[U-Boot] [PATCH 08/38] gpio: samsung: Drop s3c2440_gpio driver
Simon Glass
sjg at chromium.org
Wed May 17 14:22:41 UTC 2017
This is no longer used in U-Boot. Drop it.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
drivers/gpio/Makefile | 1 -
drivers/gpio/s3c2440_gpio.c | 88 ---------------------------------------------
2 files changed, 89 deletions(-)
delete mode 100644 drivers/gpio/s3c2440_gpio.c
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 03df558879..8937e99b47 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -42,7 +42,6 @@ obj-$(CONFIG_SH_GPIO_PFC) += sh_pfc.o
obj-$(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
diff --git a/drivers/gpio/s3c2440_gpio.c b/drivers/gpio/s3c2440_gpio.c
deleted file mode 100644
index d6c7eeb693..0000000000
--- a/drivers/gpio/s3c2440_gpio.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (C) 2012
- * Gabriel Huau <contact at 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);
-}
--
2.13.0.303.g4ebf302169-goog
More information about the U-Boot
mailing list