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// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Support for HTC Magician PDA phones: |
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* i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110 |
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* and T-Mobile MDA Compact. |
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* |
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* Copyright (c) 2006-2007 Philipp Zabel |
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* |
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* Based on hx4700.c, spitz.c and others. |
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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/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/input.h> |
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#include <linux/mfd/htc-pasic3.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/fixed.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/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 <asm/system_info.h> |
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#include "pxa27x.h" |
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#include <mach/magician.h> |
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#include <linux/platform_data/video-pxafb.h> |
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#include <linux/platform_data/mmc-pxamci.h> |
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#include <linux/platform_data/irda-pxaficp.h> |
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#include <linux/platform_data/usb-ohci-pxa27x.h> |
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#include <linux/regulator/max1586.h> |
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#include <linux/platform_data/pxa2xx_udc.h> |
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#include "udc.h" |
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#include "pxa27x-udc.h" |
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#include "devices.h" |
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#include "generic.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/spi/ads7846.h> |
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static unsigned long magician_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, /* PASIC3 */ |
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GPIO79_nCS_3, /* EGPIO CPLD */ |
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GPIO80_nCS_4, |
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GPIO33_nCS_5, |
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/* I2C UDA1380 + OV9640 */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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/* PWM 0 - LCD backlight */ |
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GPIO16_PWM0_OUT, |
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/* I2S UDA1380 capture */ |
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GPIO28_I2S_BITCLK_OUT, |
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GPIO29_I2S_SDATA_IN, |
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GPIO31_I2S_SYNC, |
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GPIO113_I2S_SYSCLK, |
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/* SSP 1 UDA1380 playback */ |
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GPIO23_SSP1_SCLK, |
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GPIO24_SSP1_SFRM, |
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GPIO25_SSP1_TXD, |
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/* SSP 2 TSC2046 touchscreen */ |
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GPIO19_SSP2_SCLK, |
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MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH), /* frame as GPIO */ |
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GPIO89_SSP2_TXD, |
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GPIO88_SSP2_RXD, |
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/* MMC/SD/SDHC slot */ |
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GPIO32_MMC_CLK, |
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GPIO92_MMC_DAT_0, |
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GPIO109_MMC_DAT_1, |
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GPIO110_MMC_DAT_2, |
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GPIO111_MMC_DAT_3, |
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GPIO112_MMC_CMD, |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* QCI camera interface */ |
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GPIO12_CIF_DD_7, |
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GPIO17_CIF_DD_6, |
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GPIO50_CIF_DD_3, |
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GPIO51_CIF_DD_2, |
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GPIO52_CIF_DD_4, |
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GPIO53_CIF_MCLK, |
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GPIO54_CIF_PCLK, |
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GPIO55_CIF_DD_1, |
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GPIO81_CIF_DD_0, |
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GPIO82_CIF_DD_5, |
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GPIO84_CIF_FV, |
