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-rw-r--r--arch/arm/mach-pxa/stargate2.c1026
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
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