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authorAndrew Lunn <andrew@lunn.ch>2012-06-27 13:40:04 +0200
committerAndrew Lunn <andrew@lunn.ch>2012-07-27 16:48:14 +0200
commit278b45b06bf721b7cf5de67a0126786c60c720e6 (patch)
tree4e2a3af2527110f9328aebca560cf6c1cef32c1c /arch/arm/mach-orion5x
parent89fb2d77d5daa821e3868ea59963f28249974840 (diff)
downloadlinux-linaro-stable-278b45b06bf721b7cf5de67a0126786c60c720e6.tar.gz
ARM: Orion: DT support for IRQ and GPIO Controllers
Both IRQ and GPIO controllers can now be represented in DT. The IRQ controllers are setup first, and then the GPIO controllers. Interrupts for GPIO lines are placed directly after the main interrupts in the interrupt space. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Josh Coombs <josh.coombs@gmail.com> Tested-by: Simon Baatz <gmbnomis@gmail.com>
Diffstat (limited to 'arch/arm/mach-orion5x')
-rw-r--r--arch/arm/mach-orion5x/irq.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c
index b1b45fff776e..17da7091d310 100644
--- a/arch/arm/mach-orion5x/irq.c
+++ b/arch/arm/mach-orion5x/irq.c
@@ -11,19 +11,16 @@
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/irq.h>
-#include <linux/io.h>
#include <mach/bridge-regs.h>
#include <plat/irq.h>
-#include "common.h"
-static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
-{
- BUG_ON(irq < IRQ_ORION5X_GPIO_0_7 || irq > IRQ_ORION5X_GPIO_24_31);
-
- orion_gpio_irq_handler((irq - IRQ_ORION5X_GPIO_0_7) << 3);
-}
+static int __initdata gpio0_irqs[4] = {
+ IRQ_ORION5X_GPIO_0_7,
+ IRQ_ORION5X_GPIO_8_15,
+ IRQ_ORION5X_GPIO_16_23,
+ IRQ_ORION5X_GPIO_24_31,
+};
void __init orion5x_init_irq(void)
{
@@ -32,9 +29,6 @@ void __init orion5x_init_irq(void)
/*
* Initialize gpiolib for GPIOs 0-31.
*/
- orion_gpio_init(0, 32, GPIO_VIRT_BASE, 0, IRQ_ORION5X_GPIO_START);
- irq_set_chained_handler(IRQ_ORION5X_GPIO_0_7, gpio_irq_handler);
- irq_set_chained_handler(IRQ_ORION5X_GPIO_8_15, gpio_irq_handler);
- irq_set_chained_handler(IRQ_ORION5X_GPIO_16_23, gpio_irq_handler);
- irq_set_chained_handler(IRQ_ORION5X_GPIO_24_31, gpio_irq_handler);
+ orion_gpio_init(NULL, 0, 32, (void __iomem *)GPIO_VIRT_BASE, 0,
+ IRQ_ORION5X_GPIO_START, gpio0_irqs);
}