Input: ADP5589 - new driver for I2C Keypad Decoder and I/O Expander

From http://www.analog.com/ADP5589:
The ADP5589 is an I/O port expander and keypad matrix decoder designed
for QWERTY type phones that require a large keypad matrix and expanded
I/O lines.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 213 insertions, 0 deletions

diff --git a/include/linux/input/adp5589.h b/include/linux/input/adp5589.h
new file mode 100644
index 000000000000..ef792ecfaabf
--- /dev/null
+++ b/include/linux/input/adp5589.h
@@ -0,0 +1,213 @@
+/*
+ * Analog Devices ADP5589 I/O Expander and QWERTY Keypad Controller
+ *
+ * Copyright 2010-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef _ADP5589_H
+#define _ADP5589_H
+
+#define ADP5589_ID                      0x00
+#define ADP5589_INT_STATUS              0x01
+#define ADP5589_STATUS                  0x02
+#define ADP5589_FIFO_1                  0x03
+#define ADP5589_FIFO_2                  0x04
+#define ADP5589_FIFO_3                  0x05
+#define ADP5589_FIFO_4                  0x06
+#define ADP5589_FIFO_5                  0x07
+#define ADP5589_FIFO_6                  0x08
+#define ADP5589_FIFO_7                  0x09
+#define ADP5589_FIFO_8                  0x0A
+#define ADP5589_FIFO_9                  0x0B
+#define ADP5589_FIFO_10                 0x0C
+#define ADP5589_FIFO_11                 0x0D
+#define ADP5589_FIFO_12                 0x0E
+#define ADP5589_FIFO_13                 0x0F
+#define ADP5589_FIFO_14                 0x10
+#define ADP5589_FIFO_15                 0x11
+#define ADP5589_FIFO_16                 0x12
+#define ADP5589_GPI_INT_STAT_A          0x13
+#define ADP5589_GPI_INT_STAT_B          0x14
+#define ADP5589_GPI_INT_STAT_C          0x15
+#define ADP5589_GPI_STATUS_A            0x16
+#define ADP5589_GPI_STATUS_B            0x17
+#define ADP5589_GPI_STATUS_C            0x18
+#define ADP5589_RPULL_CONFIG_A          0x19
+#define ADP5589_RPULL_CONFIG_B          0x1A
+#define ADP5589_RPULL_CONFIG_C          0x1B
+#define ADP5589_RPULL_CONFIG_D          0x1C
+#define ADP5589_RPULL_CONFIG_E          0x1D
+#define ADP5589_GPI_INT_LEVEL_A         0x1E
+#define ADP5589_GPI_INT_LEVEL_B         0x1F
+#define ADP5589_GPI_INT_LEVEL_C         0x20
+#define ADP5589_GPI_EVENT_EN_A          0x21
+#define ADP5589_GPI_EVENT_EN_B          0x22
+#define ADP5589_GPI_EVENT_EN_C          0x23
+#define ADP5589_GPI_INTERRUPT_EN_A      0x24
+#define ADP5589_GPI_INTERRUPT_EN_B      0x25
+#define ADP5589_GPI_INTERRUPT_EN_C      0x26
+#define ADP5589_DEBOUNCE_DIS_A          0x27
+#define ADP5589_DEBOUNCE_DIS_B          0x28
+#define ADP5589_DEBOUNCE_DIS_C          0x29
+#define ADP5589_GPO_DATA_OUT_A          0x2A
+#define ADP5589_GPO_DATA_OUT_B          0x2B
+#define ADP5589_GPO_DATA_OUT_C          0x2C
+#define ADP5589_GPO_OUT_MODE_A          0x2D
+#define ADP5589_GPO_OUT_MODE_B          0x2E
+#define ADP5589_GPO_OUT_MODE_C          0x2F
+#define ADP5589_GPIO_DIRECTION_A        0x30
+#define ADP5589_GPIO_DIRECTION_B        0x31
+#define ADP5589_GPIO_DIRECTION_C        0x32
