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920 lines
22 KiB
920 lines
22 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Support for HP iPAQ hx4700 PDAs. |
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* |
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* Copyright (c) 2008-2009 Philipp Zabel |
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* |
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* Based on code: |
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* Copyright (c) 2004 Hewlett-Packard Company. |
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* Copyright (c) 2005 SDG Systems, LLC |
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* Copyright (c) 2006 Anton Vorontsov <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/delay.h> |
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#include <linux/fb.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/input.h> |
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#include <linux/input/navpoint.h> |
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#include <linux/lcd.h> |
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#include <linux/mfd/asic3.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/pda_power.h> |
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#include <linux/platform_data/gpio-htc-egpio.h> |
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#include <linux/pwm.h> |
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#include <linux/pwm_backlight.h> |
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#include <linux/regulator/driver.h> |
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#include <linux/regulator/gpio-regulator.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/regulator/max1586.h> |
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#include <linux/spi/ads7846.h> |
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#include <linux/spi/spi.h> |
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#include <linux/spi/pxa2xx_spi.h> |
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#include <linux/platform_data/i2c-pxa.h> |
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#include <mach/hardware.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include "pxa27x.h" |
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#include <mach/hx4700.h> |
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#include <linux/platform_data/irda-pxaficp.h> |
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#include <sound/ak4641.h> |
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#include <video/platform_lcd.h> |
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#include <video/w100fb.h> |
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#include "devices.h" |
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#include "generic.h" |
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#include "udc.h" |
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/* Physical address space information */ |
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#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */ |
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#define ASIC3_PHYS PXA_CS3_PHYS |
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#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000) |
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static unsigned long hx4700_pin_config[] __initdata = { |
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/* SDRAM and Static Memory I/O Signals */ |
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GPIO20_nSDCS_2, |
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GPIO21_nSDCS_3, |
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GPIO15_nCS_1, |
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GPIO78_nCS_2, /* W3220 */ |
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GPIO79_nCS_3, /* ASIC3 */ |
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GPIO80_nCS_4, |
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GPIO33_nCS_5, /* EGPIO, WLAN */ |
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/* PC CARD */ |
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GPIO48_nPOE, |
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GPIO49_nPWE, |
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GPIO50_nPIOR, |
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GPIO51_nPIOW, |
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GPIO54_nPCE_2, |
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GPIO55_nPREG, |
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GPIO56_nPWAIT, |
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GPIO57_nIOIS16, |
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GPIO85_nPCE_1, |
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GPIO104_PSKTSEL, |
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/* I2C */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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/* FFUART (RS-232) */ |
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GPIO34_FFUART_RXD, |
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GPIO35_FFUART_CTS, |
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GPIO36_FFUART_DCD, |
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GPIO37_FFUART_DSR, |
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GPIO38_FFUART_RI, |
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GPIO39_FFUART_TXD, |
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GPIO40_FFUART_DTR, |
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GPIO41_FFUART_RTS, |
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/* BTUART */ |
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GPIO42_BTUART_RXD, |
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GPIO43_BTUART_TXD_LPM_LOW, |
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GPIO44_BTUART_CTS, |
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GPIO45_BTUART_RTS_LPM_LOW, |
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/* STUART (IRDA) */ |
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GPIO46_STUART_RXD, |
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GPIO47_STUART_TXD, |
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/* PWM 1 (Backlight) */ |
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GPIO17_PWM1_OUT, |
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/* I2S */ |
