diff options
Diffstat (limited to 'arch/arm/mach-pxa/spitz.c')
| -rw-r--r-- | arch/arm/mach-pxa/spitz.c | 1174 |
1 files changed, 1174 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c new file mode 100644 index 000000000..5eaf38243 --- /dev/null +++ b/arch/arm/mach-pxa/spitz.c @@ -0,0 +1,1174 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Support for Sharp SL-Cxx00 Series of PDAs + * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) + * + * Copyright (c) 2005 Richard Purdie + * + * Based on Sharp's 2.4 kernel patches/lubbock.c + */ + +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio_keys.h> +#include <linux/gpio/legacy.h> +#include <linux/gpio/machine.h> +#include <linux/gpio/property.h> +#include <linux/leds.h> +#include <linux/i2c.h> +#include <linux/platform_data/i2c-pxa.h> +#include <linux/platform_data/pca953x.h> +#include <linux/property.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/spi/corgi_lcd.h> +#include <linux/mtd/sharpsl.h> +#include <linux/mtd/physmap.h> +#include <linux/input-event-codes.h> +#include <linux/input/matrix_keypad.h> +#include <linux/regulator/machine.h> +#include <linux/io.h> +#include <linux/property.h> +#include <linux/reboot.h> +#include <linux/memblock.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/sharpsl_param.h> +#include <asm/hardware/scoop.h> + +#include "pxa27x.h" +#include "pxa27x-udc.h" +#include "reset.h" +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/video-pxafb.h> +#include "spitz.h" +#include "sharpsl_pm.h" +#include "smemc.h" + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long spitz_pin_config[] __initdata = { + /* Chip Selects */ + GPIO78_nCS_2, /* SCOOP #2 */ + GPIO79_nCS_3, /* NAND */ + GPIO80_nCS_4, /* SCOOP #1 */ + + /* LCD - 16bpp Active TFT */ + GPIOxx_LCD_TFT_16BPP, + + /* PC Card */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + GPIO104_PSKTSEL, + + /* I2S */ + GPIO28_I2S_BITCLK_OUT, + GPIO29_I2S_SDATA_IN, + GPIO30_I2S_SDATA_OUT, + GPIO31_I2S_SYNC, + + /* MMC */ + GPIO32_MMC_CLK, + GPIO112_MMC_CMD, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + + /* GPIOs */ + GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */ + GPIO16_GPIO, /* SPITZ_GPIO_SYNC */ + GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */ + GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */ + GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */ + GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */ + GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */ + GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */ + GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */ + GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */ + + /* GPIO matrix keypad */ + GPIO88_GPIO, /* column 0 */ + GPIO23_GPIO, /* column 1 */ + GPIO24_GPIO, /* column 2 */ + GPIO25_GPIO, /* column 3 */ + GPIO26_GPIO, /* column 4 */ + GPIO27_GPIO, /* column 5 */ + GPIO52_GPIO, /* column 6 */ + GPIO103_GPIO, /* column 7 */ + GPIO107_GPIO, /* column 8 */ + GPIO108_GPIO, /* column 9 */ + GPIO114_GPIO, /* column 10 */ + GPIO12_GPIO, /* row 0 */ + GPIO17_GPIO, /* row 1 */ + GPIO91_GPIO, /* row 2 */ + GPIO34_GPIO, /* row 3 */ + GPIO36_GPIO, /* row 4 */ + GPIO38_GPIO, /* row 5 */ + GPIO39_GPIO, /* row 6 */ + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* SPITZ_GPIO_KEY_INT */ + GPIO1_GPIO | WAKEUP_ON_EDGE_FALL, /* SPITZ_GPIO_RESET */ +}; + +static const struct software_node spitz_scoop_1_gpiochip_node = { + .name = "sharp-scoop.0", +}; + +/* Only on Spitz */ +static const struct software_node spitz_scoop_2_gpiochip_node = { + .name = "sharp-scoop.1", +}; + +/* Only on Akita */ +static const struct software_node akita_max7310_gpiochip_node = { + .name = "i2c-max7310", +}; + +/****************************************************************************** + * Scoop