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path: root/drivers/pinctrl/pinctrl-abx500.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-abx500.c')
-rw-r--r--drivers/pinctrl/pinctrl-abx500.c193
1 files changed, 105 insertions, 88 deletions
diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c
index 1d3f988c2c8b..4780959e11d4 100644
--- a/drivers/pinctrl/pinctrl-abx500.c
+++ b/drivers/pinctrl/pinctrl-abx500.c
@@ -426,7 +426,7 @@ static int abx500_set_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip,
ret = abx500_gpio_set_bits(chip,
AB8500_GPIO_ALTFUN_REG,
af.alt_bit2,
- !!(af.alta_val && BIT(1)));
+ !!(af.alta_val & BIT(1)));
} else
ret = abx500_gpio_set_bits(chip, AB8500_GPIO_SEL1_REG,
offset, 1);
@@ -447,7 +447,7 @@ static int abx500_set_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip,
ret = abx500_gpio_set_bits(chip,
AB8500_GPIO_ALTFUN_REG,
af.alt_bit2,
- !!(af.altb_val && BIT(1)));
+ !!(af.altb_val & BIT(1)));
break;
case ABX500_ALT_C:
@@ -457,7 +457,7 @@ static int abx500_set_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip,
goto out;
ret = abx500_gpio_set_bits(chip, AB8500_GPIO_ALTFUN_REG,
- af.alt_bit2, !!(af.altc_val && BIT(0)));
+ af.alt_bit2, !!(af.altc_val & BIT(0)));
if (ret < 0)
goto out;
@@ -1041,98 +1041,115 @@ static int abx500_pin_config_get(struct pinctrl_dev *pctldev,
static int abx500_pin_config_set(struct pinctrl_dev *pctldev,
unsigned pin,
- unsigned long config)
+ unsigned long *configs,
+ unsigned num_configs)
{
struct abx500_pinctrl *pct = pinctrl_dev_get_drvdata(pctldev);
struct gpio_chip *chip = &pct->chip;
unsigned offset;
int ret = -EINVAL;
- enum pin_config_param param = pinconf_to_config_param(config);
- enum pin_config_param argument = pinconf_to_config_argument(config);
-
- dev_dbg(chip->dev, "pin %d [%#lx]: %s %s\n",
- pin, config, (param == PIN_CONFIG_OUTPUT) ? "output " : "input",
- (param == PIN_CONFIG_OUTPUT) ? (argument ? "high" : "low") :
- (argument ? "pull up" : "pull down"));
-
- /* on ABx500, there is no GPIO0, so adjust the offset */
- offset = pin - 1;
-
- switch (param) {
- case PIN_CONFIG_BIAS_DISABLE:
- ret = abx500_gpio_direction_input(chip, offset);
- if (ret < 0)
- goto out;
- /*
- * Some chips only support pull down, while some actually
- * support both pull up and pull down. Such chips have
- * a "pullud" range specified for the pins that support
- * both features. If the pin is not within that range, we
- * fall back to the old bit set that only support pull down.
- */
- if (abx500_pullud_supported(chip, pin))
- ret = abx500_set_pull_updown(pct,
- pin,
- ABX500_GPIO_PULL_NONE);
- else
- /* Chip only supports pull down */
- ret = abx500_gpio_set_bits(chip, AB8500_GPIO_PUD1_REG,
- offset, ABX500_GPIO_PULL_NONE);
- break;
-
- case PIN_CONFIG_BIAS_PULL_DOWN:
- ret = abx500_gpio_direction_input(chip, offset);
- if (ret < 0)
- goto out;
- /*
- * if argument = 1 set the pull down
- * else clear the pull down
- * Some chips only support pull down, while some actually
- * support both pull up and pull down. Such chips have
- * a "pullud" range specified for the pins that support
- * both features. If the pin is not within that range, we
- * fall back to the old bit set that only support pull down.
