[ARM] 5539/1: Freescale STMP: onboard devices declaration

Define onboard devices for Freescale STMP3xxx boards

Signed-off-by: dmitry pervushin <dpervushin@embeddedalley.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

9 files changed, 771 insertions, 2 deletions

diff --git a/arch/arm/mach-stmp378x/stmp378x.c b/arch/arm/mach-stmp378x/stmp378x.c
index 9a363fb..ddd49a7 100644
--- a/arch/arm/mach-stmp378x/stmp378x.c
+++ b/arch/arm/mach-stmp378x/stmp378x.c
@@ -19,6 +19,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/irq.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/dma.h>
 #include <asm/setup.h>
@@ -39,6 +40,8 @@
 #include <mach/regs-icoll.h>
 #include <mach/regs-apbh.h>
 #include <mach/regs-apbx.h>
+#include <mach/regs-pxp.h>
+#include <mach/regs-i2c.h>
 
 #include "stmp378x.h"
 /*
@@ -232,6 +235,64 @@ static struct map_desc stmp378x_io_desc[] __initdata = {
 	},
 };
 
+
+static u64 common_dmamask = DMA_BIT_MASK(32);
+
+/*
+ * devices that are present only on stmp378x, not on all 3xxx boards:
+ * 	PxP
+ * 	I2C
+ */
+static struct resource pxp_resource[] = {
+	{
+		.flags	= IORESOURCE_MEM,
+		.start	= REGS_PXP_PHYS,
+		.end	= REGS_PXP_PHYS + REGS_PXP_SIZE,
+	}, {
+		.flags	= IORESOURCE_IRQ,
+		.start	= IRQ_PXP,
+		.end	= IRQ_PXP,
+	},
+};
+
+struct platform_device stmp378x_pxp = {
+	.name		= "stmp3xxx-pxp",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= &common_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(pxp_resource),
+	.resource	= pxp_resource,
+};
+
+static struct resource i2c_resources[] = {
+	{
+		.flags = IORESOURCE_IRQ,
+		.start = IRQ_I2C_ERROR,
+		.end = IRQ_I2C_ERROR,
+	}, {
+		.flags = IORESOURCE_MEM,
+		.start = REGS_I2C_PHYS,
+		.end = REGS_I2C_PHYS + REGS_I2C_SIZE,
+	}, {
+		.flags = IORESOURCE_DMA,
+		.start = STMP3XXX_DMA(3, STMP3XXX_BUS_APBX),
+		.end = STMP3XXX_DMA(3, STMP3XXX_BUS_APBX),
+	},
+};
+
+struct platform_device stmp378x_i2c = {
+	.name = "i2c_stmp3xxx",
+	.id = 0,
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.resource = i2c_resources,
+	.num_resources = ARRAY_SIZE(i2c_resources),
+};
+
 void __init stmp378x_map_io(void)
 {
 	iotable_init(stmp378x_io_desc, ARRAY_SIZE(stmp378x_io_desc));
diff --git a/arch/arm/mach-stmp378x/stmp378x.h b/arch/arm/mach-stmp378x/stmp378x.h
index 473de64..0dc15b3 100644
--- a/arch/arm/mach-stmp378x/stmp378x.h
+++ b/arch/arm/mach-stmp378x/stmp378x.h
@@ -21,4 +21,5 @@
 void stmp378x_map_io(void);
 void stmp378x_init_irq(void);
 
+extern struct platform_device stmp378x_pxp, stmp378x_i2c;
 #endif /* __MACH_STMP378X_COMMON_H */
diff --git a/arch/arm/mach-stmp378x/stmp378x_devb.c b/arch/arm/mach-stmp378x/stmp378x_devb.c
index bc643f6..90d8fe6 100644
--- a/arch/arm/mach-stmp378x/stmp378x_devb.c
+++ b/arch/arm/mach-stmp378x/stmp378x_devb.c
@@ -17,7 +17,12 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/spi/spi.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -25,12 +30,39 @@
 
 #include <mach/pins.h>
 #include <mach/pinmux.h>
+#include <mach/platform.h>
 #include <mach/stmp3xxx.h>
+#include <mach/mmc.h>
+#include <mach/gpmi.h>
 
