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Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/at91_gpio.c3
-rw-r--r--drivers/gpio/gpio-uclass.c30
-rw-r--r--drivers/gpio/sandbox.c36
-rw-r--r--drivers/gpio/spear_gpio.c5
4 files changed, 39 insertions, 35 deletions
diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c
index 0b70071..6517af1 100644
--- a/drivers/gpio/at91_gpio.c
+++ b/drivers/gpio/at91_gpio.c
@@ -34,6 +34,7 @@ static struct at91_port *at91_pio_get_port(unsigned port)
#endif
#endif
default:
+ printf("Error: at91_gpio: Fail to get PIO base!\n");
return NULL;
}
}
@@ -200,7 +201,7 @@ int at91_set_pio_output(unsigned port, u32 pin, int value)
struct at91_port *at91_port = at91_pio_get_port(port);
u32 mask;
- if ((port < ATMEL_PIO_PORTS) && (pin < 32)) {
+ if (at91_port && (port < ATMEL_PIO_PORTS) && (pin < 32)) {
mask = 1 << pin;
writel(mask, &at91_port->idr);
writel(mask, &at91_port->pudr);
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 56bfd11..f1bbc58 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -17,11 +17,11 @@
* or GPIO blocks registered with the GPIO controller. Returns
* entry on success, NULL on error.
*/
-static int gpio_to_device(unsigned int gpio, struct device **devp,
+static int gpio_to_device(unsigned int gpio, struct udevice **devp,
unsigned int *offset)
{
struct gpio_dev_priv *uc_priv;
- struct device *dev;
+ struct udevice *dev;
int ret;
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
@@ -40,11 +40,11 @@ static int gpio_to_device(unsigned int gpio, struct device **devp,
return ret ? ret : -EINVAL;
}
-int gpio_lookup_name(const char *name, struct device **devp,
+int gpio_lookup_name(const char *name, struct udevice **devp,
unsigned int *offsetp, unsigned int *gpiop)
{
struct gpio_dev_priv *uc_priv;
- struct device *dev;
+ struct udevice *dev;
int ret;
if (devp)
@@ -58,7 +58,7 @@ int gpio_lookup_name(const char *name, struct device **devp,
uc_priv = dev->uclass_priv;
len = uc_priv->bank_name ? strlen(uc_priv->bank_name) : 0;
- if (!strncmp(name, uc_priv->bank_name, len)) {
+ if (!strncasecmp(name, uc_priv->bank_name, len)) {
if (strict_strtoul(name + len, 10, &offset))
continue;
if (devp)
@@ -86,7 +86,7 @@ int gpio_lookup_name(const char *name, struct device **devp,
int gpio_request(unsigned gpio, const char *label)
{
unsigned int offset;
- struct device *dev;
+ struct udevice *dev;
int ret;
ret = gpio_to_device(gpio, &dev, &offset);
@@ -110,7 +110,7 @@ int gpio_request(unsigned gpio, const char *label)
int gpio_free(unsigned gpio)
{
unsigned int offset;
- struct device *dev;
+ struct udevice *dev;
int ret;
ret = gpio_to_device(gpio, &dev, &offset);
@@ -133,7 +133,7 @@ int gpio_free(unsigned gpio)
int gpio_direction_input(unsigned gpio)
{
unsigned int offset;
- struct device *dev;
+ struct udevice *dev;
int ret;
ret = gpio_to_device(gpio, &dev, &offset);
@@ -155,7 +155,7 @@ int gpio_direction_input(unsigned gpio)
int gpio_direction_output(unsigned gpio, int value)
{
unsigned int offset;
- struct device *dev;
+ struct udevice *dev;
int ret;
ret = gpio_to_device(gpio, &dev, &offset);
@@ -177,7 +177,7 @@ int gpio_direction_output(unsigned gpio, int value)
int gpio_get_value(unsigned gpio)
{
unsigned int offset;
- struct device *dev;
+ struct udevice *dev;
int ret;
ret = gpio_to_device(gpio, &dev, &offset);
@@ -199,7 +199,7 @@ int gpio_get_value(unsigned gpio)
int gpio_set_value(unsigned gpio, int value)
{
unsigned int offset;
- struct device *dev;