GPIO expander + ******************************************************************************/ +#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE) +/* SCOOP Device #1 */ +static struct resource spitz_scoop_1_resources[] = { + [0] = { + .start = 0x10800000, + .end = 0x10800fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct scoop_config spitz_scoop_1_setup = { + .io_dir = SPITZ_SCP_IO_DIR, + .io_out = SPITZ_SCP_IO_OUT, + .suspend_clr = SPITZ_SCP_SUS_CLR, + .suspend_set = SPITZ_SCP_SUS_SET, + .gpio_base = SPITZ_SCP_GPIO_BASE, +}; + +static struct platform_device spitz_scoop_1_device = { + .name = "sharp-scoop", + .id = 0, + .dev = { + .platform_data = &spitz_scoop_1_setup, + }, + .num_resources = ARRAY_SIZE(spitz_scoop_1_resources), + .resource = spitz_scoop_1_resources, +}; + +/* SCOOP Device #2 */ +static struct resource spitz_scoop_2_resources[] = { + [0] = { + .start = 0x08800040, + .end = 0x08800fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct scoop_config spitz_scoop_2_setup = { + .io_dir = SPITZ_SCP2_IO_DIR, + .io_out = SPITZ_SCP2_IO_OUT, + .suspend_clr = SPITZ_SCP2_SUS_CLR, + .suspend_set = SPITZ_SCP2_SUS_SET, + .gpio_base = SPITZ_SCP2_GPIO_BASE, +}; + +static struct platform_device spitz_scoop_2_device = { + .name = "sharp-scoop", + .id = 1, + .dev = { + .platform_data = &spitz_scoop_2_setup, + }, + .num_resources = ARRAY_SIZE(spitz_scoop_2_resources), + .resource = spitz_scoop_2_resources, +}; + +static void __init spitz_scoop_init(void) +{ + spitz_scoop_1_device.dev.fwnode = software_node_fwnode(&spitz_scoop_1_gpiochip_node); + platform_device_register(&spitz_scoop_1_device); + + /* Akita doesn't have the second SCOOP chip */ + if (!machine_is_akita()) { + spitz_scoop_2_device.dev.fwnode = software_node_fwnode( + &spitz_scoop_2_gpiochip_node); + platform_device_register(&spitz_scoop_2_device); + } +} + +/* Power control is shared with between one of the CF slots and SD */ +static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) +{ + unsigned short cpr; + unsigned long flags; + + if (new_cpr & 0x7) { + gpio_set_value(SPITZ_GPIO_CF_POWER, 1); + mdelay(5); + } + + local_irq_save(flags); + + cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR); + + if (enable & new_cpr) + cpr |= new_cpr; + else + cpr &= ~enable; + + write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr); + + local_irq_restore(flags); + + if (!(cpr & 0x7)) { + mdelay(1); + gpio_set_value(SPITZ_GPIO_CF_POWER, 0); + } +} + +#else +static inline void spitz_scoop_init(void) {} +static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {} +#endif + +/****************************************************************************** + * PCMCIA + ******************************************************************************/ +#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) +static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr) +{ + /* Only need to override behaviour for slot 0 */ + if (nr == 0) + spitz_card_pwr_ctrl( + cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr); + else + write_scoop_reg(scoop, SCOOP_CPR, cpr); +} + +static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { + { + .dev = &spitz_scoop_1_device.dev, + .irq = SPITZ_IRQ_GPIO_CF_IRQ, + .cd_irq = SPITZ_IRQ_GPIO_CF_CD, + .cd_irq_str = "PCMCIA0 CD", + }, { + .dev = &spitz_scoop_2_device.dev, + .irq = SPITZ_IRQ_GPIO_CF2_IRQ, + .cd_irq = -1, + }, +}; + +static struct scoop_pcmcia_config spitz_pcmcia_config = { + .devs = &spitz_pcmcia_scoop[0], + .num_devs = 2, + .power_ctrl = spitz_pcmcia_pwr, +}; + +static void __init spitz_pcmcia_init(void) +{ + /* Akita has only one PCMCIA slot used */ + if (machine_is_akita()) + spitz_pcmcia_config.num_devs = 1; + + platform_scoop_config = &spitz_pcmcia_config; +} +#else +static inline void spitz_pcmcia_init(void) {} +#endif + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) + +#define SPITZ_KEY_CALENDAR KEY_F1 +#define SPITZ_KEY_ADDRESS KEY_F2 +#define SPITZ_KEY_FN KEY_F3 +#define SPITZ_KEY_CANCEL KEY_F4 +#define SPITZ_KEY_EXOK KEY_F5 +#define SPITZ_KEY_EXCANCEL KEY_F6 +#define SPITZ_KEY_EXJOGDOWN KEY_F7 +#define SPITZ_KEY_EXJOGUP KEY_F8 +#define SPITZ_KEY_JAP1 KEY_LEFTALT +#define SPITZ_KEY_JAP2 KEY_RIGHTCTRL +#define SPITZ_KEY_SYNC KEY_F9 +#define SPITZ_KEY_MAIL KEY_F10 +#define SPITZ_KEY_OK KEY_F11 +#define SPITZ_KEY_MENU KEY_F12 + +static const uint32_t spitz_keymap[] = { + KEY(0, 0, KEY_LEFTCTRL), + KEY(0, 1, KEY_1), + KEY(0, 2, KEY_3), + KEY(0, 3, KEY_5), + KEY(0, 4, KEY_6), + KEY(0, 5, KEY_7), + KEY(0, 6, KEY_9), + KEY(0, 7, KEY_0), + KEY(0, 8, KEY_BACKSPACE), + KEY(0, 9, SPITZ_KEY_EXOK), /* EXOK */ + KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */ + KEY(1, 1, KEY_2), + KEY(1, 2, KEY_4), + KEY(1, 3, KEY_R), + KEY(1, 4, KEY_Y), + KEY(1, 5, KEY_8), + KEY(1, 6, KEY_I), + KEY(1, 7, KEY_O), + KEY(1, 8, KEY_P), + KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */ + KEY(1, 10, SPITZ_KEY_EXJOGUP), /* EXJOGUP */ + KEY(2, 0, KEY_TAB), + KEY(2, 1, KEY_Q), + KEY(2, 2, KEY_E), + KEY(2, 3, KEY_T), + KEY(2, 4, KEY_G), + KEY(2, 5, KEY_U), + KEY(2, 6, KEY_J), + KEY(2, 7, KEY_K), + KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */ + KEY(3, 1, KEY_W), + KEY(3, 2, KEY_S), + KEY(3, 3, KEY_F), + KEY(3, 4, KEY_V), + KEY(3, 5, KEY_H), + KEY(3, 6, KEY_M), + KEY(3, 7, KEY_L), + KEY(3, 9, KEY_RIGHTSHIFT), + KEY(4, 0, SPITZ_KEY_CALENDAR), /* CALENDAR */ + KEY(4, 1, KEY_A), + KEY(4, 2, KEY_D), + KEY(4, 3, KEY_C), + KEY(4, 4, KEY_B), + KEY(4, 5, KEY_N), + KEY(4, 6, KEY_DOT), + KEY(4, 8, KEY_ENTER), + KEY(4, 9, KEY_LEFTSHIFT), + KEY(5, 0, SPITZ_KEY_MAIL), /* MAIL */ + KEY(5, 1, KEY_Z), + KEY(5, 2, KEY_X), + KEY(5, 3, KEY_MINUS), + KEY(5, 4, KEY_SPACE), + KEY(5, 5, KEY_COMMA), + KEY(5, 7, KEY_UP), + KEY(5, 10, SPITZ_KEY_FN), /* FN */ + KEY(6, 0, KEY_SYSRQ), + KEY(6, 1, SPITZ_KEY_JAP1), /* JAP1 */ + KEY(6, 2, SPITZ_KEY_JAP2), /* JAP2 */ + KEY(6, 3, SPITZ_KEY_CANCEL), /* CANCEL */ + KEY(6, 4, SPITZ_KEY_OK), /* OK */ + KEY(6, 5, SPITZ_KEY_MENU), /* MENU */ + KEY(6, 6, KEY_LEFT), + KEY(6, 7, KEY_DOWN), + KEY(6, 8, KEY_RIGHT), +}; + +static const struct software_node_ref_args spitz_mkp_row_gpios[] = { + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 12, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 17, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 91, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 34, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 36, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 38, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 39, GPIO_ACTIVE_HIGH), +}; + +static const struct software_node_ref_args spitz_mkp_col_gpios[] = { + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 88, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 23, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 24, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 25, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 26, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 27, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 52, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 103, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 107, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 108, GPIO_ACTIVE_HIGH), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, 114, GPIO_ACTIVE_HIGH), +}; + +static const struct property_entry spitz_mkp_properties[] = { + PROPERTY_ENTRY_U32_ARRAY("linux,keymap", spitz_keymap), + PROPERTY_ENTRY_REF_ARRAY("row-gpios", spitz_mkp_row_gpios), + PROPERTY_ENTRY_REF_ARRAY("col-gpios", spitz_mkp_col_gpios), + PROPERTY_ENTRY_U32("col-scan-delay-us", 