From: Lily Zhang <r58066@freescale.com>
Date: Thu, 14 Apr 2011 06:18:43 +0000 (+0800)
Subject: ENGR00142005-2 ARM: imx: Add LDB device
X-Git-Tag: v3.0.35-fsl~2423
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=463e102fd093d8c474534edcdcef342d87a41f8f;p=karo-tx-linux.git

ENGR00142005-2 ARM: imx: Add LDB device

Add LDB device into i.MX platform

Signed-off-by: Lily Zhang <r58066@freescale.com>
---

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 1a1713c7ff5c..af268be483ab 100755
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -58,6 +58,7 @@ config	SOC_IMX53
 	select IMX_HAVE_PLATFORM_IMX_DVFS
 	select IMX_HAVE_PLATFORM_IMX_SSI
 	select IMX_HAVE_PLATFORM_IMX_IIM
+	select IMX_HAVE_PLATFORM_LDB
 
 if ARCH_MX50_SUPPORTED
 #comment "i.MX50 machines:"
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index e7149db9bf9a..f2ee8a5be730 100755
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -112,3 +112,6 @@ config IMX_HAVE_PLATFORM_RANDOM_RNGC
 
 config IMX_HAVE_PLATFORM_PERFMON
 	bool
+
+config IMX_HAVE_PLATFORM_LDB
+	bool
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index f7a3680a7aee..f18fd96618af 100755
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -36,4 +36,4 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_OCOTP) += platform-imx-ocotp.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_DCP) += platform-imx-dcp.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_RANDOM_RNGC) += platform-imx-rngb.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_PERFMON) += platform-imx-perfmon.o
-
+obj-$(CONFIG_IMX_HAVE_PLATFORM_LDB) += platform-imx_ldb.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx_ldb.c b/arch/arm/plat-mxc/devices/platform-imx_ldb.c
new file mode 100644
index 000000000000..93de74df8c6f
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx_ldb.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+#include <linux/clk.h>
+
+#define imx_ldb_data_entry_single(soc, size)	\
+	{								\
+		.iobase = soc ## _IOMUXC_BASE_ADDR,			\
+		.iosize = size,						\
+	}
+
+#ifdef CONFIG_SOC_IMX53
+const struct imx_ldb_data imx53_ldb_data __initconst =
+			imx_ldb_data_entry_single(MX53, SZ_4K);
+#endif
+
+struct platform_device *__init imx_add_ldb(
+		const struct imx_ldb_data *data,
+		struct fsl_mxc_ldb_platform_data *pdata)
+{
+	struct resource res[] = {
+		{
+			.start = data->iobase,
+			.end = data->iobase + data->iosize - 1,
+			.flags = IORESOURCE_MEM,
+		},
+	};
+
+	return imx_add_platform_device("mxc_ldb", -1,
+			res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
+}
+
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 24c91875e121..a5ee1dbc1755 100755
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -378,6 +378,15 @@ struct imx_perfmon_data {
 
 struct platform_device *__init imx_add_perfmon(
 		const struct imx_perfmon_data *data);
+
+struct imx_ldb_data {
+	resource_size_t iobase;
+	resource_size_t iosize;
+};
+
+struct platform_device *__init imx_add_ldb(
+	const struct imx_ldb_data *data,
+	struct fsl_mxc_ldb_platform_data *pdata);
 struct imx_perfmon_data {
 	resource_size_t iobase;
 	struct mxs_platform_perfmon_data *pdata;