aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/plat-orion/include/plat/gpio.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-orion/include/plat/gpio.h')
-rw-r--r--arch/arm/plat-orion/include/plat/gpio.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h
new file mode 100644
index 00000000000..54deaf274b5
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/gpio.h
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/plat-orion/include/plat/gpio.h
+ *
+ * Marvell Orion SoC GPIO handling.
+ *
+ * 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 __PLAT_GPIO_H
+#define __PLAT_GPIO_H
+
+/*
+ * GENERIC_GPIO primitives.
+ */
+int gpio_request(unsigned pin, const char *label);
+void gpio_free(unsigned pin);
+int gpio_direction_input(unsigned pin);
+int gpio_direction_output(unsigned pin, int value);
+int gpio_get_value(unsigned pin);
+void gpio_set_value(unsigned pin, int value);
+
+/*
+ * Orion-specific GPIO API extensions.
+ */
+void orion_gpio_set_unused(unsigned pin);
+void orion_gpio_set_valid(unsigned pin, int valid);
+void orion_gpio_set_blink(unsigned pin, int blink);
+
+/*
+ * GPIO interrupt handling.
+ */
+extern struct irq_chip orion_gpio_irq_edge_chip;
+extern struct irq_chip orion_gpio_irq_level_chip;
+void orion_gpio_irq_handler(int irqoff);
+
+
+#endif