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ARM: plat-iop: pass physical base for GPIO

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This alters the IOP platforms to pass a physical base for their
GPIO blocks and alters the driver to remap it when probing
instead of relying on the virtual addresses to be used.

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Mikael Pettersson <mikpe@it.uu.se>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-09-09 16:59:54 +02:00
parent e3f94b3857
commit e34ca9de0b
4 changed files with 4 additions and 4 deletions
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2
arch/arm/mach-iop32x/gpio-iop32x.h
View File

@ -1,5 +1,5 @@
static struct resource iop32x_gpio_res[] = { static struct resource iop32x_gpio_res[] = {
DEFINE_RES_MEM((IOP3XX_PERIPHERAL_VIRT_BASE + 0x07c4), 0x10), DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10),
}; };
static inline void register_iop32x_gpio(void) static inline void register_iop32x_gpio(void)

2
arch/arm/mach-iop33x/iq80331.c
View File

@ -123,7 +123,7 @@ static struct platform_device iq80331_flash_device = {
}; };
static struct resource iq80331_gpio_res[] = { static struct resource iq80331_gpio_res[] = {
DEFINE_RES_MEM((IOP3XX_PERIPHERAL_VIRT_BASE + 0x1780), 0x10), DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10),
}; };
static void __init iq80331_init_machine(void) static void __init iq80331_init_machine(void)

2
arch/arm/mach-iop33x/iq80332.c
View File

@ -123,7 +123,7 @@ static struct platform_device iq80332_flash_device = {
}; };
static struct resource iq80332_gpio_res[] = { static struct resource iq80332_gpio_res[] = {
DEFINE_RES_MEM((IOP3XX_PERIPHERAL_VIRT_BASE + 0x1780), 0x10), DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10),
}; };
static void __init iq80332_init_machine(void) static void __init iq80332_init_machine(void)

2
drivers/gpio/gpio-iop.c
View File

@ -110,7 +110,7 @@ static int iop3xx_gpio_probe(struct platform_device *pdev)
struct resource *res; struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = (void *) res->start; base = devm_ioremap_resource(&pdev->dev, res);
return gpiochip_add(&iop3xx_chip); return gpiochip_add(&iop3xx_chip);
} }