[ARM] pxa/em-x270: updates for 2.6.29

The patch includes the following updates to EM-X270:
- Added DA9030 support
- Added NOR flash support
- Added QCI with mt9m112 sensor support
- Updated LCD support

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 356 insertions, 15 deletions

diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index f5ed8038ede..1aaae97de7d 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -16,9 +16,16 @@
 #include <linux/rtc-v3020.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
 #include <linux/gpio.h>
+#include <linux/mfd/da903x.h>
+#include <linux/regulator/machine.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/tdo24m.h>
+
+#include <media/soc_camera.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -31,6 +38,9 @@
 #include <mach/ohci.h>
 #include <mach/mmc.h>
 #include <mach/pxa27x_keypad.h>
+#include <mach/i2c.h>
+#include <mach/camera.h>
+#include <mach/pxa2xx_spi.h>
 
 #include "generic.h"
 
@@ -44,6 +54,9 @@
 #define GPIO11_NAND_CS	(11)
 #define GPIO56_NAND_RB	(56)
 
+/* Miscelaneous GPIOs */
+#define GPIO93_CAM_RESET	(93)
+
 static unsigned long em_x270_pin_config[] = {
 	/* AC'97 */
 	GPIO28_AC97_BITCLK,
@@ -154,6 +167,7 @@ static unsigned long em_x270_pin_config[] = {
 
 	/* power controls */
 	GPIO20_GPIO	| MFP_LPM_DRIVE_LOW,	/* GPRS_PWEN */
+	GPIO93_GPIO	| MFP_LPM_DRIVE_LOW,	/* Camera reset */
 	GPIO115_GPIO	| MFP_LPM_DRIVE_LOW,	/* WLAN_PWEN */
 
 	/* NAND controls */
@@ -369,6 +383,61 @@ static void __init em_x270_init_nand(void)
 static inline void em_x270_init_nand(void) {}
 #endif
 
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition em_x270_nor_parts[] = {
+	{
+		.name =		"Bootloader",
+		.offset =	0x00000000,
+		.size =		0x00050000,
+		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+	}, {
+		.name =		"Environment",
+		.offset =	0x00050000,
+		.size =		0x00010000,
+	}, {
+		.name =		"Reserved",
+		.offset =	0x00060000,
+		.size =		0x00050000,
+		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+	}, {
+		.name =		"Splashscreen",
+		.offset =	0x000b0000,
+		.size =		0x00050000,
+	}
+};
+
+static struct physmap_flash_data em_x270_nor_data[] = {
+	[0] = {
+		.width = 2,
+		.parts = em_x270_nor_parts,
+		.nr_parts = ARRAY_SIZE(em_x270_nor_parts),
+	},
+};
+
+static struct resource em_x270_nor_flash_resource = {
+	.start	= PXA_CS0_PHYS,
+	.end	= PXA_CS0_PHYS + SZ_1M - 1,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct platform_device em_x270_physmap_flash = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= &em_x270_nor_flash_resource,
+	.dev		= {
+		.platform_data	= &em_x270_nor_data,
+	},
+};
+
+static void __init em_x270_init_nor(void)
+{
+	platform_device_register(&em_x270_physmap_flash);
+}
+#else
+static inline void em_x270_init_nor(void) {}
+#endif
+
 /* PXA27x OHCI controller setup */
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 static int em_x270_ohci_init(struct device *dev)
@@ -442,27 +511,43 @@ static void __init em_x270_init_mmc(void)
 static inline void em_x270_init_mmc(void) {}
 #endif
 
-/* LCD 480x640 */
+/* LCD */
 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
-static struct pxafb_mode_info em_x270_lcd_mode = {
-	.pixclock	= 50000,
-	.bpp		= 16,
-	.xres		= 480,
-	.yres		= 640,
-	.hsync_len	= 8,
-	.vsync_len	= 2,
-	.left_margin	= 8,
-	.upper_margin	= 0,
-	.right_margin	= 24,
-	.lower_margin	= 4,
-	.cmap_greyscale	= 0,
+static struct pxafb_mode_info em_x270_lcd_modes[] = {
+	[0] = {
+		.pixclock	= 38250,
+		.bpp		= 16,
+		.xres		= 480,
+		.yres		= 640,
+		.hsync_len	= 8,
+		.vsync_len	= 2,
+		.left_margin	= 8,
+		.upper_margin	= 2,
+		.right_margin	= 24,
+		.lower_margin	= 4,
+		.sync		= 0,
+	},
+	[1] = {
+		.pixclock       = 153800,
+		.bpp		= 16,
+		.xres		= 240,
+		.yres		= 320,
+		.hsync_len	= 8,
+		.vsync_len	= 2,
+		.left_margin	= 8,
+		.upper_margin	= 2,
+		.right_margin	= 88,
+		.lower_margin	= 2,
+		.sync		= 0,
+	},
 };
 
