[xburst] Add 2.6.34 patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21438 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 287 insertions, 0 deletions

diff --git a/target/linux/xburst/patches-2.6.34/801-n526-lpc.patch b/target/linux/xburst/patches-2.6.34/801-n526-lpc.patch
new file mode 100644
index 0000000000..91fd88fa67
--- /dev/null
+++ b/target/linux/xburst/patches-2.6.34/801-n526-lpc.patch
@@ -0,0 +1,287 @@
+From f5978b5a9701fe1ddeffa0c5f73923fcaf31129e Mon Sep 17 00:00:00 2001
+From: Lars-Peter Clausen <lars@metafoo.de>
+Date: Wed, 12 May 2010 14:23:43 +0200
+Subject: [PATCH] Add n526 lpc driver
+
+---
+ drivers/misc/Kconfig    |    9 ++
+ drivers/misc/Makefile   |    1 +
+ drivers/misc/n526-lpc.c |  237 +++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 247 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/misc/n526-lpc.c
+
+diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
+index aacef22..0d8297a 100644
+--- a/drivers/misc/Kconfig
++++ b/drivers/misc/Kconfig
+@@ -346,6 +346,15 @@ config N516_LPC
+ 	help
+ 	  N516 keyboard & power controller driver
+ 
++config N526_LPC
++	tristate "N526 LPC934 coprocessor"
++	depends on JZ4740_N526
++	help
++	  If you say yes here you get support for the N526s NXP LPC934 coprocessor.
++	  It is used as a keyboard controllor and for power management.
++
++	  If you have a N526 you probably want to say Y here.
++
+ source "drivers/misc/c2port/Kconfig"
+ source "drivers/misc/eeprom/Kconfig"
+ source "drivers/misc/cb710/Kconfig"
+diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
+index 21e7394..1f866b3 100644
+--- a/drivers/misc/Makefile
++++ b/drivers/misc/Makefile
+@@ -32,3 +32,4 @@ obj-y				+= eeprom/
+ obj-y				+= cb710/
+ obj-$(CONFIG_VMWARE_BALLOON)	+= vmware_balloon.o
+ obj-$(CONFIG_N516_LPC)		+= n516-lpc.o
++obj-$(CONFIG_N526_LPC)		+= n526-lpc.o
+diff --git a/drivers/misc/n526-lpc.c b/drivers/misc/n526-lpc.c
+new file mode 100644
+index 0000000..4ac5c79
+--- /dev/null
++++ b/drivers/misc/n526-lpc.c
+@@ -0,0 +1,237 @@
++/*
++ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ *  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.,
++ *  675 Mass Ave, Cambridge, MA 02139, USA.
++ *
++ */
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/i2c.h>
++#include <linux/input.h>
++#include <linux/irq.h>
++#include <linux/interrupt.h>
++
++#include <linux/workqueue.h>
++
++#include <asm/mach-jz4740/irq.h>
++#include <asm/mach-jz4740/gpio.h>
++
++struct n526_lpc {
++	struct i2c_client *client;
++	struct input_dev *input;
++
++	struct work_struct work;
++};
++
++static const unsigned int n526_lpc_keymap[] = {
++	[0x01] = KEY_PAGEUP,
++	[0x02] = KEY_PAGEDOWN,
++	[0x03] = KEY_VOLUMEUP,
++	[0x04] = KEY_VOLUMEDOWN,
++	[0x06] = KEY_1,
++	[0x07] = KEY_Q,
++	[0x08] = KEY_A,
++	[0x09] = KEY_Z,
++	[0x0a] = KEY_LEFTSHIFT,
++	[0x0b] = KEY_2,
++	[0x0c] = KEY_W,
++	[0x0d] = KEY_S,
++	[0x0e] = KEY_X,
++	[0x0f] = KEY_REFRESH,
++	[0x10] = KEY_3,
++	[0x11] = KEY_E,
++	[0x12] = KEY_D,
++	[0x13] = KEY_C,
++	[0x14] = KEY_DOCUMENTS,
++	[0x15] = KEY_4,
++	[0x16] = KEY_R,
++	[0x17] = KEY_F,
++	[0x18] = KEY_V,
++	[0x19] = KEY_MUTE,
++	[0x1a] = KEY_5,
++	[0x1b] = KEY_T,
++	[0x1c] = KEY_G,
++	[0x1d] = KEY_B,
++	[0x1e] = KEY_DELETE,
++	[0x1f] = KEY_6,
++	[0x20] = KEY_Y,
++	[0x21] = KEY_H,
++	[0x22] = KEY_N,
++	[0x23] = KEY_SPACE,
++	[0x24] = KEY_7,
++	[0x25] = KEY_U,
++	[0x26] = KEY_J,
++	[0x27] = KEY_M,
++/*	[0x28] = KEY_SYM, */
++	[0x29] = KEY_8,
++	[0x2a] = KEY_I,
++	[0x2b] = KEY_K,
++	[0x2c] = KEY_MENU,
++	[0x2d] = KEY_LEFT,
++	[0x2e] = KEY_9,
++	[0x2f] = KEY_O,
++	[0x30] = KEY_L,
++	[0x31] = KEY_UP,
++	[0x32] = KEY_DOWN,
++	[0x33] = KEY_0,
++	[0x34] = KEY_P,