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GPIO28_I2S_BITCLK_OUT, |
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GPIO29_I2S_SDATA_IN, |
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GPIO30_I2S_SDATA_OUT, |
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GPIO31_I2S_SYNC, |
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GPIO113_I2S_SYSCLK, |
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/* SSP 1 (NavPoint) */ |
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GPIO23_SSP1_SCLK_IN, |
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GPIO24_SSP1_SFRM, |
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GPIO25_SSP1_TXD, |
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GPIO26_SSP1_RXD, |
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/* SSP 2 (TSC2046) */ |
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GPIO19_SSP2_SCLK, |
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GPIO86_SSP2_RXD, |
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GPIO87_SSP2_TXD, |
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GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */ |
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/* BQ24022 Regulator */ |
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GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */ |
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GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */ |
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/* HX4700 specific input GPIOs */ |
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GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */ |
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GPIO13_GPIO, /* W3220_IRQ */ |
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GPIO14_GPIO, /* nWLAN_IRQ */ |
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/* HX4700 specific output GPIOs */ |
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GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */ |
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GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */ |
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GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */ |
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GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */ |
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GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */ |
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GPIO10_GPIO, /* GSM_IRQ */ |
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GPIO13_GPIO, /* CPLD_IRQ */ |
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GPIO107_GPIO, /* DS1WM_IRQ */ |
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GPIO108_GPIO, /* GSM_READY */ |
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GPIO58_GPIO, /* TSC2046_nPENIRQ */ |
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GPIO66_GPIO, /* nSDIO_IRQ */ |
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}; |
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/* |
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* IRDA |
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*/ |
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static struct pxaficp_platform_data ficp_info = { |
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.gpio_pwdown = GPIO105_HX4700_nIR_ON, |
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.transceiver_cap = IR_SIRMODE | IR_OFF, |
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}; |
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/* |
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* GPIO Keys |
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*/ |
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#define INIT_KEY(_code, _gpio, _active_low, _desc) \ |
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{ \ |
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.code = KEY_##_code, \ |
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.gpio = _gpio, \ |
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.active_low = _active_low, \ |
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.desc = _desc, \ |
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.type = EV_KEY, \ |
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.wakeup = 1, \ |
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} |
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static struct gpio_keys_button gpio_keys_buttons[] = { |
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INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"), |
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INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"), |
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INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"), |
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INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"), |
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INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"), |
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INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"), |
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}; |
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static struct gpio_keys_platform_data gpio_keys_data = { |
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.buttons = gpio_keys_buttons, |
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.nbuttons = ARRAY_SIZE(gpio_keys_buttons), |
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}; |
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static struct platform_device gpio_keys = { |
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.name = "gpio-keys", |
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.dev = { |
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.platform_data = &gpio_keys_data, |
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}, |
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.id = -1, |
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}; |
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/* |
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* Synaptics NavPoint connected to SSP1 |
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*/ |
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static struct navpoint_platform_data navpoint_platform_data = { |
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.port = 1, |
