1 files changed, 195 insertions, 0 deletions

diff --git a/include/linux/mfd/tc3589x.h b/include/linux/mfd/tc3589x.h
new file mode 100644
index 000000000000..16c76e124f9c
--- /dev/null
+++ b/include/linux/mfd/tc3589x.h
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ */
+
+#ifndef __LINUX_MFD_TC3589x_H
+#define __LINUX_MFD_TC3589x_H
+
+#include <linux/device.h>
+
+enum tx3589x_block {
+        TC3589x_BLOCK_GPIO        = 1 << 0,
+        TC3589x_BLOCK_KEYPAD      = 1 << 1,
+};
+
+#define TC3589x_RSTCTRL_IRQRST  (1 << 4)
+#define TC3589x_RSTCTRL_TIMRST  (1 << 3)
+#define TC3589x_RSTCTRL_ROTRST  (1 << 2)
+#define TC3589x_RSTCTRL_KBDRST  (1 << 1)
+#define TC3589x_RSTCTRL_GPIRST  (1 << 0)
+
+/* Keyboard Configuration Registers */
+#define TC3589x_KBDSETTLE_REG   0x01
+#define TC3589x_KBDBOUNCE       0x02
+#define TC3589x_KBDSIZE         0x03
+#define TC3589x_KBCFG_LSB       0x04
+#define TC3589x_KBCFG_MSB       0x05
+#define TC3589x_KBDIC           0x08
+#define TC3589x_KBDMSK          0x09
+#define TC3589x_EVTCODE_FIFO    0x10
+#define TC3589x_KBDMFS          0x8F
+
+#define TC3589x_IRQST           0x91
+
+#define TC3589x_MANFCODE_MAGIC  0x03
+#define TC3589x_MANFCODE        0x80
+#define TC3589x_VERSION         0x81
+#define TC3589x_IOCFG           0xA7
+
+#define TC3589x_CLKMODE         0x88
+#define TC3589x_CLKCFG          0x89
+#define TC3589x_CLKEN           0x8A
+
+#define TC3589x_RSTCTRL         0x82
+#define TC3589x_EXTRSTN         0x83
+#define TC3589x_RSTINTCLR       0x84
+
+/* Pull up/down configuration registers */
+#define TC3589x_IOCFG           0xA7
+#define TC3589x_IOPULLCFG0_LSB  0xAA
+#define TC3589x_IOPULLCFG0_MSB  0xAB
+#define TC3589x_IOPULLCFG1_LSB  0xAC
+#define TC3589x_IOPULLCFG1_MSB  0xAD
+#define TC3589x_IOPULLCFG2_LSB  0xAE
+
+#define TC3589x_GPIOIS0         0xC9
+#define TC3589x_GPIOIS1         0xCA
+#define TC3589x_GPIOIS2         0xCB
+#define TC3589x_GPIOIBE0        0xCC
+#define TC3589x_GPIOIBE1        0xCD
+#define TC3589x_GPIOIBE2        0xCE
+#define TC3589x_GPIOIEV0        0xCF
+#define TC3589x_GPIOIEV1        0xD0
+#define TC3589x_GPIOIEV2        0xD1
+#define TC3589x_GPIOIE0         0xD2
+#define TC3589x_GPIOIE1         0xD3
+#define TC3589x_GPIOIE2         0xD4
+#define TC3589x_GPIORIS0        0xD6
+#define TC3589x_GPIORIS1        0xD7
+#define TC3589x_GPIORIS2        0xD8
+#define TC3589x_GPIOMIS0        0xD9
+#define TC3589x_GPIOMIS1        0xDA
+#define TC3589x_GPIOMIS2        0xDB
+#define TC3589x_GPIOIC0         0xDC
+#define TC3589x_GPIOIC1         0xDD
+#define TC3589x_GPIOIC2         0xDE
+
+#define TC3589x_GPIODATA0       0xC0
+#define TC3589x_GPIOMASK0       0xc1
+#define TC3589x_GPIODATA1       0xC2
+#define TC3589x_GPIOMASK1       0xc3
+#define TC3589x_GPIODATA2       0xC4
+#define TC3589x_GPIOMASK2       0xC5
+
+#define TC3589x_GPIODIR0        0xC6
+#define TC3589x_GPIODIR1        0xC7
+#define TC3589x_GPIODIR2        0xC8
+
+#define TC3589x_GPIOSYNC0       0xE6
+#define TC3589x_GPIOSYNC1       0xE7
+#define TC3589x_GPIOSYNC2       0xE8
+
+#define TC3589x_GPIOWAKE0       0xE9
+#define TC3589x_GPIOWAKE1       0xEA
+#define TC3589x_GPIOWAKE2       0xEB
+
+#define TC3589x_GPIOODM0        0xE0
+#define TC3589x_GPIOODE0        0xE1
+#define TC3589x_GPIOODM1        0xE2
+#define TC3589x_GPIOODE1        0xE3
+#define TC3589x_GPIOODM2        0xE4