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GPIO85_CIF_LV, |
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/* Magician specific input GPIOs */ |
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GPIO9_GPIO, /* unknown */ |
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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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GPIO115_GPIO, /* nPEN_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 magician_ficp_info = { |
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.gpio_pwdown = GPIO83_MAGICIAN_nIR_EN, |
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.transceiver_cap = IR_SIRMODE | IR_OFF, |
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.gpio_pwdown_inverted = 0, |
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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, _desc) \ |
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{ \ |
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.code = KEY_##_code, \ |
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.gpio = _gpio, \ |
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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 magician_button_table[] = { |
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INIT_KEY(POWER, GPIO0_MAGICIAN_KEY_POWER, "Power button"), |
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INIT_KEY(ESC, GPIO37_MAGICIAN_KEY_HANGUP, "Hangup button"), |
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INIT_KEY(F10, GPIO38_MAGICIAN_KEY_CONTACTS, "Contacts button"), |
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INIT_KEY(CALENDAR, GPIO90_MAGICIAN_KEY_CALENDAR, "Calendar button"), |
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INIT_KEY(CAMERA, GPIO91_MAGICIAN_KEY_CAMERA, "Camera button"), |
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INIT_KEY(UP, GPIO93_MAGICIAN_KEY_UP, "Up button"), |
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INIT_KEY(DOWN, GPIO94_MAGICIAN_KEY_DOWN, "Down button"), |
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INIT_KEY(LEFT, GPIO95_MAGICIAN_KEY_LEFT, "Left button"), |
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INIT_KEY(RIGHT, GPIO96_MAGICIAN_KEY_RIGHT, "Right button"), |
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INIT_KEY(KPENTER, GPIO97_MAGICIAN_KEY_ENTER, "Action button"), |
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INIT_KEY(RECORD, GPIO98_MAGICIAN_KEY_RECORD, "Record button"), |
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INIT_KEY(VOLUMEUP, GPIO100_MAGICIAN_KEY_VOL_UP, "Volume up"), |
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INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"), |
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INIT_KEY(PHONE, GPIO102_MAGICIAN_KEY_PHONE, "Phone button"), |
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INIT_KEY(PLAY, GPIO99_MAGICIAN_HEADPHONE_IN, "Headset button"), |
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}; |
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static struct gpio_keys_platform_data gpio_keys_data = { |
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.buttons = magician_button_table, |
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.nbuttons = ARRAY_SIZE(magician_button_table), |
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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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* EGPIO (Xilinx CPLD) |
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* |
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* 32-bit aligned 8-bit registers |
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* 16 possible registers (reg windows size), only 7 used: |
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* 3x output, 1x irq, 3x input |
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*/ |
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static struct resource egpio_resources[] = { |
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[0] = { |
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.start = PXA_CS3_PHYS, |
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.end = PXA_CS3_PHYS + 0x20 - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ), |
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.end = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ), |
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.flags = IORESOURCE_IRQ, |
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}, |
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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 = MAGICIAN_EGPIO(0, 0), |
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.num_gpios = 24, |
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.direction = HTC_EGPIO_OUTPUT, |
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/* |
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* Depends on modules configuration |
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*/ |
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.initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */ |
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}, |
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[1] = { |
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.reg_start = 4, |
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.gpio_base = MAGICIAN_EGPIO(4, 0), |
