gpio: Drop adi_gpio2

Drop this unused driver.

Signed-off-by: Simon Glass <sjg@chromium.org>

2 files changed, 0 insertions, 426 deletions

diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 7235714fcc..57603645c1 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -47,7 +47,6 @@ obj-$(CONFIG_SH_GPIO_PFC)	+= sh_pfc.o
 obj-$(CONFIG_OMAP_GPIO)	+= omap_gpio.o
 obj-$(CONFIG_BCM2835_GPIO)	+= bcm2835_gpio.o
 obj-$(CONFIG_XILINX_GPIO)	+= xilinx_gpio.o
-obj-$(CONFIG_ADI_GPIO2)	+= adi_gpio2.o
 obj-$(CONFIG_TCA642X)		+= tca642x.o
 obj-$(CONFIG_SUNXI_GPIO)	+= sunxi_gpio.o
 obj-$(CONFIG_LPC32XX_GPIO)	+= lpc32xx_gpio.o
diff --git a/drivers/gpio/adi_gpio2.c b/drivers/gpio/adi_gpio2.c
deleted file mode 100644
index d0849c85c3..0000000000
--- a/drivers/gpio/adi_gpio2.c
+++ /dev/null
@@ -1,425 +0,0 @@
-/*
- * ADI GPIO2 Abstraction Layer
- * Support BF54x, BF60x and future processors.
- *
- * Copyright 2008-2013 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <linux/bug.h>
-#include <linux/errno.h>
-#include <asm/gpio.h>
-
-#define RESOURCE_LABEL_SIZE	16
-
-static struct str_ident {
-	char name[RESOURCE_LABEL_SIZE];
-} str_ident[MAX_RESOURCES];
-
-static void gpio_error(unsigned gpio)
-{
-	printf("adi_gpio2: GPIO %d wasn't requested!\n", gpio);
-}
-
-static void set_label(unsigned short ident, const char *label)
-{
-	if (label) {
-		strncpy(str_ident[ident].name, label,
-			RESOURCE_LABEL_SIZE);
-		str_ident[ident].name[RESOURCE_LABEL_SIZE - 1] = 0;
-	}
-}
-
-static char *get_label(unsigned short ident)
-{
-	return *str_ident[ident].name ? str_ident[ident].name : "UNKNOWN";
-}
-
-static int cmp_label(unsigned short ident, const char *label)
-{
-	if (label == NULL)
-		printf("adi_gpio2: please provide none-null label\n");
-
-	if (label)
-		return strcmp(str_ident[ident].name, label);
-	else
-		return -EINVAL;
-}
-
-#define map_entry(m, i)      reserved_##m##_map[gpio_bank(i)]
-#define is_reserved(m, i, e) (map_entry(m, i) & gpio_bit(i))
-#define reserve(m, i)        (map_entry(m, i) |= gpio_bit(i))
-#define unreserve(m, i)      (map_entry(m, i) &= ~gpio_bit(i))
-#define DECLARE_RESERVED_MAP(m, c) unsigned short reserved_##m##_map[c]
-
-static DECLARE_RESERVED_MAP(gpio, GPIO_BANK_NUM);
-static DECLARE_RESERVED_MAP(peri, gpio_bank(MAX_RESOURCES));
-
-inline int check_gpio(unsigned gpio)
-{
-#if defined(CONFIG_BF54x)
-	if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15 ||
-		gpio == GPIO_PH14 || gpio == GPIO_PH15 ||
-		gpio == GPIO_PJ14 || gpio == GPIO_PJ15)
-		return -EINVAL;
-#endif
-	if (gpio >= MAX_GPIOS)
-		return -EINVAL;
-	return 0;
-}
-
-static void port_setup(unsigned gpio, unsigned short usage)
-{
-#if defined(CONFIG_BF54x)
-	if (usage == GPIO_USAGE)
-		gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio);
-	else
-		gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio);
-#else
-	if (usage == GPIO_USAGE)
-		gpio_array[gpio_bank(gpio)]->port_fer_clear = gpio_bit(gpio);
-	else
-		gpio_array[gpio_bank(gpio)]->port_fer_set = gpio_bit(gpio);
-#endif
-}
-
-inline void portmux_setup(unsigned short per)
-{
-	u32 pmux;
-	u16 ident = P_IDENT(per);
-	u16 function = P_FUNCT2MUX(per);
-
-	pmux = gpio_array[gpio_bank(ident)]->port_mux;
-
-	pmux &= ~(0x3 << (2 * gpio_sub_n(ident)));
-	pmux |= (function & 0x3) << (2 * gpio_sub_n(ident));
-
-	gpio_array[gpio_bank(ident)]->port_mux = pmux;
-}
-
-inline u16 get_portmux(unsigned short per)
