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c36219d9d8
This macro does nothing and has only one user, remove it. Signed-off-by: Andrew F. Davis <afd@ti.com> Tested-by: Keerthy <j-keerthy@ti.com> Acked-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
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* DaVinci GPIO Platform Related Defines
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*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __DAVINCI_GPIO_PLATFORM_H
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#define __DAVINCI_GPIO_PLATFORM_H
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#include <linux/io.h>
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#include <linux/spinlock.h>
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#include <asm-generic/gpio.h>
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#define MAX_REGS_BANKS 5
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#define MAX_INT_PER_BANK 32
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struct davinci_gpio_platform_data {
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u32 ngpio;
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u32 gpio_unbanked;
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};
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struct davinci_gpio_irq_data {
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void __iomem *regs;
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struct davinci_gpio_controller *chip;
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int bank_num;
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};
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struct davinci_gpio_controller {
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struct gpio_chip chip;
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struct irq_domain *irq_domain;
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/* Serialize access to GPIO registers */
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spinlock_t lock;
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void __iomem *regs[MAX_REGS_BANKS];
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int gpio_unbanked;
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int irqs[MAX_INT_PER_BANK];
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};
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/* Convert GPIO signal to GPIO pin number */
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#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio))
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static inline u32 __gpio_mask(unsigned gpio)
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{
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return 1 << (gpio % 32);
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}
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#endif
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