Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1026 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
new file mode 100644
index 000000000..e2353f7dc
--- /dev/null
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -0,0 +1,1026 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  linux/arch/arm/mach-pxa/stargate2.c
+ *
+ *  Author:	Ed C. Epp
+ *  Created:	Nov 05, 2002
+ *  Copyright:	Intel Corp.
+ *
+ *  Modified 2009:  Jonathan Cameron <jic23@cam.ac.uk>
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/bitops.h>
+#include <linux/fb.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/mtd/partitions.h>
+
+#include <linux/platform_data/i2c-pxa.h>
+#include <linux/platform_data/pcf857x.h>
+#include <linux/smc91x.h>
+#include <linux/gpio/machine.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/property.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+
+#include "pxa27x.h"
+#include <linux/platform_data/mmc-pxamci.h>
+#include "udc.h"
+#include "pxa27x-udc.h"
+#include <mach/smemc.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/mfd/da903x.h>
+
+#include "devices.h"
+#include "generic.h"
+
+#define STARGATE_NR_IRQS	(IRQ_BOARD_START + 8)
+
+/* Bluetooth */
+#define SG2_BT_RESET		81
+
+/* SD */
+#define SG2_GPIO_nSD_DETECT	90
+#define SG2_SD_POWER_ENABLE	89
+
+static unsigned long sg2_im2_unified_pin_config[] __initdata = {
+	/* Device Identification for wakeup*/
+	GPIO102_GPIO,
+	/* DA9030 */
+	GPIO1_GPIO,
+
+	/* MMC */
+	GPIO32_MMC_CLK,
+	GPIO112_MMC_CMD,
+	GPIO92_MMC_DAT_0,
+	GPIO109_MMC_DAT_1,
+	GPIO110_MMC_DAT_2,
+	GPIO111_MMC_DAT_3,
+
+	/* 802.15.4 radio - driver out of mainline */
+	GPIO22_GPIO,			/* CC_RSTN */
+	GPIO114_GPIO,			/* CC_FIFO */
+	GPIO116_GPIO,			/* CC_CCA */
+	GPIO0_GPIO,			/* CC_FIFOP */
+	GPIO16_GPIO,			/* CCSFD */
+	GPIO115_GPIO,			/* Power enable */
+
+	/* I2C */
+	GPIO117_I2C_SCL,
+	GPIO118_I2C_SDA,
+
+	/* SSP 3 - 802.15.4 radio */
+	GPIO39_GPIO,			/* Chip Select */
+	GPIO34_SSP3_SCLK,
+	GPIO35_SSP3_TXD,
+	GPIO41_SSP3_RXD,
+
+	/* SSP 2 to daughter boards */
+	GPIO11_SSP2_RXD,
+	GPIO38_SSP2_TXD,
+	GPIO36_SSP2_SCLK,
+	GPIO37_GPIO, /* chip select */
+
+	/* SSP 1 - to daughter boards */
+	GPIO24_GPIO,			/* Chip Select */
+	GPIO23_SSP1_SCLK,
+	GPIO25_SSP1_TXD,
+	GPIO26_SSP1_RXD,
+
+	/* BTUART Basic Connector*/
+	GPIO42_BTUART_RXD,
+	GPIO43_BTUART_TXD,
+	GPIO44_BTUART_CTS,
+	GPIO45_BTUART_RTS,
+
+	/* STUART  - IM2 via debug board not sure on SG2*/
+	GPIO46_STUART_RXD,
+	GPIO47_STUART_TXD,
+
+	/* Basic sensor board */
+	GPIO96_GPIO,	/* accelerometer interrupt */
+	GPIO99_GPIO,	/* ADC interrupt */
+
+	/* SHT15 */
+	GPIO100_GPIO,
+	GPIO98_GPIO,
+
+	/* Basic sensor board */
+	GPIO96_GPIO,	/* accelerometer interrupt */
+	GPIO99_GPIO,	/* ADC interrupt */
+
+	/* Connector pins specified as gpios */
+	GPIO94_GPIO, /* large basic connector pin 14 */
+	GPIO10_GPIO, /* large basic connector pin 23 */
+};
+
+static struct gpiod_lookup_table sht15_gpiod_table = {
+	.dev_id = "sht15",
+	.table = {
+		/* FIXME: should this have |GPIO_OPEN_DRAIN set? */
+		GPIO_LOOKUP("gpio-pxa", 100, "data", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("gpio-pxa", 98, "clk", GPIO_ACTIVE_HIGH),
+	},
+};
+
+static struct platform_device sht15 = {
