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pinctrl: u300-pinmux: register proper GPIO ranges 

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
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@ -1019,15 +1019,29 @@ static struct pinmux_ops u300_pmx_ops = {
};
/*
* FIXME: this will be set to sane values as this driver engulfs
* drivers/gpio/gpio-u300.c and we really know this stuff.
* GPIO ranges handled by the application-side COH901XXX GPIO controller
* 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 = {
.name = "COH901*",
.id = 0,
.base = 0,
.pin_base = 0,
.npins = 64,
#define U300_GPIO_RANGE(a, b, c) { .name = "COH901XXX", .id = a, .base= a, \
.pin_base = b, .npins = c }
static struct pinctrl_gpio_range u300_gpio_ranges[] = {
U300_GPIO_RANGE(10, 426, 1),
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 = {
@ -1042,9 +1056,10 @@ static struct pinctrl_desc u300_pmx_desc = {
static int __init u300_pmx_probe(struct platform_device *pdev)
{
int ret;
struct u300_pmx *upmx;
struct resource *res;
int ret;
int i;
/* Create state holders etc for this driver */
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 */
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);
@ -1103,8 +1119,10 @@ out_no_resource:
static int __exit u300_pmx_remove(struct platform_device *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);
iounmap(upmx->virtbase);
release_mem_region(upmx->phybase, upmx->physize);