 #include "stmp378x.h"
 
 static struct platform_device *devices[] = {
 	&stmp3xxx_dbguart,
+	&stmp3xxx_appuart,
+	&stmp3xxx_watchdog,
+	&stmp3xxx_touchscreen,
+	&stmp3xxx_rtc,
+	&stmp3xxx_keyboard,
+	&stmp3xxx_framebuffer,
+	&stmp3xxx_backlight,
+	&stmp3xxx_rotdec,
+	&stmp3xxx_persistent,
+	&stmp3xxx_dcp_bootstream,
+	&stmp3xxx_dcp,
+	&stmp3xxx_battery,
+	&stmp378x_pxp,
+	&stmp378x_i2c,
+};
+
+static struct pin_desc i2c_pins_desc[] = {
+	{ PINID_I2C_SCL, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_I2C_SDA, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+};
+
+static struct pin_group i2c_pins = {
+	.pins		= i2c_pins_desc,
+	.nr_pins	= ARRAY_SIZE(i2c_pins_desc),
 };
 
 static struct pin_desc dbguart_pins_0[] = {
@@ -56,6 +88,215 @@ static int dbguart_pins_control(int id, int request)
 	return r;
 }
 
+static struct pin_desc appuart_pins_0[] = {
+	{ PINID_AUART1_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_AUART1_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_AUART1_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_AUART1_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+};
+
+static struct pin_desc appuart_pins_1[] = {
+#if 0 /* enable these when second appuart will be connected */
+	{ PINID_AUART2_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_AUART2_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_AUART2_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_AUART2_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+#endif
+};
+
+static struct pin_desc mmc_pins_desc[] = {
+	{ PINID_SSP1_DATA0, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 },
+	{ PINID_SSP1_DATA1, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 },
+	{ PINID_SSP1_DATA2, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 },
+	{ PINID_SSP1_DATA3, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 },
+	{ PINID_SSP1_CMD, PIN_FUN1, PIN_8MA, PIN_3_3V, 1 },
+	{ PINID_SSP1_SCK, PIN_FUN1, PIN_8MA, PIN_3_3V, 0 },
+	{ PINID_SSP1_DETECT, PIN_FUN1, PIN_8MA, PIN_3_3V, 0 },
+};
+
+static struct pin_group mmc_pins = {
+	.pins		= mmc_pins_desc,
+	.nr_pins	= ARRAY_SIZE(mmc_pins_desc),
+};
+
+static int stmp3xxxmmc_get_wp(void)
+{
+	return gpio_get_value(PINID_PWM4);
+}
+
+static int stmp3xxxmmc_hw_init_ssp1(void)
+{
+	int ret;
+
+	ret = stmp3xxx_request_pin_group(&mmc_pins, "mmc");
+	if (ret)
+		goto out;
+
+	/* Configure write protect GPIO pin */
+	ret = gpio_request(PINID_PWM4, "mmc wp");
+	if (ret)
+		goto out_wp;
+
+	gpio_direction_input(PINID_PWM4);
+
+	/* Configure POWER pin as gpio to drive power to MMC slot */
+	ret = gpio_request(PINID_PWM3, "mmc power");
+	if (ret)
+		goto out_power;
+
+	gpio_direction_output(PINID_PWM3, 0);
+	mdelay(100);
+
+	return 0;
+
+out_power:
+	gpio_free(PINID_PWM4);
+out_wp:
+	stmp3xxx_release_pin_group(&mmc_pins, "mmc");
+out:
+	return ret;
+}
+
+static void stmp3xxxmmc_hw_release_ssp1(void)
+{
+	gpio_free(PINID_PWM3);
+	gpio_free(PINID_PWM4);
+	stmp3xxx_release_pin_group(&mmc_pins, "mmc");
+}
+
+static void stmp3xxxmmc_cmd_pullup_ssp1(int enable)
+{
+	stmp3xxx_pin_pullup(PINID_SSP1_CMD, enable, "mmc");
+}
+
+static unsigned long
+stmp3xxxmmc_setclock_ssp1(void __iomem *base, unsigned long hz)
+{
+	struct clk *ssp, *parent;
+	char *p;
+	long r;
+
+	ssp = clk_get(NULL, "ssp");
+
+	/* using SSP1, no timeout, clock rate 1 */
+	writel(BF(2, SSP_TIMING_CLOCK_DIVIDE) |
+	       BF(0xFFFF, SSP_TIMING_TIMEOUT),
+	       base + HW_SSP_TIMING);
+
+	p = (hz > 1000000) ? "io" : "osc_24M";
+	parent = clk_get(NULL, p);
+	clk_set_parent(ssp, parent);
