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Diffstat (limited to 'arch/arm/mach-ux500/devices-common.c')
-rw-r--r--arch/arm/mach-ux500/devices-common.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/devices-common.c b/arch/arm/mach-ux500/devices-common.c
new file mode 100644
index 00000000..c5312a4b
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-common.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+
+#include <plat/gpio-nomadik.h>
+
+#include <mach/hardware.h>
+
+#include "devices-common.h"
+
+struct amba_device *
+dbx500_add_amba_device(struct device *parent, const char *name,
+ resource_size_t base, int irq, void *pdata,
+ unsigned int periphid)
+{
+ struct amba_device *dev;
+ int ret;
+
+ dev = amba_device_alloc(name, base, SZ_4K);
+ if (!dev)
+ return ERR_PTR(-ENOMEM);
+
+ dev->dma_mask = DMA_BIT_MASK(32);
+ dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+ dev->irq[0] = irq;
+
+ dev->periphid = periphid;
+
+ dev->dev.platform_data = pdata;
+
+ dev->dev.parent = parent;
+
+ ret = amba_device_add(dev, &iomem_resource);
+ if (ret) {
+ amba_device_put(dev);
+ return ERR_PTR(ret);
+ }
+
+ return dev;
+}
+
+static struct platform_device *
+dbx500_add_gpio(struct device *parent, int id, resource_size_t addr, int irq,
+ struct nmk_gpio_platform_data *pdata)
+{
+ struct resource resources[] = {
+ {
+ .start = addr,
+ .end = addr + 127,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = irq,
+ .end = irq,
+ .flags = IORESOURCE_IRQ,
+ }
+ };
+
+ return platform_device_register_resndata(
+ parent,
+ "gpio",
+ id,
+ resources,
+ ARRAY_SIZE(resources),
+ pdata,
+ sizeof(*pdata));
+}
+
+void dbx500_add_gpios(struct device *parent, resource_size_t *base, int num,
+ int irq, struct nmk_gpio_platform_data *pdata)
+{
+ int first = 0;
+ int i;
+
+ for (i = 0; i < num; i++, first += 32, irq++) {
+ pdata->first_gpio = first;
+ pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
+ pdata->num_gpio = 32;
+
+ dbx500_add_gpio(parent, i, base[i], irq, pdata);
+ }
+}