-obj-y += common.o addr-map.o pci.o gpio.o irq.o mpp.o
+obj-y += common.o addr-map.o pci.o irq.o mpp.o
obj-$(CONFIG_MACH_DB88F5281) += db88f5281-setup.o
obj-$(CONFIG_MACH_RD88F5182) += rd88f5182-setup.o
obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o
struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys);
int orion5x_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin);
-/*
- * Valid GPIO pins according to MPP setup, used by machine-setup.
- * (/mach-orion/gpio.c).
- */
-void orion5x_gpio_set_valid(unsigned pin, int valid);
-void gpio_display(void); /* debug */
-
struct machine_desc;
struct meminfo;
struct tag;
+++ /dev/null
-/*
- * arch/arm/mach-orion5x/gpio.c
- *
- * GPIO functions for Marvell Orion System On Chip
- *
- * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/bitops.h>
-#include <linux/io.h>
-#include <asm/gpio.h>
-#include <mach/orion5x.h>
-#include "common.h"
-
-static DEFINE_SPINLOCK(gpio_lock);
-static unsigned long gpio_valid[BITS_TO_LONGS(GPIO_MAX)];
-static const char *gpio_label[GPIO_MAX]; /* non null for allocated GPIOs */
-
-void __init orion5x_gpio_set_valid(unsigned pin, int valid)
-{
- if (valid)
- __set_bit(pin, gpio_valid);
- else
- __clear_bit(pin, gpio_valid);
-}
-
-/*
- * GENERIC_GPIO primitives
- */
-int gpio_direction_input(unsigned pin)
-{
- unsigned long flags;
-
- if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
- pr_debug("%s: invalid GPIO %d\n", __func__, pin);
- return -EINVAL;
- }
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- /*
- * Some callers might have not used the gpio_request(),
- * so flag this pin as requested now.
- */
- if (!gpio_label[pin])
- gpio_label[pin] = "?";
-
- orion5x_setbits(GPIO_IO_CONF, 1 << pin);
-
- spin_unlock_irqrestore(&gpio_lock, flags);
- return 0;
-}
-EXPORT_SYMBOL(gpio_direction_input);
-
-int gpio_direction_output(unsigned pin, int value)
-{
- unsigned long flags;
- int mask;
-
- if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
- pr_debug("%s: invalid GPIO %d\n", __func__, pin);
- return -EINVAL;
- }
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- /*
- * Some callers might have not used the gpio_request(),
- * so flag this pin as requested now.
- */
- if (!gpio_label[pin])
- gpio_label[pin] = "?";
-
- mask = 1 << pin;
- orion5x_clrbits(GPIO_BLINK_EN, mask);
- if (value)
- orion5x_setbits(GPIO_OUT, mask);
- else
- orion5x_clrbits(GPIO_OUT, mask);
- orion5x_clrbits(GPIO_IO_CONF, mask);
-
- spin_unlock_irqrestore(&gpio_lock, flags);
- return 0;
-}
-EXPORT_SYMBOL(gpio_direction_output);
-
-int gpio_get_value(unsigned pin)
-{
- int val, mask = 1 << pin;
-
- if (readl(GPIO_IO_CONF) & mask)
- val = readl(GPIO_DATA_IN) ^ readl(GPIO_IN_POL);
- else
- val = readl(GPIO_OUT);
-
- return val & mask;
-}
-EXPORT_SYMBOL(gpio_get_value);
-
-void gpio_set_value(unsigned pin, int value)
-{
- unsigned long flags;
- int mask = 1 << pin;
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- orion5x_clrbits(GPIO_BLINK_EN, mask);