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.num_gpios = 24, |
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.direction = HTC_EGPIO_INPUT, |
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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 = 8, |
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.bus_width = 32, |
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.irq_base = IRQ_BOARD_START, |
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.num_irqs = 4, |
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.ack_register = 3, |
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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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* PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV |
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*/ |
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static struct pxafb_mode_info toppoly_modes[] = { |
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{ |
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.pixclock = 96153, |
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.bpp = 16, |
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.xres = 240, |
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.yres = 320, |
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.hsync_len = 11, |
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.vsync_len = 3, |
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.left_margin = 19, |
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.upper_margin = 2, |
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.right_margin = 10, |
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.lower_margin = 2, |
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.sync = 0, |
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}, |
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}; |
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static struct pxafb_mode_info samsung_modes[] = { |
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{ |
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.pixclock = 226469, |
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.bpp = 16, |
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.xres = 240, |
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.yres = 320, |
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.hsync_len = 8, |
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.vsync_len = 4, |
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.left_margin = 9, |
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.upper_margin = 4, |
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.right_margin = 9, |
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.lower_margin = 4, |
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
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}, |
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}; |
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static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si) |
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{ |
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pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off"); |
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if (on) { |
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gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1); |
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gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); |
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udelay(2000); |
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gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); |
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udelay(2000); |
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/* FIXME: enable LCDC here */ |
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udelay(2000); |
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gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); |
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udelay(2000); |
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gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); |
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} else { |
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msleep(15); |
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gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); |
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udelay(500); |
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gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); |
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udelay(1000); |
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gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); |
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gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); |
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} |
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} |
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static void samsung_lcd_power(int on, struct fb_var_screeninfo *si) |
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{ |
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pr_debug("Samsung LCD power: %s\n", on ? "on" : "off"); |
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if (on) { |