+	r = clk_set_rate(ssp, 2 * hz / 1000);
+	clk_put(parent);
+	clk_put(ssp);
+
+	return hz;
+}
+
+static struct stmp3xxxmmc_platform_data mmc_data = {
+	.hw_init	= stmp3xxxmmc_hw_init_ssp1,
+	.hw_release	= stmp3xxxmmc_hw_release_ssp1,
+	.get_wp		= stmp3xxxmmc_get_wp,
+	.cmd_pullup	= stmp3xxxmmc_cmd_pullup_ssp1,
+	.setclock	= stmp3xxxmmc_setclock_ssp1,
+};
+
+
+static struct pin_group appuart_pins[] = {
+	[0] = {
+		.pins		= appuart_pins_0,
+		.nr_pins	= ARRAY_SIZE(appuart_pins_0),
+	},
+	[1] = {
+		.pins		= appuart_pins_1,
+		.nr_pins	= ARRAY_SIZE(appuart_pins_1),
+	},
+};
+
+static struct pin_desc ssp1_pins_desc[] = {
+	{ PINID_SSP1_SCK,	PIN_FUN1, PIN_8MA, PIN_3_3V, 0, },
+	{ PINID_SSP1_CMD,	PIN_FUN1, PIN_4MA, PIN_3_3V, 0, },
+	{ PINID_SSP1_DATA0,	PIN_FUN1, PIN_4MA, PIN_3_3V, 0, },
+	{ PINID_SSP1_DATA3,	PIN_FUN1, PIN_4MA, PIN_3_3V, 0, },
+};
+
+static struct pin_desc ssp2_pins_desc[] = {
+	{ PINID_GPMI_WRN,	PIN_FUN3, PIN_8MA, PIN_3_3V, 0, },
+	{ PINID_GPMI_RDY1,	PIN_FUN3, PIN_4MA, PIN_3_3V, 0, },
+	{ PINID_GPMI_D00,	PIN_FUN3, PIN_4MA, PIN_3_3V, 0, },
+	{ PINID_GPMI_D03,	PIN_FUN3, PIN_4MA, PIN_3_3V, 0, },
+};
+
+static struct pin_group ssp1_pins = {
+	.pins = ssp1_pins_desc,
+	.nr_pins = ARRAY_SIZE(ssp1_pins_desc),
+};
+
+static struct pin_group ssp2_pins = {
+	.pins = ssp1_pins_desc,
+	.nr_pins = ARRAY_SIZE(ssp2_pins_desc),
+};
+
+static struct pin_desc gpmi_pins_desc[] = {
+	{ PINID_GPMI_CE0N, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_CE1N, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GMPI_CE2N, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_CLE, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_ALE, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_WPN, PIN_FUN1, PIN_12MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_RDY1, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D00, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D01, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D02, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D03, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D04, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D05, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D06, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_D07, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_RDY0, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_RDY2, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_RDY3, PIN_FUN1, PIN_4MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_WRN, PIN_FUN1, PIN_12MA, PIN_3_3V, 0 },
+	{ PINID_GPMI_RDN, PIN_FUN1, PIN_12MA, PIN_3_3V, 0 },
+};
+
+static struct pin_group gpmi_pins = {
+	.pins		= gpmi_pins_desc,
+	.nr_pins	= ARRAY_SIZE(gpmi_pins_desc),
+};
+
+static struct mtd_partition gpmi_partitions[] = {
+	[0] = {
+		.name	= "boot",
+		.size	= 10 * SZ_1M,
+		.offset	= 0,
+	},
+	[1] = {
+		.name	= "data",
+		.size	= MTDPART_SIZ_FULL,
+		.offset	= MTDPART_OFS_APPEND,
+	},
+};
+
+static struct gpmi_platform_data gpmi_data = {
+	.pins = &gpmi_pins,
+	.nr_parts = ARRAY_SIZE(gpmi_partitions),
+	.parts = gpmi_partitions,
+	.part_types = { "cmdline", NULL },
+};
+
+static struct spi_board_info spi_board_info[] __initdata = {
+#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
+	{
+		.modalias       = "enc28j60",
+		.max_speed_hz   = 6 * 1000 * 1000,
+		.bus_num	= 1,
+		.chip_select    = 0,
+		.platform_data  = NULL,
+	},
+#endif
+};
+
 static void __init stmp378x_devb_init(void)
 {
 	stmp3xxx_pinmux_init(NR_REAL_IRQS);
@@ -64,9 +305,22 @@ static void __init stmp378x_devb_init(void)
 	stmp3xxx_init();
 