- if (value)
- orion5x_setbits(GPIO_OUT, mask);
- else
- orion5x_clrbits(GPIO_OUT, mask);
-
- spin_unlock_irqrestore(&gpio_lock, flags);
-}
-EXPORT_SYMBOL(gpio_set_value);
-
-void orion5x_gpio_set_blink(unsigned pin, int blink)
-{
- unsigned long flags;
- int mask = 1 << pin;
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- orion5x_clrbits(GPIO_OUT, mask);
- if (blink)
- orion5x_setbits(GPIO_BLINK_EN, mask);
- else
- orion5x_clrbits(GPIO_BLINK_EN, mask);
-
- spin_unlock_irqrestore(&gpio_lock, flags);
-}
-EXPORT_SYMBOL(orion5x_gpio_set_blink);
-
-int gpio_request(unsigned pin, const char *label)
-{
- int ret = 0;
- unsigned long flags;
-
- if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
- pr_debug("%s: invalid GPIO %d\n", __func__, pin);
- return -EINVAL;
- }
-
- spin_lock_irqsave(&gpio_lock, flags);
-
- if (gpio_label[pin]) {
- pr_debug("%s: GPIO %d already used as %s\n",
- __func__, pin, gpio_label[pin]);
- ret = -EBUSY;
- } else
- gpio_label[pin] = label ? label : "?";
-
- spin_unlock_irqrestore(&gpio_lock, flags);
- return ret;
-}
-EXPORT_SYMBOL(gpio_request);
-
-void gpio_free(unsigned pin)
-{
- might_sleep();
-
- if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
- pr_debug("%s: invalid GPIO %d\n", __func__, pin);
- return;
- }
-
- if (!gpio_label[pin])
- pr_warning("%s: GPIO %d already freed\n", __func__, pin);
- else
- gpio_label[pin] = NULL;
-}
-EXPORT_SYMBOL(gpio_free);
-
-/* Debug helper */
-void gpio_display(void)
-{
- int i;
-
- for (i = 0; i < GPIO_MAX; i++) {
- printk(KERN_DEBUG "Pin-%d: ", i);
-
- if (!test_bit(i, gpio_valid)) {
- printk("non-GPIO\n");
- } else if (!gpio_label[i]) {
- printk("GPIO, free\n");
- } else {
- printk("GPIO, used by %s, ", gpio_label[i]);
- if (readl(GPIO_IO_CONF) & (1 << i)) {
- printk("input, active %s, level %s, edge %s\n",
- ((readl(GPIO_IN_POL) >> i) & 1) ? "low" : "high",
- ((readl(GPIO_LEVEL_MASK) >> i) & 1) ? "enabled" : "masked",
- ((readl(GPIO_EDGE_MASK) >> i) & 1) ? "enabled" : "masked");
- } else {
- printk("output, val=%d\n", (readl(GPIO_OUT) >> i) & 1);
- }
- }
- }
-
- printk(KERN_DEBUG "MPP_0_7_CTRL (0x%08x) = 0x%08x\n",
- MPP_0_7_CTRL, readl(MPP_0_7_CTRL));
- printk(KERN_DEBUG "MPP_8_15_CTRL (0x%08x) = 0x%08x\n",
- MPP_8_15_CTRL, readl(MPP_8_15_CTRL));
- printk(KERN_DEBUG "MPP_16_19_CTRL (0x%08x) = 0x%08x\n",
- MPP_16_19_CTRL, readl(MPP_16_19_CTRL));
- printk(KERN_DEBUG "MPP_DEV_CTRL (0x%08x) = 0x%08x\n",
- MPP_DEV_CTRL, readl(MPP_DEV_CTRL));
- printk(KERN_DEBUG "GPIO_OUT (0x%08x) = 0x%08x\n",
- GPIO_OUT, readl(GPIO_OUT));
- printk(KERN_DEBUG "GPIO_IO_CONF (0x%08x) = 0x%08x\n",
- GPIO_IO_CONF, readl(GPIO_IO_CONF));
- printk(KERN_DEBUG "GPIO_BLINK_EN (0x%08x) = 0x%08x\n",
- GPIO_BLINK_EN, readl(GPIO_BLINK_EN));
- printk(KERN_DEBUG "GPIO_IN_POL (0x%08x) = 0x%08x\n",
- GPIO_IN_POL, readl(GPIO_IN_POL));
- printk(KERN_DEBUG "GPIO_DATA_IN (0x%08x) = 0x%08x\n",
- GPIO_DATA_IN, readl(GPIO_DATA_IN));
