Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel

Conflicts:

	arch/arm/mach-pxa/am200epd.c
	arch/arm/mach-pxa/ezx.c

1 files changed, 575 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/imote2.c b/arch/arm/mach-pxa/imote2.c
new file mode 100644
index 000000000000..364c5e271330
--- /dev/null
+++ b/arch/arm/mach-pxa/imote2.c
@@ -0,0 +1,575 @@
+/*
+ * linux/arch/arm/mach-pxa/imote2.c
+ *
+ * Author:	Ed C. Epp
+ * Created:	Nov 05, 2002
+ * Copyright:	Intel Corp.
+ *
+ * Modified 2008:  Jonathan Cameron
+ *
+ * The Imote2 is a wireless sensor node platform sold
+ * by Crossbow (www.xbow.com).
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
+#include <linux/i2c.h>
+#include <linux/mfd/da903x.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/i2c.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-regs.h>
+#include <mach/mfp-pxa27x.h>
+#include <mach/regs-ssp.h>
+#include <mach/udc.h>
+#include <mach/mmc.h>
+#include <mach/pxa2xx_spi.h>
+#include <mach/pxa27x-udc.h>
+
+#include "devices.h"
+#include "generic.h"
+
+static unsigned long imote2_pin_config[] __initdata = {
+
+	/* Device Identification for wakeup*/
+	GPIO102_GPIO,
+
+	/* Button */
+	GPIO91_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 */
+	GPIO39_GPIO,			/* CSn */
+	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 */
+	GPIO37_GPIO,			/* Chip Select */
+	GPIO36_SSP2_SCLK,
+	GPIO38_SSP2_TXD,
+	GPIO11_SSP2_RXD,
+
+	/* 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 Serial console via debug board*/
+	GPIO46_STUART_RXD,
+	GPIO47_STUART_TXD,
+
+	/* 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 */
+
+	/* LEDS */
+	GPIO103_GPIO, /* red led */
+	GPIO104_GPIO, /* green led */
+	GPIO105_GPIO, /* blue led */
+};
+
+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,
+	},
+};
+
+/* Reverse engineered partly from Platformx drivers */
+enum imote2_ldos{
+	vcc_vref,
+	vcc_cc2420,
+	vcc_mica,
+	vcc_bt,
+	/* The two voltages available to sensor boards */
+	vcc_sensor_1_8,
+	vcc_sensor_3,
+
+	vcc_sram_ext, /* directly connected to the pxa271 */
+	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,
+	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
+ * but as of yet they haven't been forthcoming.
+ *
+ * Some of these are clearly Stargate 2 related (no way of plugging
+ * in an lcd on the IM2 for example!).
+ */
+static struct regulator_init_data imote2_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,
+		},
+	},
+	[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 da903x_subdev_info imote2_da9030_subdevs[] = {
+	{
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO2,
+		.platform_data = &imote2_ldo_init_data[vcc_bbio],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO3,
+		.platform_data = &imote2_ldo_init_data[vcc_bb],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO4,
+		.platform_data = &imote2_ldo_init_data[vcc_pxa_flash],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO5,
+		.platform_data = &imote2_ldo_init_data[vcc_cc2420],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO6,
+		.platform_data = &imote2_ldo_init_data[vcc_vref],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO7,
+		.platform_data = &imote2_ldo_init_data[vcc_sram_ext],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO8,
+		.platform_data = &imote2_ldo_init_data[vcc_mica],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO9,
+		.platform_data = &imote2_ldo_init_data[vcc_bt],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO10,
+		.platform_data = &imote2_ldo_init_data[vcc_sensor_1_8],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO11,
+		.platform_data = &imote2_ldo_init_data[vcc_sensor_3],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO12,
+		.platform_data = &imote2_ldo_init_data[vcc_lcd],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO15,
+		.platform_data = &imote2_ldo_init_data[vcc_pxa_pll],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO17,
+		.platform_data = &imote2_ldo_init_data[vcc_pxa_usim],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO18,