10), + PROPERTY_ENTRY_U32("debounce-delay-ms", 10), + PROPERTY_ENTRY_BOOL("wakeup-source"), + { } +}; + +static const struct platform_device_info spitz_mkp_info __initconst = { + .name = "matrix-keypad", + .id = PLATFORM_DEVID_NONE, + .properties = spitz_mkp_properties, +}; + + +static void __init spitz_mkp_init(void) +{ + struct platform_device *pd; + int err; + + pd = platform_device_register_full(&spitz_mkp_info); + err = PTR_ERR_OR_ZERO(pd); + if (err) + pr_err("failed to create keypad device: %d\n", err); +} +#else +static inline void spitz_mkp_init(void) {} +#endif + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static const struct software_node spitz_gpio_keys_node = { + .name = "spitz-gpio-keys", +}; + +static const struct property_entry spitz_suspend_key_props[] = { + PROPERTY_ENTRY_U32("linux,input-type", EV_PWR), + PROPERTY_ENTRY_U32("linux,code", KEY_SUSPEND), + PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_ON_KEY, GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_STRING("label", "On Off"), + PROPERTY_ENTRY_BOOL("wakeup-source"), + { } +}; + +static const struct software_node spitz_suspend_key_node = { + .parent = &spitz_gpio_keys_node, + .properties = spitz_suspend_key_props, +}; + +static const struct property_entry spitz_sw1_props[] = { + PROPERTY_ENTRY_U32("linux,input-type", EV_SW), + PROPERTY_ENTRY_U32("linux,code", 0), + PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_SWA, GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_STRING("label", "Display Down"), + { } +}; + +static const struct software_node spitz_sw1_node = { + .parent = &spitz_gpio_keys_node, + .properties = spitz_sw1_props, +}; + +static const struct property_entry spitz_sw2_props[] = { + PROPERTY_ENTRY_U32("linux,input-type", EV_SW), + PROPERTY_ENTRY_U32("linux,code", 1), + PROPERTY_ENTRY_GPIO("gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_SWB, GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_STRING("label", "Lid Closed"), + { } +}; + +static const struct software_node spitz_sw2_node = { + .parent = &spitz_gpio_keys_node, + .properties = spitz_sw2_props, +}; + +static const struct software_node *spitz_gpio_keys_swnodes[] = { + &spitz_gpio_keys_node, + &spitz_suspend_key_node, + &spitz_sw1_node, + &spitz_sw2_node, + NULL +}; + +static void __init spitz_keys_init(void) +{ + struct platform_device_info keys_info = { + .name = "gpio-keys", + .id = PLATFORM_DEVID_NONE, + }; + struct platform_device *pd; + int err; + + err = software_node_register_node_group(spitz_gpio_keys_swnodes); + if (err) { + pr_err("failed to register gpio-keys software nodes: %d\n", err); + return; + } + + keys_info.fwnode = software_node_fwnode(&spitz_gpio_keys_node); + + pd = platform_device_register_full(&keys_info); + err = PTR_ERR_OR_ZERO(pd); + if (err) + pr_err("failed to create gpio-keys device: %d\n", err); +} +#else +static inline void spitz_keys_init(void) {} +#endif + +/****************************************************************************** + * LEDs + ******************************************************************************/ +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static const struct software_node spitz_gpio_leds_node = { + .name = "spitz-leds", +}; + +static const struct property_entry spitz_orange_led_props[] = { + PROPERTY_ENTRY_STRING("linux,default-trigger", "sharpsl-charge"), + PROPERTY_ENTRY_GPIO("gpios", + &spitz_scoop_1_gpiochip_node, 6, GPIO_ACTIVE_HIGH), + { } +}; + +static const struct software_node spitz_orange_led_node = { + .name = "spitz:amber:charge", + .parent = &spitz_gpio_leds_node, + .properties = spitz_orange_led_props, +}; + +static