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.gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON, |
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}; |
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static struct platform_device navpoint = { |
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.name = "navpoint", |
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.id = -1, |
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.dev = { |
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.platform_data = &navpoint_platform_data, |
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}, |
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}; |
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/* |
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* ASIC3 |
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*/ |
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static u16 asic3_gpio_config[] = { |
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/* ASIC3 GPIO banks A and B along with some of C and D |
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implement the buffering for the CF slot. */ |
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ASIC3_CONFIG_GPIO(0, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(1, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(2, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(3, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(4, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(5, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(6, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(7, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(8, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(9, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(10, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(11, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(12, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(13, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(14, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(15, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(16, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(17, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(18, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(19, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(20, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(21, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(22, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(23, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(24, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(25, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(26, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(27, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(28, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(29, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(30, 1, 1, 0), |
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ASIC3_CONFIG_GPIO(31, 1, 1, 0), |
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/* GPIOC - CF, LEDs, SD */ |
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ASIC3_GPIOC0_LED0, /* red */ |
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ASIC3_GPIOC1_LED1, /* green */ |
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ASIC3_GPIOC2_LED2, /* blue */ |
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ASIC3_GPIOC5_nCIOW, |
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ASIC3_GPIOC6_nCIOR, |
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ASIC3_GPIOC7_nPCE_1, |
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ASIC3_GPIOC8_nPCE_2, |
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ASIC3_GPIOC9_nPOE, |
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ASIC3_GPIOC10_nPWE, |
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ASIC3_GPIOC11_PSKTSEL, |
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ASIC3_GPIOC12_nPREG, |
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ASIC3_GPIOC13_nPWAIT, |
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ASIC3_GPIOC14_nPIOIS16, |
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ASIC3_GPIOC15_nPIOR, |
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/* GPIOD: input GPIOs, CF */ |
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ASIC3_GPIOD4_CF_nCD, |
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ASIC3_GPIOD11_nCIOIS16, |
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ASIC3_GPIOD12_nCWAIT, |
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ASIC3_GPIOD15_nPIOW, |
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}; |
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static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = { |
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[0] = { |
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.name = "hx4700:amber", |
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.default_trigger = "ds2760-battery.0-charging-blink-full-solid", |
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}, |
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[1] = { |
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.name = "hx4700:green", |
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.default_trigger = "unused", |
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}, |
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[2] = { |
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.name = "hx4700:blue", |
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.default_trigger = "hx4700-radio", |
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}, |
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}; |
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static struct resource asic3_resources[] = { |
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/* GPIO part */ |
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[0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT), |
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[1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)), |
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/* SD part */ |
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[2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT), |
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[3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)), |
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}; |
