gpio: pca953x: Drop deprecated DT bindings
Drop deprecated DT bindings and use automaticly assigned gpio and irq
bases.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index f9961ee..e2da64a 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -520,7 +520,7 @@
struct i2c_client *client = chip->client;
int ret, i, offset = 0;
- if (irq_base != -1
+ if (client->irq && irq_base != -1
&& (id->driver_data & PCA_INT)) {
switch (chip->chip_type) {
@@ -586,50 +586,6 @@
}
#endif
-/*
- * Handlers for alternative sources of platform_data
- */
-#ifdef CONFIG_OF_GPIO
-/*
- * Translate OpenFirmware node properties into platform_data
- * WARNING: This is DEPRECATED and will be removed eventually!
- */
-static void
-pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, u32 *invert)
-{
- struct device_node *node;
- const __be32 *val;
- int size;
-
- *gpio_base = -1;
-
- node = client->dev.of_node;
- if (node == NULL)
- return;
-
- val = of_get_property(node, "linux,gpio-base", &size);
- WARN(val, "%s: device-tree property 'linux,gpio-base' is deprecated!", __func__);
- if (val) {
- if (size != sizeof(*val))
- dev_warn(&client->dev, "%s: wrong linux,gpio-base\n",
- node->full_name);
- else
- *gpio_base = be32_to_cpup(val);
- }
-
- val = of_get_property(node, "polarity", NULL);
- WARN(val, "%s: device-tree property 'polarity' is deprecated!", __func__);
- if (val)
- *invert = *val;
-}
-#else
-static void
-pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, u32 *invert)
-{
- *gpio_base = -1;
-}
-#endif
-
static int device_pca953x_init(struct pca953x_chip *chip, u32 invert)
{
int ret;
@@ -704,12 +660,8 @@
invert = pdata->invert;
chip->names = pdata->names;
} else {
- pca953x_get_alt_pdata(client, &chip->gpio_start, &invert);
-#ifdef CONFIG_OF_GPIO
- /* If I2C node has no interrupts property, disable GPIO interrupts */
- if (of_find_property(client->dev.of_node, "interrupts", NULL) == NULL)
- irq_base = -1;
-#endif
+ chip->gpio_start = -1;
+ irq_base = 0;
}
chip->client = client;