const struct property_entry spitz_green_led_props[] = { + PROPERTY_ENTRY_STRING("linux,default-trigger", "disk-activity"), + PROPERTY_ENTRY_GPIO("gpios", + &spitz_scoop_1_gpiochip_node, 0, GPIO_ACTIVE_HIGH), + { } +}; + +static const struct software_node spitz_green_led_node = { + .name = "spitz:green:hddactivity", + .parent = &spitz_gpio_leds_node, + .properties = spitz_green_led_props, +}; + +static const struct software_node *spitz_gpio_leds_swnodes[] = { + &spitz_gpio_leds_node, + &spitz_orange_led_node, + &spitz_green_led_node, + NULL +}; + +static void __init spitz_leds_init(void) +{ + struct platform_device_info led_info = { + .name = "leds-gpio", + .id = PLATFORM_DEVID_NONE, + }; + struct platform_device *led_dev; + int err; + + err = software_node_register_node_group(spitz_gpio_leds_swnodes); + if (err) { + pr_err("failed to register LED software nodes: %d\n", err); + return; + } + + led_info.fwnode = software_node_fwnode(&spitz_gpio_leds_node); + + led_dev = platform_device_register_full(&led_info); + err = PTR_ERR_OR_ZERO(led_dev); + if (err) + pr_err("failed to create LED device: %d\n", err); +} +#else +static inline void spitz_leds_init(void) {} +#endif + +/****************************************************************************** + * SSP Devices + ******************************************************************************/ +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) + +static const struct property_entry spitz_ads7846_props[] = { + PROPERTY_ENTRY_STRING("compatible", "ti,ads7846"), + PROPERTY_ENTRY_U32("touchscreen-max-pressure", 1024), + PROPERTY_ENTRY_U16("ti,x-plate-ohms", 419), + PROPERTY_ENTRY_U16("ti,y-plate-ohms", 486), + PROPERTY_ENTRY_U16("ti,vref-delay-usecs", 100), + PROPERTY_ENTRY_GPIO("pendown-gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_TP_INT, GPIO_ACTIVE_LOW), + PROPERTY_ENTRY_GPIO("ti,hsync-gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_HSYNC, GPIO_ACTIVE_LOW), + { } +}; + +static const struct software_node spitz_ads7846_swnode = { + .name = "ads7846", + .properties = spitz_ads7846_props, +}; + +static const struct property_entry spitz_lcdcon_props[] = { + PROPERTY_ENTRY_GPIO("BL_CONT-gpios", + &spitz_scoop_2_gpiochip_node, 6, GPIO_ACTIVE_LOW), + PROPERTY_ENTRY_GPIO("BL_ON-gpios", + &spitz_scoop_2_gpiochip_node, 7, GPIO_ACTIVE_HIGH), + { } +}; + +static const struct property_entry akita_lcdcon_props[] = { + PROPERTY_ENTRY_GPIO("BL_ON-gpios", + &akita_max7310_gpiochip_node, 3, GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_GPIO("BL_CONT-gpios", + &akita_max7310_gpiochip_node, 4, GPIO_ACTIVE_LOW), + { } +}; + +static struct software_node spitz_lcdcon_node = { + .name = "spitz-lcdcon", +}; + +static struct corgi_lcd_platform_data spitz_lcdcon_info = { + .init_mode = CORGI_LCD_MODE_VGA, + .max_intensity = 0x2f, + .default_intensity = 0x1f, + .limit_mask = 0x0b, + .kick_battery = sharpsl_battery_kick, +}; + +static struct spi_board_info spitz_spi_devices[] = { + { + .modalias = "ads7846", + .max_speed_hz = 1200000, + .bus_num = 2, + .chip_select = 0, + .swnode = &spitz_ads7846_swnode, + .irq = PXA_GPIO_TO_IRQ(SPITZ_GPIO_TP_INT), + }, { + .modalias = "corgi-lcd", + .max_speed_hz = 50000, + .bus_num = 2, + .chip_select = 1, + .platform_data = &spitz_lcdcon_info, + .swnode = &spitz_lcdcon_node, + }, { + .modalias = "max1111", + .max_speed_hz = 450000, + .bus_num = 2, + .chip_select = 2, + }, +}; + +static const struct software_node_ref_args spitz_spi_gpio_refs[] = { + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_ADS7846_CS, + GPIO_ACTIVE_LOW), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_LCDCON_CS, + GPIO_ACTIVE_LOW), + SOFTWARE_NODE_REFERENCE(&pxa2xx_gpiochip_node, SPITZ_GPIO_MAX1111_CS, + GPIO_ACTIVE_LOW), +}; + +static