+ struct udevice *dev;
int ret;
ret = gpio_to_device(gpio, &dev, &offset);
@@ -209,7 +209,7 @@ int gpio_set_value(unsigned gpio, int value)
return gpio_get_ops(dev)->set_value(dev, offset, value);
}
-const char *gpio_get_bank_info(struct device *dev, int *bit_count)
+const char *gpio_get_bank_info(struct udevice *dev, int *bit_count)
{
struct gpio_dev_priv *priv;
@@ -225,7 +225,7 @@ const char *gpio_get_bank_info(struct device *dev, int *bit_count)
static int gpio_renumber(void)
{
struct gpio_dev_priv *uc_priv;
- struct device *dev;
+ struct udevice *dev;
struct uclass *uc;
unsigned base;
int ret;
@@ -247,12 +247,12 @@ static int gpio_renumber(void)
return 0;
}
-static int gpio_post_probe(struct device *dev)
+static int gpio_post_probe(struct udevice *dev)
{
return gpio_renumber();
}
-static int gpio_pre_remove(struct device *dev)
+static int gpio_pre_remove(struct udevice *dev)
{
return gpio_renumber();
}
diff --git a/drivers/gpio/sandbox.c b/drivers/gpio/sandbox.c
index 22b6a5f..75ada5d 100644
--- a/drivers/gpio/sandbox.c
+++ b/drivers/gpio/sandbox.c
@@ -22,7 +22,7 @@ struct gpio_state {
};
/* Access routines for GPIO state */
-static u8 *get_gpio_flags(struct device *dev, unsigned offset)
+static u8 *get_gpio_flags(struct udevice *dev, unsigned offset)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_state *state = dev_get_priv(dev);
@@ -36,12 +36,12 @@ static u8 *get_gpio_flags(struct device *dev, unsigned offset)
return &state[offset].flags;
}
-static int get_gpio_flag(struct device *dev, unsigned offset, int flag)
+static int get_gpio_flag(struct udevice *dev, unsigned offset, int flag)
{
return (*get_gpio_flags(dev, offset) & flag) != 0;
}
-static int set_gpio_flag(struct device *dev, unsigned offset, int flag,
+static int set_gpio_flag(struct udevice *dev, unsigned offset, int flag,
int value)
{
u8 *gpio = get_gpio_flags(dev, offset);
@@ -54,7 +54,7 @@ static int set_gpio_flag(struct device *dev, unsigned offset, int flag,
return 0;
}
-static int check_reserved(struct device *dev, unsigned offset,
+static int check_reserved(struct udevice *dev, unsigned offset,
const char *func)
{
if (!get_gpio_flag(dev, offset, GPIOF_RESERVED)) {
@@ -70,24 +70,24 @@ static int check_reserved(struct device *dev, unsigned offset,
* Back-channel sandbox-internal-only access to GPIO state
*/
-int sandbox_gpio_get_value(struct device *dev, unsigned offset)
+int sandbox_gpio_get_value(struct udevice *dev, unsigned offset)
{
if (get_gpio_flag(dev, offset, GPIOF_OUTPUT))
debug("sandbox_gpio: get_value on output gpio %u\n", offset);
return get_gpio_flag(dev, offset, GPIOF_HIGH);
}
-int sandbox_gpio_set_value(struct device *dev, unsigned offset, int value)
+int sandbox_gpio_set_value(struct udevice *dev, unsigned offset, int value)
{
return set_gpio_flag(dev, offset, GPIOF_HIGH, value);
}
-int sandbox_gpio_get_direction(struct device *dev, unsigned offset)
+int sandbox_gpio_get_direction(struct udevice *dev, unsigned offset)
{
return get_gpio_flag(dev, offset, GPIOF_OUTPUT);
}
-int sandbox_gpio_set_direction(struct device *dev, unsigned offset, int output)
+int sandbox_gpio_set_direction(struct udevice *dev, unsigned offset, int output)
{
return set_gpio_flag(dev, offset, GPIOF_OUTPUT, output);
}
@@ -97,7 +97,7 @@ int sandbox_gpio_set_direction(struct device *dev, unsigned offset, int output)
*/
/* set GPIO port 'offset' as an input */
-static int sb_gpio_direction_input(struct device *dev, unsigned offset)