++	[0x35] = KEY_BACKSPACE,
++	[0x36] = KEY_ENTER,
++	[0x37] = KEY_RIGHT,
++};
++
++static void n526_lpc_irq_work(struct work_struct *work)
++{
++	int ret;
++	struct n526_lpc *n526_lpc = container_of(work, struct n526_lpc, work);
++	struct i2c_client *client = n526_lpc->client;
++	unsigned char raw_msg;
++	struct i2c_msg msg = {client->addr, client->flags | I2C_M_RD, 1, &raw_msg};
++	unsigned char keycode;
++
++
++	ret = i2c_transfer(client->adapter, &msg, 1);
++
++	if (ret != 1) {
++		dev_err(&client->dev, "Failed to read lpc status\n");
++	}
++
++	keycode = raw_msg & 0x7f;
++
++	if (keycode < ARRAY_SIZE(n526_lpc_keymap)) {
++		input_report_key(n526_lpc->input, n526_lpc_keymap[keycode],
++		                 !(raw_msg & 0x80));
++		input_sync(n526_lpc->input);
++	}
++}
++
++static irqreturn_t n526_lpc_irq(int irq, void *dev_id)
++{
++	struct n526_lpc *n526_lpc = dev_id;
++
++	schedule_work(&n526_lpc->work);
++	return IRQ_HANDLED;
++}
++
++static int __devinit n526_lpc_probe(struct i2c_client *client,
++		const struct i2c_device_id *id)
++{
++	int ret;
++	size_t i;
++	struct n526_lpc *n526_lpc;
++	struct input_dev *input;
++
++	n526_lpc = kmalloc(sizeof(*n526_lpc), GFP_KERNEL);
++
++	if (!n526_lpc) {
++		dev_err(&client->dev, "Failed to allocate device structure\n");
++		return -ENOMEM;
++	}
++
++	input = input_allocate_device();
++	if (!input) {
++		dev_err(&client->dev, "Failed to allocate input device\n");
++		ret = -ENOMEM;
++		goto err_free;
++	}
++
++	input->name = "n526-keys";
++	input->phys = "n526-keys/input0";
++	input->dev.parent = &client->dev;
++	input->id.bustype = BUS_I2C;
++	input->id.vendor  = 0x0001;
++	input->id.product = 0x0001;
++	input->id.version = 0x0001;
++
++	__set_bit(EV_KEY, input->evbit);
++
++	for (i = 0; i < ARRAY_SIZE(n526_lpc_keymap); ++i) {
++		if (n526_lpc_keymap[i] != 0)
++			__set_bit(n526_lpc_keymap[i], input->keybit);
++	}
++
++	ret = input_register_device(input);
++
++	if (ret) {
++		dev_err(&client->dev, "Failed to register input device: %d\n", ret);
++		goto err_free_input;
++	}
++
++	n526_lpc->client = client;
++	n526_lpc->input  = input;
++	INIT_WORK(&n526_lpc->work, n526_lpc_irq_work);
++
++	ret = request_irq(client->irq, n526_lpc_irq, IRQF_TRIGGER_FALLING,
++	                  "n526-lpc", n526_lpc);
++	if (ret) {
++		dev_err(&client->dev, "Failed to request irq: %d\n", ret);
++		goto err_unregister_input;
++	}
++
++	i2c_set_clientdata(client, n526_lpc);
++
++	return 0;
++
++err_unregister_input:
++	input_unregister_device(input);
++err_free_input:
++	input_free_device(input);
++err_free:
++	kfree(n526_lpc);
++
++	return ret;
++}
++
++static int n526_lpc_remove(struct i2c_client *client)
++{
++	struct n526_lpc *n526_lpc = i2c_get_clientdata(client);
++
++	free_irq(client->irq, n526_lpc);
++
++	i2c_set_clientdata(client, NULL);
++   	input_unregister_device(n526_lpc->input);
++	input_free_device(n526_lpc->input);
++	kfree(n526_lpc);
++
++ return 0;
++}
++
++static const struct i2c_device_id n526_lpc_id[] = {
++	{ "n526-lpc", 0 },
++	{ }
++};
++MODULE_DEVICE_TABLE(i2c, n526_lpc_id);
++
++static struct i2c_driver n526_lpc_driver = {
++	.driver = {
++		.name = "n526-lpc",
++		.owner = THIS_MODULE,
++	},
++	.probe = n526_lpc_probe,
++	.remove = n526_lpc_remove,
++	.id_table = n526_lpc_id,
++};
++
++static int __init n526_lpc_init(void)
++{
++	return i2c_add_driver(&n526_lpc_driver);
++}
++module_init(n526_lpc_init);
++
++static void __exit n526_lpc_exit(void)
++{
++	i2c_del_driver(&n526_lpc_driver);
++}
++module_exit(n526_lpc_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Lars-Peter Clausen");
++MODULE_DESCRIPTION("n526 keypad driver");
++MODULE_ALIAS("i2c:n526-keys");
+-- 
+1.5.6.5
+