obj-$(CONFIG_OMAP_GPIO) += omap_gpio.o
obj-$(CONFIG_DB8500_GPIO) += db8500_gpio.o
obj-$(CONFIG_BCM2835_GPIO) += bcm2835_gpio.o
-obj-$(CONFIG_S3C2440_GPIO) += s3c2440_gpio.o
obj-$(CONFIG_XILINX_GPIO) += xilinx_gpio.o
obj-$(CONFIG_ADI_GPIO2) += adi_gpio2.o
obj-$(CONFIG_TCA642X) += tca642x.o
+++ /dev/null
-/*
- * Copyright (C) 2012
- * Gabriel Huau <contact@huau-gabriel.fr>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <common.h>
-#include <asm/arch/s3c2440.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
-#include <errno.h>
-
-#define GPIO_INPUT 0x0
-#define GPIO_OUTPUT 0x1
-
-#define S3C_GPIO_CON 0x0
-#define S3C_GPIO_DAT 0x4
-
-static uint32_t s3c_gpio_get_bank_addr(unsigned gpio)
-{
- /* There is up to 16 pins per bank, one bank is 0x10 big. */
- uint32_t addr = gpio & ~0xf;
-
- if (addr >= 0x80 && addr != 0xd0) { /* Wrong GPIO bank. */
- printf("Invalid GPIO bank (bank %02x)\n", addr);
- return 0xffffffff;
- }
-
- return addr | S3C24X0_GPIO_BASE;
-}
-
-int gpio_set_value(unsigned gpio, int value)
-{
- uint32_t addr = s3c_gpio_get_bank_addr(gpio);
-
- if (addr == 0xffffffff)
- return -EINVAL;
-
- if (value)
- setbits_le32(addr | S3C_GPIO_DAT, 1 << (gpio & 0xf));
- else
- clrbits_le32(addr | S3C_GPIO_DAT, 1 << (gpio & 0xf));
-
- return 0;
-}
-
-int gpio_get_value(unsigned gpio)
-{
- uint32_t addr = s3c_gpio_get_bank_addr(gpio);
-
- if (addr == 0xffffffff)
- return -EINVAL;
-
- return !!(readl(addr | S3C_GPIO_DAT) & (1 << (gpio & 0xf)));
-}
-
-int gpio_request(unsigned gpio, const char *label)
-{
- return 0;
-}
-
-int gpio_free(unsigned gpio)
-{
- return 0;
-}
-
-static int s3c_gpio_direction(unsigned gpio, uint8_t dir)
-{
- uint32_t addr = s3c_gpio_get_bank_addr(gpio);
- const uint32_t mask = 0x3 << ((gpio & 0xf) << 1);
- const uint32_t dirm = dir << ((gpio & 0xf) << 1);
-
- if (addr == 0xffffffff)
- return -EINVAL;
-
- clrsetbits_le32(addr | S3C_GPIO_CON, mask, dirm);
- return 0;
-}
-
-int gpio_direction_input(unsigned gpio)
-{
- return s3c_gpio_direction(gpio, GPIO_INPUT);
-}
-
-int gpio_direction_output(unsigned gpio, int value)
-{
- return s3c_gpio_direction(gpio, GPIO_OUTPUT);
-}