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Diffstat (limited to 'target/linux/xburst/patches-2.6.35/106-gpio-charger.patch')
-rw-r--r--target/linux/xburst/patches-2.6.35/106-gpio-charger.patch267
1 files changed, 0 insertions, 267 deletions
diff --git a/target/linux/xburst/patches-2.6.35/106-gpio-charger.patch b/target/linux/xburst/patches-2.6.35/106-gpio-charger.patch
deleted file mode 100644
index f04f918cac..0000000000
--- a/target/linux/xburst/patches-2.6.35/106-gpio-charger.patch
+++ /dev/null
@@ -1,267 +0,0 @@
-From 97d812a16359f6c9afd2f866176828a7e6e071dc Mon Sep 17 00:00:00 2001
-From: Lars-Peter Clausen <lars@metafoo.de>
-Date: Sat, 24 Apr 2010 12:29:31 +0200
-Subject: [PATCH] Add gpio chager driver
-
----
- drivers/power/Kconfig | 7 ++
- drivers/power/Makefile | 1 +
- drivers/power/gpio-charger.c | 185 ++++++++++++++++++++++++++++++++++++
- include/linux/power/gpio-charger.h | 28 ++++++
- 4 files changed, 221 insertions(+), 0 deletions(-)
- create mode 100644 drivers/power/gpio-charger.c
- create mode 100644 include/linux/power/gpio-charger.h
-
-diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
-index 1e5506b..f700b03 100644
---- a/drivers/power/Kconfig
-+++ b/drivers/power/Kconfig
-@@ -153,4 +153,11 @@ config BATTERY_JZ4740
- This driver can be build as a module. If so, the module will be
- called jz4740-battery.
-
-+config CHARGER_GPIO
-+ tristate "GPIO charger"
-+ depends on GPIOLIB
-+ help
-+ Say Y to include support for chargers indicating their status through
-+ a GPIO pin.
-+
- endif # POWER_SUPPLY
-diff --git a/drivers/power/Makefile b/drivers/power/Makefile
-index cf95009..51be41a 100644
---- a/drivers/power/Makefile
-+++ b/drivers/power/Makefile
-@@ -35,3 +35,4 @@ obj-$(CONFIG_BATTERY_MAX17040) += max17040_battery.o
- obj-$(CONFIG_BATTERY_Z2) += z2_battery.o
- obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o
- obj-$(CONFIG_BATTERY_JZ4740) += jz4740-battery.o
-+obj-$(CONFIG_CHARGER_GPIO) += gpio-charger.o
-diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
-new file mode 100644
-index 0000000..b877f74
---- /dev/null
-+++ b/drivers/power/gpio-charger.c
-@@ -0,0 +1,185 @@
-+/*
-+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
-+ * Driver for chargers indicating their status through a GPIO pin
-+ *
-+ * 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.
-+ *
-+ * 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/device.h>
-+#include <linux/gpio.h>
-+#include <linux/init.h>
-+#include <linux/interrupt.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+#include <linux/power_supply.h>
-+#include <linux/slab.h>
-+#include <linux/types.h>
-+
-+#include <linux/power/gpio-charger.h>
-+
-+struct gpio_charger {
-+ const struct gpio_charger_platform_data *pdata;
-+
-+ int irq;
-+
-+ struct power_supply charger;
-+};
-+
-+static irqreturn_t gpio_charger_irq(int irq, void *devid)
-+{
-+ struct power_supply *charger = devid;
-+ power_supply_changed(charger);
-+
-+ return IRQ_HANDLED;
-+}
-+
-+static inline struct gpio_charger *psy_to_gpio_charger(struct power_supply *psy)
-+{
-+ return container_of(psy, struct gpio_charger, charger);
-+}
-+
-+static int gpio_charger_get_property(struct power_supply *psy,
-+ enum power_supply_property psp, union power_supply_propval *val)
-+{
-+ struct gpio_charger *gpio_charger = psy_to_gpio_charger(psy);
-+ const struct gpio_charger_platform_data *pdata = gpio_charger->pdata;
-+
-+ switch (psp) {
-+ case POWER_SUPPLY_PROP_ONLINE:
-+ val->intval = gpio_get_value(pdata->gpio);
-+ val->intval ^= pdata->gpio_active_low;
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ return 0;
-+}
-+
-+static enum power_supply_property gpio_charger_properties[] = {
-+ POWER_SUPPLY_PROP_ONLINE,
-+};
-+
-+static int __devinit gpio_charger_probe(struct platform_device *pdev)
-+{
