summaryrefslogtreecommitdiff
path: root/include/linux/pinctrl
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/pinctrl')
-rw-r--r--include/linux/pinctrl/devinfo.h45
-rw-r--r--include/linux/pinctrl/pinconf-generic.h16
-rw-r--r--include/linux/pinctrl/pinctrl.h1
3 files changed, 60 insertions, 2 deletions
diff --git a/include/linux/pinctrl/devinfo.h b/include/linux/pinctrl/devinfo.h
new file mode 100644
index 000000000000..6e5f8a985ea7
--- /dev/null
+++ b/include/linux/pinctrl/devinfo.h
@@ -0,0 +1,45 @@
+/*
+ * Per-device information from the pin control system.
+ * This is the stuff that get included into the device
+ * core.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Written on behalf of Linaro for ST-Ericsson
+ * This interface is used in the core to keep track of pins.
+ *
+ * Author: Linus Walleij <linus.walleij@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef PINCTRL_DEVINFO_H
+#define PINCTRL_DEVINFO_H
+
+#ifdef CONFIG_PINCTRL
+
+/* The device core acts as a consumer toward pinctrl */
+#include <linux/pinctrl/consumer.h>
+
+/**
+ * struct dev_pin_info - pin state container for devices
+ * @p: pinctrl handle for the containing device
+ * @default_state: the default state for the handle, if found
+ */
+struct dev_pin_info {
+ struct pinctrl *p;
+ struct pinctrl_state *default_state;
+};
+
+extern int pinctrl_bind_pins(struct device *dev);
+
+#else
+
+/* Stubs if we're not using pinctrl */
+
+static inline int pinctrl_bind_pins(struct device *dev)
+{
+ return 0;
+}
+
+#endif /* CONFIG_PINCTRL */
+#endif /* PINCTRL_DEVINFO_H */
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 47a1bdd88878..72474e18f1e0 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -46,7 +46,11 @@
* @PIN_CONFIG_DRIVE_OPEN_SOURCE: the pin will be driven with open source
* (open emitter). Sending this config will enabale open drain mode, the
* argument is ignored.
- * @PIN_CONFIG_INPUT_SCHMITT_DISABLE: disable schmitt-trigger mode on the pin.
+ * @PIN_CONFIG_DRIVE_STRENGTH: the pin will output the current passed as
+ * argument. The argument is in mA.
+ * @PIN_CONFIG_INPUT_SCHMITT_ENABLE: control schmitt-trigger mode on the pin.
+ * If the argument != 0, schmitt-trigger mode is enabled. If it's 0,
+ * schmitt-trigger mode is disabled.
* @PIN_CONFIG_INPUT_SCHMITT: this will configure an input pin to run in
* schmitt-trigger mode. If the schmitt-trigger has adjustable hysteresis,
* the threshold value is given on a custom format as argument when
@@ -58,10 +62,15 @@
* @PIN_CONFIG_POWER_SOURCE: if the pin can select between different power
* supplies, the argument to this parameter (on a custom format) tells
* the driver which alternative power source to use.
+ * @PIN_CONFIG_SLEW_RATE: if the pin can select slew rate, the argument to
+ * this parameter (on a custom format) tells the driver which alternative
+ * slew rate to use.
* @PIN_CONFIG_LOW_POWER_MODE: this will configure the pin for low power
* operation, if several modes of operation are supported these can be
* passed in the argument on a custom form, else just use argument 1
* to indicate low power mode, argument 0 turns low power mode off.
+ * @PIN_CONFIG_OUTPUT: this will configure the pin in output, use argument
+ * 1 to indicate high level, argument 0 to indicate low level.
* @PIN_CONFIG_END: this is the last enumerator for pin configurations, if
* you need to pass in custom configurations to the pin controller, use
* PIN_CONFIG_END+1 as the base offset.
@@ -74,11 +83,14 @@ enum pin_config_param {
PIN_CONFIG_DRIVE_PUSH_PULL,
PIN_CONFIG_DRIVE_OPEN_DRAIN,
PIN_CONFIG_DRIVE_OPEN_SOURCE,
- PIN_CONFIG_INPUT_SCHMITT_DISABLE,
+ PIN_CONFIG_DRIVE_STRENGTH,
+ PIN_CONFIG_INPUT_SCHMITT_ENABLE,
PIN_CONFIG_INPUT_SCHMITT,
PIN_CONFIG_INPUT_DEBOUNCE,
PIN_CONFIG_POWER_SOURCE,
+ PIN_CONFIG_SLEW_RATE,
PIN_CONFIG_LOW_POWER_MODE,
+ PIN_CONFIG_OUTPUT,
PIN_CONFIG_END = 0x7FFF,
};
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 04d6700d99af..778804df293f 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -154,6 +154,7 @@ struct pinctrl_dev *of_pinctrl_get(struct device_node *np)
#endif /* CONFIG_OF */
extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev);
+extern const char *pinctrl_dev_get_devname(struct pinctrl_dev *pctldev);
extern void *pinctrl_dev_get_drvdata(struct pinctrl_dev *pctldev);
#else