+#define ADP5589_UNLOCK1                 0x33
+#define ADP5589_UNLOCK2                 0x34
+#define ADP5589_EXT_LOCK_EVENT          0x35
+#define ADP5589_UNLOCK_TIMERS           0x36
+#define ADP5589_LOCK_CFG                0x37
+#define ADP5589_RESET1_EVENT_A          0x38
+#define ADP5589_RESET1_EVENT_B          0x39
+#define ADP5589_RESET1_EVENT_C          0x3A
+#define ADP5589_RESET2_EVENT_A          0x3B
+#define ADP5589_RESET2_EVENT_B          0x3C
+#define ADP5589_RESET_CFG               0x3D
+#define ADP5589_PWM_OFFT_LOW            0x3E
+#define ADP5589_PWM_OFFT_HIGH           0x3F
+#define ADP5589_PWM_ONT_LOW             0x40
+#define ADP5589_PWM_ONT_HIGH            0x41
+#define ADP5589_PWM_CFG                 0x42
+#define ADP5589_CLOCK_DIV_CFG           0x43
+#define ADP5589_LOGIC_1_CFG             0x44
+#define ADP5589_LOGIC_2_CFG             0x45
+#define ADP5589_LOGIC_FF_CFG            0x46
+#define ADP5589_LOGIC_INT_EVENT_EN      0x47
+#define ADP5589_POLL_PTIME_CFG          0x48
+#define ADP5589_PIN_CONFIG_A            0x49
+#define ADP5589_PIN_CONFIG_B            0x4A
+#define ADP5589_PIN_CONFIG_C            0x4B
+#define ADP5589_PIN_CONFIG_D            0x4C
+#define ADP5589_GENERAL_CFG             0x4D
+#define ADP5589_INT_EN                  0x4E
+
+#define ADP5589_DEVICE_ID_MASK  0xF
+
+/* Put one of these structures in i2c_board_info platform_data */
+
+#define ADP5589_KEYMAPSIZE      88
+
+#define ADP5589_GPI_PIN_ROW0 97
+#define ADP5589_GPI_PIN_ROW1 98
+#define ADP5589_GPI_PIN_ROW2 99
+#define ADP5589_GPI_PIN_ROW3 100
+#define ADP5589_GPI_PIN_ROW4 101
+#define ADP5589_GPI_PIN_ROW5 102
+#define ADP5589_GPI_PIN_ROW6 103
+#define ADP5589_GPI_PIN_ROW7 104
+#define ADP5589_GPI_PIN_COL0 105
+#define ADP5589_GPI_PIN_COL1 106
+#define ADP5589_GPI_PIN_COL2 107
+#define ADP5589_GPI_PIN_COL3 108
+#define ADP5589_GPI_PIN_COL4 109
+#define ADP5589_GPI_PIN_COL5 110
+#define ADP5589_GPI_PIN_COL6 111
+#define ADP5589_GPI_PIN_COL7 112
+#define ADP5589_GPI_PIN_COL8 113
+#define ADP5589_GPI_PIN_COL9 114
+#define ADP5589_GPI_PIN_COL10 115
+#define GPI_LOGIC1 116
+#define GPI_LOGIC2 117
+
+#define ADP5589_GPI_PIN_ROW_BASE ADP5589_GPI_PIN_ROW0
+#define ADP5589_GPI_PIN_ROW_END ADP5589_GPI_PIN_ROW7
+#define ADP5589_GPI_PIN_COL_BASE ADP5589_GPI_PIN_COL0
+#define ADP5589_GPI_PIN_COL_END ADP5589_GPI_PIN_COL10
+
+#define ADP5589_GPI_PIN_BASE ADP5589_GPI_PIN_ROW_BASE
+#define ADP5589_GPI_PIN_END ADP5589_GPI_PIN_COL_END
+
+#define ADP5589_GPIMAPSIZE_MAX (ADP5589_GPI_PIN_END - ADP5589_GPI_PIN_BASE + 1)
+
+struct adp5589_gpi_map {
+        unsigned short pin;
+        unsigned short sw_evt;
+};
+
+/* scan_cycle_time */
+#define ADP5589_SCAN_CYCLE_10ms         0
+#define ADP5589_SCAN_CYCLE_20ms         1
+#define ADP5589_SCAN_CYCLE_30ms         2
+#define ADP5589_SCAN_CYCLE_40ms         3
+
+/* RESET_CFG */
+#define RESET_PULSE_WIDTH_500us         0
+#define RESET_PULSE_WIDTH_1ms           1
+#define RESET_PULSE_WIDTH_2ms           2
+#define RESET_PULSE_WIDTH_10ms          3
+