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static struct asic3_platform_data asic3_platform_data = { |
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.gpio_config = asic3_gpio_config, |
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.gpio_config_num = ARRAY_SIZE(asic3_gpio_config), |
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.irq_base = IRQ_BOARD_START, |
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.gpio_base = HX4700_ASIC3_GPIO_BASE, |
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.clock_rate = 4000000, |
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.leds = asic3_leds, |
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}; |
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static struct platform_device asic3 = { |
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.name = "asic3", |
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.id = -1, |
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.resource = asic3_resources, |
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.num_resources = ARRAY_SIZE(asic3_resources), |
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.dev = { |
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.platform_data = &asic3_platform_data, |
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}, |
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}; |
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/* |
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* EGPIO |
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*/ |
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static struct resource egpio_resources[] = { |
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[0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4), |
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}; |
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static struct htc_egpio_chip egpio_chips[] = { |
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[0] = { |
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.reg_start = 0, |
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.gpio_base = HX4700_EGPIO_BASE, |
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.num_gpios = 8, |
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.direction = HTC_EGPIO_OUTPUT, |
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}, |
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}; |
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static struct htc_egpio_platform_data egpio_info = { |
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.reg_width = 16, |
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.bus_width = 16, |
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.chip = egpio_chips, |
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.num_chips = ARRAY_SIZE(egpio_chips), |
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}; |
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static struct platform_device egpio = { |
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.name = "htc-egpio", |
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.id = -1, |
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.resource = egpio_resources, |
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.num_resources = ARRAY_SIZE(egpio_resources), |
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.dev = { |
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.platform_data = &egpio_info, |
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}, |
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}; |
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/* |
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* LCD - Sony display connected to ATI Imageon w3220 |
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*/ |
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static void sony_lcd_init(void) |
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{ |
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gpio_set_value(GPIO84_HX4700_LCD_SQN, 1); |
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gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0); |
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gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0); |
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gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0); |
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gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0); |
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mdelay(10); |
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gpio_set_value(GPIO59_HX4700_LCD_PC1, 0); |
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gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0); |
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mdelay(20); |
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gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1); |
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mdelay(5); |
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gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1); |
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/* FIXME: init w3220 registers here */ |
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mdelay(5); |
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gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1); |
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mdelay(10); |
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gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1); |
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mdelay(10); |
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gpio_set_value(GPIO59_HX4700_LCD_PC1, 1); |
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mdelay(10); |
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gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1); |
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} |
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static void sony_lcd_off(void) |
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{ |
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gpio_set_value(GPIO59_HX4700_LCD_PC1, 0); |
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gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0); |
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mdelay(10); |
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gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0); |