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if (system_rev < 3) |
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gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1); |
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else |
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gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); |
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mdelay(6); |
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gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); |
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mdelay(6); /* Avdd -> Voff >5ms */ |
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gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); |
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mdelay(16); /* Voff -> Von >(5+10)ms */ |
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gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); |
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} else { |
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gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); |
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mdelay(16); |
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gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); |
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mdelay(6); |
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gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); |
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mdelay(6); |
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if (system_rev < 3) |
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gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); |
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else |
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gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); |
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} |
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} |
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static struct pxafb_mach_info toppoly_info = { |
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.modes = toppoly_modes, |
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.num_modes = 1, |
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.fixed_modes = 1, |
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.lcd_conn = LCD_COLOR_TFT_16BPP, |
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.pxafb_lcd_power = toppoly_lcd_power, |
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}; |
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static struct pxafb_mach_info samsung_info = { |
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.modes = samsung_modes, |
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.num_modes = 1, |
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.fixed_modes = 1, |
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
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LCD_ALTERNATE_MAPPING, |
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.pxafb_lcd_power = samsung_lcd_power, |
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}; |
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/* |
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* Backlight |
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*/ |
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static struct pwm_lookup magician_pwm_lookup[] = { |
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PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923, |
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PWM_POLARITY_NORMAL), |
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}; |
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/* |
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* fixed regulator for pwm_backlight |
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*/ |
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static struct regulator_consumer_supply pwm_backlight_supply[] = { |
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REGULATOR_SUPPLY("power", "pwm_backlight"), |
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}; |
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static struct gpio magician_bl_gpios[] = { |
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{ EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" }, |
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{ EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" }, |
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}; |
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static int magician_backlight_init(struct device *dev) |
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{ |
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return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios)); |
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} |
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static int magician_backlight_notify(struct device *dev, int brightness) |
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{ |
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pr_debug("Brightness = %i\n", brightness); |
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gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness); |