 	stmp3xxx_dbguart.dev.platform_data = dbguart_pins_control;
+	stmp3xxx_appuart.dev.platform_data = appuart_pins;
+	stmp3xxx_mmc.dev.platform_data = &mmc_data;
+	stmp3xxx_gpmi.dev.platform_data = &gpmi_data;
+	stmp3xxx_spi1.dev.platform_data = &ssp1_pins;
+	stmp3xxx_spi2.dev.platform_data = &ssp2_pins;
+	stmp378x_i2c.dev.platform_data = &i2c_pins;
+
+	/* register spi devices */
+	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 
 	/* add board's devices */
 	platform_add_devices(devices, ARRAY_SIZE(devices));
+
+	/* add devices selected by command line ssp1= and ssp2= options */
+	stmp3xxx_ssp1_device_register();
+	stmp3xxx_ssp2_device_register();
 }
 
 MACHINE_START(STMP378X, "STMP378X")
diff --git a/arch/arm/mach-stmp37xx/stmp37xx_devb.c b/arch/arm/mach-stmp37xx/stmp37xx_devb.c
index adfbdc7..394f21a 100644
--- a/arch/arm/mach-stmp37xx/stmp37xx_devb.c
+++ b/arch/arm/mach-stmp37xx/stmp37xx_devb.c
@@ -33,6 +33,7 @@
  */
 static struct platform_device *stmp37xx_devb_devices[] = {
 	&stmp3xxx_dbguart,
+	&stmp3xxx_appuart,
 };
 
 static struct pin_desc dbguart_pins_0[] = {
@@ -40,6 +41,21 @@ static struct pin_desc dbguart_pins_0[] = {
 	{ PINID_PWM1, PIN_FUN3, },
 };
 
+struct pin_desc appuart_pins_0[] = {
+	{ PINID_UART2_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_UART2_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_UART2_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+	{ PINID_UART2_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
+};
+
+static struct pin_group appuart_pins[] = {
+	[0] = {
+		.pins		= appuart_pins_0,
+		.nr_pins	= ARRAY_SIZE(appuart_pins_0),
+	},
+	/* 37xx has the only app uart */
+};
+
 static struct pin_group dbguart_pins[] = {
 	[0] = {
 		.pins		= dbguart_pins_0,
@@ -67,6 +83,8 @@ static void __init stmp37xx_devb_init(void)
 	stmp3xxx_init();
 
