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pinctrl: u300-pinmux: register proper GPIO ranges

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This register the actual GPIO ranges used by the COH901XXX GPIO
driver.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2011-11-16 10:23:05 +01:00
parent ca402d37dc
commit f812f0f53e
1 changed files with 29 additions and 11 deletions
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40
drivers/pinctrl/pinmux-u300.c
View file

@ -1019,15 +1019,29 @@ static struct pinmux_ops u300_pmx_ops = {
}; };
/* /*
* FIXME: this will be set to sane values as this driver engulfs * GPIO ranges handled by the application-side COH901XXX GPIO controller
* drivers/gpio/gpio-u300.c and we really know this stuff. * Very many pins can be converted into GPIO pins, but we only list those
* that are useful in practice to cut down on tables.
*/ */
static struct pinctrl_gpio_range u300_gpio_range = { #define U300_GPIO_RANGE(a, b, c) { .name = "COH901XXX", .id = a, .base= a, \
.name = "COH901*", .pin_base = b, .npins = c }
.id = 0,
.base = 0, static struct pinctrl_gpio_range u300_gpio_ranges[] = {
.pin_base = 0, U300_GPIO_RANGE(10, 426, 1),
.npins = 64, U300_GPIO_RANGE(11, 180, 1),
U300_GPIO_RANGE(12, 165, 1), /* MS/MMC card insertion */
U300_GPIO_RANGE(13, 179, 1),
U300_GPIO_RANGE(14, 178, 1),
U300_GPIO_RANGE(16, 194, 1),
U300_GPIO_RANGE(17, 193, 1),
U300_GPIO_RANGE(18, 192, 1),
U300_GPIO_RANGE(19, 191, 1),
U300_GPIO_RANGE(20, 186, 1),
U300_GPIO_RANGE(21, 185, 1),
U300_GPIO_RANGE(22, 184, 1),
U300_GPIO_RANGE(23, 183, 1),
U300_GPIO_RANGE(24, 182, 1),
U300_GPIO_RANGE(25, 181, 1),
}; };
static struct pinctrl_desc u300_pmx_desc = { static struct pinctrl_desc u300_pmx_desc = {
@ -1042,9 +1056,10 @@ static struct pinctrl_desc u300_pmx_desc = {
static int __init u300_pmx_probe(struct platform_device *pdev) static int __init u300_pmx_probe(struct platform_device *pdev)
{ {
int ret;
struct u300_pmx *upmx; struct u300_pmx *upmx;
struct resource *res; struct resource *res;
int ret;
int i;
/* Create state holders etc for this driver */ /* Create state holders etc for this driver */
upmx = devm_kzalloc(&pdev->dev, sizeof(*upmx), GFP_KERNEL); upmx = devm_kzalloc(&pdev->dev, sizeof(*upmx), GFP_KERNEL);
@ -1081,7 +1096,8 @@ static int __init u300_pmx_probe(struct platform_device *pdev)
} }
/* We will handle a range of GPIO pins */ /* We will handle a range of GPIO pins */
pinctrl_add_gpio_range(upmx->pctl, &u300_gpio_range); for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++)
pinctrl_add_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);
platform_set_drvdata(pdev, upmx); platform_set_drvdata(pdev, upmx);
@ -1103,8 +1119,10 @@ static int __init u300_pmx_probe(struct platform_device *pdev)
static int __exit u300_pmx_remove(struct platform_device *pdev) static int __exit u300_pmx_remove(struct platform_device *pdev)
{ {
struct u300_pmx *upmx = platform_get_drvdata(pdev); struct u300_pmx *upmx = platform_get_drvdata(pdev);
int i;
pinctrl_remove_gpio_range(upmx->pctl, &u300_gpio_range); for (i = 0; i < ARRAY_SIZE(u300_gpio_ranges); i++)
pinctrl_remove_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);
pinctrl_unregister(upmx->pctl); pinctrl_unregister(upmx->pctl);
iounmap(upmx->virtbase); iounmap(upmx->virtbase);
release_mem_region(upmx->phybase, upmx->physize); release_mem_region(upmx->phybase, upmx->physize);