+	.name = "sht15",
+	.id = -1,
+};
+
+static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
+	REGULATOR_SUPPLY("vcc", "sht15"),
+};
+
+enum stargate2_ldos{
+	vcc_vref,
+	vcc_cc2420,
+	/* a mote connector? */
+	vcc_mica,
+	/* the CSR bluecore chip */
+	vcc_bt,
+	/* The two voltages available to sensor boards */
+	vcc_sensor_1_8,
+	vcc_sensor_3,
+	/* directly connected to the pxa27x */
+	vcc_sram_ext,
+	vcc_pxa_pll,
+	vcc_pxa_usim, /* Reference voltage for certain gpios */
+	vcc_pxa_mem,
+	vcc_pxa_flash,
+	vcc_pxa_core, /*Dc-Dc buck not yet supported */
+	vcc_lcd,
+	vcc_bb,
+	vcc_bbio, /*not sure!*/
+	vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
+};
+
+/* The values of the various regulator constraints are obviously dependent
+ * on exactly what is wired to each ldo.  Unfortunately this information is
+ * not generally available.  More information has been requested from Xbow.
+ */
+static struct regulator_init_data stargate2_ldo_init_data[] = {
+	[vcc_bbio] = {
+		.constraints = { /* board default 1.8V */
+			.name = "vcc_bbio",
+			.min_uV = 1800000,
+			.max_uV = 1800000,
+		},
+	},
+	[vcc_bb] = {
+		.constraints = { /* board default 2.8V */
+			.name = "vcc_bb",
+			.min_uV = 2700000,
+			.max_uV = 3000000,
+		},
+	},
+	[vcc_pxa_flash] = {
+		.constraints = {/* default is 1.8V */
+			.name = "vcc_pxa_flash",
+			.min_uV = 1800000,
+			.max_uV = 1800000,
+		},
+	},
+	[vcc_cc2420] = { /* also vcc_io */
+		.constraints = {
+			/* board default is 2.8V */
+			.name = "vcc_cc2420",
+			.min_uV = 2700000,
+			.max_uV = 3300000,
+		},
+	},
+	[vcc_vref] = { /* Reference for what? */
+		.constraints = { /* default 1.8V */
+			.name = "vcc_vref",
+			.min_uV = 1800000,
+			.max_uV = 1800000,
+		},
+	},
+	[vcc_sram_ext] = {
+		.constraints = { /* default 2.8V */
+			.name = "vcc_sram_ext",
+			.min_uV = 2800000,
+			.max_uV = 2800000,
+		},
+	},
+	[vcc_mica] = {
+		.constraints = { /* default 2.8V */
+			.name = "vcc_mica",
+			.min_uV = 2800000,
+			.max_uV = 2800000,
+		},
+	},
+	[vcc_bt] = {
+		.constraints = { /* default 2.8V */
+			.name = "vcc_bt",
+			.min_uV = 2800000,
+			.max_uV = 2800000,
+		},
+	},
+	[vcc_lcd] = {
+		.constraints = { /* default 2.8V */
+			.name = "vcc_lcd",
+			.min_uV = 2700000,
+			.max_uV = 3300000,
+		},
+	},
+	[vcc_io] = { /* Same or higher than everything
+			  * bar vccbat and vccusb */
+		.constraints = { /* default 2.8V */
+			.name = "vcc_io",
+			.min_uV = 2692000,
+			.max_uV = 3300000,
+		},
+	},
+	[vcc_sensor_1_8] = {
+		.constraints = { /* default 1.8V */
+			.name = "vcc_sensor_1_8",
+			.min_uV = 1800000,
+			.max_uV = 1800000,
+		},
+	},
+	[vcc_sensor_3] = { /* curiously default 2.8V */
+		.constraints = {
+			.name = "vcc_sensor_3",
+			.min_uV = 2800000,
+			.max_uV = 3000000,
+		},
+		.num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
+		.consumer_supplies = stargate2_sensor_3_con,
+	},
+	[vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
+		.constraints = {
+			.name = "vcc_pxa_pll",
+			.min_uV = 1170000,
+			.max_uV = 1430000,
+		},
+	},
+	[vcc_pxa_usim] = {
+		.constraints = { /* default 1.8V */
+			.name = "vcc_pxa_usim",
+			.min_uV = 1710000,
+			.max_uV = 2160000,
+		},
+	},
+	[vcc_pxa_mem] = {