+		.platform_data = &imote2_ldo_init_data[vcc_io],
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO19,
+		.platform_data = &imote2_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,
+};
+
+/* 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 mtd_partition imote2flash_partitions[] = {
+	{
+		.name = "Bootloader",
+		.size = 0x00040000,
+		.offset = 0,
+		.mask_flags = MTD_WRITEABLE,
+	}, {
+		.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 imote2_flash_data = {
+	.map_name = "cfi_probe",
+	.parts = imote2flash_partitions,
+	.nr_parts = ARRAY_SIZE(imote2flash_partitions),
+	.name = "PXA27xOnChipROM",
+	.width = 2,
+};
+
+static struct platform_device imote2_flash_device = {
+	.name = "pxa2xx-flash",
+	.id = 0,
+	.dev = {
+		.platform_data = &imote2_flash_data,
+	},
+	.resource = &flash_resources,
+	.num_resources = 1,
+};
+
+/* Some of the drivers here are out of kernel at the moment (parts of IIO)
+ * and it may be a while before they are in the mainline.
+ */
+static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
+	{ /* UCAM sensor board */
+		.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 = IRQ_GPIO(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 = IRQ_GPIO(99),
+	}, { /* ITS400 Sensor board only */
+		.type = "tmp175",
+		.addr = 0x4A,
+		.irq = IRQ_GPIO(96),
+	},
+};
+
+static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
+	{
+		.type = "da9030",
+		.addr = 0x49,
+		.platform_data = &imote2_da9030_pdata,
+		.irq = gpio_to_irq(1),
+	},
+};
+
+static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
+	.num_chipselect = 1,
+};
+
+static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
+	.num_chipselect = 1,
+};
+
+static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
+	.num_chipselect = 1,
+};
+
+/* Patch posted by Eric Miao <eric.miao@marvell.com> will remove
+ * the need for these functions.
+ */
+static void spi1control(u32 command)
+{
+	gpio_set_value(24, command & PXA2XX_CS_ASSERT ? 0 : 1);
+};
+
+static void spi3control(u32 command)
+{
+	gpio_set_value(39, command & PXA2XX_CS_ASSERT ? 0 : 1);
+};
+
+static struct pxa2xx_spi_chip staccel_chip_info = {
+	.tx_threshold = 8,
+	.rx_threshold = 8,
+	.dma_burst_size = 8,
+	.timeout = 235,
+	.cs_control = spi1control,
+};
+
+static struct pxa2xx_spi_chip cc2420_info = {
+	.tx_threshold = 8,
+	.rx_threshold = 8,
+	.dma_burst_size = 8,
+	.timeout = 235,
+	.cs_control = spi3control,
+};
+
+static struct spi_board_info spi_board_info[] __initdata = {
+	{ /* Driver in IIO */
+		.modalias = "lis3l02dq",
+		.max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
+		.bus_num = 1,
+		.chip_select = 0,
+		.controller_data = &staccel_chip_info,
+		.irq = IRQ_GPIO(96),
+	}, { /* Driver out of kernel as it needs considerable rewriting */
+		.modalias = "cc2420",
+		.max_speed_hz = 6500000,
+		.bus_num = 3,
+		.chip_select = 0,
+		.controller_data = &cc2420_info,
+	},
+};
+
+static void im2_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 pxa2xx_udc_mach_info imote2_udc_info __initdata = {
+	.udc_command		= im2_udc_command,
+};
+
+static struct platform_device *imote2_devices[] = {
+	&imote2_flash_device,
+	&imote2_leds,
+};
+
+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_init(void)
+{
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
+	/* SPI chip select directions - all other directions should
+	 * be handled by drivers.*/
+	gpio_direction_output(37, 0);
+	gpio_direction_output(24, 0);
+	gpio_direction_output(39, 0);
+
+	platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
+
+	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));
+
+	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));
+
+	pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
+	pxa_set_i2c_info(&i2c_pdata);
+
+	pxa_set_mci_info(&imote2_mci_platform_data);
+	pxa_set_udc_info(&imote2_udc_info);
+}
+
+MACHINE_START(INTELMOTE2, "IMOTE 2")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= imote2_init,
+	.boot_params	= 0xA0000100,
+MACHINE_END