aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpio-syscon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpio/gpio-syscon.c')
-rw-r--r--drivers/gpio/gpio-syscon.c49
1 files changed, 19 insertions, 30 deletions
diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c
index fdd3d497b535..6076937b18e7 100644
--- a/drivers/gpio/gpio-syscon.c
+++ b/drivers/gpio/gpio-syscon.c
@@ -38,7 +38,6 @@
*/
struct syscon_gpio_data {
- const char *compatible;
unsigned int flags;
unsigned int bit_count;
unsigned int dat_bit_offset;
@@ -125,7 +124,6 @@ static int syscon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, int val)
static const struct syscon_gpio_data clps711x_mctrl_gpio = {
/* ARM CLPS711X SYSFLG1 Bits 8-10 */
- .compatible = "cirrus,ep7209-syscon1",
.flags = GPIO_SYSCON_FEAT_IN,
.bit_count = 3,
.dat_bit_offset = 0x40 * 8 + 8,
@@ -182,7 +180,6 @@ static void keystone_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
static const struct syscon_gpio_data keystone_dsp_gpio = {
/* ARM Keystone 2 */
- .compatible = NULL,
.flags = GPIO_SYSCON_FEAT_OUT,
.bit_count = 28,
.dat_bit_offset = 4,
@@ -219,33 +216,25 @@ static int syscon_gpio_probe(struct platform_device *pdev)
priv->data = of_device_get_match_data(dev);
- if (priv->data->compatible) {
- priv->syscon = syscon_regmap_lookup_by_compatible(
- priv->data->compatible);
- if (IS_ERR(priv->syscon))
- return PTR_ERR(priv->syscon);
- } else {
- priv->syscon =
- syscon_regmap_lookup_by_phandle(np, "gpio,syscon-dev");
- if (IS_ERR(priv->syscon) && np->parent)
- priv->syscon = syscon_node_to_regmap(np->parent);
- if (IS_ERR(priv->syscon))
- return PTR_ERR(priv->syscon);
-
- ret = of_property_read_u32_index(np, "gpio,syscon-dev", 1,
- &priv->dreg_offset);
- if (ret)
- dev_err(dev, "can't read the data register offset!\n");
-
- priv->dreg_offset <<= 3;
-
- ret = of_property_read_u32_index(np, "gpio,syscon-dev", 2,
- &priv->dir_reg_offset);
- if (ret)
- dev_dbg(dev, "can't read the dir register offset!\n");
-
- priv->dir_reg_offset <<= 3;
- }
+ priv->syscon = syscon_regmap_lookup_by_phandle(np, "gpio,syscon-dev");
+ if (IS_ERR(priv->syscon) && np->parent)
+ priv->syscon = syscon_node_to_regmap(np->parent);
+ if (IS_ERR(priv->syscon))
+ return PTR_ERR(priv->syscon);
+
+ ret = of_property_read_u32_index(np, "gpio,syscon-dev", 1,
+ &priv->dreg_offset);
+ if (ret)
+ dev_err(dev, "can't read the data register offset!\n");
+
+ priv->dreg_offset <<= 3;
+
+ ret = of_property_read_u32_index(np, "gpio,syscon-dev", 2,
+ &priv->dir_reg_offset);
+ if (ret)
+ dev_dbg(dev, "can't read the dir register offset!\n");
+
+ priv->dir_reg_offset <<= 3;
priv->chip.parent = dev;
priv->chip.owner = THIS_MODULE;