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if (brightness >= 200) { |
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gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); |
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return brightness - 72; |
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} else { |
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gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); |
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return brightness; |
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} |
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} |
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static void magician_backlight_exit(struct device *dev) |
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{ |
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gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios)); |
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} |
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/* |
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* LCD PWM backlight (main) |
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* |
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* MP1521 frequency should be: |
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* 100-400 Hz = 2 .5*10^6 - 10 *10^6 ns |
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*/ |
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static struct platform_pwm_backlight_data backlight_data = { |
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.max_brightness = 272, |
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.dft_brightness = 100, |
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.init = magician_backlight_init, |
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.notify = magician_backlight_notify, |
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.exit = magician_backlight_exit, |
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}; |
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static struct platform_device backlight = { |
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.name = "pwm-backlight", |
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.id = -1, |
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.dev = { |
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.parent = &pxa27x_device_pwm0.dev, |
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.platform_data = &backlight_data, |
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}, |
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}; |
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/* |
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* GPIO LEDs, Phone keys backlight, vibra |
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*/ |
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static struct gpio_led gpio_leds[] = { |
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{ |
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.name = "magician::vibra", |
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.default_trigger = "none", |
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.gpio = GPIO22_MAGICIAN_VIBRA_EN, |
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}, |
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{ |
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.name = "magician::phone_bl", |
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.default_trigger = "backlight", |
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.gpio = GPIO103_MAGICIAN_LED_KP, |
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}, |
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}; |
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static struct gpio_led_platform_data gpio_led_info = { |
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.leds = gpio_leds, |
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.num_leds = ARRAY_SIZE(gpio_leds), |
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}; |
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static struct platform_device leds_gpio = { |
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.name = "leds-gpio", |
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.id = -1, |
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.dev = { |
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.platform_data = &gpio_led_info, |
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}, |
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}; |
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/* |
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* PASIC3 with DS1WM |
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*/ |
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static struct resource pasic3_resources[] = { |
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[0] = { |
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.start = PXA_CS2_PHYS, |
|
|
.end = PXA_CS2_PHYS + 0x1b, |
|
|
.flags = IORESOURCE_MEM, |
|
|
}, |
|
|
/* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */ |
|
|
[1] = { |
|
|
.start = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ), |
|
|
.end = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ), |
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
|
|
} |
|
|
}; |
|
|
|
|
|
static struct pasic3_platform_data pasic3_platform_data = { |
|
|
.clock_rate = 4000000, |
