aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpio/xilinx_gpio.c
diff options
context:
space:
mode:
authorSimon Glass <sjg@chromium.org>2020-12-03 16:55:18 -0700
committerSimon Glass <sjg@chromium.org>2020-12-13 16:51:08 -0700
commitcaa4daa2ae3dc0a3e516addea5772c9af76abcb0 (patch)
tree0abbc5b538894532f4db28d56e4645d3be230d27 /drivers/gpio/xilinx_gpio.c
parent41575d8e4c334df148c4cdd7c40cc825dc0fcaa1 (diff)
downloadu-boot-caa4daa2ae3dc0a3e516addea5772c9af76abcb0.zip
u-boot-caa4daa2ae3dc0a3e516addea5772c9af76abcb0.tar.gz
u-boot-caa4daa2ae3dc0a3e516addea5772c9af76abcb0.tar.bz2
dm: treewide: Rename 'platdata' variables to just 'plat'
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/gpio/xilinx_gpio.c')
-rw-r--r--drivers/gpio/xilinx_gpio.c92
1 files changed, 44 insertions, 48 deletions
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c
index 1bb70b1..6de08e1 100644
--- a/drivers/gpio/xilinx_gpio.c
+++ b/drivers/gpio/xilinx_gpio.c
@@ -36,13 +36,13 @@ struct xilinx_gpio_privdata {
static int xilinx_gpio_get_bank_pin(unsigned offset, u32 *bank_num,
u32 *bank_pin_num, struct udevice *dev)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
u32 bank, max_pins;
/* the first gpio is 0 not 1 */
u32 pin_num = offset;
for (bank = 0; bank < XILINX_GPIO_MAX_BANK; bank++) {
- max_pins = platdata->bank_max[bank];
+ max_pins = plat->bank_max[bank];
if (pin_num < max_pins) {
debug("%s: found at bank 0x%x pin 0x%x\n", __func__,
bank, pin_num);
@@ -59,7 +59,7 @@ static int xilinx_gpio_get_bank_pin(unsigned offset, u32 *bank_num,
static int xilinx_gpio_set_value(struct udevice *dev, unsigned offset,
int value)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
struct xilinx_gpio_privdata *priv = dev_get_priv(dev);
int val, ret;
u32 bank, pin;
@@ -71,14 +71,14 @@ static int xilinx_gpio_set_value(struct udevice *dev, unsigned offset,
val = priv->output_val[bank];
debug("%s: regs: %lx, value: %x, gpio: %x, bank %x, pin %x, out %x\n",
- __func__, (ulong)platdata->regs, value, offset, bank, pin, val);
+ __func__, (ulong)plat->regs, value, offset, bank, pin, val);
if (value)
val = val | (1 << pin);
else
val = val & ~(1 << pin);
- writel(val, &platdata->regs->gpiodata + bank * 2);
+ writel(val, &plat->regs->gpiodata + bank * 2);
priv->output_val[bank] = val;
@@ -87,7 +87,7 @@ static int xilinx_gpio_set_value(struct udevice *dev, unsigned offset,
static int xilinx_gpio_get_value(struct udevice *dev, unsigned offset)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
struct xilinx_gpio_privdata *priv = dev_get_priv(dev);
int val, ret;
u32 bank, pin;
@@ -97,14 +97,14 @@ static int xilinx_gpio_get_value(struct udevice *dev, unsigned offset)
return ret;
debug("%s: regs: %lx, gpio: %x, bank %x, pin %x\n", __func__,
- (ulong)platdata->regs, offset, bank, pin);
+ (ulong)plat->regs, offset, bank, pin);
- if (platdata->bank_output[bank]) {
+ if (plat->bank_output[bank]) {
debug("%s: Read saved output value\n", __func__);
val = priv->output_val[bank];
} else {
debug("%s: Read input value from reg\n", __func__);
- val = readl(&platdata->regs->gpiodata + bank * 2);
+ val = readl(&plat->regs->gpiodata + bank * 2);
}
val = !!(val & (1 << pin));
@@ -114,7 +114,7 @@ static int xilinx_gpio_get_value(struct udevice *dev, unsigned offset)
static int xilinx_gpio_get_function(struct udevice *dev, unsigned offset)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
int val, ret;
u32 bank, pin;
@@ -123,15 +123,15 @@ static int xilinx_gpio_get_function(struct udevice *dev, unsigned offset)
return ret;
/* Check if all pins are inputs */
- if (platdata->bank_input[bank])
+ if (plat->bank_input[bank])
return GPIOF_INPUT;
/* Check if all pins are outputs */
- if (platdata->bank_output[bank])
+ if (plat->bank_output[bank])
return GPIOF_OUTPUT;
/* FIXME test on dual */
- val = readl(&platdata->regs->gpiodir + bank * 2);
+ val = readl(&plat->regs->gpiodir + bank * 2);
val = !(val & (1 << pin));
/* input is 1 in reg but GPIOF_INPUT is 0 */
@@ -143,7 +143,7 @@ static int xilinx_gpio_get_function(struct udevice *dev, unsigned offset)
static int xilinx_gpio_direction_output(struct udevice *dev, unsigned offset,
int value)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
int val, ret;
u32 bank, pin;
@@ -152,15 +152,15 @@ static int xilinx_gpio_direction_output(struct udevice *dev, unsigned offset,
return ret;
/* can't change it if all is input by default */
- if (platdata->bank_input[bank])
+ if (plat->bank_input[bank])
return -EINVAL;
xilinx_gpio_set_value(dev, offset, value);
- if (!platdata->bank_output[bank]) {
- val = readl(&platdata->regs->gpiodir + bank * 2);
+ if (!plat->bank_output[bank]) {
+ val = readl(&plat->regs->gpiodir + bank * 2);
val = val & ~(1 << pin);
- writel(val, &platdata->regs->gpiodir + bank * 2);
+ writel(val, &plat->regs->gpiodir + bank * 2);
}
return 0;
@@ -168,7 +168,7 @@ static int xilinx_gpio_direction_output(struct udevice *dev, unsigned offset,
static int xilinx_gpio_direction_input(struct udevice *dev, unsigned offset)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
int val, ret;
u32 bank, pin;
@@ -177,16 +177,16 @@ static int xilinx_gpio_direction_input(struct udevice *dev, unsigned offset)
return ret;
/* Already input */
- if (platdata->bank_input[bank])
+ if (plat->bank_input[bank])
return 0;
/* can't change it if all is output by default */
- if (platdata->bank_output[bank])
+ if (plat->bank_output[bank])
return -EINVAL;
- val = readl(&platdata->regs->gpiodir + bank * 2);
+ val = readl(&plat->regs->gpiodir + bank * 2);
val = val | (1 << pin);
- writel(val, &platdata->regs->gpiodir + bank * 2);
+ writel(val, &plat->regs->gpiodir + bank * 2);
return 0;
}
@@ -194,7 +194,7 @@ static int xilinx_gpio_direction_input(struct udevice *dev, unsigned offset)
static int xilinx_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
struct ofnode_phandle_args *args)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
desc->offset = args->args[0];
@@ -209,13 +209,13 @@ static int xilinx_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
* add amount of pins in second channel if present.
