2 * Copyright (C) ST-Ericsson SA 2010
4 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5 * License terms: GNU General Public License (GPL), version 2.
8 #include <linux/kernel.h>
9 #include <linux/dma-mapping.h>
10 #include <linux/err.h>
11 #include <linux/irq.h>
12 #include <linux/slab.h>
13 #include <linux/platform_device.h>
14 #include <linux/amba/bus.h>
16 #include <plat/gpio-nomadik.h>
18 #include <mach/hardware.h>
20 #include "devices-common.h"
23 dbx500_add_amba_device(const char *name, resource_size_t base,
24 int irq, void *pdata, unsigned int periphid)
26 struct amba_device *dev;
29 dev = amba_device_alloc(name, base, SZ_4K);
31 return ERR_PTR(-ENOMEM);
33 dev->dma_mask = DMA_BIT_MASK(32);
34 dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
38 dev->periphid = periphid;
40 dev->dev.platform_data = pdata;
42 ret = amba_device_add(dev, &iomem_resource);
51 static struct platform_device *
52 dbx500_add_platform_device(const char *name, int id, void *pdata,
53 struct resource *res, int resnum)
55 struct platform_device *dev;
58 dev = platform_device_alloc(name, id);
60 return ERR_PTR(-ENOMEM);
62 dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
63 dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
65 ret = platform_device_add_resources(dev, res, resnum);
69 dev->dev.platform_data = pdata;
71 ret = platform_device_add(dev);
78 platform_device_put(dev);
82 struct platform_device *
83 dbx500_add_platform_device_4k1irq(const char *name, int id,
87 struct resource resources[] = {
90 .end = base + SZ_4K - 1,
91 .flags = IORESOURCE_MEM,
96 .flags = IORESOURCE_IRQ,
100 return dbx500_add_platform_device(name, id, pdata, resources,
101 ARRAY_SIZE(resources));
104 static struct platform_device *
105 dbx500_add_gpio(int id, resource_size_t addr, int irq,
106 struct nmk_gpio_platform_data *pdata)
108 struct resource resources[] = {
112 .flags = IORESOURCE_MEM,
117 .flags = IORESOURCE_IRQ,
121 return platform_device_register_resndata(NULL, "gpio", id,
122 resources, ARRAY_SIZE(resources),
123 pdata, sizeof(*pdata));
126 void dbx500_add_gpios(resource_size_t *base, int num, int irq,
127 struct nmk_gpio_platform_data *pdata)
132 for (i = 0; i < num; i++, first += 32, irq++) {
133 pdata->first_gpio = first;
134 pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
135 pdata->num_gpio = 32;
137 dbx500_add_gpio(i, base[i], irq, pdata);