 	stmp3xxx_dbguart.dev.platform_data = dbguart_pins_control;
+	stmp3xxx_appuart.dev.platform_data = appuart_pins;
+
 	/* Add STMP37xx development board devices */
 	platform_add_devices(stmp37xx_devb_devices,
 			ARRAY_SIZE(stmp37xx_devb_devices));
diff --git a/arch/arm/plat-stmp3xxx/Makefile b/arch/arm/plat-stmp3xxx/Makefile
index b634800..31dd518 100644
--- a/arch/arm/plat-stmp3xxx/Makefile
+++ b/arch/arm/plat-stmp3xxx/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the linux kernel.
 #
 # Object file lists.
-obj-y += core.o timer.o irq.o dma.o clock.o pinmux.o
+obj-y += core.o timer.o irq.o dma.o clock.o pinmux.o devices.o
diff --git a/arch/arm/plat-stmp3xxx/devices.c b/arch/arm/plat-stmp3xxx/devices.c
new file mode 100644
index 0000000..68fed4b
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/devices.c
@@ -0,0 +1,389 @@
+/*
+* Freescale STMP37XX/STMP378X platform devices
+*
+* Embedded Alley Solutions, Inc <source@embeddedalley.com>
+*
+* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
+* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
+*/
+
+/*
+* The code contained herein is licensed under the GNU General Public
+* License. You may obtain a copy of the GNU General Public License
+* Version 2 or later at the following locations:
+*
+* http://www.opensource.org/licenses/gpl-license.html
+* http://www.gnu.org/copyleft/gpl.html
+*/
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/platform.h>
+#include <mach/stmp3xxx.h>
+#include <mach/regs-lcdif.h>
+#include <mach/regs-uartapp.h>
+#include <mach/regs-gpmi.h>
+#include <mach/regs-usbctrl.h>
+#include <mach/regs-ssp.h>
+#include <mach/regs-rtc.h>
+
+static u64 common_dmamask = DMA_BIT_MASK(32);
+
+static struct resource appuart_resources[] = {
+	{
+		.start = IRQ_UARTAPP_INTERNAL,
+		.end = IRQ_UARTAPP_INTERNAL,
+		.flags = IORESOURCE_IRQ,
+	}, {
+		.start = IRQ_UARTAPP_RX_DMA,
+		.end = IRQ_UARTAPP_RX_DMA,
+		.flags = IORESOURCE_IRQ,
+	}, {
+		.start = IRQ_UARTAPP_TX_DMA,
+		.end = IRQ_UARTAPP_TX_DMA,
+		.flags = IORESOURCE_IRQ,
+	}, {
+		.start = REGS_UARTAPP1_PHYS,
+		.end = REGS_UARTAPP1_PHYS + REGS_UARTAPP_SIZE,
+		.flags = IORESOURCE_MEM,
+	}, {
+		/* Rx DMA channel */
+		.start = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
+		.end = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
+		.flags = IORESOURCE_DMA,
+	}, {
+		/* Tx DMA channel */
+		.start = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
+		.end = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+struct platform_device stmp3xxx_appuart = {
+	.name = "stmp3xxx-appuart",
+	.id = 0,
+	.resource = appuart_resources,
+	.num_resources = ARRAY_SIZE(appuart_resources),
+	.dev = {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+struct platform_device stmp3xxx_watchdog = {
+      .name   = "stmp3xxx_wdt",
+      .id     = -1,
+};
+
+static struct resource ts_resource[] = {
+	{
+		.flags  = IORESOURCE_IRQ,
+		.start  = IRQ_TOUCH_DETECT,
+		.end    = IRQ_TOUCH_DETECT,
+	}, {
+		.flags  = IORESOURCE_IRQ,
+		.start  = IRQ_LRADC_CH5,
+		.end    = IRQ_LRADC_CH5,
+	},
+};
+
+struct platform_device stmp3xxx_touchscreen = {
+	.name		= "stmp3xxx_ts",
+	.id		= -1,
+	.resource	= ts_resource,
+	.num_resources	= ARRAY_SIZE(ts_resource),
+};
+
+/*
+* Keypad device
+*/
+struct platform_device stmp3xxx_keyboard = {
+	.name		= "stmp3xxx-keyboard",
+	.id		= -1,
+};
+
+static struct resource gpmi_resources[] = {
+	{
+		.flags = IORESOURCE_MEM,
+		.start = REGS_GPMI_PHYS,
+		.end = REGS_GPMI_PHYS + REGS_GPMI_SIZE,
+	}, {
+		.flags = IORESOURCE_IRQ,
+		.start = IRQ_GPMI_DMA,
+		.end = IRQ_GPMI_DMA,
+	}, {
+		.flags = IORESOURCE_DMA,
+		.start = STMP3XXX_DMA(4, STMP3XXX_BUS_APBH),
+		.end = STMP3XXX_DMA(8, STMP3XXX_BUS_APBH),
+	},
+};
+
+struct platform_device stmp3xxx_gpmi = {
+	.name = "gpmi",
+	.id = -1,
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.resource = gpmi_resources,
+	.num_resources = ARRAY_SIZE(gpmi_resources),
