+++ /dev/null
-Index: linux-2.6.30.10/drivers/gpio/Kconfig
-===================================================================
---- linux-2.6.30.10.orig/drivers/gpio/Kconfig 2010-03-24 21:55:56.000000000 +0100
-+++ linux-2.6.30.10/drivers/gpio/Kconfig 2010-03-24 21:56:36.000000000 +0100
-@@ -176,4 +176,12 @@
- SPI driver for Microchip MCP23S08 I/O expander. This provides
- a GPIO interface supporting inputs and outputs.
-
-+comment "EBU GPIO expanders:"
-+
-+config GPIO_IFXMIPS_EBU
-+ boolean "IFXMIPS EBU attached I/O expander"
-+ depends on IFXMIPS
-+ help
-+ This driver allows you to drive latches attached to the SoCc External Bus Unit
-+
- endif
-Index: linux-2.6.30.10/drivers/gpio/Makefile
-===================================================================
---- linux-2.6.30.10.orig/drivers/gpio/Makefile 2010-03-24 21:55:56.000000000 +0100
-+++ linux-2.6.30.10/drivers/gpio/Makefile 2010-03-24 21:56:36.000000000 +0100
-@@ -12,3 +12,4 @@
- obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o
- obj-$(CONFIG_GPIO_XILINX) += xilinx_gpio.o
- obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o
-+obj-$(CONFIG_GPIO_IFXMIPS_EBU) += ifxmips_ebu_gpio.o
-Index: linux-2.6.30.10/arch/mips/ifxmips/board.c
-===================================================================
---- linux-2.6.30.10.orig/arch/mips/ifxmips/board.c 2010-03-25 10:43:06.000000000 +0100
-+++ linux-2.6.30.10/arch/mips/ifxmips/board.c 2010-03-25 12:40:54.000000000 +0100
-@@ -111,6 +111,11 @@
- .name = "ifxmips_wdt",
- };
-
-+static struct platform_device ifxmips_ebu = {
-+ .id = 0,
-+ .name = "ifxmips_ebu",
-+};
-+
- static struct resource ifxmips_mtd_resource = {
- .start = IFXMIPS_FLASH_START,
- .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
-@@ -145,10 +150,18 @@
- static struct gpio_led arv452_gpio_leds[] = {
- { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, },
- { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, },
-- { .name = "ifx:pink:internet", .gpio = 5, .active_low = 1, },
-+ { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, },
- { .name = "ifx:red:power", .gpio = 6, .active_low = 1, },
- { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, },
- { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, },
-+ { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, },
-+ { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, },
-+ { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, },
-+ { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, },
-+ { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, },
-+ { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, },
-+ { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, },
-+ { .name = "ifx:red:internet", .gpio = 41, .active_low = 1, },
- };
-
- static struct gpio_led_platform_data ifxmips_gpio_led_data;
-@@ -205,6 +218,7 @@
- struct platform_device *arv452_devs[] = {
- &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd,
- &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb,
-+ &ifxmips_ebu,
- #ifdef CONFIG_LEDS_GPIO
- &ifxmips_gpio_leds,
- #endif
-Index: linux-2.6.30.10/drivers/gpio/ifxmips_ebu_gpio.c
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.30.10/drivers/gpio/ifxmips_ebu_gpio.c 2010-03-25 12:47:07.000000000 +0100
-@@ -0,0 +1,121 @@
-+/*
-+ * 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.
-+ *
-+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
-+#include <linux/mutex.h>
-+#include <linux/gpio.h>
-+#include <ifxmips.h>
-+
-+#define IFXMIPS_EBU_START 0x14000000
-+#define IFXMIPS_EBU_MAX 0x00001000
-+#define IFXMIPS_EBU_BUSCON 0x1e7ff
-+#define IFXMIPS_EBU_WP 0x80000000
-+
-+static int shadow = (1 << 10) | (1 << 8);
-+static void __iomem *virt;
-+
-+static int
-+ifxmips_ebu_direction_input(struct gpio_chip *chip, unsigned offset)
-+{
-+ return -EINVAL;
-+}
-+
-+static int
-+ifxmips_ebu_direction_output(struct gpio_chip *chip, unsigned offset, int value)
-+{
-+ return 0;
-+}
-+
-+static int
-+ifxmips_ebu_get(struct gpio_chip *chip, unsigned offset)
-+{
-+ return -EINVAL;
-+}
-+
-+static void
-+ifxmips_ebu_set(struct gpio_chip *chip, unsigned offset, int value)
-+{
-+ if(value)
-+ shadow |= (1 << offset);
-+ else
-+ shadow &= ~(1 << offset);
-+ ifxmips_w32(IFXMIPS_EBU_BUSCON, IFXMIPS_EBU_BUSCON1);
-+ *((__u16*)virt) = shadow;
-+ ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1);
-+}
-+
-+static struct gpio_chip
-+ifxmips_ebu_chip =
-+{
-+ .label = "ifxmips_ebu",
-+ .direction_input = ifxmips_ebu_direction_input,
-+ .direction_output = ifxmips_ebu_direction_output,
-+ .set = ifxmips_ebu_set,
-+ .get = ifxmips_ebu_get,
-+ .base = 32,
-+ .ngpio = 16,
-+ .can_sleep = 1,
-+ .owner = THIS_MODULE,
-+};
-+
-+static int __devinit
-+ifxmips_ebu_probe(struct platform_device *dev)
-+{
-+ ifxmips_w32(IFXMIPS_EBU_START | 0x1, IFXMIPS_EBU_ADDRSEL1);
-+ ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1);
-+ virt = ioremap_nocache(IFXMIPS_EBU_START, IFXMIPS_EBU_MAX);
-+ if(gpiochip_add(&ifxmips_ebu_chip))
-+ return -EINVAL;
-+ return 0;
-+}
-+
-+static int
-+ifxmips_ebu_remove(struct platform_device *dev)
-+{
-+ return gpiochip_remove(&ifxmips_ebu_chip);
-+}
-+
-+static struct platform_driver
-+ifxmips_ebu_driver = {
-+ .probe = ifxmips_ebu_probe,
-+ .remove = ifxmips_ebu_remove,
-+ .driver = {
-+ .name = "ifxmips_ebu",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init
-+ifxmips_ebu_init(void)
-+{
-+ return platform_driver_register(&ifxmips_ebu_driver);
-+}
-+
-+static void __exit
-+ifxmips_ebu_exit(void)
-+{
-+ platform_driver_unregister(&ifxmips_ebu_driver);
-+}
-+
-+module_init(ifxmips_ebu_init);
-+module_exit(ifxmips_ebu_exit);
-+
-+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("ifxmips - EBU Latch GPIO-Expander");
projects / openwrt / svn-archive / archive.git / blobdiff