input/tc3589x: add tc3589x keypad support
Add support for the keypad controller module found on the TC3589X devices. This driver default adds the support for TC35893 device. Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> [Some minor fixups for compilation] Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
This commit is contained in:
Sundar Iyer
Linus Walleij
parent
11c8ea81cc
commit
09c730a488
@ -443,6 +443,16 @@ config KEYBOARD_OMAP4
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To compile this driver as a module, choose M here: the
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module will be called omap4-keypad.
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config KEYBOARD_TC3589X
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tristate "TC3589X Keypad support"
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depends on MFD_TC3589X
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help
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Say Y here if you want to use the keypad controller on
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TC35892/3 I/O expander.
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To compile this driver as a module, choose M here: the
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module will be called tc3589x-keypad.
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config KEYBOARD_TNETV107X
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tristate "TI TNETV107X keypad support"
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depends on ARCH_DAVINCI_TNETV107X
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@ -40,6 +40,7 @@ obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o
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obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o
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obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
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obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
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obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o
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obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
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obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
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obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
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472
drivers/input/keyboard/tc3589x-keypad.c
Normal file
472
drivers/input/keyboard/tc3589x-keypad.c
Normal file
@ -0,0 +1,472 @@
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/*
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* Copyright (C) ST-Ericsson SA 2010
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*
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* Author: Jayeeta Banerjee <jayeeta.banerjee@stericsson.com>
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* Author: Sundar Iyer <sundar.iyer@stericsson.com>
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*
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* License Terms: GNU General Public License, version 2
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*
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* TC35893 MFD Keypad Controller driver
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/input.h>
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#include <linux/platform_device.h>
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#include <linux/input/matrix_keypad.h>
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#include <linux/i2c.h>
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#include <linux/slab.h>
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#include <linux/mfd/tc3589x.h>
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/* Maximum supported keypad matrix row/columns size */
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#define TC3589x_MAX_KPROW 8
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#define TC3589x_MAX_KPCOL 12
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/* keypad related Constants */
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#define TC3589x_MAX_DEBOUNCE_SETTLE 0xFF
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#define DEDICATED_KEY_VAL 0xFF
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/* Pull up/down masks */
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#define TC3589x_NO_PULL_MASK 0x0
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#define TC3589x_PULL_DOWN_MASK 0x1
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#define TC3589x_PULL_UP_MASK 0x2
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#define TC3589x_PULLUP_ALL_MASK 0xAA
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#define TC3589x_IO_PULL_VAL(index, mask) ((mask)<<((index)%4)*2))
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/* Bit masks for IOCFG register */
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#define IOCFG_BALLCFG 0x01
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#define IOCFG_IG 0x08
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#define KP_EVCODE_COL_MASK 0x0F
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#define KP_EVCODE_ROW_MASK 0x70
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#define KP_RELEASE_EVT_MASK 0x80
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#define KP_ROW_SHIFT 4
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#define KP_NO_VALID_KEY_MASK 0x7F
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/* bit masks for RESTCTRL register */
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#define TC3589x_KBDRST 0x2
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#define TC3589x_IRQRST 0x10
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#define TC3589x_RESET_ALL 0x1B
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/* KBDMFS register bit mask */
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#define TC3589x_KBDMFS_EN 0x1
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/* CLKEN register bitmask */
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#define KPD_CLK_EN 0x1
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/* RSTINTCLR register bit mask */
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#define IRQ_CLEAR 0x1
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/* bit masks for keyboard interrupts*/
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#define TC3589x_EVT_LOSS_INT 0x8
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#define TC3589x_EVT_INT 0x4
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#define TC3589x_KBD_LOSS_INT 0x2
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#define TC3589x_KBD_INT 0x1
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/* bit masks for keyboard interrupt clear*/
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#define TC3589x_EVT_INT_CLR 0x2
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#define TC3589x_KBD_INT_CLR 0x1
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#define TC3589x_KBD_KEYMAP_SIZE 64
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/**
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* struct tc_keypad - data structure used by keypad driver
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* @input: pointer to input device object
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* @board: keypad platform device
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* @krow: number of rows
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* @kcol: number of coloumns
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* @keymap: matrix scan code table for keycodes
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*/
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struct tc_keypad {
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struct tc3589x *tc3589x;
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struct input_dev *input;
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const struct tc3589x_keypad_platform_data *board;
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unsigned int krow;
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unsigned int kcol;