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mdelay(10); |
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gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0); |
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mdelay(10); |
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gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0); |
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} |
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#ifdef CONFIG_PM |
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static void w3220_lcd_suspend(struct w100fb_par *wfb) |
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{ |
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sony_lcd_off(); |
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} |
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static void w3220_lcd_resume(struct w100fb_par *wfb) |
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{ |
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sony_lcd_init(); |
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} |
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#else |
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#define w3220_lcd_resume NULL |
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#define w3220_lcd_suspend NULL |
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#endif |
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static struct w100_tg_info w3220_tg_info = { |
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.suspend = w3220_lcd_suspend, |
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.resume = w3220_lcd_resume, |
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}; |
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/* W3220_VGA QVGA */ |
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static struct w100_gen_regs w3220_regs = { |
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.lcd_format = 0x00000003, |
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.lcdd_cntl1 = 0x00000000, |
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.lcdd_cntl2 = 0x0003ffff, |
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.genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */ |
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.genlcd_cntl2 = 0x00000003, |
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.genlcd_cntl3 = 0x000102aa, |
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}; |
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static struct w100_mode w3220_modes[] = { |
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{ |
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.xres = 480, |
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.yres = 640, |
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.left_margin = 15, |
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.right_margin = 16, |
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.upper_margin = 8, |
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.lower_margin = 7, |
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.crtc_ss = 0x00000000, |
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.crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */ |
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.crtc_gs = 0xc0000000, /* 0x40000000 */ |
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.crtc_vpos_gs = 0x0000028f, |
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.crtc_ps1_active = 0x00000000, /* 0x41060010 */ |
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.crtc_rev = 0, |
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.crtc_dclk = 0x80000000, |
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.crtc_gclk = 0x040a0104, |
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.crtc_goe = 0, |
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.pll_freq = 95, |
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.pixclk_divider = 4, |
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.pixclk_divider_rotated = 4, |
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.pixclk_src = CLK_SRC_PLL, |
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.sysclk_divider = 0, |
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.sysclk_src = CLK_SRC_PLL, |
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}, |
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{ |
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.xres = 240, |
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.yres = 320, |
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.left_margin = 9, |
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.right_margin = 8, |
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.upper_margin = 5, |
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.lower_margin = 4, |
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.crtc_ss = 0x80150014, |
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.crtc_ls = 0xa0fb00f7, |
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.crtc_gs = 0xc0080007, |
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.crtc_vpos_gs = 0x00080007, |
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.crtc_rev = 0x0000000a, |
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.crtc_dclk = 0x81700030, |
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.crtc_gclk = 0x8015010f, |
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.crtc_goe = 0x00000000, |
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.pll_freq = 95, |
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.pixclk_divider = 4, |
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.pixclk_divider_rotated = 4, |
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.pixclk_src = CLK_SRC_PLL, |
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.sysclk_divider = 0, |
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.sysclk_src = CLK_SRC_PLL, |
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}, |
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}; |
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struct w100_mem_info w3220_mem_info = { |
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.ext_cntl = 0x09640011, |
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.sdram_mode_reg = 0x00600021, |
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.ext_timing_cntl = 0x1a001545, /* 0x15001545 */ |
