diff options
Diffstat (limited to 'arch/sandbox/include/asm/gpio.h')
| -rw-r--r-- | arch/sandbox/include/asm/gpio.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/arch/sandbox/include/asm/gpio.h b/arch/sandbox/include/asm/gpio.h index 8317db1..73b42f0 100644 --- a/arch/sandbox/include/asm/gpio.h +++ b/arch/sandbox/include/asm/gpio.h @@ -26,7 +26,8 @@ /** * Return the simulated value of a GPIO (used only in sandbox test code) * - * @param gp GPIO number + * @param dev device to use + * @param offset GPIO offset within bank * @return -1 on error, 0 if GPIO is low, >0 if high */ int sandbox_gpio_get_value(struct udevice *dev, unsigned int offset); @@ -34,25 +35,48 @@ int sandbox_gpio_get_value(struct udevice *dev, unsigned int offset); /** * Set the simulated value of a GPIO (used only in sandbox test code) * - * @param gp GPIO number - * @param value value to set (0 for low, non-zero for high) + * @param dev device to use + * @param offset GPIO offset within bank + * @param value value to set (0 for low, non-zero for high) * @return -1 on error, 0 if ok */ int sandbox_gpio_set_value(struct udevice *dev, unsigned int offset, int value); /** - * Return the simulated direction of a GPIO (used only in sandbox test code) + * Set or reset the simulated open drain mode of a GPIO (used only in sandbox + * test code) + * + * @param gp GPIO number + * @param value value to set (0 for enabled open drain mode, non-zero for + * disabled) + * @return -1 on error, 0 if ok + */ +int sandbox_gpio_set_open_drain(struct udevice *dev, unsigned offset, int value); + +/** + * Return the state of the simulated open drain mode of a GPIO (used only in + * sandbox test code) * * @param gp GPIO number * @return -1 on error, 0 if GPIO is input, >0 if output */ +int sandbox_gpio_get_open_drain(struct udevice *dev, unsigned offset); + +/** + * Return the simulated direction of a GPIO (used only in sandbox test code) + * + * @param dev device to use + * @param offset GPIO offset within bank + * @return -1 on error, 0 if GPIO is input, >0 if output + */ int sandbox_gpio_get_direction(struct udevice *dev, unsigned int offset); /** * Set the simulated direction of a GPIO (used only in sandbox test code) * - * @param gp GPIO number - * @param output 0 to set as input, 1 to set as output + * @param dev device to use + * @param offset GPIO offset within bank + * @param output 0 to set as input, 1 to set as output * @return -1 on error, 0 if ok */ int sandbox_gpio_set_direction(struct udevice *dev, unsigned int offset, |