-+ const struct gpio_charger_platform_data *pdata = pdev->dev.platform_data;
-+ struct gpio_charger *gpio_charger;
-+ struct power_supply *charger;
-+ int ret;
-+
-+ if (!pdata) {
-+ dev_err(&pdev->dev, "No platform data");
-+ return -EINVAL;
-+ }
-+
-+ gpio_charger = kzalloc(sizeof(*gpio_charger), GFP_KERNEL);
-+
-+ charger = &gpio_charger->charger;
-+
-+ charger->name = pdata->name;
-+ charger->type = pdata->type;
-+ charger->properties = gpio_charger_properties;
-+ charger->num_properties = ARRAY_SIZE(gpio_charger_properties);
-+ charger->get_property = gpio_charger_get_property;
-+ charger->supplied_to = pdata->batteries;
-+ charger->num_supplicants = pdata->num_batteries;
-+
-+ if (gpio_is_valid(pdata->gpio)) {
-+ ret = gpio_request(pdata->gpio, dev_name(&pdev->dev));
-+ if (ret) {
-+ dev_err(&pdev->dev, "Failed to request gpio pin: %d\n", ret);
-+ goto err;
-+ }
-+ ret = gpio_direction_input(pdata->gpio);
-+ if (ret) {
-+ dev_err(&pdev->dev, "Failed to set gpio to input: %d\n", ret);
-+ goto err_gpio_free;
-+ }
-+
-+ gpio_charger->irq = gpio_to_irq(pdata->gpio);
-+ if (gpio_charger->irq >= 0) {
-+ ret = request_irq(gpio_charger->irq, gpio_charger_irq,
-+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-+ dev_name(&pdev->dev), charger);
-+ if (ret) {
-+ dev_warn(&pdev->dev, "Failed to request online gpio irq: %d\n", ret);
-+ gpio_charger->irq = -1;
-+ }
-+ }
-+ }
-+
-+ gpio_charger->pdata = pdata;
-+
-+ ret = power_supply_register(&pdev->dev, charger);
-+ if (ret < 0) {
-+ dev_err(&pdev->dev, "Failed to register power supply: %d\n", ret);
-+ goto err_gpio_free;
-+ }
-+
-+ platform_set_drvdata(pdev, gpio_charger);
-+
-+ return 0;
-+
-+err_gpio_free:
-+ if (gpio_is_valid(pdata->gpio)) {
-+ if (gpio_charger->irq >= 0)
-+ free_irq(gpio_charger->irq, charger);
-+ gpio_free(pdata->gpio);
-+ }
-+err:
-+ return ret;
-+}
-+
-+static int __devexit gpio_charger_remove(struct platform_device *pdev)
-+{
-+ struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
-+ const struct gpio_charger_platform_data *pdata = gpio_charger->pdata;
-+
-+ power_supply_unregister(&gpio_charger->charger);
-+
-+ if (gpio_is_valid(pdata->gpio)) {
-+ if (gpio_charger->irq >= 0)
-+ free_irq(gpio_charger->irq, &gpio_charger->charger);
-+ gpio_free(pdata->gpio);
-+ }
-+
-+ platform_set_drvdata(pdev, NULL);
-+ kfree(gpio_charger);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver gpio_charger_driver = {
-+ .probe = gpio_charger_probe,
-+ .remove = __devexit_p(gpio_charger_remove),
-+ .driver = {
-+ .name = "gpio-charger",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init gpio_charger_init(void)
-+{
-+ return platform_driver_register(&gpio_charger_driver);
-+}
-+module_init(gpio_charger_init);
-+
-+static void __exit gpio_charger_exit(void)
-+{
-+ platform_driver_unregister(&gpio_charger_driver);
-+}
-+module_exit(gpio_charger_exit);
-+
-+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
-+MODULE_DESCRIPTION("Driver for chargers indicating their status through a gpio");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:gpio-charger");
-diff --git a/include/linux/power/gpio-charger.h b/include/linux/power/gpio-charger.h
-new file mode 100644
-index 0000000..95cdfc3
---- /dev/null
-+++ b/include/linux/power/gpio-charger.h
-@@ -0,0 +1,28 @@
-+/*
-+ * Copyright (C) 2010, 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 as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ *
-+ * 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.
-+ *
-+ */
-+
-+#ifndef __LINUX_POWER_GPIO_CHARGER_H__
-+#define __LINUX_POWER_GPIO_CHARGER_H__
-+
-+struct gpio_charger_platform_data {
-+ const char *name;
-+ enum power_supply_type type;
-+ int gpio;
-+ int gpio_active_low;
-+
-+ char **batteries;
-+ size_t num_batteries;
-+};
-+
-+#endif
---
-1.5.6.5
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 08:21:15 +0000