diff options
Diffstat (limited to 'src/soc/mediatek/common/include')
| -rw-r--r-- | src/soc/mediatek/common/include/soc/gpio_common.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/include/soc/gpio_common.h b/src/soc/mediatek/common/include/soc/gpio_common.h index 283cf94561..097c2b9525 100644 --- a/src/soc/mediatek/common/include/soc/gpio_common.h +++ b/src/soc/mediatek/common/include/soc/gpio_common.h @@ -18,10 +18,39 @@ enum pull_select { GPIO_PULL_UP = 1, }; +/* + * GPIO DRIVING + * Special IO(I2C, HDMI...) advanced drive strength: + * GPIO_DRV_ADV_125_UA: 0.125mA + * GPIO_DRV_ADV_250_UA: 0.25mA + * GPIO_DRV_ADV_500_UA: 0.5mA + * GPIO_DRV_ADV_1_MA: 1mA + */ +enum gpio_drv_adv { + GPIO_DRV_ADV_125_UA = 0, + GPIO_DRV_ADV_250_UA = 1, + GPIO_DRV_ADV_500_UA = 2, + GPIO_DRV_ADV_1_MA = 3, +}; + +struct gpio_drv_info { + uint32_t offset; + uint8_t shift; + uint8_t width; +}; + void gpio_set_pull(gpio_t gpio, enum pull_enable enable, enum pull_select select); void gpio_set_mode(gpio_t gpio, int mode); +/* Normal driving function */ +int gpio_set_driving(gpio_t gpio, uint8_t drv); +int gpio_get_driving(gpio_t gpio); + +/* Advanced driving function */ +int gpio_set_driving_adv(gpio_t gpio, enum gpio_drv_adv drv); +int gpio_get_driving_adv(gpio_t gpio); + enum gpio_irq_type { IRQ_TYPE_EDGE_RISING, IRQ_TYPE_EDGE_FALLING, |