
On Tue, 19 Mar 2024 at 17:52, Caleb Connolly caleb.connolly@linaro.org wrote:
The .direction_input and .direction_output ops are deprecated, and don't seem to behave properly for us. Implement our own .set_flags op to handle this correctly.
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org
drivers/gpio/msm_gpio.c | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-)
Reviewed-by: Sumit Garg sumit.garg@linaro.org
-Sumit
diff --git a/drivers/gpio/msm_gpio.c b/drivers/gpio/msm_gpio.c index 5e57b0cbde75..f5d9ab54e817 100644 --- a/drivers/gpio/msm_gpio.c +++ b/drivers/gpio/msm_gpio.c @@ -34,21 +34,21 @@ struct msm_gpio_bank {
#define GPIO_IN_OUT_REG(dev, x) \ (GPIO_CONFIG_REG(dev, x) + 0x4)
-static int msm_gpio_direction_input(struct udevice *dev, unsigned int gpio) +static void msm_gpio_direction_input(struct udevice *dev, unsigned int gpio) { struct msm_gpio_bank *priv = dev_get_priv(dev);
/* Always NOP for special pins, assume they're in the correct state */ if (qcom_is_special_pin(priv->pin_data, gpio))
return 0;
return; /* Disable OE bit */ clrsetbits_le32(priv->base + GPIO_CONFIG_REG(dev, gpio), GPIO_OE_MASK, GPIO_OE_DISABLE);
return 0;
return;
}
static int msm_gpio_set_value(struct udevice *dev, unsigned int gpio, int value) { @@ -83,8 +83,25 @@ static int msm_gpio_direction_output(struct udevice *dev, unsigned int gpio,
return 0;
}
+static int msm_gpio_set_flags(struct udevice *dev, unsigned int gpio, ulong flags) +{
if (flags & GPIOD_IS_OUT_ACTIVE) {
return msm_gpio_direction_output(dev, gpio, 1);
} else if (flags & GPIOD_IS_OUT) {
return msm_gpio_direction_output(dev, gpio, 0);
} else if (flags & GPIOD_IS_IN) {
msm_gpio_direction_input(dev, gpio);
if (flags & GPIOD_PULL_UP)
return msm_gpio_set_value(dev, gpio, 1);
else if (flags & GPIOD_PULL_DOWN)
return msm_gpio_set_value(dev, gpio, 0);
}
return 0;
+}
static int msm_gpio_get_value(struct udevice *dev, unsigned int gpio) { struct msm_gpio_bank *priv = dev_get_priv(dev);
@@ -109,12 +126,10 @@ static int msm_gpio_get_function(struct udevice *dev, unsigned int gpio) return GPIOF_INPUT; }
static const struct dm_gpio_ops gpio_msm_ops = {
.direction_input = msm_gpio_direction_input,
.direction_output = msm_gpio_direction_output,
.set_flags = msm_gpio_set_flags, .get_value = msm_gpio_get_value,
.set_value = msm_gpio_set_value, .get_function = msm_gpio_get_function,
};
static int msm_gpio_probe(struct udevice *dev)
-- 2.44.0