+		.constraints = { /* default 1.8V */
+			.name = "vcc_pxa_mem",
+			.min_uV = 1800000,
+			.max_uV = 1800000,
+		},
+	},
+};
+
+static struct mtd_partition stargate2flash_partitions[] = {
+	{
+		.name = "Bootloader",
+		.size = 0x00040000,
+		.offset = 0,
+		.mask_flags = 0,
+	}, {
+		.name = "Kernel",
+		.size = 0x00200000,
+		.offset = 0x00040000,
+		.mask_flags = 0
+	}, {
+		.name = "Filesystem",
+		.size = 0x01DC0000,
+		.offset = 0x00240000,
+		.mask_flags = 0
+	},
+};
+
+static struct resource flash_resources = {
+	.start = PXA_CS0_PHYS,
+	.end = PXA_CS0_PHYS + SZ_32M - 1,
+	.flags = IORESOURCE_MEM,
+};
+
+static struct flash_platform_data stargate2_flash_data = {
+	.map_name = "cfi_probe",
+	.parts = stargate2flash_partitions,
+	.nr_parts = ARRAY_SIZE(stargate2flash_partitions),
+	.name = "PXA27xOnChipROM",
+	.width = 2,
+};
+
+static struct platform_device stargate2_flash_device = {
+	.name = "pxa2xx-flash",
+	.id = 0,
+	.dev = {
+		.platform_data = &stargate2_flash_data,
+	},
+	.resource = &flash_resources,
+	.num_resources = 1,
+};
+
+static struct pxa2xx_spi_controller pxa_ssp_master_0_info = {
+	.num_chipselect = 1,
+};
+
+static struct pxa2xx_spi_controller pxa_ssp_master_1_info = {
+	.num_chipselect = 1,
+};
+
+static struct pxa2xx_spi_controller pxa_ssp_master_2_info = {
+	.num_chipselect = 1,
+};
+
+/* An upcoming kernel change will scrap SFRM usage so these
+ * drivers have been moved to use gpio's via cs_control */
+static struct pxa2xx_spi_chip staccel_chip_info = {
+	.tx_threshold = 8,
+	.rx_threshold = 8,
+	.dma_burst_size = 8,
+	.timeout = 235,
+	.gpio_cs = 24,
+};
+
+static struct pxa2xx_spi_chip cc2420_info = {
+	.tx_threshold = 8,
+	.rx_threshold = 8,
+	.dma_burst_size = 8,
+	.timeout = 235,
+	.gpio_cs = 39,
+};
+
+static struct spi_board_info spi_board_info[] __initdata = {
+	{
+		.modalias = "lis3l02dq",
+		.max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
+		.bus_num = 1,
+		.chip_select = 0,
+		.controller_data = &staccel_chip_info,
+		.irq = PXA_GPIO_TO_IRQ(96),
+	}, {
+		.modalias = "cc2420",
+		.max_speed_hz = 6500000,
+		.bus_num = 3,
+		.chip_select = 0,
+		.controller_data = &cc2420_info,
+	},
+};
+
+static void sg2_udc_command(int cmd)
+{
+	switch (cmd) {
+	case PXA2XX_UDC_CMD_CONNECT:
+		UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
+		break;
+	case PXA2XX_UDC_CMD_DISCONNECT:
+		UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
+		break;
+	}
+}
+
+static struct i2c_pxa_platform_data i2c_pwr_pdata = {
+	.fast_mode = 1,
+};
+
+static struct i2c_pxa_platform_data i2c_pdata = {
+	.fast_mode = 1,
+};
+
+static void __init imote2_stargate2_init(void)
+{
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
+
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
+	pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
+	pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
+	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
+
+
+	pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
+	pxa_set_i2c_info(&i2c_pdata);
+}
+
+#ifdef CONFIG_MACH_INTELMOTE2
+/* As the the imote2 doesn't currently have a conventional SD slot
+ * there is no option to hotplug cards, making all this rather simple
+ */
+static int imote2_mci_get_ro(struct device *dev)