 static struct pxafb_mach_info em_x270_lcd = {
-	.modes		= &em_x270_lcd_mode,
-	.num_modes	= 1,
+	.modes		= em_x270_lcd_modes,
+	.num_modes	= 2,
 	.lcd_conn	= LCD_COLOR_TFT_16BPP,
 };
+
 static void __init em_x270_init_lcd(void)
 {
 	set_pxa_fb_info(&em_x270_lcd);
@@ -471,6 +556,40 @@ static void __init em_x270_init_lcd(void)
 static inline void em_x270_init_lcd(void) {}
 #endif
 
+#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
+static struct pxa2xx_spi_master em_x270_spi_info = {
+	.num_chipselect	= 1,
+};
+
+static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
+	.rx_threshold = 1,
+	.tx_threshold = 1,
+};
+
+static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
+	.model = TDO35S,
+};
+
+static struct spi_board_info em_x270_spi_devices[] __initdata = {
+	{
+		.modalias = "tdo24m",
+		.max_speed_hz = 1000000,
+		.bus_num = 1,
+		.chip_select = 0,
+		.controller_data = &em_x270_tdo24m_chip,
+		.platform_data = &em_x270_tdo24m_pdata,
+	},
+};
+
+static void __init em_x270_init_spi(void)
+{
+	pxa2xx_set_spi_info(1, &em_x270_spi_info);
+	spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
+}
+#else
+static inline void em_x270_init_spi(void) {}
+#endif
+
 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
 static void __init em_x270_init_ac97(void)
 {
@@ -535,19 +654,241 @@ static void __init em_x270_init_gpio_keys(void)
 static inline void em_x270_init_gpio_keys(void) {}
 #endif
 
