diff options
Diffstat (limited to 'drivers/gpio/gpio-wcove.c')
| -rw-r--r-- | drivers/gpio/gpio-wcove.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c index dde7c6aecbb5..444fe9e7f04a 100644 --- a/drivers/gpio/gpio-wcove.c +++ b/drivers/gpio/gpio-wcove.c @@ -1,34 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel Whiskey Cove PMIC GPIO Driver * * This driver is written based on gpio-crystalcove.c * * Copyright (C) 2016 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/bitops.h> -#include <linux/module.h> -#include <linux/interrupt.h> #include <linux/gpio/driver.h> +#include <linux/interrupt.h> #include <linux/mfd/intel_soc_pmic.h> +#include <linux/module.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/seq_file.h> /* * Whiskey Cove PMIC has 13 physical GPIO pins divided into 3 banks: - * Bank 0: Pin 0 - 6 - * Bank 1: Pin 7 - 10 - * Bank 2: Pin 11 -12 + * Bank 0: Pin 0 - 6 + * Bank 1: Pin 7 - 10 + * Bank 2: Pin 11 - 12 * Each pin has one output control register and one input control register. */ #define BANK0_NR_PINS 7 @@ -75,8 +67,8 @@ #define CTLO_RVAL_50KDOWN (2 << 1) #define CTLO_RVAL_50KUP (3 << 1) -#define CTLO_INPUT_SET (CTLO_DRV_CMOS | CTLO_DRV_REN | CTLO_RVAL_2KUP) -#define CTLO_OUTPUT_SET (CTLO_DIR_OUT | CTLO_INPUT_SET) +#define CTLO_INPUT_SET (CTLO_DRV_CMOS | CTLO_DRV_REN | CTLO_RVAL_2KUP) +#define CTLO_OUTPUT_SET (CTLO_DIR_OUT | CTLO_INPUT_SET) enum ctrl_register { CTRL_IN, @@ -105,7 +97,7 @@ struct wcove_gpio { bool set_irq_mask; }; -static inline unsigned int to_reg(int gpio, enum ctrl_register reg_type) +static inline int to_reg(int gpio, enum ctrl_register reg_type) { unsigned int reg; @@ -203,8 +195,7 @@ static int wcove_gpio_get(struct gpio_chip *chip, unsigned int gpio) return val & 0x1; } -static void wcove_gpio_set(struct gpio_chip *chip, - unsigned int gpio, int value) +static void wcove_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value) { struct wcove_gpio *wg = gpiochip_get_data(chip); int reg = to_reg(gpio, CTRL_OUT); |