+{
+	return 0;
+}
+
+/* Rather simple case as hotplugging not possible */
+static struct pxamci_platform_data imote2_mci_platform_data = {
+	.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
+	.get_ro = imote2_mci_get_ro,
+};
+
+static struct gpio_led imote2_led_pins[] = {
+	{
+		.name       =  "imote2:red",
+		.gpio       = 103,
+		.active_low = 1,
+	}, {
+		.name       = "imote2:green",
+		.gpio       = 104,
+		.active_low = 1,
+	}, {
+		.name       = "imote2:blue",
+		.gpio       = 105,
+		.active_low = 1,
+	},
+};
+
+static struct gpio_led_platform_data imote2_led_data = {
+	.num_leds = ARRAY_SIZE(imote2_led_pins),
+	.leds     = imote2_led_pins,
+};
+
+static struct platform_device imote2_leds = {
+	.name = "leds-gpio",
+	.id   = -1,
+	.dev = {
+		.platform_data = &imote2_led_data,
+	},
+};
+
+static struct da903x_subdev_info imote2_da9030_subdevs[] = {
+	{
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO2,
+		.platform_data = &stargate2_ldo_init_data[vcc_bbio],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO3,
+		.platform_data = &stargate2_ldo_init_data[vcc_bb],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO4,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO5,
+		.platform_data = &stargate2_ldo_init_data[vcc_cc2420],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO6,
+		.platform_data = &stargate2_ldo_init_data[vcc_vref],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO7,
+		.platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO8,
+		.platform_data = &stargate2_ldo_init_data[vcc_mica],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO9,
+		.platform_data = &stargate2_ldo_init_data[vcc_bt],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO10,
+		.platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO11,
+		.platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO12,
+		.platform_data = &stargate2_ldo_init_data[vcc_lcd],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO15,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO17,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
+	}, {
+		.name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
+		.id = DA9030_ID_LDO18,
+		.platform_data = &stargate2_ldo_init_data[vcc_io],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO19,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
+	},
+};
+
+static struct da903x_platform_data imote2_da9030_pdata = {
+	.num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
+	.subdevs = imote2_da9030_subdevs,
+};
+
+static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
+	{
+		.type = "da9030",
+		.addr = 0x49,
+		.platform_data = &imote2_da9030_pdata,
+		.irq = PXA_GPIO_TO_IRQ(1),
+	},
+};
+
+static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
+	{ /* UCAM sensor board */
+		.type = "max1239",
+		.addr = 0x35,
+	}, { /* ITS400 Sensor board only */
+		.type = "max1363",
+		.addr = 0x34,
+		/* Through a nand gate - Also beware, on V2 sensor board the
+		 * pull up resistors are missing.
+		 */
+		.irq = PXA_GPIO_TO_IRQ(99),
+	}, { /* ITS400 Sensor board only */
+		.type = "tsl2561",
+		.addr = 0x49,
+		/* Through a nand gate - Also beware, on V2 sensor board the
+		 * pull up resistors are missing.
