |
download | linux-214e2ca2b82d335935a861c253fe94c61ad77aad.tar.gz linux-214e2ca2b82d335935a861c253fe94c61ad77aad.tar.bz2 linux-214e2ca2b82d335935a861c253fe94c61ad77aad.zip |
Merge tag 'v3.7-rc1' into staging/for_v3.8
Linux 3.7-rc1
* tag 'v3.7-rc1': (9579 commits)
Linux 3.7-rc1
x86, boot: Explicitly include autoconf.h for hostprogs
perf: Fix UAPI fallout
ARM: config: make sure that platforms are ordered by option string
ARM: config: sort select statements alphanumerically
UAPI: (Scripted) Disintegrate include/linux/byteorder
UAPI: (Scripted) Disintegrate include/linux
UAPI: Unexport linux/blk_types.h
UAPI: Unexport part of linux/ppp-comp.h
perf: Handle new rbtree implementation
procfs: don't need a PATH_MAX allocation to hold a string representation of an int
vfs: embed struct filename inside of names_cache allocation if possible
audit: make audit_inode take struct filename
vfs: make path_openat take a struct filename pointer
vfs: turn do_path_lookup into wrapper around struct filename variant
audit: allow audit code to satisfy getname requests from its names_list
vfs: define struct filename and have getname() return it
btrfs: Fix compilation with user namespace support enabled
userns: Fix posix_acl_file_xattr_userns gid conversion
userns: Properly print bluetooth socket uids
...
Diffstat (limited to 'include/linux/mfd/smsc.h')
-rw-r--r-- | include/linux/mfd/smsc.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/include/linux/mfd/smsc.h b/include/linux/mfd/smsc.h new file mode 100644 index 000000000000..9747b29f356f --- /dev/null +++ b/include/linux/mfd/smsc.h @@ -0,0 +1,109 @@ +/* + * SMSC ECE1099 + * + * Copyright 2012 Texas Instruments Inc. + * + * Author: Sourav Poddar <sourav.poddar@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_SMSC_H +#define __LINUX_MFD_SMSC_H + +#include <linux/regmap.h> + +#define SMSC_ID_ECE1099 1 +#define SMSC_NUM_CLIENTS 2 + +#define SMSC_BASE_ADDR 0x38 +#define OMAP_GPIO_SMSC_IRQ 151 + +#define SMSC_MAXGPIO 32 +#define SMSC_BANK(offs) ((offs) >> 3) +#define SMSC_BIT(offs) (1u << ((offs) & 0x7)) + +struct smsc { + struct device *dev; + struct i2c_client *i2c_clients[SMSC_NUM_CLIENTS]; + struct regmap *regmap; + int clk; + /* Stored chip id */ + int id; +}; + +struct smsc_gpio; +struct smsc_keypad; + +static inline int smsc_read(struct device *child, unsigned int reg, + unsigned int *dest) +{ + struct smsc *smsc = dev_get_drvdata(child->parent); + + return regmap_read(smsc->regmap, reg, dest); +} + +static inline int smsc_write(struct device *child, unsigned int reg, + unsigned int value) +{ + struct smsc *smsc = dev_get_drvdata(child->parent); + + return regmap_write(smsc->regmap, reg, value); +} + +/* Registers for SMSC */ +#define SMSC_RESET 0xF5 +#define SMSC_GRP_INT 0xF9 +#define SMSC_CLK_CTRL 0xFA +#define SMSC_WKUP_CTRL 0xFB +#define SMSC_DEV_ID 0xFC +#define SMSC_DEV_REV 0xFD +#define SMSC_VEN_ID_L 0xFE +#define SMSC_VEN_ID_H 0xFF + +/* CLK VALUE */ +#define SMSC_CLK_VALUE 0x13 + +/* Registers for function GPIO INPUT */ +#define SMSC_GPIO_DATA_IN_START 0x00 + +/* Registers for function GPIO OUPUT */ +#define SMSC_GPIO_DATA_OUT_START 0x05 + +/* Definitions for SMSC GPIO CONFIGURATION REGISTER*/ +#define SMSC_GPIO_INPUT_LOW 0x01 +#define SMSC_GPIO_INPUT_RISING 0x09 +#define SMSC_GPIO_INPUT_FALLING 0x11 +#define SMSC_GPIO_INPUT_BOTH_EDGE 0x19 +#define SMSC_GPIO_OUTPUT_PP 0x21 +#define SMSC_GPIO_OUTPUT_OP 0x31 + +#define GRP_INT_STAT 0xf9 +#define SMSC_GPI_INT 0x0f +#define SMSC_CFG_START 0x0A + +/* Registers for SMSC GPIO INTERRUPT STATUS REGISTER*/ +#define SMSC_GPIO_INT_STAT_START 0x32 + +/* Registers for SMSC GPIO INTERRUPT MASK REGISTER*/ +#define SMSC_GPIO_INT_MASK_START 0x37 + +/* Registers for SMSC function KEYPAD*/ +#define SMSC_KP_OUT 0x40 +#define SMSC_KP_IN 0x41 +#define SMSC_KP_INT_STAT 0x42 +#define SMSC_KP_INT_MASK 0x43 + +/* Definitions for keypad */ +#define SMSC_KP_KSO 0x70 +#define SMSC_KP_KSI 0x51 +#define SMSC_KSO_ALL_LOW 0x20 +#define SMSC_KP_SET_LOW_PWR 0x0B +#define SMSC_KP_SET_HIGH 0xFF +#define SMSC_KSO_EVAL 0x00 + +#endif /* __LINUX_MFD_SMSC_H */ |