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authorH Hartley Sweeten <hartleys@visionengravers.com>2011-06-09 01:35:33 +0400
committerGrant Likely <grant.likely@secretlab.ca>2011-06-09 02:11:57 +0400
commit1e4c88420e0da3c855c17770a807cabd5b16dd7a (patch)
tree3dcfcb15d07801b12cc89ccd131ed4cda337f703 /arch/arm/mach-ep93xx
parent6dd599f8af0166805951f4421a78ba716d78321a (diff)
downloadlinux-1e4c88420e0da3c855c17770a807cabd5b16dd7a.tar.xz
gpio/ep93xx: convert to platform_driver and use basic_mmio_gpio library
This converts the gpio-ep93xx driver into a platform_driver and uses the basic_mmio_gpio library. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/mach-ep93xx')
-rw-r--r--arch/arm/mach-ep93xx/core.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 82079545adc4..a6b3fb208775 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -174,14 +174,10 @@ struct sys_timer ep93xx_timer = {
/*************************************************************************
* EP93xx IRQ handling
*************************************************************************/
-extern void ep93xx_gpio_init_irq(void);
-
void __init ep93xx_init_irq(void)
{
vic_init(EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK, 0);
vic_init(EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK, 0);
-
- ep93xx_gpio_init_irq();
}
@@ -241,6 +237,24 @@ unsigned int ep93xx_chip_revision(void)
}
/*************************************************************************
+ * EP93xx GPIO
+ *************************************************************************/
+static struct resource ep93xx_gpio_resource[] = {
+ {
+ .start = EP93XX_GPIO_PHYS_BASE,
+ .end = EP93XX_GPIO_PHYS_BASE + 0xcc - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ep93xx_gpio_device = {
+ .name = "gpio-ep93xx",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ep93xx_gpio_resource),
+ .resource = ep93xx_gpio_resource,
+};
+
+/*************************************************************************
* EP93xx peripheral handling
*************************************************************************/
#define EP93XX_UART_MCR_OFFSET (0x0100)
@@ -866,14 +880,13 @@ void __init ep93xx_register_ac97(void)
platform_device_register(&ep93xx_pcm_device);
}
-extern void ep93xx_gpio_init(void);
-
void __init ep93xx_init_devices(void)
{
/* Disallow access to MaverickCrunch initially */
ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_CPENA);
- ep93xx_gpio_init();
+ /* Get the GPIO working early, other devices need it */
+ platform_device_register(&ep93xx_gpio_device);
amba_device_register(&uart1_device, &iomem_resource);
amba_device_register(&uart2_device, &iomem_resource);