- */
- if (abx500_pullud_supported(chip, pin))
- ret = abx500_set_pull_updown(pct,
- pin,
- argument ? ABX500_GPIO_PULL_DOWN : ABX500_GPIO_PULL_NONE);
- else
- /* Chip only supports pull down */
- ret = abx500_gpio_set_bits(chip, AB8500_GPIO_PUD1_REG,
- offset,
- argument ? ABX500_GPIO_PULL_DOWN : ABX500_GPIO_PULL_NONE);
- break;
-
- case PIN_CONFIG_BIAS_PULL_UP:
- ret = abx500_gpio_direction_input(chip, offset);
- if (ret < 0)
- goto out;
- /*
- * if argument = 1 set the pull up
- * else clear the pull up
- */
- ret = abx500_gpio_direction_input(chip, offset);
- /*
- * Some chips only support pull down, while some actually
- * support both pull up and pull down. Such chips have
- * a "pullud" range specified for the pins that support
- * both features. If the pin is not within that range, do
- * nothing
- */
- if (abx500_pullud_supported(chip, pin))
- ret = abx500_set_pull_updown(pct,
- pin,
- argument ? ABX500_GPIO_PULL_UP : ABX500_GPIO_PULL_NONE);
- break;
+ int i;
+ enum pin_config_param param;
+ enum pin_config_param argument;
+
+ for (i = 0; i < num_configs; i++) {
+ param = pinconf_to_config_param(configs[i]);
+ argument = pinconf_to_config_argument(configs[i]);
+
+ dev_dbg(chip->dev, "pin %d [%#lx]: %s %s\n",
+ pin, configs[i],
+ (param == PIN_CONFIG_OUTPUT) ? "output " : "input",
+ (param == PIN_CONFIG_OUTPUT) ?
+ (argument ? "high" : "low") :
+ (argument ? "pull up" : "pull down"));
+
+ /* on ABx500, there is no GPIO0, so adjust the offset */
+ offset = pin - 1;
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ ret = abx500_gpio_direction_input(chip, offset);
+ if (ret < 0)
+ goto out;
+ /*
+ * Some chips only support pull down, while some
+ * actually support both pull up and pull down. Such
+ * chips have a "pullud" range specified for the pins
+ * that support both features. If the pin is not
+ * within that range, we fall back to the old bit set
+ * that only support pull down.
+ */
+ if (abx500_pullud_supported(chip, pin))
+ ret = abx500_set_pull_updown(pct,
+ pin,
+ ABX500_GPIO_PULL_NONE);
+ else
+ /* Chip only supports pull down */
+ ret = abx500_gpio_set_bits(chip,
+ AB8500_GPIO_PUD1_REG, offset,
+ ABX500_GPIO_PULL_NONE);
+ break;
- case PIN_CONFIG_OUTPUT:
- ret = abx500_gpio_direction_output(chip, offset, argument);
- break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ ret = abx500_gpio_direction_input(chip, offset);
+ if (ret < 0)
+ goto out;
+ /*
+ * if argument = 1 set the pull down
+ * else clear the pull down
+ * Some chips only support pull down, while some
+ * actually support both pull up and pull down. Such
+ * chips have a "pullud" range specified for the pins
+ * that support both features. If the pin is not
+ * within that range, we fall back to the old bit set
+ * that only support pull down.
+ */
+ if (abx500_pullud_supported(chip, pin))
+ ret = abx500_set_pull_updown(pct,
+ pin,
+ argument ? ABX500_GPIO_PULL_DOWN :
+ ABX500_GPIO_PULL_NONE);
+ else
+ /* Chip only supports pull down */
+ ret = abx500_gpio_set_bits(chip,
+ AB8500_GPIO_PUD1_REG,
+ offset,
+ argument ? ABX500_GPIO_PULL_DOWN :
+ ABX500_GPIO_PULL_NONE);
+ break;
- default:
- dev_err(chip->dev, "illegal configuration requested\n");
- }
+ case PIN_CONFIG_BIAS_PULL_UP:
+ ret = abx500_gpio_direction_input(chip, offset);
+ if (ret < 0)
+ goto out;
+ /*
+ * if argument = 1 set the pull up
+ * else clear the pull up
+ */
+ ret = abx500_gpio_direction_input(chip, offset);
+ /*
+ * Some chips only support pull down, while some
+ * actually support both pull up and pull down. Such
+ * chips have a "pullud" range specified for the pins
+ * that support both features. If the pin is not
+ * within that range, do nothing
+ */
+ if (abx500_pullud_supported(chip, pin))
+ ret = abx500_set_pull_updown(pct,
+ pin,
+ argument ? ABX500_GPIO_PULL_UP :
+ ABX500_GPIO_PULL_NONE);
+ break;
+
+ case PIN_CONFIG_OUTPUT:
+ ret = abx500_gpio_direction_output(chip, offset,
+ argument);
+ break;
+
+ default:
+ dev_err(chip->dev, "illegal configuration requested\n");
+ }
+ } /* for each config */
out:
if (ret < 0)
dev_err(pct->dev, "%s failed (%d)\n", __func__, ret);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 10:24:16 +0000