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.io_cntl = 0x7ddd7333, |
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.size = 0x1fffff, |
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}; |
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struct w100_bm_mem_info w3220_bm_mem_info = { |
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.ext_mem_bw = 0x50413e01, |
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.offset = 0, |
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.ext_timing_ctl = 0x00043f7f, |
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.ext_cntl = 0x00000010, |
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.mode_reg = 0x00250000, |
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.io_cntl = 0x0fff0000, |
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.config = 0x08301480, |
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}; |
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static struct w100_gpio_regs w3220_gpio_info = { |
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.init_data1 = 0xdfe00100, /* GPIO_DATA */ |
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.gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */ |
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.gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */ |
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.init_data2 = 0x00000000, /* GPIO_DATA2 */ |
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.gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */ |
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.gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */ |
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}; |
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|
|
static struct w100fb_mach_info w3220_info = { |
|
.tg = &w3220_tg_info, |
|
.mem = &w3220_mem_info, |
|
.bm_mem = &w3220_bm_mem_info, |
|
.gpio = &w3220_gpio_info, |
|
.regs = &w3220_regs, |
|
.modelist = w3220_modes, |
|
.num_modes = 2, |
|
.xtal_freq = 16000000, |
|
}; |
|
|
|
static struct resource w3220_resources[] = { |
|
[0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M), |
|
}; |
|
|
|
static struct platform_device w3220 = { |
|
.name = "w100fb", |
|
.id = -1, |
|
.dev = { |
|
.platform_data = &w3220_info, |
|
}, |
|
.num_resources = ARRAY_SIZE(w3220_resources), |
|
.resource = w3220_resources, |
|
}; |
|
|
|
static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power) |
|
{ |
|
if (power) |
|
sony_lcd_init(); |
|
else |
|
sony_lcd_off(); |
|
} |
|
|
|
static struct plat_lcd_data hx4700_lcd_data = { |
|
.set_power = hx4700_lcd_set_power, |
|
}; |
|
|
|
static struct platform_device hx4700_lcd = { |
|
.name = "platform-lcd", |
|
.id = -1, |
|
.dev = { |
|
.platform_data = &hx4700_lcd_data, |
|
.parent = &w3220.dev, |
|
}, |
|
}; |
|
|
|
/* |
|
* Backlight |
|
*/ |
|
|
|
static struct platform_pwm_backlight_data backlight_data = { |
|
.max_brightness = 200, |
|
.dft_brightness = 100, |
|
}; |
|
|
|
static struct platform_device backlight = { |
|
.name = "pwm-backlight", |
|
.id = -1, |
|
.dev = { |
|
.parent = &pxa27x_device_pwm1.dev, |
|
.platform_data = &backlight_data, |
|
}, |
|
}; |
|
|
|
static struct pwm_lookup hx4700_pwm_lookup[] = { |
|
PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL, |
|
30923, PWM_POLARITY_NORMAL), |
|
}; |
|
|
|
/* |
|
* USB "Transceiver" |
|
*/ |
|
|
|
static struct gpiod_lookup_table gpio_vbus_gpiod_table = { |
|
.dev_id = "gpio-vbus", |
|
.table = { |
|
/* This GPIO is on ASIC3 */ |
|
GPIO_LOOKUP("asic3", |
|
/* Convert to a local offset on the ASIC3 */ |
|
GPIOD14_nUSBC_DETECT - HX4700_ASIC3_GPIO_BASE, |
|
"vbus", GPIO_ACTIVE_LOW), |
|
/* This one is on the primary SOC GPIO */ |
|
GPIO_LOOKUP("gpio-pxa", GPIO76_HX4700_USBC_PUEN, |
|
"pullup", GPIO_ACTIVE_HIGH), |
|
{ }, |
|
}, |
|
}; |
|
|
|
static struct platform_device gpio_vbus = { |
|
.name = "gpio-vbus", |
|
.id = -1, |
|
}; |
|
|
|
static struct pxa2xx_udc_mach_info hx4700_udc_info; |
|
|
|
/* |
|
* Touchscreen - TSC2046 connected to SSP2 |
|
*/ |
|
|
|
static const struct ads7846_platform_data tsc2046_info = { |
|
.model = 7846, |
|
.vref_delay_usecs = 100, |
|
.pressure_max = 1024, |
|
.debounce_max = 10, |
|
.debounce_tol = 3, |
|
.debounce_rep = 1, |
|
.gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ, |
|
}; |
|
|
|
static struct pxa2xx_spi_chip tsc2046_chip = { |
|
.tx_threshold = 1, |
|
.rx_threshold = 2, |
|
.timeout = 64, |
|
.gpio_cs = GPIO88_HX4700_TSC2046_CS, |
|
}; |
|
|
|
static struct spi_board_info tsc2046_board_info[] __initdata = { |
|
{ |
|
.modalias = "ads7846", |
|
.bus_num = 2, |
|
.max_speed_hz = 2600000, /* 100 kHz sample rate */ |
|
.irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ), |
|
.platform_data = &tsc2046_info, |
|
.controller_data = &tsc2046_chip, |
|
}, |
|
}; |
|
|
|
static struct pxa2xx_spi_controller pxa_ssp2_master_info = { |
|
.num_chipselect = 1, |
|
.enable_dma = 1, |
|
}; |
|
|
|
/* |
|
* External power |
|
*/ |
|
|
|
static int power_supply_init(struct device *dev) |
|
{ |
|
return gpio_request(GPIOD9_nAC_IN, "AC charger detect"); |
|
} |
|
|
|
static int hx4700_is_ac_online(void) |
|
{ |
|
return !gpio_get_value(GPIOD9_nAC_IN); |
|
} |
|
|
|
static void power_supply_exit(struct device *dev) |
|
{ |
|
gpio_free(GPIOD9_nAC_IN); |
|
} |
|
|
|
static char *hx4700_supplicants[] = { |
|
"ds2760-battery.0", "backup-battery" |
|
}; |
|
|
|
static struct pda_power_pdata power_supply_info = { |
|
.init = power_supply_init, |
|
.is_ac_online = hx4700_is_ac_online, |
|
.exit = power_supply_exit, |
|
.supplied_to = hx4700_supplicants, |
|
.num_supplicants = ARRAY_SIZE(hx4700_supplicants), |
|
}; |
|
|
|
static struct resource power_supply_resources[] = { |
|
[0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac", |
|
IORESOURCE_IRQ | |
|
IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE), |
|
[1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb", |
|
IORESOURCE_IRQ | |
|
IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE), |
|
}; |
|
|
|
static struct platform_device power_supply = { |
|
.name = "pda-power", |
|
.id = -1, |
|
.dev = { |
|
.platform_data = &power_supply_info, |
|
}, |
|
.resource = power_supply_resources, |
|
.num_resources = ARRAY_SIZE(power_supply_resources), |
|
}; |
|
|
|
/* |
|
* Battery charger |
|
*/ |
|
|
|
static struct regulator_consumer_supply bq24022_consumers[] = { |
|
REGULATOR_SUPPLY("vbus_draw", NULL), |
|
REGULATOR_SUPPLY("ac_draw", NULL), |
|