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unsigned short keymap[TC3589x_KBD_KEYMAP_SIZE];
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bool keypad_stopped;
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};
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static int __devinit tc3589x_keypad_init_key_hardware(struct tc_keypad *keypad)
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{
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int ret;
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struct tc3589x *tc3589x = keypad->tc3589x;
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u8 settle_time = keypad->board->settle_time;
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u8 dbounce_period = keypad->board->debounce_period;
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u8 rows = keypad->board->krow & 0xf; /* mask out the nibble */
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u8 column = keypad->board->kcol & 0xf; /* mask out the nibble */
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/* validate platform configurations */
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if (keypad->board->kcol > TC3589x_MAX_KPCOL ||
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keypad->board->krow > TC3589x_MAX_KPROW ||
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keypad->board->debounce_period > TC3589x_MAX_DEBOUNCE_SETTLE ||
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keypad->board->settle_time > TC3589x_MAX_DEBOUNCE_SETTLE)
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return -EINVAL;
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/* configure KBDSIZE 4 LSbits for cols and 4 MSbits for rows */
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ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSIZE,
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(rows << KP_ROW_SHIFT) | column);
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if (ret < 0)
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return ret;
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/* configure dedicated key config, no dedicated key selected */
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ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_LSB, DEDICATED_KEY_VAL);
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if (ret < 0)
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return ret;
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ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_MSB, DEDICATED_KEY_VAL);
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if (ret < 0)
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return ret;
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/* Configure settle time */
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ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSETTLE_REG, settle_time);
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if (ret < 0)
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return ret;
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/* Configure debounce time */
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ret = tc3589x_reg_write(tc3589x, TC3589x_KBDBOUNCE, dbounce_period);
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if (ret < 0)
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return ret;
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/* Start of initialise keypad GPIOs */
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ret = tc3589x_set_bits(tc3589x, TC3589x_IOCFG, 0x0, IOCFG_IG);
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if (ret < 0)
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return ret;
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/* Configure pull-up resistors for all row GPIOs */
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ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_LSB,
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TC3589x_PULLUP_ALL_MASK);
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if (ret < 0)
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return ret;
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ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_MSB,
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TC3589x_PULLUP_ALL_MASK);
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if (ret < 0)
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return ret;
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/* Configure pull-up resistors for all column GPIOs */
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ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_LSB,
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TC3589x_PULLUP_ALL_MASK);
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if (ret < 0)
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return ret;
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ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_MSB,
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TC3589x_PULLUP_ALL_MASK);
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if (ret < 0)
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return ret;
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ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG2_LSB,
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TC3589x_PULLUP_ALL_MASK);
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return ret;
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}
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#define TC35893_DATA_REGS 4
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#define TC35893_KEYCODE_FIFO_EMPTY 0x7f
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#define TC35893_KEYCODE_FIFO_CLEAR 0xff
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#define TC35893_KEYPAD_ROW_SHIFT 0x3
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static irqreturn_t tc3589x_keypad_irq(int irq, void *dev)
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{
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struct tc_keypad *keypad = dev;
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struct tc3589x *tc3589x = keypad->tc3589x;
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u8 i, row_index, col_index, kbd_code, up;
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u8 code;
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for (i = 0; i < TC35893_DATA_REGS * 2; i++) {
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kbd_code = tc3589x_reg_read(tc3589x, TC3589x_EVTCODE_FIFO);
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/* loop till fifo is empty and no more keys are pressed */
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if (kbd_code == TC35893_KEYCODE_FIFO_EMPTY ||
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kbd_code == TC35893_KEYCODE_FIFO_CLEAR)
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continue;
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/* valid key is found */
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col_index = kbd_code & KP_EVCODE_COL_MASK;
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row_index = (kbd_code & KP_EVCODE_ROW_MASK) >> KP_ROW_SHIFT;
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code = MATRIX_SCAN_CODE(row_index, col_index,
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TC35893_KEYPAD_ROW_SHIFT);
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up = kbd_code & KP_RELEASE_EVT_MASK;
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input_event(keypad->input, EV_MSC, MSC_SCAN, code);
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input_report_key(keypad->input, keypad->keymap[code], !up);
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input_sync(keypad->input);
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}
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/* clear IRQ */
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tc3589x_set_bits(tc3589x, TC3589x_KBDIC,
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0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR);
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/* enable IRQ */
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tc3589x_set_bits(tc3589x, TC3589x_KBDMSK,