|
|
}; |
|
|
|
|
|
static struct platform_device pasic3 = { |
|
|
.name = "pasic3", |
|
|
.id = -1, |
|
|
.num_resources = ARRAY_SIZE(pasic3_resources), |
|
|
.resource = pasic3_resources, |
|
|
.dev = { |
|
|
.platform_data = &pasic3_platform_data, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* PXA UDC |
|
|
*/ |
|
|
|
|
|
static void magician_udc_command(int cmd) |
|
|
{ |
|
|
if (cmd == PXA2XX_UDC_CMD_CONNECT) |
|
|
UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; |
|
|
else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) |
|
|
UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE); |
|
|
} |
|
|
|
|
|
static struct pxa2xx_udc_mach_info magician_udc_info __initdata = { |
|
|
.udc_command = magician_udc_command, |
|
|
.gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* USB device VBus detection |
|
|
*/ |
|
|
|
|
|
static struct resource gpio_vbus_resource = { |
|
|
.flags = IORESOURCE_IRQ, |
|
|
.start = IRQ_MAGICIAN_VBUS, |
|
|
.end = IRQ_MAGICIAN_VBUS, |
|
|
}; |
|
|
|
|
|
static struct gpiod_lookup_table gpio_vbus_gpiod_table = { |
|
|
.dev_id = "gpio-vbus", |
|
|
.table = { |
|
|
/* |
|
|
* EGPIO on register 4 index 1, the second EGPIO chip |
|
|
* starts at register 4 so this will be at index 1 on that |
|
|
* chip. |
|
|
*/ |
|
|
GPIO_LOOKUP("htc-egpio-1", 1, |
|
|
"vbus", GPIO_ACTIVE_HIGH), |
|
|
GPIO_LOOKUP("gpio-pxa", GPIO27_MAGICIAN_USBC_PUEN, |
|
|
"pullup", GPIO_ACTIVE_HIGH), |
|
|
{ }, |
|
|
}, |
|
|
}; |
|
|
|
|
|
static struct platform_device gpio_vbus = { |
|
|
.name = "gpio-vbus", |
|
|
.id = -1, |
|
|
.num_resources = 1, |
|
|
.resource = &gpio_vbus_resource, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* External power |
|
|
*/ |
|
|
|
|
|
static int magician_supply_init(struct device *dev) |
|
|
{ |
|
|
int ret = -1; |
|
|
|
|
|
ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger"); |
|
|
if (ret) { |
|
|
pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret); |
|
|
goto err_ac; |
|
|
} |
|
|
|
|
|
ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted"); |
|
|
if (ret) { |
|
|
pr_err("Cannot request cable detection GPIO (%i)\n", ret); |
|
|
goto err_usb; |
|
|
} |
|
|
|
|
|
return 0; |
|
|
|
|
|
err_usb: |
|
|
gpio_free(EGPIO_MAGICIAN_CABLE_TYPE); |
|
|
err_ac: |
|
|
return ret; |
|
|
} |
|
|
|
|
|
static void magician_set_charge(int flags) |
|
|
{ |
|
|
if (flags & PDA_POWER_CHARGE_AC) { |
|
|
pr_debug("Charging from AC\n"); |
|
|
gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1); |
|
|
} else if (flags & PDA_POWER_CHARGE_USB) { |
|
|
pr_debug("Charging from USB\n"); |
|
|
gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1); |
|
|
} else { |
|
|
pr_debug("Charging disabled\n"); |
|
|
gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0); |
|
|
} |
|
|
} |
|
|
|
|
|
static int magician_is_ac_online(void) |
|
|
{ |
|
|
return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) && |
|
|
gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */ |
|
|
} |
|
|
|
|
|
static int magician_is_usb_online(void) |
|
|
{ |
|
|
return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) && |
|
|
(!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */ |
|
|
} |
|
|
|
|
|
static void magician_supply_exit(struct device *dev) |
|
|
{ |
|
|
gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED); |
|
|
gpio_free(EGPIO_MAGICIAN_CABLE_TYPE); |
|
|
} |
|
|
|
|
|
static char *magician_supplicants[] = { |
|
|
"ds2760-battery.0", "backup-battery" |
|
|
}; |
|
|
|
|
|
static struct pda_power_pdata power_supply_info = { |
|
|
.init = magician_supply_init, |
|
|
.exit = magician_supply_exit, |
|
|
.is_ac_online = magician_is_ac_online, |
|
|
.is_usb_online = magician_is_usb_online, |
|
|
.set_charge = magician_set_charge, |
|
|
.supplied_to = magician_supplicants, |
|
|
.num_supplicants = ARRAY_SIZE(magician_supplicants), |
|
|
}; |
|
|
|
|
|
static struct resource power_supply_resources[] = { |
|
|
[0] = { |
|
|
.name = "ac", |
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
|
|
IORESOURCE_IRQ_LOWEDGE, |
|
|
.start = IRQ_MAGICIAN_VBUS, |
|
|
.end = IRQ_MAGICIAN_VBUS, |
|
|
}, |
|
|
[1] = { |
|
|
.name = "usb", |
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
|
|
IORESOURCE_IRQ_LOWEDGE, |
|
|
.start = IRQ_MAGICIAN_VBUS, |
|
|
.end = IRQ_MAGICIAN_VBUS, |
|
|
}, |
|
|
}; |
|
|
|
|
|
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 = 1, |
|
|
|
|
|
.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", EGPIO_MAGICIAN_BQ24022_ISET2, |
|
|
NULL, GPIO_ACTIVE_HIGH), |
|
|
GPIO_LOOKUP("gpio-pxa", GPIO30_MAGICIAN_BQ24022_nCHARGE_EN, |
|
|
"enable", GPIO_ACTIVE_LOW), |
|
|
{ }, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* fixed regulator for ads7846 |
|
|
*/ |
|
|
|
|
|
static struct regulator_consumer_supply ads7846_supply = |
|
|
REGULATOR_SUPPLY("vcc", "spi2.0"); |
|
|
|
|
|
static struct regulator_init_data vads7846_regulator = { |
|
|
.constraints = { |
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS, |
|
|
}, |
|
|
.num_consumer_supplies = 1, |
|
|
.consumer_supplies = &ads7846_supply, |
|
|
}; |
|
|
|
|
|
static struct fixed_voltage_config vads7846 = { |
|
|
.supply_name = "vads7846", |
|
|
.microvolts = 3300000, /* probably */ |
|
|
.startup_delay = 0, |
|
|
.init_data = &vads7846_regulator, |
|
|
}; |
|
|
|
|
|
static struct platform_device vads7846_device = { |
|
|
.name = "reg-fixed-voltage", |
|
|
