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authorSundar Iyer <sundar.iyer@stericsson.com>2010-12-21 13:23:31 +0300
committerLinus Walleij <linus.walleij@stericsson.com>2010-12-30 00:02:24 +0300
commit09c730a488c32c2cadb31cdb8dcc4df528441197 (patch)
treeda84e298a2bc5d6a6bd4cdacfdd1a2125c3e301d /drivers/mfd/tc3589x.c
parent11c8ea81cc639c2ea56f94a9cdaa6242ff13a3af (diff)
downloadlinux-09c730a488c32c2cadb31cdb8dcc4df528441197.tar.xz
input/tc3589x: add tc3589x keypad support
Add support for the keypad controller module found on the TC3589X devices. This driver default adds the support for TC35893 device. Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> [Some minor fixups for compilation] Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Diffstat (limited to 'drivers/mfd/tc3589x.c')
-rw-r--r--drivers/mfd/tc3589x.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index 112efd3c4940..729dbeed2ce0 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -132,6 +132,14 @@ static struct resource gpio_resources[] = {
},
};
+static struct resource keypad_resources[] = {
+ {
+ .start = TC3589x_INT_KBDIRQ,
+ .end = TC3589x_INT_KBDIRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct mfd_cell tc3589x_dev_gpio[] = {
{
.name = "tc3589x-gpio",
@@ -140,6 +148,14 @@ static struct mfd_cell tc3589x_dev_gpio[] = {
},
};
+static struct mfd_cell tc3589x_dev_keypad[] = {
+ {
+ .name = "tc3589x-keypad",
+ .num_resources = ARRAY_SIZE(keypad_resources),
+ .resources = &keypad_resources[0],
+ },
+};
+
static irqreturn_t tc3589x_irq(int irq, void *data)
{
struct tc3589x *tc3589x = data;
@@ -255,8 +271,18 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
dev_info(tc3589x->dev, "added gpio block\n");
}
- return ret;
+ if (blocks & TC3589x_BLOCK_KEYPAD) {
+ ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_keypad,
+ ARRAY_SIZE(tc3589x_dev_keypad), NULL,
+ tc3589x->irq_base);
+ if (ret) {
+ dev_err(tc3589x->dev, "failed to keypad child\n");
+ return ret;
+ }
+ dev_info(tc3589x->dev, "added keypad block\n");
+ }
+ return ret;
}
static int __devinit tc3589x_probe(struct i2c_client *i2c,