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OpenCloudOS-Kernel
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[ARM] versatile: add PL061 gpiolib support 

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2009-07-05 22:43:01 +01:00 committed by Russell King
parent 28d0325ce6
commit bbeddc43e6
5 changed files with 43 additions and 5 deletions
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1
arch/arm/Kconfig
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@ -229,6 +229,7 @@ config ARCH_VERSATILE
select ICST307
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select ARCH_WANT_OPTIONAL_GPIOLIB
help
This enables support for ARM Ltd Versatile board.

15
arch/arm/mach-versatile/core.c
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@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/amba/pl061.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/cnt32_to_63.h>
@ -706,6 +707,16 @@ static struct clcd_board clcd_plat_data = {
.remove = versatile_clcd_remove,
};
static struct pl061_platform_data gpio0_plat_data = {
.gpio_base = 0,
.irq_base = IRQ_GPIO0_START,
};
static struct pl061_platform_data gpio1_plat_data = {
.gpio_base = 8,
.irq_base = IRQ_GPIO1_START,
};
#define AACI_IRQ { IRQ_AACI, NO_IRQ }
#define AACI_DMA { 0x80, 0x81 }
#define MMCI0_IRQ { IRQ_MMCI0A,IRQ_SIC_MMCI0B }
@ -768,8 +779,8 @@ AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data);
AMBA_DEVICE(dmac, "dev:30", DMAC, NULL);
AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL);
AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL);
AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL);
AMBA_DEVICE(gpio0, "dev:e4", GPIO0, &gpio0_plat_data);
AMBA_DEVICE(gpio1, "dev:e5", GPIO1, &gpio1_plat_data);
AMBA_DEVICE(rtc, "dev:e8", RTC, NULL);
AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);

6
arch/arm/mach-versatile/include/mach/gpio.h Normal file
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@ -0,0 +1,6 @@
#include <asm-generic/gpio.h>
#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
#define gpio_to_irq __gpio_to_irq

11
arch/arm/mach-versatile/include/mach/irqs.h
View File

@ -122,4 +122,13 @@
#define IRQ_SIC_PCI3 (IRQ_SIC_START + SIC_INT_PCI3)
#define IRQ_SIC_END 63
#define NR_IRQS 64
#define IRQ_GPIO0_START (IRQ_SIC_END + 1)
#define IRQ_GPIO0_END (IRQ_GPIO0_START + 31)
#define IRQ_GPIO1_START (IRQ_GPIO0_END + 1)
#define IRQ_GPIO1_END (IRQ_GPIO1_START + 31)
#define IRQ_GPIO2_START (IRQ_GPIO1_END + 1)
#define IRQ_GPIO2_END (IRQ_GPIO2_START + 31)
#define IRQ_GPIO3_START (IRQ_GPIO2_END + 1)
#define IRQ_GPIO3_END (IRQ_GPIO3_START + 31)
#define NR_IRQS (IRQ_GPIO3_END + 1)

15
arch/arm/mach-versatile/versatile_pb.c
View File

@ -23,6 +23,7 @@
#include <linux/device.h>
#include <linux/sysdev.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl061.h>
#include <linux/io.h>
#include <mach/hardware.h>
@ -45,6 +46,16 @@ static struct mmc_platform_data mmc1_plat_data = {
.status = mmc_status,
};
static struct pl061_platform_data gpio2_plat_data = {
.gpio_base = 16,
.irq_base = IRQ_GPIO2_START,
};
static struct pl061_platform_data gpio3_plat_data = {
.gpio_base = 24,
.irq_base = IRQ_GPIO3_START,
};
#define UART3_IRQ { IRQ_SIC_UART3, NO_IRQ }
#define UART3_DMA { 0x86, 0x87 }
#define SCI1_IRQ { IRQ_SIC_SCI3, NO_IRQ }
@ -70,8 +81,8 @@ AMBA_DEVICE(sci1, "fpga:0a", SCI1, NULL);
AMBA_DEVICE(mmc1, "fpga:0b", MMCI1, &mmc1_plat_data);
/* DevChip Primecells */
AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL);
AMBA_DEVICE(gpio3, "dev:e7", GPIO3, NULL);
AMBA_DEVICE(gpio2, "dev:e6", GPIO2, &gpio2_plat_data);
AMBA_DEVICE(gpio3, "dev:e7", GPIO3, &gpio3_plat_data);
static struct amba_device *amba_devs[] __initdata = {
&uart3_device,