.id = -1, |
|
|
.dev = { |
|
|
.platform_data = &vads7846, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* Vcore regulator MAX1587A |
|
|
*/ |
|
|
|
|
|
static struct regulator_consumer_supply magician_max1587a_consumers[] = { |
|
|
REGULATOR_SUPPLY("vcc_core", NULL), |
|
|
}; |
|
|
|
|
|
static struct regulator_init_data magician_max1587a_v3_info = { |
|
|
.constraints = { |
|
|
.name = "vcc_core range", |
|
|
.min_uV = 700000, |
|
|
.max_uV = 1475000, |
|
|
.always_on = 1, |
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
|
|
}, |
|
|
.consumer_supplies = magician_max1587a_consumers, |
|
|
.num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers), |
|
|
}; |
|
|
|
|
|
static struct max1586_subdev_data magician_max1587a_subdevs[] = { |
|
|
{ |
|
|
.name = "vcc_core", |
|
|
.id = MAX1586_V3, |
|
|
.platform_data = &magician_max1587a_v3_info, |
|
|
} |
|
|
}; |
|
|
|
|
|
static struct max1586_platform_data magician_max1587a_info = { |
|
|
.subdevs = magician_max1587a_subdevs, |
|
|
.num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs), |
|
|
/* |
|
|
* NOTICE measured directly on the PCB (board_id == 0x3a), but |
|
|
* if R24 is present, it will boost the voltage |
|
|
* (write 1.475V, get 1.645V and smoke) |
|
|
*/ |
|
|
.v3_gain = MAX1586_GAIN_NO_R24, |
|
|
}; |
|
|
|
|
|
static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = { |
|
|
{ |
|
|
I2C_BOARD_INFO("max1586", 0x14), |
|
|
.platform_data = &magician_max1587a_info, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* MMC/SD |
|
|
*/ |
|
|
|
|
|
static int magician_mci_init(struct device *dev, |
|
|
irq_handler_t detect_irq, void *data) |
|
|
{ |
|
|
return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0, |
|
|
"mmc card detect", data); |
|
|
} |
|
|
|
|
|
static void magician_mci_exit(struct device *dev, void *data) |
|
|
{ |
|
|
free_irq(IRQ_MAGICIAN_SD, data); |
|
|
} |
|
|
|
|
|
static struct pxamci_platform_data magician_mci_info = { |
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
|
|
.init = magician_mci_init, |
|
|
.exit = magician_mci_exit, |
|
|
.gpio_card_ro_invert = 1, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* Write protect on EGPIO register 5 index 4, this is on the second HTC |
|
|
* EGPIO chip which starts at register 4, so we need offset 8+4=12 on that |
|
|
* particular chip. |
|
|
*/ |
|
|
#define EGPIO_MAGICIAN_nSD_READONLY_OFFSET 12 |
|
|
/* |
|
|
* Power on EGPIO register 2 index 0, so this is on the first HTC EGPIO chip |
|
|
* starting at register 0 so we need offset 2*8+0 = 16 on that chip. |
|
|
*/ |
|
|
#define EGPIO_MAGICIAN_nSD_POWER_OFFSET 16 |
|
|
|
|
|
static struct gpiod_lookup_table magician_mci_gpio_table = { |
|
|
.dev_id = "pxa2xx-mci.0", |
|
|
.table = { |
|
|
GPIO_LOOKUP("htc-egpio-1", EGPIO_MAGICIAN_nSD_READONLY_OFFSET, |
|
|
"wp", GPIO_ACTIVE_HIGH), |
|
|
GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_nSD_POWER_OFFSET, |
|
|
"power", GPIO_ACTIVE_HIGH), |
|
|
{ }, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* USB OHCI |
|
|
*/ |
|
|
|
|
|
static struct pxaohci_platform_data magician_ohci_info = { |
|
|
.port_mode = PMM_PERPORT_MODE, |
|
|
/* port1: CSR Bluetooth, port2: OTG with UDC */ |
|
|
.flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, |
|
|
.power_budget = 0, |
|
|
.power_on_delay = 100, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* StrataFlash |
|
|
*/ |
|
|
|
|
|
static int magician_flash_init(struct platform_device *pdev) |
|
|
{ |
|
|
int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable"); |
|
|
|
|
|
if (ret) { |
|
|
pr_err("Cannot request flash enable GPIO (%i)\n", ret); |
|
|
return ret; |
|
|
} |
|
|
|
|
|
ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1); |
|
|
if (ret) { |
|
|
pr_err("Cannot set direction for flash enable (%i)\n", ret); |
|
|
gpio_free(EGPIO_MAGICIAN_FLASH_VPP); |
|
|
} |
|
|
|
|
|
return ret; |
|
|
} |
|
|
|
|
|
static void magician_set_vpp(struct platform_device *pdev, int vpp) |
|
|
{ |
|
|
gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp); |
|
|
} |
|
|
|
|
|
static void magician_flash_exit(struct platform_device *pdev) |
|
|
{ |
|
|
gpio_free(EGPIO_MAGICIAN_FLASH_VPP); |
|
|
} |
|
|
|
|
|
static struct resource strataflash_resource = { |
|
|
.start = PXA_CS0_PHYS, |
|
|
.end = PXA_CS0_PHYS + SZ_64M - 1, |
|
|
.flags = IORESOURCE_MEM, |
|
|
}; |
|
|
|
|
|
static struct mtd_partition magician_flash_parts[] = { |
|
|
{ |
|
|
.name = "Bootloader", |
|
|
.offset = 0x0, |
|
|
.size = 0x40000, |
|
|
.mask_flags = MTD_WRITEABLE, /* EXPERIMENTAL */ |
|
|
}, |
|
|
{ |
|
|
.name = "Linux Kernel", |
|
|
.offset = 0x40000, |
|
|
.size = MTDPART_SIZ_FULL, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* physmap-flash driver |
|
|
*/ |
|
|
|
|
|
static struct physmap_flash_data strataflash_data = { |
|
|
.width = 4, |
|
|
.init = magician_flash_init, |
|
|
.set_vpp = magician_set_vpp, |
|
|
.exit = magician_flash_exit, |
|
|
.parts = magician_flash_parts, |
|
|
.nr_parts = ARRAY_SIZE(magician_flash_parts), |
|
|
}; |
|
|
|
|
|
static struct platform_device strataflash = { |
|
|
.name = "physmap-flash", |
|
|
.id = -1, |
|
|
.resource = &strataflash_resource, |
|
|
.num_resources = 1, |
|
|
.dev = { |
|
|
.platform_data = &strataflash_data, |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* PXA I2C main controller |
|
|
*/ |
|
|
|
|
|
static struct i2c_pxa_platform_data i2c_info = { |
