ARM: add base support for Marvell Dove SoC
The Marvell Dove (88AP510) is a high-performance, highly integrated,
low power SoC with high-end ARM-compatible processor (known as PJ4),
graphics processing unit, high-definition video decoding acceleration
hardware, and a broad range of peripherals.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
diff --git a/arch/arm/mach-dove/include/mach/gpio.h b/arch/arm/mach-dove/include/mach/gpio.h
new file mode 100644
index 0000000..0ee70ff
--- /dev/null
+++ b/arch/arm/mach-dove/include/mach/gpio.h
@@ -0,0 +1,49 @@
+/*
+ * arch/arm/mach-dove/include/mach/gpio.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#include <asm/errno.h>
+#include <mach/irqs.h>
+#include <plat/gpio.h>
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+#define GPIO_MAX 64
+
+#define GPIO_BASE_LO (DOVE_GPIO_VIRT_BASE + 0x00)
+#define GPIO_BASE_HI (DOVE_GPIO_VIRT_BASE + 0x20)
+
+#define GPIO_BASE(pin) ((pin < 32) ? GPIO_BASE_LO : GPIO_BASE_HI)
+
+#define GPIO_OUT(pin) (GPIO_BASE(pin) + 0x00)
+#define GPIO_IO_CONF(pin) (GPIO_BASE(pin) + 0x04)
+#define GPIO_BLINK_EN(pin) (GPIO_BASE(pin) + 0x08)
+#define GPIO_IN_POL(pin) (GPIO_BASE(pin) + 0x0c)
+#define GPIO_DATA_IN(pin) (GPIO_BASE(pin) + 0x10)
+#define GPIO_EDGE_CAUSE(pin) (GPIO_BASE(pin) + 0x14)
+#define GPIO_EDGE_MASK(pin) (GPIO_BASE(pin) + 0x18)
+#define GPIO_LEVEL_MASK(pin) (GPIO_BASE(pin) + 0x1c)
+
+static inline int gpio_to_irq(int pin)
+{
+ if (pin < NR_GPIO_IRQS)
+ return pin + IRQ_DOVE_GPIO_START;
+
+ return -EINVAL;
+}
+
+static inline int irq_to_gpio(int irq)
+{
+ if (IRQ_DOVE_GPIO_START < irq && irq < NR_IRQS)
+ return irq - IRQ_DOVE_GPIO_START;
+
+ return -EINVAL;
+}
+
+#endif