- printk(KERN_DEBUG "GPIO_LEVEL_MASK (0x%08x) = 0x%08x\n",
- GPIO_LEVEL_MASK, readl(GPIO_LEVEL_MASK));
- printk(KERN_DEBUG "GPIO_EDGE_CAUSE (0x%08x) = 0x%08x\n",
- GPIO_EDGE_CAUSE, readl(GPIO_EDGE_CAUSE));
- printk(KERN_DEBUG "GPIO_EDGE_MASK (0x%08x) = 0x%08x\n",
- GPIO_EDGE_MASK, readl(GPIO_EDGE_MASK));
-}
* arch/arm/mach-orion5x/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
+ * License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
-extern int gpio_request(unsigned pin, const char *label);
-extern void gpio_free(unsigned pin);
-extern int gpio_direction_input(unsigned pin);
-extern int gpio_direction_output(unsigned pin, int value);
-extern int gpio_get_value(unsigned pin);
-extern void gpio_set_value(unsigned pin, int value);
-extern void orion5x_gpio_set_blink(unsigned pin, int blink);
-extern void gpio_display(void); /* debug */
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#include <mach/irqs.h>
+#include <plat/gpio.h>
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+#define GPIO_MAX 32
+#define GPIO_OUT(pin) ORION5X_DEV_BUS_REG(0x100)
+#define GPIO_IO_CONF(pin) ORION5X_DEV_BUS_REG(0x104)
+#define GPIO_BLINK_EN(pin) ORION5X_DEV_BUS_REG(0x108)
+#define GPIO_IN_POL(pin) ORION5X_DEV_BUS_REG(0x10c)
+#define GPIO_DATA_IN(pin) ORION5X_DEV_BUS_REG(0x110)
static inline int gpio_to_irq(int pin)
{
return irq - IRQ_ORION5X_GPIO_START;
}
-#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+#endif
#ifndef __ASM_ARCH_IRQS_H
#define __ASM_ARCH_IRQS_H
-#include "orion5x.h" /* need GPIO_MAX */
-
/*
* Orion Main Interrupt Controller
*/
* Orion General Purpose Pins
*/
#define IRQ_ORION5X_GPIO_START 32
-#define NR_GPIO_IRQS GPIO_MAX
+#define NR_GPIO_IRQS 32
#define NR_IRQS (IRQ_ORION5X_GPIO_START + NR_GPIO_IRQS)
#define MPP_16_19_CTRL ORION5X_DEV_BUS_REG(0x050)
#define MPP_DEV_CTRL ORION5X_DEV_BUS_REG(0x008)
#define MPP_RESET_SAMPLE ORION5X_DEV_BUS_REG(0x010)
-#define GPIO_OUT ORION5X_DEV_BUS_REG(0x100)
-#define GPIO_IO_CONF ORION5X_DEV_BUS_REG(0x104)
-#define GPIO_BLINK_EN ORION5X_DEV_BUS_REG(0x108)
-#define GPIO_IN_POL ORION5X_DEV_BUS_REG(0x10c)
-#define GPIO_DATA_IN ORION5X_DEV_BUS_REG(0x110)
#define GPIO_EDGE_CAUSE ORION5X_DEV_BUS_REG(0x114)
#define GPIO_EDGE_MASK ORION5X_DEV_BUS_REG(0x118)
#define GPIO_LEVEL_MASK ORION5X_DEV_BUS_REG(0x11c)
#define DEV_BUS_CTRL ORION5X_DEV_BUS_REG(0x4c0)
#define DEV_BUS_INT_CAUSE ORION5X_DEV_BUS_REG(0x4d0)
#define DEV_BUS_INT_MASK ORION5X_DEV_BUS_REG(0x4d4)
-#define GPIO_MAX 32
/***************************************************************************
* Orion CPU Bridge Registers
/*****************************************************************************
* Orion GPIO IRQ
*
- * GPIO_IN_POL register controlls whether GPIO_DATA_IN will hold the same
+ * GPIO_IN_POL register controls whether GPIO_DATA_IN will hold the same
* value of the line or the opposite value.
*
* Level IRQ handlers: DATA_IN is used directly as cause register.