-{
-	u32 pmux;
-	u16 ident = P_IDENT(per);
-
-	pmux = gpio_array[gpio_bank(ident)]->port_mux;
-
-	return pmux >> (2 * gpio_sub_n(ident)) & 0x3;
-}
-
-unsigned short get_gpio_dir(unsigned gpio)
-{
-	return 0x01 &
-		(gpio_array[gpio_bank(gpio)]->dir_clear >> gpio_sub_n(gpio));
-}
-
-/***********************************************************
-*
-* FUNCTIONS:	Peripheral Resource Allocation
-*		and PortMux Setup
-*
-* INPUTS/OUTPUTS:
-* per	Peripheral Identifier
-* label	String
-*
-* DESCRIPTION: Peripheral Resource Allocation and Setup API
-**************************************************************/
-
-int peripheral_request(unsigned short per, const char *label)
-{
-	unsigned short ident = P_IDENT(per);
-
-	/*
-	 * Don't cares are pins with only one dedicated function
-	 */
-
-	if (per & P_DONTCARE)
-		return 0;
-
-	if (!(per & P_DEFINED))
-		return -EINVAL;
-
-	BUG_ON(ident >= MAX_RESOURCES);
-
-	/* If a pin can be muxed as either GPIO or peripheral, make
-	 * sure it is not already a GPIO pin when we request it.
-	 */
-	if (unlikely(!check_gpio(ident) && is_reserved(gpio, ident, 1))) {
-		printf("%s: Peripheral %d is already reserved as GPIO by %s!\n",
-		       __func__, ident, get_label(ident));
-		return -EBUSY;
-	}
-
-	if (unlikely(is_reserved(peri, ident, 1))) {
-		/*
-		 * Pin functions like AMC address strobes my
-		 * be requested and used by several drivers
-		 */
-
-		if (!((per & P_MAYSHARE) &&
-			get_portmux(per) == P_FUNCT2MUX(per))) {
-			/*
-			 * Allow that the identical pin function can
-			 * be requested from the same driver twice
-			 */
-
-			if (cmp_label(ident, label) == 0)
-				goto anyway;
-
-			printf("%s: Peripheral %d function %d is already "
-				"reserved by %s!\n", __func__, ident,
-				P_FUNCT2MUX(per), get_label(ident));
-			return -EBUSY;
-		}
-	}
-
- anyway:
-	reserve(peri, ident);
-
-	portmux_setup(per);
-	port_setup(ident, PERIPHERAL_USAGE);
-
-	set_label(ident, label);
-
-	return 0;
-}
-
-int peripheral_request_list(const unsigned short per[], const char *label)
-{
-	u16 cnt;
-	int ret;
-
-	for (cnt = 0; per[cnt] != 0; cnt++) {
-		ret = peripheral_request(per[cnt], label);
-
-		if (ret < 0) {
-			for (; cnt > 0; cnt--)
-				peripheral_free(per[cnt - 1]);
-
-			return ret;
-		}
-	}
-
-	return 0;
-}
-
-void peripheral_free(unsigned short per)
-{
-	unsigned short ident = P_IDENT(per);
-
-	if (per & P_DONTCARE)
-		return;
-
-	if (!(per & P_DEFINED))
-		return;
-
-	if (unlikely(!is_reserved(peri, ident, 0)))
-		return;
-
-	if (!(per & P_MAYSHARE))
-		port_setup(ident, GPIO_USAGE);
-
-	unreserve(peri, ident);
-
-	set_label(ident, "free");
-}
-
-void peripheral_free_list(const unsigned short per[])
-{
-	u16 cnt;
-	for (cnt = 0; per[cnt] != 0; cnt++)
-		peripheral_free(per[cnt]);
-}
-
-/***********************************************************
-*
-* FUNCTIONS: GPIO Driver
-*
-* INPUTS/OUTPUTS:
-* gpio	PIO Number between 0 and MAX_GPIOS
-* label	String
-*
-* DESCRIPTION: GPIO Driver API
-**************************************************************/
-
-int gpio_request(unsigned gpio, const char *label)
-{
-	if (check_gpio(gpio) < 0)
-		return -EINVAL;
-
-	/*
-	 * Allow that the identical GPIO can
-	 * be requested from the same driver twice
-	 * Do nothing and return -
-	 */
-
-	if (cmp_label(gpio, label) == 0)
-		return 0;
-
-	if (unlikely(is_reserved(gpio, gpio, 1))) {