+#define RESET_TRIG_TIME_0ms             (0 << 2)
+#define RESET_TRIG_TIME_1000ms          (1 << 2)
+#define RESET_TRIG_TIME_1500ms          (2 << 2)
+#define RESET_TRIG_TIME_2000ms          (3 << 2)
+#define RESET_TRIG_TIME_2500ms          (4 << 2)
+#define RESET_TRIG_TIME_3000ms          (5 << 2)
+#define RESET_TRIG_TIME_3500ms          (6 << 2)
+#define RESET_TRIG_TIME_4000ms          (7 << 2)
+
+#define RESET_PASSTHRU_EN               (1 << 5)
+#define RESET1_POL_HIGH                 (1 << 6)
+#define RESET1_POL_LOW                  (0 << 6)
+#define RESET2_POL_HIGH                 (1 << 7)
+#define RESET2_POL_LOW                  (0 << 7)
+
+/* Mask Bits:
+ * C C C C C C C C C C C | R R R R R R R R
+ * 1 9 8 7 6 5 4 3 2 1 0 | 7 6 5 4 3 2 1 0
+ * 0
+ * ---------------- BIT ------------------
+ * 1 1 1 1 1 1 1 1 1 0 0 | 0 0 0 0 0 0 0 0
+ * 8 7 6 5 4 3 2 1 0 9 8 | 7 6 5 4 3 2 1 0
+ */
+
+#define ADP_ROW(x)                      (1 << (x))
+#define ADP_COL(x)                      (1 << (x + 8))
+
+struct adp5589_kpad_platform_data {
+        unsigned keypad_en_mask;        /* Keypad (Rows/Columns) enable mask */
+        const unsigned short *keymap;   /* Pointer to keymap */
+        unsigned short keymapsize;      /* Keymap size */
+        bool repeat;                    /* Enable key repeat */
+        bool en_keylock;                /* Enable key lock feature */
+        unsigned char unlock_key1;      /* Unlock Key 1 */
+        unsigned char unlock_key2;      /* Unlock Key 2 */
+        unsigned char unlock_timer;     /* Time in seconds [0..7] between the two unlock keys 0=disable */
+        unsigned char scan_cycle_time;  /* Time between consecutive scan cycles */
+        unsigned char reset_cfg;        /* Reset config */
+        unsigned short reset1_key_1;    /* Reset Key 1 */
+        unsigned short reset1_key_2;    /* Reset Key 2 */
+        unsigned short reset1_key_3;    /* Reset Key 3 */
+        unsigned short reset2_key_1;    /* Reset Key 1 */
+        unsigned short reset2_key_2;    /* Reset Key 2 */
+        unsigned debounce_dis_mask;     /* Disable debounce mask */
+        unsigned pull_dis_mask;         /* Disable all pull resistors mask */
+        unsigned pullup_en_100k;        /* Pull-Up 100k Enable Mask */
+        unsigned pullup_en_300k;        /* Pull-Up 300k Enable Mask */
+        unsigned pulldown_en_300k;      /* Pull-Down 300k Enable Mask */
+        const struct adp5589_gpi_map *gpimap;
+        unsigned short gpimapsize;
+        const struct adp5589_gpio_platform_data *gpio_data;
+};
+
+struct i2c_client; /* forward declaration */
+
+struct adp5589_gpio_platform_data {
+        int     gpio_start;     /* GPIO Chip base # */
+        int     (*setup)(struct i2c_client *client,
+                                int gpio, unsigned ngpio,
+                                void *context);
+        int     (*teardown)(struct i2c_client *client,
+                                int gpio, unsigned ngpio,
+                                void *context);
+        void    *context;
+};
+
+#endif