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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-09 10:55:17 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-09 10:55:17 -0800
commitb675b3667f6729dcd1036a2a129b35445947f905 (patch)
tree0d58791e9063d3ca2c352da6f3e7df2bdb876f9d /drivers/input/keyboard
parent104a5f3cad8f2f27cadbdf0029400ecd9e17ccc0 (diff)
parent192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff)
downloadop-kernel-dev-b675b3667f6729dcd1036a2a129b35445947f905.zip
op-kernel-dev-b675b3667f6729dcd1036a2a129b35445947f905.tar.gz
Merge commit 'v3.3-rc6' into next
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/amikbd.c15
-rw-r--r--drivers/input/keyboard/davinci_keyscan.c13
-rw-r--r--drivers/input/keyboard/nomadik-ske-keypad.c13
-rw-r--r--drivers/input/keyboard/samsung-keypad.c173
-rw-r--r--drivers/input/keyboard/twl4030_keypad.c4
5 files changed, 200 insertions, 18 deletions
diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c
index 6df5f6a..79172af 100644
--- a/drivers/input/keyboard/amikbd.c
+++ b/drivers/input/keyboard/amikbd.c
@@ -259,6 +259,19 @@ static struct platform_driver amikbd_driver = {
.owner = THIS_MODULE,
},
};
-module_platform_driver(amikbd_driver);
+
+static int __init amikbd_init(void)
+{
+ return platform_driver_probe(&amikbd_driver, amikbd_probe);
+}
+
+module_init(amikbd_init);
+
+static void __exit amikbd_exit(void)
+{
+ platform_driver_unregister(&amikbd_driver);
+}
+
+module_exit(amikbd_exit);
MODULE_ALIAS("platform:amiga-keyboard");
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index 4698252..9d82b3a 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -328,7 +328,18 @@ static struct platform_driver davinci_ks_driver = {
},
.remove = __devexit_p(davinci_ks_remove),
};
-module_platform_driver(davinci_ks_driver);
+
+static int __init davinci_ks_init(void)
+{
+ return platform_driver_probe(&davinci_ks_driver, davinci_ks_probe);
+}
+module_init(davinci_ks_init);
+
+static void __exit davinci_ks_exit(void)
+{
+ platform_driver_unregister(&davinci_ks_driver);
+}
+module_exit(davinci_ks_exit);
MODULE_AUTHOR("Miguel Aguilar");
MODULE_DESCRIPTION("Texas Instruments DaVinci Key Scan Driver");
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
index 91c2fcb..101e245 100644
--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -385,7 +385,18 @@ static struct platform_driver ske_keypad_driver = {
},
.remove = __devexit_p(ske_keypad_remove),
};
-module_platform_driver(ske_keypad_driver);
+
+static int __init ske_keypad_init(void)
+{
+ return platform_driver_probe(&ske_keypad_driver, ske_keypad_probe);
+}
+module_init(ske_keypad_init);
+
+static void __exit ske_keypad_exit(void)
+{
+ platform_driver_unregister(&ske_keypad_driver);
+}
+module_exit(ske_keypad_exit);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Naveen Kumar <naveen.gaddipati@stericsson.com> / Sundar Iyer <sundar.iyer@stericsson.com>");
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index 395b3af..2391ae8 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -23,6 +23,8 @@
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
#include <linux/sched.h>
#include <linux/input/samsung-keypad.h>
@@ -72,31 +74,26 @@ struct samsung_keypad {
bool stopped;
bool wake_enabled;
int irq;
+ enum samsung_keypad_type type;
unsigned int row_shift;
unsigned int rows;
unsigned int cols;
unsigned int row_state[SAMSUNG_MAX_COLS];
+#ifdef CONFIG_OF
+ int row_gpios[SAMSUNG_MAX_ROWS];
+ int col_gpios[SAMSUNG_MAX_COLS];
+#endif
unsigned short keycodes[];
};