+		 */
+		.irq = PXA_GPIO_TO_IRQ(99),
+	}, { /* ITS400 Sensor board only */
+		.type = "tmp175",
+		.addr = 0x4A,
+		.irq = PXA_GPIO_TO_IRQ(96),
+	}, { /* IMB400 Multimedia board */
+		.type = "wm8940",
+		.addr = 0x1A,
+	},
+};
+
+static unsigned long imote2_pin_config[] __initdata = {
+
+	/* Button */
+	GPIO91_GPIO,
+
+	/* LEDS */
+	GPIO103_GPIO, /* red led */
+	GPIO104_GPIO, /* green led */
+	GPIO105_GPIO, /* blue led */
+};
+
+static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
+	.udc_command		= sg2_udc_command,
+};
+
+static struct platform_device imote2_audio_device = {
+	.name = "imote2-audio",
+	.id   = -1,
+};
+
+static struct platform_device *imote2_devices[] = {
+	&stargate2_flash_device,
+	&imote2_leds,
+	&sht15,
+	&imote2_audio_device,
+};
+
+static void __init imote2_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
+
+	imote2_stargate2_init();
+
+	gpiod_add_lookup_table(&sht15_gpiod_table);
+	platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
+
+	i2c_register_board_info(0, imote2_i2c_board_info,
+				ARRAY_SIZE(imote2_i2c_board_info));
+	i2c_register_board_info(1, imote2_pwr_i2c_board_info,
+				ARRAY_SIZE(imote2_pwr_i2c_board_info));
+
+	pxa_set_mci_info(&imote2_mci_platform_data);
+	pxa_set_udc_info(&imote2_udc_info);
+}
+#endif
+
+#ifdef CONFIG_MACH_STARGATE2
+
+static unsigned long stargate2_pin_config[] __initdata = {
+
+	GPIO15_nCS_1, /* SRAM */
+	/* SMC91x */
+	GPIO80_nCS_4,
+	GPIO40_GPIO, /*cable detect?*/
+
+	/* Button */
+	GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
+
+	/* Compact Flash */
+	GPIO79_PSKTSEL,
+	GPIO48_nPOE,
+	GPIO49_nPWE,
+	GPIO50_nPIOR,
+	GPIO51_nPIOW,
+	GPIO85_nPCE_1,
+	GPIO54_nPCE_2,
+	GPIO55_nPREG,
+	GPIO56_nPWAIT,
+	GPIO57_nIOIS16,
+	GPIO120_GPIO, /* Buff ctrl */
+	GPIO108_GPIO, /* Power ctrl */
+	GPIO82_GPIO, /* Reset */
+	GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
+
+	/* MMC not shared with imote2 */
+	GPIO90_GPIO, /* nSD detect */
+	GPIO89_GPIO, /* SD_POWER_ENABLE */
+
+	/* Bluetooth */
+	GPIO81_GPIO, /* reset */
+};
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.name = "smc91x-regs",
+		.start = (PXA_CS4_PHYS + 0x300),
+		.end = (PXA_CS4_PHYS + 0xfffff),
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = PXA_GPIO_TO_IRQ(40),
+		.end = PXA_GPIO_TO_IRQ(40),
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct smc91x_platdata stargate2_smc91x_info = {
+	.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
+	| SMC91X_NOWAIT | SMC91X_USE_DMA,
+	.pxa_u16_align4 = true,
+};
+
+static struct platform_device smc91x_device = {
+	.name = "smc91x",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(smc91x_resources),
+	.resource = smc91x_resources,
+	.dev = {
+		.platform_data = &stargate2_smc91x_info,
+	},
+};
+
+
+/*
+ * The card detect interrupt isn't debounced so we delay it by 250ms
+ * to give the card a chance to fully insert / eject.