const struct property_entry spitz_spi_properties[] = { + PROPERTY_ENTRY_REF_ARRAY("gpios", spitz_spi_gpio_refs), + { } +}; + +static const struct platform_device_info spitz_spi_device_info = { + .name = "pxa2xx-spi", + /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1 */ + .id = 2, + .properties = spitz_spi_properties, +}; + +static void __init spitz_spi_init(void) +{ + struct platform_device *pd; + int err; + + pd = platform_device_register_full(&spitz_spi_device_info); + err = PTR_ERR_OR_ZERO(pd); + if (err) + pr_err("pxa2xx-spi: failed to instantiate SPI controller: %d\n", + err); + + spitz_lcdcon_node.properties = machine_is_akita() ? + akita_lcdcon_props : spitz_lcdcon_props; + spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); +} +#else +static inline void spitz_spi_init(void) {} +#endif + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +/* + * NOTE: 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 spitz_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data* p_d = dev->platform_data; + + if ((1 << vdd) & p_d->ocr_mask) + spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V); + else + spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0); + + return 0; +} + +static struct pxamci_platform_data spitz_mci_platform_data = { + .detect_delay_ms = 250, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .setpower = spitz_mci_setpower, +}; + +static const struct property_entry spitz_mci_props[] __initconst = { + PROPERTY_ENTRY_GPIO("cd-gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_nSD_DETECT, GPIO_ACTIVE_LOW), + PROPERTY_ENTRY_GPIO("wp-gpios", &pxa2xx_gpiochip_node, + SPITZ_GPIO_nSD_WP, GPIO_ACTIVE_LOW), + { } +}; + +static void __init spitz_mmc_init(void) +{ + pxa_set_mci_info(&spitz_mci_platform_data, spitz_mci_props); +} +#else +static inline void spitz_mmc_init(void) {} +#endif + +/****************************************************************************** + * USB Host + ******************************************************************************/ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static int spitz_ohci_init(struct device *dev) +{ + int err; + + err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); + if (err) + return err; + + /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ + UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; + + return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); +} + +static void spitz_ohci_exit(struct device *dev) +{ + gpio_free(SPITZ_GPIO_USB_HOST); +} + +static struct pxaohci_platform_data spitz_ohci_platform_data = { + .port_mode = PMM_NPS_MODE, + .init = spitz_ohci_init, + .exit = spitz_ohci_exit, + .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION, + .power_budget = 150, +}; + +static void __init spitz_uhc_init(void) +{ + pxa_set_ohci_info(&spitz_ohci_platform_data); +} +#else +static inline void spitz_uhc_init(void) {} +#endif + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct pxafb_mode_info spitz_pxafb_modes[] = { + { + .pixclock = 19231, + .xres = 480, + .yres = 640, + .bpp = 16, + .hsync_len = 40, + .left_margin = 46, + .right_margin = 125, + .vsync_len = 3, + .upper_margin = 1, + .lower_margin = 0, + .sync = 0, + }, { + .pixclock = 134617, + .xres = 240, + .yres = 320, + .bpp = 16, + .hsync_len = 20, + .left_margin = 20, + .right_margin = 46, + .vsync_len = 2, + .upper_margin = 1, + .lower_margin = 0, + .sync = 0, + }, +}; + +static struct pxafb_mach_info spitz_pxafb_info = { + .modes = spitz_pxafb_modes, + .num_modes = ARRAY_SIZE(spitz_pxafb_modes), + .fixed_modes = 1, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, +}; + +static void __init spitz_lcd_init(void) +{ + pxa_set_fb_info(NULL, &spitz_pxafb_info); +} +#else +static inline void