Hi Patrick
On 6/4/20 2:30 PM, Patrick Delaunay wrote:
Manage the flags for GPIO configuration:
- open_drain, push_pull
- pull_up, pull_down
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com
Changes in v2: None
drivers/pinctrl/pinctrl-stmfx.c | 37 +++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c index 5d15424b84..88df9e61a7 100644 --- a/drivers/pinctrl/pinctrl-stmfx.c +++ b/drivers/pinctrl/pinctrl-stmfx.c @@ -153,6 +153,42 @@ static int stmfx_gpio_direction_output(struct udevice *dev, return stmfx_write_reg(dev, STMFX_REG_GPIO_DIR, offset, 1); }
+static int stmfx_gpio_set_dir_flags(struct udevice *dev, unsigned int offset,
ulong flags)+{
- int ret = -ENOTSUPP;
- if (flags & GPIOD_IS_OUT) {
if (flags & GPIOD_OPEN_SOURCE)return -ENOTSUPP;if (flags & GPIOD_OPEN_DRAIN)ret = stmfx_conf_set_type(dev, offset, 0);else /* PUSH-PULL */ret = stmfx_conf_set_type(dev, offset, 1);if (ret)return ret;ret = stmfx_gpio_direction_output(dev, offset,GPIOD_FLAGS_OUTPUT(flags));- } else if (flags & GPIOD_IS_IN) {
ret = stmfx_gpio_direction_input(dev, offset);if (ret)return ret;if (flags & GPIOD_PULL_UP) {ret = stmfx_conf_set_type(dev, offset, 1);if (ret)return ret;ret = stmfx_conf_set_pupd(dev, offset, 1);} else if (flags & GPIOD_PULL_DOWN) {ret = stmfx_conf_set_type(dev, offset, 1);if (ret)return ret;ret = stmfx_conf_set_pupd(dev, offset, 0);}- }
- return ret;
+}
static int stmfx_gpio_probe(struct udevice *dev) { struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); @@ -181,6 +217,7 @@ static const struct dm_gpio_ops stmfx_gpio_ops = { .get_function = stmfx_gpio_get_function, .direction_input = stmfx_gpio_direction_input, .direction_output = stmfx_gpio_direction_output,
- .set_dir_flags = stmfx_gpio_set_dir_flags,
};
U_BOOT_DRIVER(stmfx_gpio) = {
Reviewed-by: Patrice Chotard patrice.chotard@st.com
Thanks