*/
if (args->args[1]) {
- if (!platdata->bank_max[1]) {
+ if (!plat->bank_max[1]) {
printf("%s: %s has no second channel\n",
__func__, dev->name);
return -EINVAL;
}
- desc->offset += platdata->bank_max[0];
+ desc->offset += plat->bank_max[0];
}
/* The third cell is optional */
@@ -239,7 +239,7 @@ static const struct dm_gpio_ops xilinx_gpio_ops = {
static int xilinx_gpio_probe(struct udevice *dev)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
struct xilinx_gpio_privdata *priv = dev_get_priv(dev);
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
const void *label_ptr;
@@ -253,42 +253,38 @@ static int xilinx_gpio_probe(struct udevice *dev)
uc_priv->bank_name = dev->name;
}
- uc_priv->gpio_count = platdata->bank_max[0] + platdata->bank_max[1];
+ uc_priv->gpio_count = plat->bank_max[0] + plat->bank_max[1];
- priv->output_val[0] = platdata->dout_default[0];
+ priv->output_val[0] = plat->dout_default[0];
- if (platdata->bank_max[1])
- priv->output_val[1] = platdata->dout_default[1];
+ if (plat->bank_max[1])
+ priv->output_val[1] = plat->dout_default[1];
return 0;
}
static int xilinx_gpio_ofdata_to_platdata(struct udevice *dev)
{
- struct xilinx_gpio_platdata *platdata = dev_get_platdata(dev);
+ struct xilinx_gpio_platdata *plat = dev_get_platdata(dev);
int is_dual;
- platdata->regs = (struct gpio_regs *)dev_read_addr(dev);
+ plat->regs = (struct gpio_regs *)dev_read_addr(dev);
- platdata->bank_max[0] = dev_read_u32_default(dev,
- "xlnx,gpio-width", 0);
- platdata->bank_input[0] = dev_read_u32_default(dev,
- "xlnx,all-inputs", 0);
- platdata->bank_output[0] = dev_read_u32_default(dev,
- "xlnx,all-outputs", 0);
- platdata->dout_default[0] = dev_read_u32_default(dev,
- "xlnx,dout-default",
- 0);
+ plat->bank_max[0] = dev_read_u32_default(dev, "xlnx,gpio-width", 0);
+ plat->bank_input[0] = dev_read_u32_default(dev, "xlnx,all-inputs", 0);
+ plat->bank_output[0] = dev_read_u32_default(dev, "xlnx,all-outputs", 0);
+ plat->dout_default[0] = dev_read_u32_default(dev, "xlnx,dout-default",
+ 0);
is_dual = dev_read_u32_default(dev, "xlnx,is-dual", 0);
if (is_dual) {
- platdata->bank_max[1] = dev_read_u32_default(dev,
- "xlnx,gpio2-width", 0);
- platdata->bank_input[1] = dev_read_u32_default(dev,
+ plat->bank_max[1] = dev_read_u32_default(dev,
+ "xlnx,gpio2-width", 0);
+ plat->bank_input[1] = dev_read_u32_default(dev,
"xlnx,all-inputs-2", 0);
- platdata->bank_output[1] = dev_read_u32_default(dev,
+ plat->bank_output[1] = dev_read_u32_default(dev,
"xlnx,all-outputs-2", 0);
- platdata->dout_default[1] = dev_read_u32_default(dev,
+ plat->dout_default[1] = dev_read_u32_default(dev,
"xlnx,dout-default-2", 0);
}
@@ -307,6 +303,6 @@ U_BOOT_DRIVER(xilinx_gpio) = {
.of_match = xilinx_gpio_ids,
.ofdata_to_platdata = xilinx_gpio_ofdata_to_platdata,
.probe = xilinx_gpio_probe,
- .platdata_auto = sizeof(struct xilinx_gpio_platdata),
+ .plat_auto = sizeof(struct xilinx_gpio_platdata),
.priv_auto = sizeof(struct xilinx_gpio_privdata),
};