+};
+
+static struct resource mmc1_resource[] = {
+	{
+		.flags	= IORESOURCE_MEM,
+		.start	= REGS_SSP1_PHYS,
+		.end	= REGS_SSP1_PHYS + REGS_SSP_SIZE,
+	}, {
+		.flags	= IORESOURCE_DMA,
+		.start	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
+		.end	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
+	}, {
+		.flags	= IORESOURCE_IRQ,
+		.start	= IRQ_SSP1_DMA,
+		.end	= IRQ_SSP1_DMA,
+	}, {
+		.flags	= IORESOURCE_IRQ,
+		.start	= IRQ_SSP_ERROR,
+		.end	= IRQ_SSP_ERROR,
+	},
+};
+
+struct platform_device stmp3xxx_mmc = {
+	.name	= "stmp3xxx-mmc",
+	.id	= 1,
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.resource = mmc1_resource,
+	.num_resources = ARRAY_SIZE(mmc1_resource),
+};
+
+static struct resource usb_resources[] = {
+	{
+		.start	= REGS_USBCTRL_PHYS,
+		.end	= REGS_USBCTRL_PHYS + SZ_4K,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_USB_CTRL,
+		.end	= IRQ_USB_CTRL,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device stmp3xxx_udc = {
+	.name		= "fsl-usb2-udc",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= &common_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource = usb_resources,
+	.num_resources = ARRAY_SIZE(usb_resources),
+};
+
+struct platform_device stmp3xxx_ehci = {
+	.name		= "fsl-ehci",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= &common_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= usb_resources,
+	.num_resources	= ARRAY_SIZE(usb_resources),
+};
+
+static struct resource rtc_resources[] = {
+	{
+		.start	= REGS_RTC_PHYS,
+		.end	= REGS_RTC_PHYS + REGS_RTC_SIZE,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_RTC_ALARM,
+		.end	= IRQ_RTC_ALARM,
+		.flags	= IORESOURCE_IRQ,
+	}, {
+		.start	= IRQ_RTC_1MSEC,
+		.end	= IRQ_RTC_1MSEC,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device stmp3xxx_rtc = {
+	.name		= "stmp3xxx-rtc",
+	.id		= -1,
+	.resource	= rtc_resources,
+	.num_resources	= ARRAY_SIZE(rtc_resources),
+};
+
+static struct resource ssp1_resources[] = {
+	{
+		.start	= REGS_SSP1_PHYS,
+		.end	= REGS_SSP1_PHYS + REGS_SSP_SIZE,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_SSP1_DMA,
+		.end	= IRQ_SSP1_DMA,
+		.flags	= IORESOURCE_IRQ,
+	}, {
+		.start	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
+		.end	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct resource ssp2_resources[] = {
+	{
+		.start	= REGS_SSP2_PHYS,
+		.end	= REGS_SSP2_PHYS + REGS_SSP_SIZE,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_SSP2_DMA,
+		.end	= IRQ_SSP2_DMA,
+		.flags	= IORESOURCE_IRQ,
+	}, {
+		.start	= STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
+		.end	= STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+struct platform_device stmp3xxx_spi1 = {
+	.name	= "stmp3xxx_ssp",
+	.id	= 1,
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.resource = ssp1_resources,
+	.num_resources = ARRAY_SIZE(ssp1_resources),
+};
+
+struct platform_device stmp3xxx_spi2 = {
+	.name	= "stmp3xxx_ssp",
+	.id	= 2,
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.resource = ssp2_resources,
+	.num_resources = ARRAY_SIZE(ssp2_resources),
+};
+
+static struct resource fb_resource[] = {
+	{
+		.flags	= IORESOURCE_IRQ,
+		.start	= IRQ_LCDIF_DMA,
+		.end	= IRQ_LCDIF_DMA,
+	}, {
+		.flags	= IORESOURCE_IRQ,
+		.start	= IRQ_LCDIF_ERROR,
+		.end	= IRQ_LCDIF_ERROR,
+	}, {
+		.flags	= IORESOURCE_MEM,
+		.start	= REGS_LCDIF_PHYS,
+		.end	= REGS_LCDIF_PHYS + REGS_LCDIF_SIZE,
+	},
+};
+
+struct platform_device stmp3xxx_framebuffer = {
+	.name		= "stmp3xxx-fb",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= &common_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(fb_resource),
+	.resource	= fb_resource,
+};
+
+#define CMDLINE_DEVICE_CHOOSE(name, dev1, dev2)			\
+	static char *cmdline_device_##name;			\
+	static int cmdline_device_##name##_setup(char *dev)	\
+	{							\
+		cmdline_device_##name = dev + 1;		\
+		return 0;					\
+	}							\
