arch: remove blackfin port

[sfrench/cifs-2.6.git] / arch / blackfin / mach-bf538 / ext-gpio.c

diff --git a/arch/blackfin/mach-bf538/ext-gpio.c b/arch/blackfin/mach-bf538/ext-gpio.c
deleted file mode 100644 (file)
index 48c1002..0000000
--- a/arch/blackfin/mach-bf538/ext-gpio.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * GPIOLIB interface for BF538/9 PORT C, D, and E GPIOs
- *
- * Copyright 2009-2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/gpio.h>
-#include <asm/blackfin.h>
-#include <asm/portmux.h>
-
-#define DEFINE_REG(reg, off) \
-static inline u16 read_##reg(void __iomem *port) \
-       { return bfin_read16(port + off); } \
-static inline void write_##reg(void __iomem *port, u16 v) \
-       { bfin_write16(port + off, v); }
-
-DEFINE_REG(PORTIO, 0x00)
-DEFINE_REG(PORTIO_CLEAR, 0x10)
-DEFINE_REG(PORTIO_SET, 0x20)
-DEFINE_REG(PORTIO_DIR, 0x40)
-DEFINE_REG(PORTIO_INEN, 0x50)
-
-static void __iomem *gpio_chip_to_mmr(struct gpio_chip *chip)
-{
-       switch (chip->base) {
-       default: /* not really needed, but keeps gcc happy */
-       case GPIO_PC0: return (void __iomem *)PORTCIO;
-       case GPIO_PD0: return (void __iomem *)PORTDIO;
-       case GPIO_PE0: return (void __iomem *)PORTEIO;
-       }
-}
-
-static int bf538_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
-{
-       void __iomem *port = gpio_chip_to_mmr(chip);
-       return !!(read_PORTIO(port) & (1u << gpio));
-}
-
-static void bf538_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
-{
-       void __iomem *port = gpio_chip_to_mmr(chip);
-       if (value)
-               write_PORTIO_SET(port, (1u << gpio));
-       else
-               write_PORTIO_CLEAR(port, (1u << gpio));
-}
-
-static int bf538_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-{
-       void __iomem *port = gpio_chip_to_mmr(chip);
-       write_PORTIO_DIR(port, read_PORTIO_DIR(port) & ~(1u << gpio));
-       write_PORTIO_INEN(port, read_PORTIO_INEN(port) | (1u << gpio));
-       return 0;
-}
-
-static int bf538_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int value)
-{
-       void __iomem *port = gpio_chip_to_mmr(chip);
-       write_PORTIO_INEN(port, read_PORTIO_INEN(port) & ~(1u << gpio));
-       bf538_gpio_set_value(port, gpio, value);
-       write_PORTIO_DIR(port, read_PORTIO_DIR(port) | (1u << gpio));
-       return 0;
-}
-
-static int bf538_gpio_request(struct gpio_chip *chip, unsigned gpio)
-{
-       return bfin_special_gpio_request(chip->base + gpio, chip->label);
-}
-
-static void bf538_gpio_free(struct gpio_chip *chip, unsigned gpio)
-{
-       return bfin_special_gpio_free(chip->base + gpio);
-}
-
-/* We don't set the irq fields as these banks cannot generate interrupts */
-
-static struct gpio_chip bf538_portc_chip = {
-       .label = "GPIO-PC",
-       .direction_input = bf538_gpio_direction_input,
-       .get = bf538_gpio_get_value,
-       .direction_output = bf538_gpio_direction_output,
-       .set = bf538_gpio_set_value,
-       .request = bf538_gpio_request,
-       .free = bf538_gpio_free,
-       .base = GPIO_PC0,
-       .ngpio = GPIO_PC9 - GPIO_PC0 + 1,
-};
-
-static struct gpio_chip bf538_portd_chip = {
-       .label = "GPIO-PD",
-       .direction_input = bf538_gpio_direction_input,
-       .get = bf538_gpio_get_value,
-       .direction_output = bf538_gpio_direction_output,
-       .set = bf538_gpio_set_value,
-       .request = bf538_gpio_request,
-       .free = bf538_gpio_free,
-       .base = GPIO_PD0,
-       .ngpio = GPIO_PD13 - GPIO_PD0 + 1,
-};
-
-static struct gpio_chip bf538_porte_chip = {
-       .label = "GPIO-PE",
-       .direction_input = bf538_gpio_direction_input,
-       .get = bf538_gpio_get_value,
-       .direction_output = bf538_gpio_direction_output,
-       .set = bf538_gpio_set_value,
-       .request = bf538_gpio_request,
-       .free = bf538_gpio_free,
-       .base = GPIO_PE0,
-       .ngpio = GPIO_PE15 - GPIO_PE0 + 1,
-};
-
-static int __init bf538_extgpio_setup(void)
-{
-       return gpiochip_add_data(&bf538_portc_chip, NULL) |
-               gpiochip_add_data(&bf538_portd_chip, NULL) |
-               gpiochip_add_data(&bf538_porte_chip, NULL);
-}
-arch_initcall(bf538_extgpio_setup);
-
-#ifdef CONFIG_PM
-static struct {
-       u16 data, dir, inen;
-} gpio_bank_saved[3];
-
-static void __iomem * const port_bases[3] = {
-       (void *)PORTCIO,
-       (void *)PORTDIO,
-       (void *)PORTEIO,
-};
-
-void bfin_special_gpio_pm_hibernate_suspend(void)
-{
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(port_bases); ++i) {
-               gpio_bank_saved[i].data = read_PORTIO(port_bases[i]);
-               gpio_bank_saved[i].inen = read_PORTIO_INEN(port_bases[i]);
-               gpio_bank_saved[i].dir = read_PORTIO_DIR(port_bases[i]);
-       }
-}
-
-void bfin_special_gpio_pm_hibernate_restore(void)
-{
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(port_bases); ++i) {
-               write_PORTIO_INEN(port_bases[i], gpio_bank_saved[i].inen);
-               write_PORTIO_SET(port_bases[i],
-                       gpio_bank_saved[i].data & gpio_bank_saved[i].dir);
-               write_PORTIO_DIR(port_bases[i], gpio_bank_saved[i].dir);
-       }
-}
-#endif