summaryrefslogtreecommitdiff
path: root/arch/openrisc/include/asm/gpio.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/openrisc/include/asm/gpio.h')
-rw-r--r--arch/openrisc/include/asm/gpio.h71
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/openrisc/include/asm/gpio.h b/arch/openrisc/include/asm/gpio.h
deleted file mode 100644
index c57a430275..0000000000
--- a/arch/openrisc/include/asm/gpio.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * OpenRISC gpio driver
- *
- * Copyright (C) 2011 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
- *
- * based on nios2 gpio driver
- * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
- *
- * when CONFIG_SYS_GPIO_BASE is not defined, board may provide
- * its own driver.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifdef CONFIG_SYS_GPIO_BASE
-#include <asm/io.h>
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return 0;
-}
-
-static inline int gpio_free(unsigned gpio)
-{
- return 0;
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
- return (readb(CONFIG_SYS_GPIO_BASE + gpio/8) >> gpio%8) & 0x1;
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- u8 tmp = readb(CONFIG_SYS_GPIO_BASE + gpio/8);
-
- if (value)
- tmp |= (1 << gpio%8);
- else
- tmp &= ~(1 << gpio%8);
- writeb(tmp, CONFIG_SYS_GPIO_BASE + gpio/8);
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- gpio_set_value(gpio + CONFIG_SYS_GPIO_WIDTH, 0);
-
- return 0;
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- gpio_set_value(gpio + CONFIG_SYS_GPIO_WIDTH, 1);
- gpio_set_value(gpio, value);
-
- return 0;
-}
-
-static inline int gpio_is_valid(int number)
-{
- return ((unsigned)number) < CONFIG_SYS_GPIO_WIDTH;
-}
-#else
-extern int gpio_request(unsigned gpio, const char *label);
-extern int gpio_free(unsigned gpio);
-extern int gpio_direction_input(unsigned gpio);
-extern int gpio_direction_output(unsigned gpio, int value);
-extern int gpio_get_value(unsigned gpio);
-extern void gpio_set_value(unsigned gpio, int value);
-extern int gpio_is_valid(int number);
-#endif /* CONFIG_SYS_GPIO_BASE */