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0x0, TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT);
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return IRQ_HANDLED;
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}
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static int tc3589x_keypad_enable(struct tc_keypad *keypad)
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{
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struct tc3589x *tc3589x = keypad->tc3589x;
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int ret;
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/* pull the keypad module out of reset */
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ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x0);
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if (ret < 0)
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return ret;
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/* configure KBDMFS */
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ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMFS, 0x0, TC3589x_KBDMFS_EN);
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if (ret < 0)
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return ret;
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/* enable the keypad clock */
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ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x0, KPD_CLK_EN);
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if (ret < 0)
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return ret;
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/* clear pending IRQs */
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ret = tc3589x_set_bits(tc3589x, TC3589x_RSTINTCLR, 0x0, 0x1);
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if (ret < 0)
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return ret;
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/* enable the IRQs */
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ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK, 0x0,
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TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT);
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if (ret < 0)
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return ret;
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keypad->keypad_stopped = false;
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return ret;
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}
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static int tc3589x_keypad_disable(struct tc_keypad *keypad)
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{
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struct tc3589x *tc3589x = keypad->tc3589x;
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int ret;
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/* clear IRQ */
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ret = tc3589x_set_bits(tc3589x, TC3589x_KBDIC,
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0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR);
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if (ret < 0)
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return ret;
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/* disable all interrupts */
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ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK,
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~(TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT), 0x0);
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if (ret < 0)
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return ret;
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/* disable the keypad module */
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ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x1, 0x0);
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if (ret < 0)
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return ret;
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/* put the keypad module into reset */
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ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x1);
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keypad->keypad_stopped = true;
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return ret;
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}
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static int tc3589x_keypad_open(struct input_dev *input)
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{
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int error;
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struct tc_keypad *keypad = input_get_drvdata(input);
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/* enable the keypad module */
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error = tc3589x_keypad_enable(keypad);
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if (error < 0) {
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dev_err(&input->dev, "failed to enable keypad module\n");
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return error;
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}
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error = tc3589x_keypad_init_key_hardware(keypad);
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if (error < 0) {
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dev_err(&input->dev, "failed to configure keypad module\n");
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return error;
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}
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return 0;
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}
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static void tc3589x_keypad_close(struct input_dev *input)
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{
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struct tc_keypad *keypad = input_get_drvdata(input);
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/* disable the keypad module */
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tc3589x_keypad_disable(keypad);
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}
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static int __devinit tc3589x_keypad_probe(struct platform_device *pdev)
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{
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struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
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struct tc_keypad *keypad;
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struct input_dev *input;
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const struct tc3589x_keypad_platform_data *plat;
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int error, irq;
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plat = tc3589x->pdata->keypad;
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if (!plat) {
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dev_err(&pdev->dev, "invalid keypad platform data\n");
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return -EINVAL;
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}
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irq = platform_get_irq(pdev, 0);
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if (irq < 0)
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return irq;
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keypad = kzalloc(sizeof(struct tc_keypad), GFP_KERNEL);
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input = input_allocate_device();
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if (!keypad || !input) {
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dev_err(&pdev->dev, "failed to allocate keypad memory\n");
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error = -ENOMEM;
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goto err_free_mem;
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}
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keypad->board = plat;
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keypad->input = input;
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keypad->tc3589x = tc3589x;