+	__setup(#name, cmdline_device_##name##_setup);		\
+	int stmp3xxx_##name##_device_register(void)		\
+	{							\
+		struct platform_device *d = NULL;		\
+		if (!cmdline_device_##name ||			\
+			!strcmp(cmdline_device_##name, #dev1))	\
+				d = &stmp3xxx_##dev1;		\
+		else if (!strcmp(cmdline_device_##name, #dev2))	\
+				d = &stmp3xxx_##dev2;		\
+		else						\
+			printk(KERN_ERR"Unknown %s assignment '%s'.\n",	\
+				#name, cmdline_device_##name);	\
+		return d ? platform_device_register(d) : -ENOENT;	\
+	}
+
+CMDLINE_DEVICE_CHOOSE(ssp1, mmc, spi1)
+CMDLINE_DEVICE_CHOOSE(ssp2, gpmi, spi2)
+
+struct platform_device stmp3xxx_backlight = {
+	.name		= "stmp3xxx-bl",
+	.id		= -1,
+};
+
+struct platform_device stmp3xxx_rotdec = {
+	.name	= "stmp3xxx-rotdec",
+	.id	= -1,
+};
+
+struct platform_device stmp3xxx_persistent = {
+	.name			= "stmp3xxx-persistent",
+	.id			= -1,
+};
+
+struct platform_device stmp3xxx_dcp_bootstream = {
+	.name			= "stmp3xxx-dcpboot",
+	.id			= -1,
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+static struct resource dcp_resources[] = {
+	{
+		.start = IRQ_DCP_VMI,
+		.end = IRQ_DCP_VMI,
+		.flags = IORESOURCE_IRQ,
+	}, {
+		.start = IRQ_DCP,
+		.end = IRQ_DCP,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device stmp3xxx_dcp = {
+	.name			= "stmp3xxx-dcp",
+	.id			= -1,
+	.resource		= dcp_resources,
+	.num_resources		= ARRAY_SIZE(dcp_resources),
+	.dev	= {
+		.dma_mask	= &common_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+static struct resource battery_resource[] = {
+	{
+		.flags  = IORESOURCE_IRQ,
+		.start  = IRQ_VDD5V,
+		.end    = IRQ_VDD5V,
+	},
+};
+
+struct platform_device stmp3xxx_battery = {
+	.name   = "stmp3xxx-battery",
+	.resource = battery_resource,
+	.num_resources = ARRAY_SIZE(battery_resource),
+};
diff --git a/arch/arm/plat-stmp3xxx/include/mach/gpmi.h b/arch/arm/plat-stmp3xxx/include/mach/gpmi.h
new file mode 100644
index 0000000..e166432
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/gpmi.h
@@ -0,0 +1,12 @@
+#ifndef __MACH_GPMI_H
+
+#include <linux/mtd/partitions.h>
+#include <mach/regs-gpmi.h>
+
+struct gpmi_platform_data {
+	void *pins;
+	int nr_parts;
+	struct mtd_partition *parts;
+	const char *part_types[];
+};
+#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/mmc.h b/arch/arm/plat-stmp3xxx/include/mach/mmc.h
new file mode 100644
index 0000000..ba81e15
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/mmc.h
@@ -0,0 +1,14 @@
+#ifndef _MACH_MMC_H
+#define _MACH_MMC_H
+
+#include <mach/regs-ssp.h>
+
+struct stmp3xxxmmc_platform_data {
+	int (*get_wp)(void);
+	unsigned long (*setclock)(void __iomem *base, unsigned long);
+	void (*cmd_pullup)(int);
+	int  (*hw_init)(void);
+	void (*hw_release)(void);
+};
+
+#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h
index 78cf1be..2e300fe 100644
--- a/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h
+++ b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h
@@ -25,7 +25,27 @@ extern struct sys_timer stmp3xxx_timer;
 void stmp3xxx_init_irq(struct irq_chip *chip);
 void stmp3xxx_init(void);
 int stmp3xxx_reset_block(void __iomem *hwreg, int just_enable);
-extern struct platform_device stmp3xxx_dbguart;
+extern struct platform_device stmp3xxx_dbguart,
+			      stmp3xxx_appuart,
+			      stmp3xxx_watchdog,
+			      stmp3xxx_touchscreen,
+			      stmp3xxx_keyboard,
+			      stmp3xxx_gpmi,
+			      stmp3xxx_mmc,
+			      stmp3xxx_udc,
+			      stmp3xxx_ehci,
+			      stmp3xxx_rtc,
+			      stmp3xxx_spi1,
+			      stmp3xxx_spi2,
+			      stmp3xxx_backlight,
+			      stmp3xxx_rotdec,
+			      stmp3xxx_dcp,
+			      stmp3xxx_dcp_bootstream,
+			      stmp3xxx_persistent,
+			      stmp3xxx_framebuffer,
+			      stmp3xxx_battery;
+int stmp3xxx_ssp1_device_register(void);
+int stmp3xxx_ssp2_device_register(void);
 
 struct pin_group;
 void stmp3xxx_release_pin_group(struct pin_group *pin_group, const char *label);