|
|
/* OV9640 I2C device doesn't support fast mode */ |
|
|
.fast_mode = 0, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* PXA I2C power controller |
|
|
*/ |
|
|
|
|
|
static struct i2c_pxa_platform_data magician_i2c_power_info = { |
|
|
.fast_mode = 1, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* Touchscreen |
|
|
*/ |
|
|
|
|
|
static struct ads7846_platform_data ads7846_pdata = { |
|
|
.model = 7846, |
|
|
.x_plate_ohms = 317, |
|
|
.y_plate_ohms = 500, |
|
|
.pressure_max = 1023, /* with x plate ohms it will overflow 255 */ |
|
|
.debounce_max = 3, /* first readout is always bad */ |
|
|
.debounce_tol = 30, |
|
|
.debounce_rep = 0, |
|
|
.gpio_pendown = GPIO115_MAGICIAN_nPEN_IRQ, |
|
|
.keep_vref_on = 1, |
|
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.wakeup = true, |
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.vref_delay_usecs = 100, |
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.penirq_recheck_delay_usecs = 100, |
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}; |
|
|
|
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struct pxa2xx_spi_chip tsc2046_chip_info = { |
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|
.tx_threshold = 1, |
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|
.rx_threshold = 2, |
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|
.timeout = 64, |
|
|
/* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */ |
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|
.gpio_cs = GPIO14_MAGICIAN_TSC2046_CS, |
|
|
}; |
|
|
|
|
|
static struct pxa2xx_spi_controller magician_spi_info = { |
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|
.num_chipselect = 1, |
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|
.enable_dma = 1, |
|
|
}; |
|
|
|
|
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static struct spi_board_info ads7846_spi_board_info[] __initdata = { |
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|
{ |
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.modalias = "ads7846", |
|
|
.bus_num = 2, |
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|
.max_speed_hz = 2500000, |
|
|
.platform_data = &ads7846_pdata, |
|
|
.controller_data = &tsc2046_chip_info, |
|
|
.irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ), |
|
|
}, |
|
|
}; |
|
|
|
|
|
/* |
|
|
* Platform devices |
|
|
*/ |
|
|
|
|
|
static struct platform_device *devices[] __initdata = { |
|
|
&gpio_keys, |
|
|
&egpio, |
|
|
&backlight, |
|
|
&pasic3, |
|
|
&bq24022, |
|
|
&gpio_vbus, |
|
|
&power_supply, |
|
|
&strataflash, |
|
|
&leds_gpio, |
|
|
&vads7846_device, |
|
|
}; |
|
|
|
|
|
static struct gpio magician_global_gpios[] = { |
|
|
{ GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" }, |
|
|
{ GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" }, |
|
|
|
|
|
/* NOTICE valid LCD init sequence */ |
|
|
{ GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" }, |
|
|
{ GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" }, |
|
|
{ GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" }, |
|
|
}; |
|
|
|
|
|
static void __init magician_init(void) |
|
|
{ |
|
|
void __iomem *cpld; |
|
|
int lcd_select; |
|
|
int err; |
|
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config)); |
|
|
err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios)); |
|
|
if (err) |
|
|
pr_err("magician: Failed to request global GPIOs: %d\n", err); |
|
|
|
|
|
pxa_set_ffuart_info(NULL); |
|
|
pxa_set_btuart_info(NULL); |
|
|
|
|
|
pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup)); |
|
|
|
|
|
pxa_set_ficp_info(&magician_ficp_info); |
|
|
pxa27x_set_i2c_power_info(&magician_i2c_power_info); |
|
|
pxa_set_i2c_info(&i2c_info); |
|
|
|
|
|
i2c_register_board_info(1, |
|
|
ARRAY_AND_SIZE(magician_pwr_i2c_board_info)); |
|
|
|
|
|
gpiod_add_lookup_table(&magician_mci_gpio_table); |
|
|
pxa_set_mci_info(&magician_mci_info); |
|
|
pxa_set_ohci_info(&magician_ohci_info); |
|
|
pxa_set_udc_info(&magician_udc_info); |
|
|
|
|
|
/* Check LCD type we have */ |
|
|
cpld = ioremap(PXA_CS3_PHYS, 0x1000); |
|
|
if (cpld) { |
|
|
u8 board_id = __raw_readb(cpld + 0x14); |
|
|
|
|
|
iounmap(cpld); |
|
|
system_rev = board_id & 0x7; |
|
|
lcd_select = board_id & 0x8; |
|
|
pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly"); |
|
|
if (lcd_select && (system_rev < 3)) |
|
|
/* NOTICE valid LCD init sequence */ |
|
|
gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER, |
|
|
GPIOF_OUT_INIT_LOW, "Samsung LCD Power"); |
|
|
pxa_set_fb_info(NULL, |
|
|
lcd_select ? &samsung_info : &toppoly_info); |
|
|
} else |
|
|
pr_err("LCD detection: CPLD mapping failed\n"); |
|
|
|
|
|
pxa2xx_set_spi_info(2, &magician_spi_info); |
|
|
spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info)); |
|
|
|
|
|
regulator_register_always_on(0, "power", pwm_backlight_supply, |
|
|
ARRAY_SIZE(pwm_backlight_supply), 5000000); |
|
|
|
|
|
gpiod_add_lookup_table(&bq24022_gpiod_table); |
|
|
gpiod_add_lookup_table(&gpio_vbus_gpiod_table); |
|
|
platform_add_devices(ARRAY_AND_SIZE(devices)); |
|
|
} |
|
|
|
|
|
MACHINE_START(MAGICIAN, "HTC Magician") |
|
|
.atag_offset = 0x100, |
|
|
.map_io = pxa27x_map_io, |
|
|
.nr_irqs = MAGICIAN_NR_IRQS, |
|
|
.init_irq = pxa27x_init_irq, |
|
|
.handle_irq = pxa27x_handle_irq, |
|
|
.init_machine = magician_init, |
|
|
.init_time = pxa_timer_init, |
|
|
.restart = pxa_restart, |
|
|
MACHINE_END
|
|
|
|