-static int samsung_keypad_is_s5pv210(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- enum samsung_keypad_type type =
- platform_get_device_id(pdev)->driver_data;
-
- return type == KEYPAD_TYPE_S5PV210;
-}
-
static void samsung_keypad_scan(struct samsung_keypad *keypad,
unsigned int *row_state)
{
- struct device *dev = keypad->input_dev->dev.parent;
unsigned int col;
unsigned int val;
for (col = 0; col < keypad->cols; col++) {
- if (samsung_keypad_is_s5pv210(dev)) {
+ if (keypad->type == KEYPAD_TYPE_S5PV210) {
val = S5PV210_KEYIFCOLEN_MASK;
val &= ~(1 << col) << 8;
} else {
@@ -251,6 +248,126 @@ static void samsung_keypad_close(struct input_dev *input_dev)
samsung_keypad_stop(keypad);
}
+#ifdef CONFIG_OF
+static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
+ struct device *dev)
+{
+ struct samsung_keypad_platdata *pdata;
+ struct matrix_keymap_data *keymap_data;
+ uint32_t *keymap, num_rows = 0, num_cols = 0;
+ struct device_node *np = dev->of_node, *key_np;
+ unsigned int key_count = 0;
+
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata) {
+ dev_err(dev, "could not allocate memory for platform data\n");
+ return NULL;
+ }
+
+ of_property_read_u32(np, "samsung,keypad-num-rows", &num_rows);
+ of_property_read_u32(np, "samsung,keypad-num-columns", &num_cols);
+ if (!num_rows || !num_cols) {
+ dev_err(dev, "number of keypad rows/columns not specified\n");
+ return NULL;
+ }
+ pdata->rows = num_rows;
+ pdata->cols = num_cols;
+
+ keymap_data = devm_kzalloc(dev, sizeof(*keymap_data), GFP_KERNEL);
+ if (!keymap_data) {
+ dev_err(dev, "could not allocate memory for keymap data\n");
+ return NULL;
+ }
+ pdata->keymap_data = keymap_data;
+
+ for_each_child_of_node(np, key_np)
+ key_count++;
+
+ keymap_data->keymap_size = key_count;
+ keymap = devm_kzalloc(dev, sizeof(uint32_t) * key_count, GFP_KERNEL);
+ if (!keymap) {
+ dev_err(dev, "could not allocate memory for keymap\n");
+ return NULL;
+ }
+ keymap_data->keymap = keymap;
+
+ for_each_child_of_node(np, key_np) {
+ u32 row, col, key_code;
+ of_property_read_u32(key_np, "keypad,row", &row);
+ of_property_read_u32(key_np, "keypad,column", &col);
+ of_property_read_u32(key_np, "linux,code", &key_code);
+ *keymap++ = KEY(row, col, key_code);
+ }
+
+ if (of_get_property(np, "linux,input-no-autorepeat", NULL))
+ pdata->no_autorepeat = true;
+ if (of_get_property(np, "linux,input-wakeup", NULL))
+ pdata->wakeup = true;
+
+ return pdata;
+}
+
+static void samsung_keypad_parse_dt_gpio(struct device *dev,
+ struct samsung_keypad *keypad)
+{
+ struct device_node *np = dev->of_node;
+ int gpio, ret, row, col;
+
+ for (row = 0; row < keypad->rows; row++) {
+ gpio = of_get_named_gpio(np, "row-gpios", row);
+ keypad->row_gpios[row] = gpio;
+ if (!gpio_is_valid(gpio)) {
+ dev_err(dev, "keypad row[%d]: invalid gpio %d\n",
+ row, gpio);
+ continue;
+ }
+
+ ret = gpio_request(gpio, "keypad-row");
+ if (ret)
+ dev_err(dev, "keypad row[%d] gpio request failed\n",
+ row);
+ }
+
+ for (col = 0; col < keypad->cols; col++) {
+ gpio = of_get_named_gpio(np, "col-gpios", col);
+ keypad->col_gpios[col] = gpio;
+ if (!gpio_is_valid(gpio)) {
+ dev_err(dev, "keypad column[%d]: invalid gpio %d\n",
+ col, gpio);
+ continue;
+ }
+
+ ret = gpio_request(gpio, "keypad-col");
+ if (ret)
+ dev_err(dev, "keypad column[%d] gpio request failed\n",
+ col);
+ }
+}
+
+static void samsung_keypad_dt_gpio_free(struct samsung_keypad *keypad)
+{
+ int cnt;
+
+ for (cnt = 0; cnt < keypad->rows; cnt++)
+ if (gpio_is_valid(keypad->row_gpios[cnt]))
+ gpio_free(keypad->row_gpios[cnt]);
+
+ for (cnt = 0; cnt < keypad->cols; cnt++)
+ if (gpio_is_valid(keypad->col_gpios[cnt]))