spitz_lcd_init(void) {} +#endif + +/****************************************************************************** + * NAND Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE) +static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; + +static struct nand_bbt_descr spitz_nand_bbt = { + .options = 0, + .offs = 4, + .len = 2, + .pattern = scan_ff_pattern +}; + +static int akita_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section > 12) + return -ERANGE; + + switch (section % 3) { + case 0: + oobregion->offset = 5; + oobregion->length = 1; + break; + + case 1: + oobregion->offset = 1; + oobregion->length = 3; + break; + + case 2: + oobregion->offset = 6; + oobregion->length = 2; + break; + } + + oobregion->offset += (section / 3) * 0x10; + + return 0; +} + +static int akita_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 8; + oobregion->length = 9; + + return 0; +} + +static const struct mtd_ooblayout_ops akita_ooblayout_ops = { + .ecc = akita_ooblayout_ecc, + .free = akita_ooblayout_free, +}; + +static const char * const probes[] = { + "cmdlinepart", + "ofpart", + "sharpslpart", + NULL, +}; + +static struct sharpsl_nand_platform_data spitz_nand_pdata = { + .badblock_pattern = &spitz_nand_bbt, + .part_parsers = probes, +}; + +static struct resource spitz_nand_resources[] = { + { + .start = PXA_CS3_PHYS, + .end = PXA_CS3_PHYS + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spitz_nand_device = { + .name = "sharpsl-nand", + .id = -1, + .resource = spitz_nand_resources, + .num_resources = ARRAY_SIZE(spitz_nand_resources), + .dev = { + .platform_data = &spitz_nand_pdata, + } +}; + +static void __init spitz_nand_init(void) +{ + if (machine_is_akita() || machine_is_borzoi()) { + spitz_nand_bbt.len = 1; + spitz_nand_pdata.ecc_layout = &akita_ooblayout_ops; + } + + platform_device_register(&spitz_nand_device); +} +#else +static inline void spitz_nand_init(void) {} +#endif + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition spitz_rom_parts[] = { + { + .name ="Boot PROM Filesystem", + .offset = 0x00140000, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct physmap_flash_data spitz_rom_data = { + .width = 2, + .nr_parts = ARRAY_SIZE(spitz_rom_parts), + .parts = spitz_rom_parts, +}; + +static struct resource spitz_rom_resources[] = { + { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_8M - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spitz_rom_device = { + .name = "physmap-flash", + .id = -1, + .resource = spitz_rom_resources, + .num_resources = ARRAY_SIZE(spitz_rom_resources), + .dev = { + .platform_data = &spitz_rom_data, + }, +}; + +static void __init spitz_nor_init(void) +{ + platform_device_register(&spitz_rom_device); +} +#else +static inline void spitz_nor_init(void) {} +#endif + +/****************************************************************************** + * I2C devices + ******************************************************************************/ +#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) +static struct pca953x_platform_data akita_pca953x_pdata = { + .gpio_base = AKITA_IOEXP_GPIO_BASE, +}; + +static struct i2c_board_info spitz_i2c_devs[] = { + { + .type = "wm8750", + .addr = 0x1b, + }, { + .type = "max7310", + .addr = 0x18, + .platform_data = &akita_pca953x_pdata, + .swnode = &akita_max7310_gpiochip_node, + }, +}; + +static struct regulator_consumer_supply isl6271a_consumers[] = { + REGULATOR_SUPPLY("vcc_core", NULL), +}; + +static struct regulator_init_data isl6271a_info[] = { + { + .constraints = { + .name = "vcc_core range", + .min_uV = 850000, + .max_uV = 1600000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = isl6271a_consumers, + .num_consumer_supplies = ARRAY_SIZE(isl6271a_consumers), + } +}; + +static struct i2c_board_info