[ARM] versatile: add PL061 gpiolib support
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index aef63c8..e4971e4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -229,6 +229,7 @@
select ICST307
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
+ select ARCH_WANT_OPTIONAL_GPIOLIB
help
This enables support for ARM Ltd Versatile board.
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 69214fc..92273c9 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -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 @@
.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(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);
diff --git a/arch/arm/mach-versatile/include/mach/gpio.h b/arch/arm/mach-versatile/include/mach/gpio.h
new file mode 100644
index 0000000..94ff276
--- /dev/null
+++ b/arch/arm/mach-versatile/include/mach/gpio.h
@@ -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
diff --git a/arch/arm/mach-versatile/include/mach/irqs.h b/arch/arm/mach-versatile/include/mach/irqs.h
index 9bfdb30..bf44c61 100644
--- a/arch/arm/mach-versatile/include/mach/irqs.h
+++ b/arch/arm/mach-versatile/include/mach/irqs.h
@@ -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)
diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c
index aa051c0..7419451 100644
--- a/arch/arm/mach-versatile/versatile_pb.c
+++ b/arch/arm/mach-versatile/versatile_pb.c
@@ -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 @@
.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(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,