-		printf("adi_gpio2: GPIO %d is already reserved by %s!\n",
-			gpio, get_label(gpio));
-		return -EBUSY;
-	}
-	if (unlikely(is_reserved(peri, gpio, 1))) {
-		printf("adi_gpio2: GPIO %d is already reserved as Peripheral "
-			"by %s!\n", gpio, get_label(gpio));
-		return -EBUSY;
-	}
-
-	reserve(gpio, gpio);
-	set_label(gpio, label);
-
-	port_setup(gpio, GPIO_USAGE);
-
-	return 0;
-}
-
-int gpio_free(unsigned gpio)
-{
-	if (check_gpio(gpio) < 0)
-		return -1;
-
-	if (unlikely(!is_reserved(gpio, gpio, 0))) {
-		gpio_error(gpio);
-		return -1;
-	}
-
-	unreserve(gpio, gpio);
-
-	set_label(gpio, "free");
-
-	return 0;
-}
-
-#ifdef ADI_SPECIAL_GPIO_BANKS
-static DECLARE_RESERVED_MAP(special_gpio, gpio_bank(MAX_RESOURCES));
-
-int special_gpio_request(unsigned gpio, const char *label)
-{
-	/*
-	 * Allow that the identical GPIO can
-	 * be requested from the same driver twice
-	 * Do nothing and return -
-	 */
-
-	if (cmp_label(gpio, label) == 0)
-		return 0;
-
-	if (unlikely(is_reserved(special_gpio, gpio, 1))) {
-		printf("adi_gpio2: GPIO %d is already reserved by %s!\n",
-			gpio, get_label(gpio));
-		return -EBUSY;
-	}
-	if (unlikely(is_reserved(peri, gpio, 1))) {
-		printf("adi_gpio2: GPIO %d is already reserved as Peripheral "
-			"by %s!\n", gpio, get_label(gpio));
-
-		return -EBUSY;
-	}
-
-	reserve(special_gpio, gpio);
-	reserve(peri, gpio);
-
-	set_label(gpio, label);
-	port_setup(gpio, GPIO_USAGE);
-
-	return 0;
-}
-
-void special_gpio_free(unsigned gpio)
-{
-	if (unlikely(!is_reserved(special_gpio, gpio, 0))) {
-		gpio_error(gpio);
-		return;
-	}
-
-	unreserve(special_gpio, gpio);
-	unreserve(peri, gpio);
-	set_label(gpio, "free");
-}
-#endif
-
-static inline void __gpio_direction_input(unsigned gpio)
-{
-	gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
-#if defined(CONFIG_BF54x)
-	gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
-#else
-	gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio);
-#endif
-}
-
-int gpio_direction_input(unsigned gpio)
-{
-	unsigned long flags;
-
-	if (!is_reserved(gpio, gpio, 0)) {
-		gpio_error(gpio);
-		return -EINVAL;
-	}
-
-	local_irq_save(flags);
-	__gpio_direction_input(gpio);
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-int gpio_set_value(unsigned gpio, int arg)
-{
-	if (arg)
-		gpio_array[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
-	else
-		gpio_array[gpio_bank(gpio)]->data_clear = gpio_bit(gpio);
-
-	return 0;
-}
-
-int gpio_direction_output(unsigned gpio, int value)
-{
-	unsigned long flags;
-
-	if (!is_reserved(gpio, gpio, 0)) {
-		gpio_error(gpio);
-		return -EINVAL;
-	}
-
-	local_irq_save(flags);
-
-#if defined(CONFIG_BF54x)
-	gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
-#else
-	gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio);
-#endif
-	gpio_set_value(gpio, value);
-	gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
-
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-int gpio_get_value(unsigned gpio)
-{
-	return 1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio));
-}
-
-void gpio_labels(void)
-{
-	int c, gpio;
-
-	for (c = 0; c < MAX_RESOURCES; c++) {
-		gpio = is_reserved(gpio, c, 1);
-		if (!check_gpio(c) && gpio)
-			printf("GPIO_%d:\t%s\tGPIO %s\n", c, get_label(c),
-				get_gpio_dir(c) ? "OUTPUT" : "INPUT");
-		else if (is_reserved(peri, c, 1))
-			printf("GPIO_%d:\t%s\tPeripheral\n", c, get_label(c));
-		else
-			continue;
-	}
-}