spitz_pi2c_devs[] = { + { + .type = "isl6271a", + .addr = 0x0c, + .platform_data = &isl6271a_info, + }, +}; + +static void __init spitz_i2c_init(void) +{ + int size = ARRAY_SIZE(spitz_i2c_devs); + + /* Only Akita has the max7310 chip */ + if (!machine_is_akita()) + size--; + + pxa_set_i2c_info(NULL); + pxa27x_set_i2c_power_info(NULL); + i2c_register_board_info(0, spitz_i2c_devs, size); + i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs)); +} +#else +static inline void spitz_i2c_init(void) {} +#endif + +static const struct property_entry spitz_audio_props[] = { + PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3, + GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4, + GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_GPIO("mic-gpios", &spitz_scoop_2_gpiochip_node, 8, + GPIO_ACTIVE_HIGH), + { } +}; + +static const struct property_entry akita_audio_props[] = { + PROPERTY_ENTRY_GPIO("mute-l-gpios", &spitz_scoop_1_gpiochip_node, 3, + GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_GPIO("mute-r-gpios", &spitz_scoop_1_gpiochip_node, 4, + GPIO_ACTIVE_HIGH), + PROPERTY_ENTRY_GPIO("mic-gpios", &akita_max7310_gpiochip_node, 2, + GPIO_ACTIVE_HIGH), + { } +}; + +/****************************************************************************** + * Audio devices + ******************************************************************************/ +static inline void spitz_audio_init(void) +{ + struct platform_device_info audio_info = { + .name = "spitz-audio", + .id = PLATFORM_DEVID_NONE, + .properties = machine_is_akita() ? + akita_audio_props : spitz_audio_props, + }; + + platform_device_register_full(&audio_info); +} + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void spitz_poweroff(void) +{ + pxa_restart(REBOOT_GPIO, NULL); +} + +static void spitz_restart(enum reboot_mode mode, const char *cmd) +{ + uint32_t msc0 = __raw_readl(MSC0); + /* Bootloader magic for a reboot */ + if ((msc0 & 0xffff0000) == 0x7ff00000) + __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0); + + spitz_poweroff(); +} + +static void __init spitz_init(void) +{ + software_node_register(&spitz_scoop_1_gpiochip_node); + if (machine_is_akita()) + software_node_register(&akita_max7310_gpiochip_node); + else + software_node_register(&spitz_scoop_2_gpiochip_node); + + init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0); + register_platform_power_off(spitz_poweroff); + + PMCR = 0x00; + + /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ + PCFR |= PCFR_OPDE; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + spitz_spi_init(); + spitz_scoop_init(); + spitz_mkp_init(); + spitz_keys_init(); + spitz_leds_init(); + spitz_mmc_init(); + spitz_pcmcia_init(); + spitz_uhc_init(); + spitz_lcd_init(); + spitz_nor_init(); + spitz_nand_init(); + spitz_i2c_init(); + spitz_audio_init(); + + regulator_has_full_constraints(); +} + +static void __init spitz_fixup(struct tag *tags, char **cmdline) +{ + sharpsl_save_param(); + memblock_add(0xa0000000, SZ_64M); +} + +#ifdef CONFIG_MACH_SPITZ +MACHINE_START(SPITZ, "SHARP Spitz") + .fixup = spitz_fixup, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .init_machine = spitz_init, + .init_time = pxa_timer_init, + .restart = spitz_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_BORZOI +MACHINE_START(BORZOI, "SHARP Borzoi") + .fixup = spitz_fixup, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .init_machine = spitz_init, + .init_time = pxa_timer_init, + .restart = spitz_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_AKITA +MACHINE_START(AKITA, "SHARP Akita") + .fixup = spitz_fixup, + .map_io = pxa27x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .init_machine = spitz_init, + .init_time = pxa_timer_init, + .restart = spitz_restart, +MACHINE_END +#endif |