+/* Quick Capture Interface and sensor setup */
+#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
+static struct regulator *em_x270_camera_ldo;
+
+static int em_x270_sensor_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO93_CAM_RESET, "camera reset");
+	if (ret)
+		return ret;
+
+	gpio_direction_output(GPIO93_CAM_RESET, 0);
+
+	em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
+	if (em_x270_camera_ldo == NULL) {
+		gpio_free(GPIO93_CAM_RESET);
+		return -ENODEV;
+	}
+
+	ret = regulator_enable(em_x270_camera_ldo);
+	if (ret) {
+		regulator_put(em_x270_camera_ldo);
+		gpio_free(GPIO93_CAM_RESET);
+		return ret;
+	}
+
+	gpio_set_value(GPIO93_CAM_RESET, 1);
+
+	return 0;
+}
+
+struct pxacamera_platform_data em_x270_camera_platform_data = {
+	.init	= em_x270_sensor_init,
+	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
+		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+	.mclk_10khz = 2600,
+};
+
+static int em_x270_sensor_power(struct device *dev, int on)
+{
+	int ret;
+	int is_on = regulator_is_enabled(em_x270_camera_ldo);
+
+	if (on == is_on)
+		return 0;
+
+	gpio_set_value(GPIO93_CAM_RESET, !on);
+
+	if (on)
+		ret = regulator_enable(em_x270_camera_ldo);
+	else
+		ret = regulator_disable(em_x270_camera_ldo);
+
+	if (ret)
+		return ret;
+
+	gpio_set_value(GPIO93_CAM_RESET, on);
+
+	return 0;
+}
+
+static struct soc_camera_link iclink = {
+	.bus_id	= 0,
+	.power = em_x270_sensor_power,
+};
+
+static struct i2c_board_info em_x270_i2c_cam_info[] = {
+	{
+		I2C_BOARD_INFO("mt9m111", 0x48),
+		.platform_data = &iclink,
+	},
+};
+
+static struct i2c_pxa_platform_data em_x270_i2c_info = {
+	.fast_mode = 1,
+};
+
+static void  __init em_x270_init_camera(void)
+{
+	pxa_set_i2c_info(&em_x270_i2c_info);
+	i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
+	pxa_set_camera_info(&em_x270_camera_platform_data);
+}
+#else
+static inline void em_x270_init_camera(void) {}
+#endif
+
+/* DA9030 related initializations */
+static struct regulator_consumer_supply ldo3_consumers[] = {
+	{
+		.dev = NULL,
+		.supply = "vcc gps",
+	},
+};
+
+static struct regulator_consumer_supply ldo5_consumers[] = {
+	{
+		.dev = NULL,
+		.supply = "vcc cam",
+	},
+};
+
+static struct regulator_consumer_supply ldo12_consumers[] = {
+	{
+		.dev = NULL,
+		.supply = "vcc usb",
+	},
+};
+
+static struct regulator_consumer_supply ldo19_consumers[] = {
+	{
+		.dev = NULL,
+		.supply = "vcc gprs",
+	},
+};
+
+static struct regulator_init_data ldo3_data = {
+	.constraints = {
+		.min_uV = 3200000,
+		.max_uV = 3200000,
+		.state_mem = {
+			.enabled = 0,
+		},
+	},
+	.num_consumer_supplies = ARRAY_SIZE(ldo3_consumers),
+	.consumer_supplies = ldo3_consumers,
+};
+
+static struct regulator_init_data ldo5_data = {
+	.constraints = {
+		.min_uV = 3000000,
+		.max_uV = 3000000,
+		.state_mem = {
+			.enabled = 0,
+		},
+	},
+	.num_consumer_supplies = ARRAY_SIZE(ldo5_consumers),
+	.consumer_supplies = ldo5_consumers,
+};
+
+static struct regulator_init_data ldo12_data = {
+	.constraints = {
+		.min_uV = 3000000,
+		.max_uV = 3000000,
+		.state_mem = {
+			.enabled = 0,
+		},
+	},
+	.num_consumer_supplies = ARRAY_SIZE(ldo12_consumers),
+	.consumer_supplies = ldo12_consumers,
+};
+
+static struct regulator_init_data ldo19_data = {
+	.constraints = {
+		.min_uV = 3200000,
+		.max_uV = 3200000,
+		.state_mem = {
+			.enabled = 0,
+		},
+	},
+	.num_consumer_supplies = ARRAY_SIZE(ldo19_consumers),
+	.consumer_supplies = ldo19_consumers,
+};
+
+struct led_info em_x270_led_info = {
+	.name = "em-x270:orange",
+	.default_trigger = "battery-charging-or-full",
+};
+
+struct da903x_subdev_info em_x270_da9030_subdevs[] = {
+	{
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO3,
+		.platform_data = &ldo3_data,
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO5,
+		.platform_data = &ldo5_data,
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO12,
+		.platform_data = &ldo12_data,
+	}, {
+		.name = "da903x-regulator",
+		.id = DA9030_ID_LDO19,
+		.platform_data = &ldo19_data,
+	}, {
+		.name = "da903x-led",
+		.id = DA9030_ID_LED_PC,
+		.platform_data = &em_x270_led_info,
+	}, {
+		.name = "da903x-backlight",
+		.id = DA9030_ID_WLED,
+	}
+};
+
+static struct da903x_platform_data em_x270_da9030_info = {
+	.num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
+	.subdevs = em_x270_da9030_subdevs,
+};
+
+static struct i2c_board_info em_x270_i2c_pmic_info = {
+	I2C_BOARD_INFO("da9030", 0x49),
+	.irq = IRQ_GPIO(0),
+	.platform_data = &em_x270_da9030_info,
+};
+
+static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
+	.use_pio = 1,
+};
+
+static void __init em_x270_init_da9030(void)
+{
+	pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
+	i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
+}
+
 static void __init em_x270_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
 
+	em_x270_init_da9030();
 	em_x270_init_dm9000();
 	em_x270_init_rtc();
 	em_x270_init_nand();
+	em_x270_init_nor();
 	em_x270_init_lcd();
 	em_x270_init_mmc();
 	em_x270_init_ohci();
 	em_x270_init_keypad();
 	em_x270_init_gpio_keys();
 	em_x270_init_ac97();
+	em_x270_init_camera();
+	em_x270_init_spi();
 }
 
 MACHINE_START(EM_X270, "Compulab EM-X270")