gpio: tegra2: rename tegra2_gpio.* to tegra_gpio.*

In anticipation of Tegra3 support, continue removing/renaming
Tegra2-specific files. No functional changes (yet).
Updated copyrights to 2012.

Signed-off-by: Tom Warren <twarren@nvidia.com>

1 files changed, 0 insertions, 262 deletions

diff --git a/drivers/gpio/tegra2_gpio.c b/drivers/gpio/tegra2_gpio.c
deleted file mode 100644
index 70ca46f..0000000
--- a/drivers/gpio/tegra2_gpio.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * NVIDIA Tegra2 GPIO handling.
- *  (C) Copyright 2010,2011
- *  NVIDIA Corporation <www.nvidia.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * Based on (mostly copied from) kw_gpio.c based Linux 2.6 kernel driver.
- * Tom Warren (twarren@nvidia.com)
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/bitops.h>
-#include <asm/arch/tegra2.h>
-#include <asm/gpio.h>
-
-enum {
-	TEGRA2_CMD_INFO,
-	TEGRA2_CMD_PORT,
-	TEGRA2_CMD_OUTPUT,
-	TEGRA2_CMD_INPUT,
-};
-
-static struct gpio_names {
-	char name[GPIO_NAME_SIZE];
-} gpio_names[MAX_NUM_GPIOS];
-
-static char *get_name(int i)
-{
-	return *gpio_names[i].name ? gpio_names[i].name : "UNKNOWN";
-}
-
-/* Return config of pin 'gpio' as GPIO (1) or SFPIO (0) */
-static int get_config(unsigned gpio)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	u32 u;
-	int type;
-
-	u = readl(&bank->gpio_config[GPIO_PORT(gpio)]);
-	type =  (u >> GPIO_BIT(gpio)) & 1;
-
-	debug("get_config: port = %d, bit = %d is %s\n",
-		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), type ? "GPIO" : "SFPIO");
-
-	return type;
-}
-
-/* Config pin 'gpio' as GPIO or SFPIO, based on 'type' */
-static void set_config(unsigned gpio, int type)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	u32 u;
-
-	debug("set_config: port = %d, bit = %d, %s\n",
-		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), type ? "GPIO" : "SFPIO");
-
-	u = readl(&bank->gpio_config[GPIO_PORT(gpio)]);
-	if (type)				/* GPIO */
-		u |= 1 << GPIO_BIT(gpio);
-	else
-		u &= ~(1 << GPIO_BIT(gpio));
-	writel(u, &bank->gpio_config[GPIO_PORT(gpio)]);
-}
-
-/* Return GPIO pin 'gpio' direction - 0 = input or 1 = output */
-static int get_direction(unsigned gpio)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	u32 u;
-	int dir;
-
-	u = readl(&bank->gpio_dir_out[GPIO_PORT(gpio)]);
-	dir =  (u >> GPIO_BIT(gpio)) & 1;
-
-	debug("get_direction: port = %d, bit = %d, %s\n",
-		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), dir ? "OUT" : "IN");
-
-	return dir;
-}
-
-/* Config GPIO pin 'gpio' as input or output (OE) as per 'output' */
-static void set_direction(unsigned gpio, int output)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	u32 u;
-
-	debug("set_direction: port = %d, bit = %d, %s\n",
-		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), output ? "OUT" : "IN");
-
-	u = readl(&bank->gpio_dir_out[GPIO_PORT(gpio)]);
-	if (output)
-		u |= 1 << GPIO_BIT(gpio);
-	else
-		u &= ~(1 << GPIO_BIT(gpio));
-	writel(u, &bank->gpio_dir_out[GPIO_PORT(gpio)]);
-}
-
-/* set GPIO pin 'gpio' output bit as 0 or 1 as per 'high' */
-static void set_level(unsigned gpio, int high)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	u32 u;
-
-	debug("set_level: port = %d, bit %d == %d\n",
-		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), high);
-
-	u = readl(&bank->gpio_out[GPIO_PORT(gpio)]);
-	if (high)
-		u |= 1 << GPIO_BIT(gpio);
-	else
-		u &= ~(1 << GPIO_BIT(gpio));
-	writel(u, &bank->gpio_out[GPIO_PORT(gpio)]);
-}
-
-/*
- * Generic_GPIO primitives.
- */
-
-int gpio_request(unsigned gpio, const char *label)
-{
-	if (gpio >= MAX_NUM_GPIOS)
-		return -1;
-
-	if (label != NULL) {
-		strncpy(gpio_names[gpio].name, label, GPIO_NAME_SIZE);
-		gpio_names[gpio].name[GPIO_NAME_SIZE - 1] = '\0';
-	}
-
-	/* Configure as a GPIO */
-	set_config(gpio, 1);
-
-	return 0;
-}
-
-int gpio_free(unsigned gpio)
-{
-	if (gpio >= MAX_NUM_GPIOS)
-		return -1;
-
-	gpio_names[gpio].name[0] = '\0';
-	/* Do not configure as input or change pin mux here */
-	return 0;
-}
-
-/* read GPIO OUT value of pin 'gpio' */
-static int gpio_get_output_value(unsigned gpio)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	int val;
-
-	debug("gpio_get_output_value: pin = %d (port %d:bit %d)\n",
-		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
-
-	val = readl(&bank->gpio_out[GPIO_PORT(gpio)]);
-
-	return (val >> GPIO_BIT(gpio)) & 1;
-}
-
-/* set GPIO pin 'gpio' as an input */
-int gpio_direction_input(unsigned gpio)
-{
-	debug("gpio_direction_input: pin = %d (port %d:bit %d)\n",
-		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
-
-	/* Configure GPIO direction as input. */
-	set_direction(gpio, 0);
-
-	return 0;
-}
-
-/* set GPIO pin 'gpio' as an output, with polarity 'value' */
-int gpio_direction_output(unsigned gpio, int value)
-{
-	debug("gpio_direction_output: pin = %d (port %d:bit %d) = %s\n",
-		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio),
-		value ? "HIGH" : "LOW");
-
-	/* Configure GPIO output value. */
-	set_level(gpio, value);
-
-	/* Configure GPIO direction as output. */
-	set_direction(gpio, 1);
-
-	return 0;
-}
-
-/* read GPIO IN value of pin 'gpio' */
-int gpio_get_value(unsigned gpio)
-{
-	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
-	int val;
-
-	debug("gpio_get_value: pin = %d (port %d:bit %d)\n",
-		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
-
-	val = readl(&bank->gpio_in[GPIO_PORT(gpio)]);
-
-	return (val >> GPIO_BIT(gpio)) & 1;
-}
-
-/* write GPIO OUT value to pin 'gpio' */
-int gpio_set_value(unsigned gpio, int value)
-{
-	debug("gpio_set_value: pin = %d (port %d:bit %d), value = %d\n",
-		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio), value);
-
-	/* Configure GPIO output value. */
-	set_level(gpio, value);
-
-	return 0;
-}
-
-/*
- * Display Tegra GPIO information
- */
-void gpio_info(void)
-{
-	unsigned c;
-	int type;
-
-	for (c = 0; c < MAX_NUM_GPIOS; c++) {
-		type = get_config(c);		/* GPIO, not SFPIO */
-		if (type) {
-			printf("GPIO_%d:\t%s is an %s, ", c,
-				get_name(c),
-				get_direction(c) ? "OUTPUT" : "INPUT");
-			if (get_direction(c))
-				printf("value = %d", gpio_get_output_value(c));
-			else
-				printf("value = %d", gpio_get_value(c));
-			printf("\n");
-		} else
-			continue;
-	}
-}