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authorShawn Guo <shawn.guo@linaro.org>2011-06-05 20:07:55 +0400
committerGrant Likely <grant.likely@secretlab.ca>2011-06-06 20:01:19 +0400
commitb78d8e59a6f611e229fab8ec3014c58eba975000 (patch)
treeaaf1a09f8b0dd9b8dff8a8625b5f5df3bfcd01aa /arch/arm/mach-imx/mm-imx1.c
parentd37a65bb4663bde7cf3dbc51aec7f264fa4d0ebf (diff)
downloadlinux-b78d8e59a6f611e229fab8ec3014c58eba975000.tar.xz
gpio/mxc: Change gpio-mxc into an upstanding gpio driver
The patch makes necessary changes on gpio-mxc as below to turn it into an upstanding gpio driver. * Add a list to save all mx2 ports references, so that mx2_gpio_irq_handler can walk through all interrupt status registers * Use readl/writel to replace mach-specific accessors __raw_readl/__raw_writel * Change mxc_gpio_init into mxc_gpio_probe function * Move "struct mxc_gpio_port" into gpio-mxc.c, as it needs not to be public at all, and also make some other cleanup on plat-mxc/include/mach/gpio.h at the same time And the patch then migrates mach-imx and mach-mx5 to the updated driver by adding corresponding platform devices. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/mach-imx/mm-imx1.c')
-rw-r--r--arch/arm/mach-imx/mm-imx1.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c
index 2e482ba5a0e7..b486595701b7 100644
--- a/arch/arm/mach-imx/mm-imx1.c
+++ b/arch/arm/mach-imx/mm-imx1.c
@@ -23,7 +23,6 @@
#include <mach/common.h>
#include <mach/hardware.h>
-#include <mach/gpio.h>
#include <mach/irqs.h>
#include <mach/iomux-v1.h>
@@ -44,15 +43,15 @@ void __init imx1_init_early(void)
MX1_NUM_GPIO_PORT);
}
-static struct mxc_gpio_port imx1_gpio_ports[] = {
- DEFINE_IMX_GPIO_PORT_IRQ(MX1, 0, 1, MX1_GPIO_INT_PORTA),
- DEFINE_IMX_GPIO_PORT_IRQ(MX1, 1, 2, MX1_GPIO_INT_PORTB),
- DEFINE_IMX_GPIO_PORT_IRQ(MX1, 2, 3, MX1_GPIO_INT_PORTC),
- DEFINE_IMX_GPIO_PORT_IRQ(MX1, 3, 4, MX1_GPIO_INT_PORTD),
-};
-
void __init mx1_init_irq(void)
{
mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR));
- mxc_gpio_init(imx1_gpio_ports, ARRAY_SIZE(imx1_gpio_ports));
+}
+
+void __init imx1_soc_init(void)
+{
+ mxc_register_gpio(0, MX1_GPIO1_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTA, 0);
+ mxc_register_gpio(1, MX1_GPIO2_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTB, 0);
+ mxc_register_gpio(2, MX1_GPIO3_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTC, 0);
+ mxc_register_gpio(3, MX1_GPIO4_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTD, 0);
}