iim: add IIM driver support

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Eric Miao <eric.miao@linaro.org>

7 files changed, 87 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 28334eee50c..81a50fdfc5e 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -31,6 +31,7 @@ config	SOC_IMX51
 	select ARCH_MXC_AUDMUX_V2
 	select ARCH_HAS_CPUFREQ
 	select ARCH_MX51
+	select IMX_HAVE_PLATFORM_IMX_IIM
 
 config	SOC_IMX53
 	bool
@@ -40,6 +41,7 @@ config	SOC_IMX53
 	select ARCH_MXC_IOMUX_V3
 	select ARCH_HAS_CPUFREQ
 	select ARCH_MX53
+	select IMX_HAVE_PLATFORM_IMX_IIM
 
 #comment "i.MX50 machines:"
 
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index 78803799e89..e9dde1e7db9 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -50,3 +50,7 @@ extern struct platform_device *__init imx53_add_ahci_imx(void);
 extern const struct imx_srtc_data imx53_imx_srtc_data __initconst;
 #define imx53_add_srtc()	\
 	imx_add_srtc(&imx53_imx_srtc_data)
+
+extern const struct imx_iim_data imx53_imx_iim_data __initconst;
+#define imx53_add_iim(pdata) \
+	imx_add_iim(&imx53_imx_iim_data, pdata)
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 6724e8f533e..ac94d9c80e1 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -83,6 +83,9 @@ config IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
 config IMX_HAVE_PLATFORM_SPI_IMX
 	bool
 
+config IMX_HAVE_PLATFORM_IMX_IIM
+	bool
+
 config IMX_HAVE_PLATFORM_AHCI
 	bool
 	default y if ARCH_MX53
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index f55484bb69e..ff99eed8f65 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -27,4 +27,5 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_RTC) += platform-mxc_rtc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX) += platform-sdhci-esdhc-imx.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) +=  platform-spi_imx.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_IIM)	+= platform-imx-iim.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_AHCI) +=  platform-ahci-imx.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx-iim.c b/arch/arm/plat-mxc/devices/platform-imx-iim.c
new file mode 100644
index 00000000000..74043ded3c0
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx-iim.c
@@ -0,0 +1,59 @@
+/*
+ * 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>
+
+#define imx5_iim_data_entry_single(soc)				\
+	{							\
+		.iobase = soc ## _IIM_BASE_ADDR,		\
+		.irq = soc ## _INT_IIM,				\
+	}
+
+#ifdef CONFIG_SOC_IMX51
+const struct imx_iim_data imx51_imx_iim_data __initconst =
+			imx5_iim_data_entry_single(MX51);
+#endif /* ifdef CONFIG_SOC_IMX51 */
+
+#ifdef CONFIG_SOC_IMX53
+const struct imx_iim_data imx53_imx_iim_data __initconst =
+			imx5_iim_data_entry_single(MX53);
+#endif /* ifdef CONFIG_SOC_IMX53 */
+
+struct platform_device *__init imx_add_iim(
+		const struct imx_iim_data *data,
+		const struct mxc_iim_platform_data *pdata)
+{
+	struct resource res[] = {
+		{
+			.start = data->iobase,
+			.end = data->iobase + SZ_16 - 1,
+			.flags = IORESOURCE_MEM,
+		}, {
+			.start = data->irq,
+			.end = data->irq,
+			.flags = IORESOURCE_IRQ,
+		},
+	};
+
+	return imx_add_platform_device("mxc_iim", 0,
+			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 9e5d6c3e717..9b40b926e7d 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -338,3 +338,11 @@ struct imx_srtc_data {
 };
 struct platform_device *__init imx_add_srtc(
 		const struct imx_srtc_data *data);
+
+struct imx_iim_data {
+	resource_size_t iobase;
+	resource_size_t irq;
+};
+struct platform_device *__init imx_add_iim(
+		const struct imx_iim_data *data,
+		const struct mxc_iim_platform_data *pdata);
diff --git a/arch/arm/plat-mxc/include/mach/mx53.h b/arch/arm/plat-mxc/include/mach/mx53.h
index a37e8c35399..7d2154dc4e4 100644
--- a/arch/arm/plat-mxc/include/mach/mx53.h
+++ b/arch/arm/plat-mxc/include/mach/mx53.h
@@ -338,4 +338,14 @@
 #define MX53_INT_GPIO7_LOW	107
 #define MX53_INT_GPIO7_HIGH	108
 
+/*!
+ * IIM bank info
+ */
+#define MXC_IIM_MX51_BANK_START_ADDR 0x0800
+#define MXC_IIM_MX51_BANK_END_ADDR   0x147c
+#define MXC_IIM_MX53_BANK_START_ADDR 0x0800
+#define MXC_IIM_MX53_BANK_END_ADDR   0x183c
+#define MXC_IIM_MX53_BANK_AREA_1_OFFSET 0xc00
+#define MXC_IIM_MX53_MAC_ADDR_OFFSET    0x24
+
 #endif /* ifndef __MACH_MX53_H__ */