+static int sb_gpio_direction_input(struct udevice *dev, unsigned offset)
{
debug("%s: offset:%u\n", __func__, offset);
@@ -108,7 +108,7 @@ static int sb_gpio_direction_input(struct device *dev, unsigned offset)
}
/* set GPIO port 'offset' as an output, with polarity 'value' */
-static int sb_gpio_direction_output(struct device *dev, unsigned offset,
+static int sb_gpio_direction_output(struct udevice *dev, unsigned offset,
int value)
{
debug("%s: offset:%u, value = %d\n", __func__, offset, value);
@@ -121,7 +121,7 @@ static int sb_gpio_direction_output(struct device *dev, unsigned offset,
}
/* read GPIO IN value of port 'offset' */
-static int sb_gpio_get_value(struct device *dev, unsigned offset)
+static int sb_gpio_get_value(struct udevice *dev, unsigned offset)
{
debug("%s: offset:%u\n", __func__, offset);
@@ -132,7 +132,7 @@ static int sb_gpio_get_value(struct device *dev, unsigned offset)
}
/* write GPIO OUT value to port 'offset' */
-static int sb_gpio_set_value(struct device *dev, unsigned offset, int value)
+static int sb_gpio_set_value(struct udevice *dev, unsigned offset, int value)
{
debug("%s: offset:%u, value = %d\n", __func__, offset, value);
@@ -148,7 +148,7 @@ static int sb_gpio_set_value(struct device *dev, unsigned offset, int value)
return sandbox_gpio_set_value(dev, offset, value);
}
-static int sb_gpio_request(struct device *dev, unsigned offset,
+static int sb_gpio_request(struct udevice *dev, unsigned offset,
const char *label)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
@@ -171,7 +171,7 @@ static int sb_gpio_request(struct device *dev, unsigned offset,
return set_gpio_flag(dev, offset, GPIOF_RESERVED, 1);
}
-static int sb_gpio_free(struct device *dev, unsigned offset)
+static int sb_gpio_free(struct udevice *dev, unsigned offset)
{
struct gpio_state *state = dev_get_priv(dev);
@@ -184,7 +184,7 @@ static int sb_gpio_free(struct device *dev, unsigned offset)
return set_gpio_flag(dev, offset, GPIOF_RESERVED, 0);
}
-static int sb_gpio_get_state(struct device *dev, unsigned int offset,
+static int sb_gpio_get_state(struct udevice *dev, unsigned int offset,
char *buf, int bufsize)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
@@ -213,7 +213,7 @@ static const struct dm_gpio_ops gpio_sandbox_ops = {
.get_state = sb_gpio_get_state,
};
-static int sandbox_gpio_ofdata_to_platdata(struct device *dev)
+static int sandbox_gpio_ofdata_to_platdata(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
@@ -225,7 +225,7 @@ static int sandbox_gpio_ofdata_to_platdata(struct device *dev)
return 0;
}
-static int gpio_sandbox_probe(struct device *dev)
+static int gpio_sandbox_probe(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
@@ -239,7 +239,7 @@ static int gpio_sandbox_probe(struct device *dev)
return 0;
}
-static const struct device_id sandbox_gpio_ids[] = {
+static const struct udevice_id sandbox_gpio_ids[] = {
{ .compatible = "sandbox,gpio" },
{ }
};
diff --git a/drivers/gpio/spear_gpio.c b/drivers/gpio/spear_gpio.c
index 367b670..6fb4117 100644
--- a/drivers/gpio/spear_gpio.c
+++ b/drivers/gpio/spear_gpio.c
@@ -36,7 +36,10 @@ int gpio_set_value(unsigned gpio, int value)
{
struct gpio_regs *regs = (struct gpio_regs *)CONFIG_GPIO_BASE;
- writel(1 << gpio, &regs->gpiodata[DATA_REG_ADDR(gpio)]);
+ if (value)
+ writel(1 << gpio, &regs->gpiodata[DATA_REG_ADDR(gpio)]);
+ else
+ writel(0, &regs->gpiodata[DATA_REG_ADDR(gpio)]);
return 0;
}
generated by cgit v1.1 at 2024-12-25 03:47:52 +0000