diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-04 14:01:02 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-04 14:01:02 +0100 |
| commit | c09c9dd2e9c732658c744a802101d5c34fedde22 (patch) | |
| tree | 89f930ede811e66e7a70761aaca079d779fed38a /include/dt-bindings/gpio/gpio.h | |
| parent | 727ae8be30b428082d3519817f4fb98b712d457d (diff) | |
| parent | 06bf403de344a8a0811ebd24992d2a08022c5225 (diff) | |
Merge branches 'acpi-pci' and 'pm-pci'
* acpi-pci:
x86/PCI/ACPI: Fix regression caused by commit 4d6b4e69a245
* pm-pci:
PCI / PM: Tune down retryable runtime suspend error messages
Diffstat (limited to 'include/dt-bindings/gpio/gpio.h')
| -rw-r--r-- | include/dt-bindings/gpio/gpio.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h index e6b1e0a808ae..c673d2c87c60 100644 --- a/include/dt-bindings/gpio/gpio.h +++ b/include/dt-bindings/gpio/gpio.h @@ -9,7 +9,19 @@ #ifndef _DT_BINDINGS_GPIO_GPIO_H #define _DT_BINDINGS_GPIO_GPIO_H +/* Bit 0 express polarity */ #define GPIO_ACTIVE_HIGH 0 #define GPIO_ACTIVE_LOW 1 +/* Bit 1 express single-endedness */ +#define GPIO_PUSH_PULL 0 +#define GPIO_SINGLE_ENDED 2 + +/* + * Open Drain/Collector is the combination of single-ended active low, + * Open Source/Emitter is the combination of single-ended active high. + */ +#define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_ACTIVE_LOW) +#define GPIO_OPEN_SOURCE (GPIO_SINGLE_ENDED | GPIO_ACTIVE_HIGH) + #endif |