int pin = irq_to_gpio(irq);
struct irq_desc *desc;
- if ((readl(GPIO_IO_CONF) & (1 << pin)) == 0) {
+ if ((readl(GPIO_IO_CONF(pin)) & (1 << pin)) == 0) {
printk(KERN_ERR "orion5x_gpio_set_irq_type failed "
"(irq %d, pin %d).\n", irq, pin);
return -EINVAL;
case IRQ_TYPE_LEVEL_HIGH:
desc->handle_irq = handle_level_irq;
desc->status |= IRQ_LEVEL;
- orion5x_clrbits(GPIO_IN_POL, (1 << pin));
+ orion5x_clrbits(GPIO_IN_POL(pin), (1 << pin));
break;
case IRQ_TYPE_LEVEL_LOW:
desc->handle_irq = handle_level_irq;
desc->status |= IRQ_LEVEL;
- orion5x_setbits(GPIO_IN_POL, (1 << pin));
+ orion5x_setbits(GPIO_IN_POL(pin), (1 << pin));
break;
case IRQ_TYPE_EDGE_RISING:
desc->handle_irq = handle_edge_irq;
desc->status &= ~IRQ_LEVEL;
- orion5x_clrbits(GPIO_IN_POL, (1 << pin));
+ orion5x_clrbits(GPIO_IN_POL(pin), (1 << pin));
break;
case IRQ_TYPE_EDGE_FALLING:
desc->handle_irq = handle_edge_irq;
desc->status &= ~IRQ_LEVEL;
- orion5x_setbits(GPIO_IN_POL, (1 << pin));
+ orion5x_setbits(GPIO_IN_POL(pin), (1 << pin));
break;
case IRQ_TYPE_EDGE_BOTH:
desc->handle_irq = handle_edge_irq;
/*
* set initial polarity based on current input level
*/
- if ((readl(GPIO_IN_POL) ^ readl(GPIO_DATA_IN))
+ if ((readl(GPIO_IN_POL(pin)) ^ readl(GPIO_DATA_IN(pin)))
& (1 << pin))
- orion5x_setbits(GPIO_IN_POL, (1 << pin)); /* falling */
+ orion5x_setbits(GPIO_IN_POL(pin), (1 << pin)); /* falling */
else
- orion5x_clrbits(GPIO_IN_POL, (1 << pin)); /* rising */
+ orion5x_clrbits(GPIO_IN_POL(pin), (1 << pin)); /* rising */
break;
default:
BUG_ON(irq < IRQ_ORION5X_GPIO_0_7 || irq > IRQ_ORION5X_GPIO_24_31);
offs = (irq - IRQ_ORION5X_GPIO_0_7) * 8;
- cause = (readl(GPIO_DATA_IN) & readl(GPIO_LEVEL_MASK)) |
+ cause = (readl(GPIO_DATA_IN(offs)) & readl(GPIO_LEVEL_MASK)) |
(readl(GPIO_EDGE_CAUSE) & readl(GPIO_EDGE_MASK));
for (pin = offs; pin < offs + 8; pin++) {
desc = irq_desc + irq;
if ((desc->status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
/* Swap polarity (race with GPIO line) */
- u32 polarity = readl(GPIO_IN_POL);
+ u32 polarity = readl(GPIO_IN_POL(pin));
polarity ^= 1 << pin;
- writel(polarity, GPIO_IN_POL);
+ writel(polarity, GPIO_IN_POL(pin));
}
generic_handle_irq(irq);
}
#include <linux/init.h>
#include <linux/mbus.h>
#include <linux/io.h>
+#include <asm/gpio.h>
#include <mach/hardware.h>
#include "common.h"
#include "mpp.h"
*reg &= ~(0xf << shift);
*reg |= (num_type & 0xf) << shift;
- orion5x_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
+ if (mode->type == MPP_UNUSED && (mode->mpp < 16 || is_5182()))
+ orion_gpio_set_unused(mode->mpp);
+
+ orion_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
mode++;
}
obj-m :=
obj-n :=
obj- :=
+
+obj-$(CONFIG_GENERIC_GPIO) += gpio.o
--- /dev/null
+/*
+ * arch/arm/plat-orion/gpio.c
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/bitops.h>
+#include <linux/io.h>
+#include <asm/gpio.h>
+
+static DEFINE_SPINLOCK(gpio_lock);
+static const char *gpio_label[GPIO_MAX]; /* non null for allocated GPIOs */
+static unsigned long gpio_valid[BITS_TO_LONGS(GPIO_MAX)];
+
+static inline void __set_direction(unsigned pin, int input)
+{
+ u32 u;
+
+ u = readl(GPIO_IO_CONF(pin));
+ if (input)
+ u |= 1 << (pin & 31);
+ else
+ u &= ~(1 << (pin & 31));
+ writel(u, GPIO_IO_CONF(pin));
+}
+
+static void __set_level(unsigned pin, int high)
+{
+ u32 u;
+
+ u = readl(GPIO_OUT(pin));
+ if (high)
+ u |= 1 << (pin & 31);
+ else
+ u &= ~(1 << (pin & 31));
+ writel(u, GPIO_OUT(pin));
+}
+
+
+/*
+ * GENERIC_GPIO primitives.
+ */
+int gpio_direction_input(unsigned pin)
+{
+ unsigned long flags;
+
+ if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+ pr_debug("%s: invalid GPIO %d\n", __func__, pin);
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&gpio_lock, flags);
+
+ /*
+ * Some callers might not have used gpio_request(),
+ * so flag this pin as requested now.