+ gpio_free(keypad->col_gpios[cnt]);
+}
+#else
+static
+struct samsung_keypad_platdata *samsung_keypad_parse_dt(struct device *dev)
+{
+ return NULL;
+}
+
+static void samsung_keypad_dt_gpio_free(struct samsung_keypad *keypad)
+{
+}
+#endif
+
static int __devinit samsung_keypad_probe(struct platform_device *pdev)
{
const struct samsung_keypad_platdata *pdata;
@@ -262,7 +379,10 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
unsigned int keymap_size;
int error;
- pdata = pdev->dev.platform_data;
+ if (pdev->dev.of_node)
+ pdata = samsung_keypad_parse_dt(&pdev->dev);
+ else
+ pdata = pdev->dev.platform_data;
if (!pdata) {
dev_err(&pdev->dev, "no platform data defined\n");
return -EINVAL;
@@ -321,6 +441,16 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
keypad->stopped = true;
init_waitqueue_head(&keypad->wait);
+ if (pdev->dev.of_node) {
+#ifdef CONFIG_OF
+ samsung_keypad_parse_dt_gpio(&pdev->dev, keypad);
+ keypad->type = of_device_is_compatible(pdev->dev.of_node,
+ "samsung,s5pv210-keypad");
+#endif
+ } else {
+ keypad->type = platform_get_device_id(pdev)->driver_data;
+ }
+
input_dev->name = pdev->name;
input_dev->id.bustype = BUS_HOST;
input_dev->dev.parent = &pdev->dev;
@@ -363,6 +493,11 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
if (error)
goto err_free_irq;
+ if (pdev->dev.of_node) {
+ devm_kfree(&pdev->dev, (void *)pdata->keymap_data->keymap);
+ devm_kfree(&pdev->dev, (void *)pdata->keymap_data);
+ devm_kfree(&pdev->dev, (void *)pdata);
+ }
return 0;
err_free_irq:
@@ -372,6 +507,7 @@ err_free_irq:
platform_set_drvdata(pdev, NULL);
err_put_clk:
clk_put(keypad->clk);
+ samsung_keypad_dt_gpio_free(keypad);
err_unmap_base:
iounmap(keypad->base);
err_free_mem:
@@ -398,6 +534,7 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev)
free_irq(keypad->irq, keypad);
clk_put(keypad->clk);
+ samsung_keypad_dt_gpio_free(keypad);
iounmap(keypad->base);
kfree(keypad);
@@ -518,6 +655,17 @@ static const struct dev_pm_ops samsung_keypad_pm_ops = {
samsung_keypad_runtime_resume, NULL)
};
+#ifdef CONFIG_OF
+static const struct of_device_id samsung_keypad_dt_match[] = {
+ { .compatible = "samsung,s3c6410-keypad" },
+ { .compatible = "samsung,s5pv210-keypad" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match);
+#else
+#define samsung_keypad_dt_match NULL
+#endif
+
static struct platform_device_id samsung_keypad_driver_ids[] = {
{
.name = "samsung-keypad",
@@ -536,6 +684,7 @@ static struct platform_driver samsung_keypad_driver = {
.driver = {
.name = "samsung-keypad",
.owner = THIS_MODULE,
+ .of_match_table = samsung_keypad_dt_match,
.pm = &samsung_keypad_pm_ops,
},
.id_table = samsung_keypad_driver_ids,
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index a588578..67bec14 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -34,7 +34,6 @@
#include <linux/i2c/twl.h>
#include <linux/slab.h>
-
/*
* The TWL4030 family chips include a keypad controller that supports
* up to an 8x8 switch matrix. The controller can issue system wakeup
@@ -302,7 +301,7 @@ static int __devinit twl4030_kp_program(struct twl4030_keypad *kp)
if (twl4030_kpwrite_u8(kp, i, KEYP_DEB) < 0)
return -EIO;
- /* Set timeout period to 100 ms */
+ /* Set timeout period to 200 ms */
i = KEYP_PERIOD_US(200000, PTV_PRESCALER);
if (twl4030_kpwrite_u8(kp, (i & 0xFF), KEYP_TIMEOUT_L) < 0)
return -EIO;
@@ -466,4 +465,3 @@ MODULE_AUTHOR("Texas Instruments");
MODULE_DESCRIPTION("TWL4030 Keypad Driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:twl4030_keypad");
-
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