Input: add driver for ADP5588 QWERTY I2C Keypad

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

1 files changed, 92 insertions, 0 deletions

diff --git a/include/linux/i2c/adp5588.h b/include/linux/i2c/adp5588.h
new file mode 100644
index 000000000000..fc5db826b48e
--- /dev/null
+++ b/include/linux/i2c/adp5588.h
@@ -0,0 +1,92 @@
+/*
+ * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _ADP5588_H
+#define _ADP5588_H
+
+#define DEV_ID 0x00             /* Device ID */
+#define CFG 0x01                /* Configuration Register1 */
+#define INT_STAT 0x02           /* Interrupt Status Register */
+#define KEY_LCK_EC_STAT 0x03    /* Key Lock and Event Counter Register */
+#define Key_EVENTA 0x04         /* Key Event Register A */
+#define Key_EVENTB 0x05         /* Key Event Register B */
+#define Key_EVENTC 0x06         /* Key Event Register C */
+#define Key_EVENTD 0x07         /* Key Event Register D */
+#define Key_EVENTE 0x08         /* Key Event Register E */
+#define Key_EVENTF 0x09         /* Key Event Register F */
+#define Key_EVENTG 0x0A         /* Key Event Register G */
+#define Key_EVENTH 0x0B         /* Key Event Register H */
+#define Key_EVENTI 0x0C         /* Key Event Register I */
+#define Key_EVENTJ 0x0D         /* Key Event Register J */
+#define KP_LCK_TMR 0x0E         /* Keypad Lock1 to Lock2 Timer */
+#define UNLOCK1 0x0F            /* Unlock Key1 */
+#define UNLOCK2 0x10            /* Unlock Key2 */
+#define GPIO_INT_STAT1 0x11     /* GPIO Interrupt Status */
+#define GPIO_INT_STAT2 0x12     /* GPIO Interrupt Status */
+#define GPIO_INT_STAT3 0x13     /* GPIO Interrupt Status */
+#define GPIO_DAT_STAT1 0x14     /* GPIO Data Status, Read twice to clear */
+#define GPIO_DAT_STAT2 0x15     /* GPIO Data Status, Read twice to clear */
+#define GPIO_DAT_STAT3 0x16     /* GPIO Data Status, Read twice to clear */
+#define GPIO_DAT_OUT1 0x17      /* GPIO DATA OUT */
+#define GPIO_DAT_OUT2 0x18      /* GPIO DATA OUT */
+#define GPIO_DAT_OUT3 0x19      /* GPIO DATA OUT */
+#define GPIO_INT_EN1 0x1A       /* GPIO Interrupt Enable */
+#define GPIO_INT_EN2 0x1B       /* GPIO Interrupt Enable */
+#define GPIO_INT_EN3 0x1C       /* GPIO Interrupt Enable */
+#define KP_GPIO1 0x1D           /* Keypad or GPIO Selection */
+#define KP_GPIO2 0x1E           /* Keypad or GPIO Selection */
+#define KP_GPIO3 0x1F           /* Keypad or GPIO Selection */
+#define GPI_EM1 0x20            /* GPI Event Mode 1 */
+#define GPI_EM2 0x21            /* GPI Event Mode 2 */
+#define GPI_EM3 0x22            /* GPI Event Mode 3 */
+#define GPIO_DIR1 0x23          /* GPIO Data Direction */
+#define GPIO_DIR2 0x24          /* GPIO Data Direction */
+#define GPIO_DIR3 0x25          /* GPIO Data Direction */
+#define GPIO_INT_LVL1 0x26      /* GPIO Edge/Level Detect */
+#define GPIO_INT_LVL2 0x27      /* GPIO Edge/Level Detect */
+#define GPIO_INT_LVL3 0x28      /* GPIO Edge/Level Detect */
+#define Debounce_DIS1 0x29      /* Debounce Disable */
+#define Debounce_DIS2 0x2A      /* Debounce Disable */
+#define Debounce_DIS3 0x2B      /* Debounce Disable */
+#define GPIO_PULL1 0x2C         /* GPIO Pull Disable */
+#define GPIO_PULL2 0x2D         /* GPIO Pull Disable */
+#define GPIO_PULL3 0x2E         /* GPIO Pull Disable */
+#define CMP_CFG_STAT 0x30       /* Comparator Configuration and Status Register */
+#define CMP_CONFG_SENS1 0x31    /* Sensor1 Comparator Configuration Register */
+#define CMP_CONFG_SENS2 0x32    /* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */
+#define CMP1_LVL2_TRIP 0x33     /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */
+#define CMP1_LVL2_HYS 0x34      /* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */
+#define CMP1_LVL3_TRIP 0x35     /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */
+#define CMP1_LVL3_HYS 0x36      /* Sensor 2 Comparator Configuration Register */
+#define CMP2_LVL2_TRIP 0x37     /* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */
+#define CMP2_LVL2_HYS 0x38      /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */
+#define CMP2_LVL3_TRIP 0x39     /* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */
+#define CMP2_LVL3_HYS 0x3A      /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */
+#define CMP1_ADC_DAT_R1 0x3B    /* Comparator 1 ADC data Register1 */
+#define CMP1_ADC_DAT_R2 0x3C    /* Comparator 1 ADC data Register2 */
+#define CMP2_ADC_DAT_R1 0x3D    /* Comparator 2 ADC data Register1 */
+#define CMP2_ADC_DAT_R2 0x3E    /* Comparator 2 ADC data Register2 */
+
+#define ADP5588_DEVICE_ID_MASK  0xF
+
+/* Put one of these structures in i2c_board_info platform_data */
+
+#define ADP5588_KEYMAPSIZE      80
+
+struct adp5588_kpad_platform_data {
+        int rows;                       /* Number of rows */
+        int cols;                       /* Number of columns */
+        const unsigned short *keymap;   /* Pointer to keymap */
+        unsigned short keymapsize;      /* Keymap size */
+        unsigned repeat:1;              /* Enable key repeat */
+        unsigned en_keylock:1;          /* Enable Key Lock feature */
+        unsigned short unlock_key1;     /* Unlock Key 1 */
+        unsigned short unlock_key2;     /* Unlock Key 2 */
+};
+
+#endif