diff options
Diffstat (limited to 'drivers/gpio/axp_gpio.c')
| -rw-r--r-- | drivers/gpio/axp_gpio.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpio/axp_gpio.c b/drivers/gpio/axp_gpio.c index d04ec221ac..55f20a34b6 100644 --- a/drivers/gpio/axp_gpio.c +++ b/drivers/gpio/axp_gpio.c @@ -9,6 +9,11 @@ #include <common.h> #include <asm/arch/gpio.h> #include <asm/arch/pmic_bus.h> +#include <asm/gpio.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/root.h> #include <errno.h> #ifdef CONFIG_AXP152_POWER @@ -135,13 +140,48 @@ int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val) } } +#ifdef CONFIG_DM_GPIO +static const struct dm_gpio_ops gpio_axp_ops = { + .direction_input = axp_gpio_direction_input, + .direction_output = axp_gpio_direction_output, + .get_value = axp_gpio_get_value, + .set_value = axp_gpio_set_value, +}; + +static int gpio_axp_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); + + /* Tell the uclass how many GPIOs we have */ + uc_priv->bank_name = strdup(SUNXI_GPIO_AXP0_PREFIX); + uc_priv->gpio_count = SUNXI_GPIO_AXP0_GPIO_COUNT; + + return 0; +} + +U_BOOT_DRIVER(gpio_axp) = { + .name = "gpio_axp", + .id = UCLASS_GPIO, + .ops = &gpio_axp_ops, + .probe = gpio_axp_probe, +}; +#endif + int axp_gpio_init(void) { + __maybe_unused struct udevice *dev; int ret; ret = pmic_bus_init(); if (ret) return ret; +#ifdef CONFIG_DM_GPIO + /* There is no devicetree support for the axp yet, so bind directly */ + ret = device_bind_driver(dm_root(), "gpio_axp", "AXP-gpio", &dev); + if (ret) + return ret; +#endif + return 0; } |