+ */
+static int stargate2_mci_init(struct device *dev,
+			      irq_handler_t stargate2_detect_int,
+			      void *data)
+{
+	int err;
+
+	err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
+	if (err) {
+		printk(KERN_ERR "Can't get the gpio for SD power control");
+		goto return_err;
+	}
+	gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
+
+	err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
+	if (err) {
+		printk(KERN_ERR "Can't get the sd detect gpio");
+		goto free_power_en;
+	}
+	gpio_direction_input(SG2_GPIO_nSD_DETECT);
+
+	err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
+			  stargate2_detect_int,
+			  IRQ_TYPE_EDGE_BOTH,
+			  "MMC card detect",
+			  data);
+	if (err) {
+		printk(KERN_ERR "can't request MMC card detect IRQ\n");
+		goto free_nsd_detect;
+	}
+	return 0;
+
+ free_nsd_detect:
+	gpio_free(SG2_GPIO_nSD_DETECT);
+ free_power_en:
+	gpio_free(SG2_SD_POWER_ENABLE);
+ return_err:
+	return err;
+}
+
+/**
+ * stargate2_mci_setpower() - set state of mmc power supply
+ *
+ * Very simple control. Either it is on or off and is controlled by
+ * a gpio pin */
+static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
+{
+	gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
+	return 0;
+}
+
+static void stargate2_mci_exit(struct device *dev, void *data)
+{
+	free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
+	gpio_free(SG2_SD_POWER_ENABLE);
+	gpio_free(SG2_GPIO_nSD_DETECT);
+}
+
+static struct pxamci_platform_data stargate2_mci_platform_data = {
+	.detect_delay_ms = 250,
+	.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+	.init = stargate2_mci_init,
+	.setpower = stargate2_mci_setpower,
+	.exit = stargate2_mci_exit,
+};
+
+
+/*
+ * SRAM - The Stargate 2 has 32MB of SRAM.
+ *
+ * Here it is made available as an MTD. This will then
+ * typically have a cifs filesystem created on it to provide
+ * fast temporary storage.
+ */
+static struct resource sram_resources = {
+	.start = PXA_CS1_PHYS,
+	.end = PXA_CS1_PHYS + SZ_32M-1,
+	.flags = IORESOURCE_MEM,
+};
+
+static struct platdata_mtd_ram stargate2_sram_pdata = {
+	.mapname = "Stargate2 SRAM",
+	.bankwidth = 2,
+};
+
+static struct platform_device stargate2_sram = {
+	.name = "mtd-ram",
+	.id = 0,
+	.resource = &sram_resources,
+	.num_resources = 1,
+	.dev = {
+		.platform_data = &stargate2_sram_pdata,
+	},
+};
+
+static struct pcf857x_platform_data platform_data_pcf857x = {
+	.gpio_base = 128,
+	.n_latch = 0,
+	.setup = NULL,
+	.teardown = NULL,
+	.context = NULL,
+};
+
+static const struct property_entry pca9500_eeprom_properties[] = {
+	PROPERTY_ENTRY_U32("pagesize", 4),
+	{ }
+};
+
+/**
+ * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
+ **/
+static int stargate2_reset_bluetooth(void)
+{
+	int err;
+	err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
+	if (err) {
+		printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
+		return err;
+	}
+	gpio_direction_output(SG2_BT_RESET, 1);
+	mdelay(5);
+	/* now reset it - 5 msec minimum */
+	gpio_set_value(SG2_BT_RESET, 0);
+	mdelay(10);
+	gpio_set_value(SG2_BT_RESET, 1);
+	gpio_free(SG2_BT_RESET);
+	return 0;
+}
+
+static struct led_info stargate2_leds[] = {
+	{
+		.name = "sg2:red",
+		.flags = DA9030_LED_RATE_ON,
+	}, {
+		.name = "sg2:blue",
+		.flags = DA9030_LED_RATE_ON,
+	}, {
+		.name = "sg2:green",
+		.flags = DA9030_LED_RATE_ON,
+	},
+};
+
+static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
+	{
+		.name = "da903x-led",
+		.id = DA9030_ID_LED_2,
+		.platform_data = &stargate2_leds[0],
+	}, {
+		.name = "da903x-led",
+		.id = DA9030_ID_LED_3,
+		.platform_data = &stargate2_leds[2],
+	}, {
+		.name = "da903x-led",
+		.id = DA9030_ID_LED_4,
+		.platform_data = &stargate2_leds[1],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO2,
+		.platform_data = &stargate2_ldo_init_data[vcc_bbio],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO3,
+		.platform_data = &stargate2_ldo_init_data[vcc_bb],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO4,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO5,
+		.platform_data = &stargate2_ldo_init_data[vcc_cc2420],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO6,
+		.platform_data = &stargate2_ldo_init_data[vcc_vref],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO7,
+		.platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO8,
+		.platform_data = &stargate2_ldo_init_data[vcc_mica],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO9,
+		.platform_data = &stargate2_ldo_init_data[vcc_bt],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO10,
+		.platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO11,
+		.platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO12,
+		.platform_data = &stargate2_ldo_init_data[vcc_lcd],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO15,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO17,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
+	}, {
+		.name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
+		.id = DA9030_ID_LDO18,
+		.platform_data = &stargate2_ldo_init_data[vcc_io],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO19,
+		.platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
+	},
+};
+
+static struct da903x_platform_data stargate2_da9030_pdata = {
+	.num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
+	.subdevs = stargate2_da9030_subdevs,
+};
+
+static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
+	{
+		.type = "da9030",
+		.addr = 0x49,
+		.platform_data = &stargate2_da9030_pdata,
+		.irq = PXA_GPIO_TO_IRQ(1),
+	},
+};
+
+static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
+	/* Techically this a pca9500 - but it's compatible with the 8574
+	 * for gpio expansion and the 24c02 for eeprom access.