+ */
+ if (gpio_label[pin] == NULL)
+ gpio_label[pin] = "?";
+
+ /*
+ * Configure GPIO direction.
+ */
+ __set_direction(pin, 1);
+
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned pin, int value)
+{
+ unsigned long flags;
+ u32 u;
+
+ if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+ pr_debug("%s: invalid GPIO %d\n", __func__, pin);
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&gpio_lock, flags);
+
+ /*
+ * Some callers might not have used gpio_request(),
+ * so flag this pin as requested now.
+ */
+ if (gpio_label[pin] == NULL)
+ gpio_label[pin] = "?";
+
+ /*
+ * Disable blinking.
+ */
+ u = readl(GPIO_BLINK_EN(pin));
+ u &= ~(1 << (pin & 31));
+ writel(u, GPIO_BLINK_EN(pin));
+
+ /*
+ * Configure GPIO output value.
+ */
+ __set_level(pin, value);
+
+ /*
+ * Configure GPIO direction.
+ */
+ __set_direction(pin, 0);
+
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
+int gpio_get_value(unsigned pin)
+{
+ int val;
+
+ if (readl(GPIO_IO_CONF(pin)) & (1 << (pin & 31)))
+ val = readl(GPIO_DATA_IN(pin)) ^ readl(GPIO_IN_POL(pin));
+ else
+ val = readl(GPIO_OUT(pin));
+
+ return (val >> (pin & 31)) & 1;
+}
+EXPORT_SYMBOL(gpio_get_value);
+
+void gpio_set_value(unsigned pin, int value)
+{
+ unsigned long flags;
+ u32 u;
+
+ spin_lock_irqsave(&gpio_lock, flags);
+
+ /*
+ * Disable blinking.
+ */
+ u = readl(GPIO_BLINK_EN(pin));
+ u &= ~(1 << (pin & 31));
+ writel(u, GPIO_BLINK_EN(pin));
+
+ /*
+ * Configure GPIO output value.
+ */
+ __set_level(pin, value);
+
+ spin_unlock_irqrestore(&gpio_lock, flags);
+}
+EXPORT_SYMBOL(gpio_set_value);
+
+int gpio_request(unsigned pin, const char *label)
+{
+ unsigned long flags;
+ int ret;
+
+ if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+ pr_debug("%s: invalid GPIO %d\n", __func__, pin);
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&gpio_lock, flags);
+ if (gpio_label[pin] == NULL) {
+ gpio_label[pin] = label ? label : "?";
+ ret = 0;
+ } else {
+ pr_debug("%s: GPIO %d already used as %s\n",
+ __func__, pin, gpio_label[pin]);
+ ret = -EBUSY;
+ }
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned pin)
+{
+ if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
+ pr_debug("%s: invalid GPIO %d\n", __func__, pin);
+ return;
+ }
+
+ if (gpio_label[pin] == NULL)
+ pr_warning("%s: GPIO %d already freed\n", __func__, pin);
+ else
+ gpio_label[pin] = NULL;
+}
+EXPORT_SYMBOL(gpio_free);
+
+
+/*
+ * Orion-specific GPIO API extensions.
+ */
+void __init orion_gpio_set_unused(unsigned pin)
+{
+ /*
+ * Configure as output, drive low.
+ */
+ __set_level(pin, 0);
+ __set_direction(pin, 0);
+}
+
+void __init orion_gpio_set_valid(unsigned pin, int valid)
+{
+ if (valid)
+ __set_bit(pin, gpio_valid);
+ else
+ __clear_bit(pin, gpio_valid);
+}
+
+void orion_gpio_set_blink(unsigned pin, int blink)
+{
+ unsigned long flags;
+ u32 u;
+
+ spin_lock_irqsave(&gpio_lock, flags);
+
+ /*
+ * Set output value to zero.
+ */
+ __set_level(pin, 0);
+
+ u = readl(GPIO_BLINK_EN(pin));
+ if (blink)
+ u |= 1 << (pin & 31);
+ else
+ u &= ~(1 << (pin & 31));
+ writel(u, GPIO_BLINK_EN(pin));
+
+ spin_unlock_irqrestore(&gpio_lock, flags);
+}
+EXPORT_SYMBOL(orion_gpio_set_blink);
--- /dev/null
+/*
+ * 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);
+
+
+#endif
projects / linux-2.6-omap-h63xx.git / commitdiff