+#define TC3589x_GPIOODE2        0xE5
+
+#define TC3589x_INT_GPIIRQ      0
+#define TC3589x_INT_TI0IRQ      1
+#define TC3589x_INT_TI1IRQ      2
+#define TC3589x_INT_TI2IRQ      3
+#define TC3589x_INT_ROTIRQ      5
+#define TC3589x_INT_KBDIRQ      6
+#define TC3589x_INT_PORIRQ      7
+
+#define TC3589x_NR_INTERNAL_IRQS        8
+#define TC3589x_INT_GPIO(x)     (TC3589x_NR_INTERNAL_IRQS + (x))
+
+struct tc3589x {
+        struct mutex lock;
+        struct device *dev;
+        struct i2c_client *i2c;
+
+        int irq_base;
+        int num_gpio;
+        struct tc3589x_platform_data *pdata;
+};
+
+extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
+extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
+extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
+                              u8 *values);
+extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
+                               const u8 *values);
+extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
+
+/*
+ * Keypad related platform specific constants
+ * These values may be modified for fine tuning
+ */
+#define TC_KPD_ROWS             0x8
+#define TC_KPD_COLUMNS          0x8
+#define TC_KPD_DEBOUNCE_PERIOD  0xA3
+#define TC_KPD_SETTLE_TIME      0xA3
+
+/**
+ * struct tc35893_platform_data - data structure for platform specific data
+ * @keymap_data:        matrix scan code table for keycodes
+ * @krow:               mask for available rows, value is 0xFF
+ * @kcol:               mask for available columns, value is 0xFF
+ * @debounce_period:    platform specific debounce time
+ * @settle_time:        platform specific settle down time
+ * @irqtype:            type of interrupt, falling or rising edge
+ * @enable_wakeup:      specifies if keypad event can wake up system from sleep
+ * @no_autorepeat:      flag for auto repetition
+ */
+struct tc3589x_keypad_platform_data {
+        const struct matrix_keymap_data *keymap_data;
+        u8                      krow;
+        u8                      kcol;
+        u8                      debounce_period;
+        u8                      settle_time;
+        unsigned long           irqtype;
+        bool                    enable_wakeup;
+        bool                    no_autorepeat;
+};
+
+/**
+ * struct tc3589x_gpio_platform_data - TC3589x GPIO platform data
+ * @gpio_base: first gpio number assigned to TC3589x.  A maximum of
+ *             %TC3589x_NR_GPIOS GPIOs will be allocated.
+ * @setup: callback for board-specific initialization
+ * @remove: callback for board-specific teardown
+ */
+struct tc3589x_gpio_platform_data {
+        int gpio_base;
+        void (*setup)(struct tc3589x *tc3589x, unsigned gpio_base);
+        void (*remove)(struct tc3589x *tc3589x, unsigned gpio_base);
+};
+
+/**
+ * struct tc3589x_platform_data - TC3589x platform data
+ * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
+ * @irq_base: base IRQ number.  %TC3589x_NR_IRQS irqs will be used.
+ * @gpio: GPIO-specific platform data
+ * @keypad: keypad-specific platform data
+ */
+struct tc3589x_platform_data {
+        unsigned int block;
+        int irq_base;
+        struct tc3589x_gpio_platform_data *gpio;
+        const struct tc3589x_keypad_platform_data *keypad;
+};
+
+#define TC3589x_NR_GPIOS        24
+#define TC3589x_NR_IRQS         TC3589x_INT_GPIO(TC3589x_NR_GPIOS)
+
+#endif