+	 */
+	{
+		.type = "pcf8574",
+		.addr =  0x27,
+		.platform_data = &platform_data_pcf857x,
+	}, {
+		.type = "24c02",
+		.addr = 0x57,
+		.properties = pca9500_eeprom_properties,
+	}, {
+		.type = "max1238",
+		.addr = 0x35,
+	}, { /* ITS400 Sensor board only */
+		.type = "max1363",
+		.addr = 0x34,
+		/* Through a nand gate - Also beware, on V2 sensor board the
+		 * pull up resistors are missing.
+		 */
+		.irq = PXA_GPIO_TO_IRQ(99),
+	}, { /* ITS400 Sensor board only */
+		.type = "tsl2561",
+		.addr = 0x49,
+		/* Through a nand gate - Also beware, on V2 sensor board the
+		 * pull up resistors are missing.
+		 */
+		.irq = PXA_GPIO_TO_IRQ(99),
+	}, { /* ITS400 Sensor board only */
+		.type = "tmp175",
+		.addr = 0x4A,
+		.irq = PXA_GPIO_TO_IRQ(96),
+	},
+};
+
+/* Board doesn't support cable detection - so always lie and say
+ * something is there.
+ */
+static int sg2_udc_detect(void)
+{
+	return 1;
+}
+
+static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
+	.udc_is_connected	= sg2_udc_detect,
+	.udc_command		= sg2_udc_command,
+};
+
+static struct platform_device *stargate2_devices[] = {
+	&stargate2_flash_device,
+	&stargate2_sram,
+	&smc91x_device,
+	&sht15,
+};
+
+static void __init stargate2_init(void)
+{
+	/* This is probably a board specific hack as this must be set
+	   prior to connecting the MFP stuff up. */
+	__raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
+
+	imote2_stargate2_init();
+
+	gpiod_add_lookup_table(&sht15_gpiod_table);
+	platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
+
+	i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
+	i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
+				ARRAY_SIZE(stargate2_pwr_i2c_board_info));
+
+	pxa_set_mci_info(&stargate2_mci_platform_data);
+
+	pxa_set_udc_info(&stargate2_udc_info);
+
+	stargate2_reset_bluetooth();
+}
+#endif
+
+#ifdef CONFIG_MACH_INTELMOTE2
+MACHINE_START(INTELMOTE2, "IMOTE 2")
+	.map_io		= pxa27x_map_io,
+	.nr_irqs	= PXA_NR_IRQS,
+	.init_irq	= pxa27x_init_irq,
+	.handle_irq	= pxa27x_handle_irq,
+	.init_time	= pxa_timer_init,
+	.init_machine	= imote2_init,
+	.atag_offset	= 0x100,
+	.restart	= pxa_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_STARGATE2
+MACHINE_START(STARGATE2, "Stargate 2")
+	.map_io = pxa27x_map_io,
+	.nr_irqs = STARGATE_NR_IRQS,
+	.init_irq = pxa27x_init_irq,
+	.handle_irq = pxa27x_handle_irq,
+	.init_time	= pxa_timer_init,
+	.init_machine = stargate2_init,
+	.atag_offset = 0x100,
+	.restart	= pxa_restart,
+MACHINE_END
+#endif