ARM: mx5: dynamically register imx-i2c devices

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 31 insertions, 47 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 0848db5dd364..e57caefb1f28 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -10,6 +10,7 @@ comment "MX5 platforms:"
 
 config MACH_MX51_BABBAGE
         bool "Support MX51 BABBAGE platforms"
+        select IMX_HAVE_PLATFORM_IMX_I2C
         help
           Include support for MX51 Babbage platform, also known as MX51EVK in
           u-boot. This includes specific configurations for the board and its
@@ -24,6 +25,7 @@ config MACH_MX51_3DS
 
 config MACH_EUKREA_CPUIMX51
         bool "Support Eukrea CPUIMX51 module"
+        select IMX_HAVE_PLATFORM_IMX_I2C
         help
           Include support for Eukrea CPUIMX51 platform. This includes
           specific configurations for the module and its peripherals.
diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c
index 623607a20f57..d52f2527f6bf 100644
--- a/arch/arm/mach-mx5/board-cpuimx51.c
+++ b/arch/arm/mach-mx5/board-cpuimx51.c
@@ -30,7 +30,6 @@
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx51.h>
-#include <mach/i2c.h>
 #include <mach/mxc_ehci.h>
 
 #include <asm/irq.h>
@@ -152,7 +151,8 @@ static struct imxuart_platform_data uart_pdata = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
-static struct imxi2c_platform_data eukrea_cpuimx51_i2c_data = {
+static const
+struct imxi2c_platform_data eukrea_cpuimx51_i2c_data __initconst = {
         .bitrate = 100000,
 };
 
@@ -255,7 +255,7 @@ static void __init eukrea_cpuimx51_init(void)
 
         platform_add_devices(devices, ARRAY_SIZE(devices));
 
-        mxc_register_device(&mxc_i2c_device1, &eukrea_cpuimx51_i2c_data);
+        imx51_add_imx_i2c(1, &eukrea_cpuimx51_i2c_data);
         i2c_register_board_info(1, eukrea_cpuimx51_i2c_devices,
                                 ARRAY_SIZE(eukrea_cpuimx51_i2c_devices));
 
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index caa8f680649e..3f3075d7768f 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -23,7 +23,6 @@
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx51.h>
-#include <mach/i2c.h>
 #include <mach/mxc_ehci.h>
 
 #include <asm/irq.h>
@@ -137,7 +136,7 @@ static inline void mxc_init_imx_uart(void)
 }
 #endif /* SERIAL_IMX */
 
-static struct imxi2c_platform_data babbage_i2c_data = {
+static const struct imxi2c_platform_data babbage_i2c_data __initconst = {
         .bitrate = 100000,
 };
 
@@ -293,8 +292,8 @@ static void __init mxc_board_init(void)
         babbage_fec_reset();
         platform_add_devices(devices, ARRAY_SIZE(devices));
 
-        mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data);
-        mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data);
+        imx51_add_imx_i2c(0, &babbage_i2c_data);
+        imx51_add_imx_i2c(1, &babbage_i2c_data);
         mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data);
 
         if (otg_mode_host)
diff --git a/arch/arm/mach-mx5/devices-imx51.h b/arch/arm/mach-mx5/devices-imx51.h
new file mode 100644
index 000000000000..a3cc3834c9fe
--- /dev/null
+++ b/arch/arm/mach-mx5/devices-imx51.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+#include <mach/mx51.h>
+#include <mach/devices-common.h>
+
+extern const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst;
+#define imx51_add_imx_i2c(id, pdata)    \
+        imx_add_imx_i2c(&imx51_imx_i2c_data[id], pdata)
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 1920ff4963b2..70b76d16391c 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -93,44 +93,6 @@ struct platform_device mxc_fec_device = {
         .resource = mxc_fec_resources,
 };
 
-static struct resource mxc_i2c0_resources[] = {
-        {
-                .start = MX51_I2C1_BASE_ADDR,
-                .end = MX51_I2C1_BASE_ADDR + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        }, {
-                .start = MX51_MXC_INT_I2C1,
-                .end = MX51_MXC_INT_I2C1,
-                .flags = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device mxc_i2c_device0 = {
-        .name = "imx-i2c",
-        .id = 0,
-        .num_resources = ARRAY_SIZE(mxc_i2c0_resources),
-        .resource = mxc_i2c0_resources,
-};
-
-static struct resource mxc_i2c1_resources[] = {
-        {
-                .start = MX51_I2C2_BASE_ADDR,
-                .end = MX51_I2C2_BASE_ADDR + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        }, {
-                .start = MX51_MXC_INT_I2C2,
-                .end = MX51_MXC_INT_I2C2,
-                .flags = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device mxc_i2c_device1 = {
-        .name = "imx-i2c",
-        .id = 1,
-        .num_resources = ARRAY_SIZE(mxc_i2c1_resources),
-        .resource = mxc_i2c1_resources,
-};
-
 static struct resource mxc_hsi2c_resources[] = {
         {
                 .start = MX51_HSI2C_DMA_BASE_ADDR,
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
index e509cfaad1d4..5c2918fcec0d 100644
--- a/arch/arm/mach-mx5/devices.h
+++ b/arch/arm/mach-mx5/devices.h
@@ -6,7 +6,5 @@ extern struct platform_device mxc_usbdr_host_device;
 extern struct platform_device mxc_usbh1_device;
 extern struct platform_device mxc_usbdr_udc_device;
 extern struct platform_device mxc_wdt;
-extern struct platform_device mxc_i2c_device0;
-extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_hsi2c_device;
 extern struct platform_device mxc_keypad_device;
diff --git a/arch/arm/plat-mxc/devices/platform-imx-i2c.c b/arch/arm/plat-mxc/devices/platform-imx-i2c.c
index ab9670b96c8a..ca988d40a3d7 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-i2c.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-i2c.c
@@ -68,6 +68,15 @@ const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = {
 };
 #endif /* ifdef CONFIG_ARCH_MX35 */
 
+#ifdef CONFIG_ARCH_MX51
+const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst = {
+#define imx51_imx_i2c_data_entry(_id, _hwid)                            \
+        imx_imx_i2c_data_entry(MX51, _id, _hwid, SZ_4K)
+        imx51_imx_i2c_data_entry(0, 1),
+        imx51_imx_i2c_data_entry(1, 2),
+};
+#endif /* ifdef CONFIG_ARCH_MX51 */
+
 struct platform_device *__init imx_add_imx_i2c(
                 const struct imx_imx_i2c_data *data,
                 const struct imxi2c_platform_data *pdata)