From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/arm/mach-ux500/devices-common.c | 146 +++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 arch/arm/mach-ux500/devices-common.c

(limited to 'arch/arm/mach-ux500/devices-common.c')

diff --git a/arch/arm/mach-ux500/devices-common.c b/arch/arm/mach-ux500/devices-common.c
new file mode 100644
index 00000000..13a4ce04
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-common.c
@@ -0,0 +1,146 @@
+/*
+ * 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.h>
+
+#include <mach/hardware.h>
+
+#include "devices-common.h"
+
+struct amba_device *
+dbx500_add_amba_device(const char *name, resource_size_t base,
+		       int irq, void *pdata, unsigned int periphid)
+{
+	struct amba_device *dev;
+	int ret;
+
+	dev = kzalloc(sizeof *dev, GFP_KERNEL);
+	if (!dev)
+		return ERR_PTR(-ENOMEM);
+
+	dev->dev.init_name = name;
+
+	dev->res.start = base;
+	dev->res.end = base + SZ_4K - 1;
+	dev->res.flags = IORESOURCE_MEM;
+
+	dev->dma_mask = DMA_BIT_MASK(32);
+	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+	dev->irq[0] = irq;
+	dev->irq[1] = NO_IRQ;
+
+	dev->periphid = periphid;
+
+	dev->dev.platform_data = pdata;
+
+	ret = amba_device_register(dev, &iomem_resource);
+	if (ret) {
+		kfree(dev);
+		return ERR_PTR(ret);
+	}
+
+	return dev;
+}
+
+static struct platform_device *
+dbx500_add_platform_device(const char *name, int id, void *pdata,
+			   struct resource *res, int resnum)
+{
+	struct platform_device *dev;
+	int ret;
+
+	dev = platform_device_alloc(name, id);
+	if (!dev)
+		return ERR_PTR(-ENOMEM);
+
+	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+	dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
+
+	ret = platform_device_add_resources(dev, res, resnum);
+	if (ret)
+		goto out_free;
+
+	dev->dev.platform_data = pdata;
+
+	ret = platform_device_add(dev);
+	if (ret)
+		goto out_free;
+
+	return dev;
+
+out_free:
+	platform_device_put(dev);
+	return ERR_PTR(ret);
+}
+
+struct platform_device *
+dbx500_add_platform_device_4k1irq(const char *name, int id,
+				  resource_size_t base,
+				  int irq, void *pdata)
+{
+	struct resource resources[] = {
+		[0] = {
+			.start	= base,
+			.end	= base + SZ_4K - 1,
+			.flags	= IORESOURCE_MEM,
+		},
+		[1] = {
+			.start	= irq,
+			.end	= irq,
+			.flags	= IORESOURCE_IRQ,
+		}
+	};
+
+	return dbx500_add_platform_device(name, id, pdata, resources,
+					  ARRAY_SIZE(resources));
+}
+
+static struct platform_device *
+dbx500_add_gpio(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(NULL, "gpio", id,
+				resources, ARRAY_SIZE(resources),
+				pdata, sizeof(*pdata));
+}
+
+void dbx500_add_gpios(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(i, base[i], irq, pdata);
+	}
+}
-- 
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