}; |
|
|
|
static struct regulator_init_data bq24022_init_data = { |
|
.constraints = { |
|
.max_uA = 500000, |
|
.valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS, |
|
}, |
|
.num_consumer_supplies = ARRAY_SIZE(bq24022_consumers), |
|
.consumer_supplies = bq24022_consumers, |
|
}; |
|
|
|
static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW }; |
|
|
|
static struct gpio_regulator_state bq24022_states[] = { |
|
{ .value = 100000, .gpios = (0 << 0) }, |
|
{ .value = 500000, .gpios = (1 << 0) }, |
|
}; |
|
|
|
static struct gpio_regulator_config bq24022_info = { |
|
.supply_name = "bq24022", |
|
|
|
.enabled_at_boot = 0, |
|
|
|
.gflags = bq24022_gpiod_gflags, |
|
.ngpios = ARRAY_SIZE(bq24022_gpiod_gflags), |
|
|
|
.states = bq24022_states, |
|
.nr_states = ARRAY_SIZE(bq24022_states), |
|
|
|
.type = REGULATOR_CURRENT, |
|
.init_data = &bq24022_init_data, |
|
}; |
|
|
|
static struct platform_device bq24022 = { |
|
.name = "gpio-regulator", |
|
.id = -1, |
|
.dev = { |
|
.platform_data = &bq24022_info, |
|
}, |
|
}; |
|
|
|
static struct gpiod_lookup_table bq24022_gpiod_table = { |
|
.dev_id = "gpio-regulator", |
|
.table = { |
|
GPIO_LOOKUP("gpio-pxa", GPIO96_HX4700_BQ24022_ISET2, |
|
NULL, GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("gpio-pxa", GPIO72_HX4700_BQ24022_nCHARGE_EN, |
|
"enable", GPIO_ACTIVE_LOW), |
|
{ }, |
|
}, |
|
}; |
|
|
|
/* |
|
* StrataFlash |
|
*/ |
|
|
|
static void hx4700_set_vpp(struct platform_device *pdev, int vpp) |
|
{ |
|
gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp); |
|
} |
|
|
|
static struct resource strataflash_resource[] = { |
|
[0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M), |
|
[1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M), |
|
}; |
|
|
|
static struct physmap_flash_data strataflash_data = { |
|
.width = 4, |
|
.set_vpp = hx4700_set_vpp, |
|
}; |
|
|
|
static struct platform_device strataflash = { |
|
.name = "physmap-flash", |
|
.id = -1, |
|
.resource = strataflash_resource, |
|
.num_resources = ARRAY_SIZE(strataflash_resource), |
|
.dev = { |
|
.platform_data = &strataflash_data, |
|
}, |
|
}; |
|
|
|
/* |
|
* Maxim MAX1587A on PI2C |
|
*/ |
|
|
|
static struct regulator_consumer_supply max1587a_consumer = |
|
REGULATOR_SUPPLY("vcc_core", NULL); |
|
|
|
static struct regulator_init_data max1587a_v3_info = { |
|
.constraints = { |
|
.name = "vcc_core range", |
|
.min_uV = 900000, |
|
.max_uV = 1705000, |
|
.always_on = 1, |
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
|
}, |
|
.num_consumer_supplies = 1, |
|
.consumer_supplies = &max1587a_consumer, |
|
}; |
|
|
|
static struct max1586_subdev_data max1587a_subdev = { |
|
.name = "vcc_core", |
|
.id = MAX1586_V3, |
|
.platform_data = &max1587a_v3_info, |
|
}; |
|
|
|
static struct max1586_platform_data max1587a_info = { |
|
.num_subdevs = 1, |
|
.subdevs = &max1587a_subdev, |
|
.v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ |
|
}; |
|
|
|
static struct i2c_board_info __initdata pi2c_board_info[] = { |
|
{ |
|
I2C_BOARD_INFO("max1586", 0x14), |
|
.platform_data = &max1587a_info, |
|
}, |
|
}; |
|
|
|
/* |
|
* Asahi Kasei AK4641 on I2C |
|
*/ |
|
|
|
static struct ak4641_platform_data ak4641_info = { |
|
.gpio_power = GPIO27_HX4700_CODEC_ON, |
|
.gpio_npdn = GPIO109_HX4700_CODEC_nPDN, |
|
}; |
|
|
|
static struct i2c_board_info i2c_board_info[] __initdata = { |
|
{ |
|
I2C_BOARD_INFO("ak4641", 0x12), |
|
.platform_data = &ak4641_info, |
|
}, |
|
}; |
|
|
|
static struct platform_device audio = { |
|
.name = "hx4700-audio", |
|
.id = -1, |
|
}; |
|
|
|
|
|
/* |
|
* Platform devices |
|
*/ |
|
|
|
static struct platform_device *devices[] __initdata = { |
|
&asic3, |
|
&gpio_keys, |
|
&navpoint, |
|
&backlight, |
|
&w3220, |
|
&hx4700_lcd, |
|
&egpio, |
|
&bq24022, |
|
&gpio_vbus, |
|
&power_supply, |
|
&strataflash, |
|
&audio, |
|
}; |
|
|
|
static struct gpio global_gpios[] = { |
|
{ GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" }, |
|
{ GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" }, |
|
{ GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" }, |
|
{ GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" }, |
|
{ GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" }, |
|
{ GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" }, |
|
{ GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" }, |
|
{ GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" }, |
|
{ GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" }, |
|
{ GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" }, |
|
{ GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" }, |
|
{ GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" }, |
|
{ GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" }, |
|
{ GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" }, |
|
{ GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" }, |
|
}; |
|
|
|
static void __init hx4700_init(void) |
|
{ |
|
int ret; |
|
|
|
PCFR = PCFR_GPR_EN | PCFR_OPDE; |
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config)); |
|
gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1); |
|
ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); |
|
if (ret) |
|
pr_err ("hx4700: Failed to request GPIOs.\n"); |
|
|
|
pxa_set_ffuart_info(NULL); |
|
pxa_set_btuart_info(NULL); |
|
pxa_set_stuart_info(NULL); |
|
|
|
gpiod_add_lookup_table(&bq24022_gpiod_table); |
|
gpiod_add_lookup_table(&gpio_vbus_gpiod_table); |
|
platform_add_devices(devices, ARRAY_SIZE(devices)); |
|
pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup)); |
|
|
|
pxa_set_ficp_info(&ficp_info); |
|
pxa27x_set_i2c_power_info(NULL); |
|
pxa_set_i2c_info(NULL); |
|
i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info)); |
|
i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info)); |
|
pxa2xx_set_spi_info(2, &pxa_ssp2_master_info); |
|
spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info)); |
|
|
|
gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0); |
|
mdelay(10); |
|
gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1); |
|
mdelay(10); |
|
|
|
pxa_set_udc_info(&hx4700_udc_info); |
|
regulator_has_full_constraints(); |
|
} |
|
|
|
MACHINE_START(H4700, "HP iPAQ HX4700") |
|
.atag_offset = 0x100, |
|
.map_io = pxa27x_map_io, |
|
.nr_irqs = HX4700_NR_IRQS, |
|
.init_irq = pxa27x_init_irq, |
|
.handle_irq = pxa27x_handle_irq, |
|
.init_machine = hx4700_init, |
|
.init_time = pxa_timer_init, |
|
.restart = pxa_restart, |
|
MACHINE_END
|
|
|