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Diffstat (limited to 'target/linux/ramips/files-3.7/arch/mips/ralink/common/gpio.c')
-rw-r--r--target/linux/ramips/files-3.7/arch/mips/ralink/common/gpio.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/target/linux/ramips/files-3.7/arch/mips/ralink/common/gpio.c b/target/linux/ramips/files-3.7/arch/mips/ralink/common/gpio.c
deleted file mode 100644
index f03d145b6d..0000000000
--- a/target/linux/ramips/files-3.7/arch/mips/ralink/common/gpio.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Ralink SoC specific GPIO support
- *
- * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <asm/mach-ralink/ramips_gpio.h>
-
-static inline struct ramips_gpio_chip *to_ramips_gpio(struct gpio_chip *chip)
-{
- struct ramips_gpio_chip *rg;
-
- rg = container_of(chip, struct ramips_gpio_chip, chip);
- return rg;
-}
-
-static inline void ramips_gpio_wr(struct ramips_gpio_chip *rg, u8 reg, u32 val)
-{
- __raw_writel(val, rg->regs_base + rg->regs[reg]);
-}
-
-static inline u32 ramips_gpio_rr(struct ramips_gpio_chip *rg, u8 reg)
-{
- return __raw_readl(rg->regs_base + rg->regs[reg]);
-}
-
-static int ramips_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
-{
- struct ramips_gpio_chip *rg = to_ramips_gpio(chip);
- unsigned long flags;
- u32 t;
-
- spin_lock_irqsave(&rg->lock, flags);
- t = ramips_gpio_rr(rg, RAMIPS_GPIO_REG_DIR);
- t &= ~(1 << offset);
- ramips_gpio_wr(rg, RAMIPS_GPIO_REG_DIR, t);
- spin_unlock_irqrestore(&rg->lock, flags);
-
- return 0;
-}
-
-static int ramips_gpio_direction_output(struct gpio_chip *chip,
- unsigned offset, int value)
-{
- struct ramips_gpio_chip *rg = to_ramips_gpio(chip);
- unsigned long flags;
- u32 reg;
- u32 t;
-
- reg = (value) ? RAMIPS_GPIO_REG_SET : RAMIPS_GPIO_REG_RESET;
-
- spin_lock_irqsave(&rg->lock, flags);
- ramips_gpio_wr(rg, reg, 1 << offset);
-
- t = ramips_gpio_rr(rg, RAMIPS_GPIO_REG_DIR);
- t |= 1 << offset;
- ramips_gpio_wr(rg, RAMIPS_GPIO_REG_DIR, t);
- spin_unlock_irqrestore(&rg->lock, flags);
-
- return 0;
-}
-
-static void ramips_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-{
- struct ramips_gpio_chip *rg = to_ramips_gpio(chip);
- u32 reg;
-
- reg = (value) ? RAMIPS_GPIO_REG_SET : RAMIPS_GPIO_REG_RESET;
- ramips_gpio_wr(rg, reg, 1 << offset);
-}
-
-static int ramips_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
- struct ramips_gpio_chip *rg = to_ramips_gpio(chip);
- u32 t;
-
- t = ramips_gpio_rr(rg, RAMIPS_GPIO_REG_DATA);
- return !!(t & (1 << offset));
-}
-
-static __init void ramips_gpio_chip_add(struct ramips_gpio_chip *rg)
-{
- spin_lock_init(&rg->lock);
-
- rg->regs_base = ioremap(rg->map_base, rg->map_size);
-
- rg->chip.direction_input = ramips_gpio_direction_input;
- rg->chip.direction_output = ramips_gpio_direction_output;
- rg->chip.get = ramips_gpio_get;
- rg->chip.set = ramips_gpio_set;
-
- /* set polarity to low for all lines */
- ramips_gpio_wr(rg, RAMIPS_GPIO_REG_POL, 0);
-
- gpiochip_add(&rg->chip);
-}
-
-__init int ramips_gpio_init(struct ramips_gpio_data *data)
-{
- int i;
-
- for (i = 0; i < data->num_chips; i++)
- ramips_gpio_chip_add(&data->chips[i]);
-
- return 0;
-}