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input->id.bustype = BUS_I2C;
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input->name = pdev->name;
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input->dev.parent = &pdev->dev;
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input->keycode = keypad->keymap;
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input->keycodesize = sizeof(keypad->keymap[0]);
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input->keycodemax = ARRAY_SIZE(keypad->keymap);
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input->open = tc3589x_keypad_open;
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input->close = tc3589x_keypad_close;
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input_set_drvdata(input, keypad);
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input_set_capability(input, EV_MSC, MSC_SCAN);
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__set_bit(EV_KEY, input->evbit);
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if (!plat->no_autorepeat)
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__set_bit(EV_REP, input->evbit);
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matrix_keypad_build_keymap(plat->keymap_data, 0x3,
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input->keycode, input->keybit);
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error = request_threaded_irq(irq, NULL,
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tc3589x_keypad_irq, plat->irqtype,
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"tc3589x-keypad", keypad);
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if (error < 0) {
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dev_err(&pdev->dev,
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"Could not allocate irq %d,error %d\n",
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irq, error);
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goto err_free_mem;
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}
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error = input_register_device(input);
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if (error) {
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dev_err(&pdev->dev, "Could not register input device\n");
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goto err_free_irq;
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}
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/* let platform decide if keypad is a wakeup source or not */
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device_init_wakeup(&pdev->dev, plat->enable_wakeup);
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device_set_wakeup_capable(&pdev->dev, plat->enable_wakeup);
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platform_set_drvdata(pdev, keypad);
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return 0;
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err_free_irq:
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free_irq(irq, keypad);
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err_free_mem:
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input_free_device(input);
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kfree(keypad);
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return error;
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}
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static int __devexit tc3589x_keypad_remove(struct platform_device *pdev)
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{
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struct tc_keypad *keypad = platform_get_drvdata(pdev);
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int irq = platform_get_irq(pdev, 0);
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if (!keypad->keypad_stopped)
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tc3589x_keypad_disable(keypad);
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free_irq(irq, keypad);
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input_unregister_device(keypad->input);
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kfree(keypad);
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return 0;
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}
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#ifdef CONFIG_PM
|
||||
static int tc3589x_keypad_suspend(struct device *dev)
|
||||
{
|
||||
struct platform_device *pdev = to_platform_device(dev);
|
||||
struct tc_keypad *keypad = platform_get_drvdata(pdev);
|
||||
int irq = platform_get_irq(pdev, 0);
|
||||
|
||||
/* keypad is already off; we do nothing */
|
||||
if (keypad->keypad_stopped)
|
||||
return 0;
|
||||
|
||||
/* if device is not a wakeup source, disable it for powersave */
|
||||
if (!device_may_wakeup(&pdev->dev))
|
||||
tc3589x_keypad_disable(keypad);
|
||||
else
|
||||
enable_irq_wake(irq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tc3589x_keypad_resume(struct device *dev)
|
||||
{
|
||||
struct platform_device *pdev = to_platform_device(dev);
|
||||
struct tc_keypad *keypad = platform_get_drvdata(pdev);
|
||||
int irq = platform_get_irq(pdev, 0);
|
||||
|
||||
if (!keypad->keypad_stopped)
|
||||
return 0;
|
||||
|
||||
/* enable the device to resume normal operations */
|
||||
if (!device_may_wakeup(&pdev->dev))
|
||||
tc3589x_keypad_enable(keypad);
|
||||
else
|
||||
disable_irq_wake(irq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const SIMPLE_DEV_PM_OPS(tc3589x_keypad_dev_pm_ops,
|
||||
tc3589x_keypad_suspend, tc3589x_keypad_resume);
|
||||
#endif
|
||||
|
||||
static struct platform_driver tc3589x_keypad_driver = {
|
||||
.driver.name = "tc3589x-keypad",
|
||||
.driver.owner = THIS_MODULE,
|
||||
#ifdef CONFIG_PM
|
||||
.driver.pm = &tc3589x_keypad_dev_pm_ops,
|
||||
#endif
|
||||
.probe = tc3589x_keypad_probe,
|
||||
.remove = __devexit_p(tc3589x_keypad_remove),
|
||||
};
|
||||
|
||||
static int __init tc3589x_keypad_init(void)
|
||||
{
|
||||
return platform_driver_register(&tc3589x_keypad_driver);
|
||||
}
|
||||
module_init(tc3589x_keypad_init);
|
||||
|
||||
static void __exit tc3589x_keypad_exit(void)
|
||||
{
|
||||
return platform_driver_unregister(&tc3589x_keypad_driver);
|
||||
}
|
||||
module_exit(tc3589x_keypad_exit);
|
||||
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_AUTHOR("Jayeeta Banerjee/Sundar Iyer");
|
||||
MODULE_DESCRIPTION("TC35893 Keypad Driver");
|
||||
MODULE_ALIAS("platform:tc3589x-keypad")
|
||||
@ -132,6 +132,14 @@ static struct resource gpio_resources[] = {
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource keypad_resources[] = {
|
||||
{
|
||||
.start = TC3589x_INT_KBDIRQ,
|
||||
.end = TC3589x_INT_KBDIRQ,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static struct mfd_cell tc3589x_dev_gpio[] = {
|
||||
{
|
||||
.name = "tc3589x-gpio",
|
||||
@ -140,6 +148,14 @@ static struct mfd_cell tc3589x_dev_gpio[] = {
|
||||
},
|
||||
};
|
||||
|
||||
static struct mfd_cell tc3589x_dev_keypad[] = {
|
||||
{
|
||||
.name = "tc3589x-keypad",
|
||||
.num_resources = ARRAY_SIZE(keypad_resources),
|
||||
.resources = &keypad_resources[0],
|
||||
},
|
||||
};
|
||||
|
||||
static irqreturn_t tc3589x_irq(int irq, void *data)
|
||||
{
|
||||
struct tc3589x *tc3589x = data;
|
||||
@ -255,8 +271,18 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
|
||||
dev_info(tc3589x->dev, "added gpio block\n");
|
||||
}
|
||||
|
||||
return ret;
|
||||
if (blocks & TC3589x_BLOCK_KEYPAD) {
|
||||
ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_keypad,
|
||||
ARRAY_SIZE(tc3589x_dev_keypad), NULL,
|
||||
tc3589x->irq_base);
|
||||
if (ret) {
|
||||
dev_err(tc3589x->dev, "failed to keypad child\n");
|
||||
return ret;
|
||||
}
|
||||
dev_info(tc3589x->dev, "added keypad block\n");
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __devinit tc3589x_probe(struct i2c_client *i2c,
|
||||
|
||||
@ -20,6 +20,17 @@ enum tx3589x_block {
|
||||
#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
|
||||
@ -35,6 +46,14 @@ enum tx3589x_block {
|
||||
#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
|
||||
@ -112,6 +131,37 @@ 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
|
||||
@ -130,11 +180,13 @@ struct tc3589x_gpio_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
|
||||
|
||||
Loading…
Reference in New Issue
Block a user