diff options
Diffstat (limited to 'target/linux/adm8668/files-3.14/arch/mips/adm8668/gpio.c')
-rw-r--r-- | target/linux/adm8668/files-3.14/arch/mips/adm8668/gpio.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/target/linux/adm8668/files-3.14/arch/mips/adm8668/gpio.c b/target/linux/adm8668/files-3.14/arch/mips/adm8668/gpio.c deleted file mode 100644 index fb39f7f588..0000000000 --- a/target/linux/adm8668/files-3.14/arch/mips/adm8668/gpio.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Infineon/ADMTek ADM8668 WildPass GPIO support - * - * Copyright (C) 2012 Florian Fainelli <florian@openwrt.org> - * - * Licensed under the terms of GPLv2. - * - */ -#include <linux/kernel.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <adm8668.h> - -#define GPIO_MASK 0x3f - -#define GPIO_IN_OFS 0 -#define GPIO_OUT_OFS 6 -#define GPIO_OE_OFS 12 - -struct adm8668_gpio_chip { - void __iomem *base; - struct gpio_chip chip; -}; - -static int adm8668_gpio_dir_out(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct adm8668_gpio_chip *c = - container_of(chip, struct adm8668_gpio_chip, chip); - u32 mask; - - /* clear input, set output enable and output value */ - mask = __raw_readl(c->base); - mask &= ~(1 << offset); - mask |= (1 << (offset + GPIO_OE_OFS)); - if (value) - mask |= (1 << (offset + GPIO_OUT_OFS)); - else - mask &= ~(1 << (offset + GPIO_OUT_OFS)); - __raw_writel(mask, c->base); - - return 0; -} - -static int adm8668_gpio_dir_in(struct gpio_chip *chip, - unsigned offset) -{ - struct adm8668_gpio_chip *c = - container_of(chip, struct adm8668_gpio_chip, chip); - u32 mask; - - mask = __raw_readl(c->base); - mask &= ~(((1 << (offset + GPIO_OE_OFS)) | (1 << (offset + GPIO_OUT_OFS)))); - mask |= (1 << offset); - __raw_writel(mask, c->base); - - return 0; -} - -static void adm8668_gpio_set(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct adm8668_gpio_chip *c = - container_of(chip, struct adm8668_gpio_chip, chip); - u32 mask; - - mask = __raw_readl(c->base); - if (value) - mask |= (1 << (offset + GPIO_OUT_OFS)); - else - mask &= ~(1 << (offset + GPIO_OUT_OFS)); - __raw_writel(mask, c->base); -} - -static int adm8668_gpio_get(struct gpio_chip *chip, - unsigned offset) -{ - struct adm8668_gpio_chip *c = - container_of(chip, struct adm8668_gpio_chip, chip); - u32 value; - - value = __raw_readl(c->base) & GPIO_MASK; - - return value & (1 << offset); -} - -static struct adm8668_gpio_chip adm8668_gpio_cpu = { - .base = (void __iomem *)KSEG1ADDR(ADM8668_CONFIG_BASE + CRGPIO_REG), - .chip = { - .label = "adm8668-cpu-gpio", - .direction_output = adm8668_gpio_dir_out, - .direction_input = adm8668_gpio_dir_in, - .set = adm8668_gpio_set, - .get = adm8668_gpio_get, - .ngpio = 6, - }, -}; - -static struct adm8668_gpio_chip adm8668_gpio_wlan = { - .base = (void __iomem *)KSEG1ADDR(ADM8668_WLAN_BASE + GPIO_REG), - .chip = { - .label = "adm8668-wlan-gpio", - .direction_output = adm8668_gpio_dir_out, - .direction_input = adm8668_gpio_dir_in, - .set = adm8668_gpio_set, - .get = adm8668_gpio_get, - .ngpio = 6, - .base = 6, - }, -}; - -static int __init adm8668_gpio_init(void) -{ - int ret; - - ret = gpiochip_add(&adm8668_gpio_cpu.chip); - if (ret) - return ret; - - return gpiochip_add(&adm8668_gpio_wlan.chip); -} -arch_initcall(adm8668_gpio_init); |