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784 lines
20 KiB
784 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Handles the Mitac Mio A701 Board |
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* |
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* Copyright (C) 2008 Robert Jarzmik |
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*/ |
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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/syscore_ops.h> |
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#include <linux/input.h> |
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#include <linux/delay.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/pwm.h> |
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#include <linux/pwm_backlight.h> |
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#include <linux/rtc.h> |
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#include <linux/leds.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/interrupt.h> |
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#include <linux/irq.h> |
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#include <linux/pda_power.h> |
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#include <linux/power_supply.h> |
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#include <linux/wm97xx.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/reboot.h> |
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#include <linux/regulator/fixed.h> |
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#include <linux/regulator/max1586.h> |
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#include <linux/slab.h> |
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#include <linux/platform_data/i2c-pxa.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 "regs-rtc.h" |
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#include <linux/platform_data/keypad-pxa27x.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 "udc.h" |
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#include "pxa27x-udc.h" |
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#include <linux/platform_data/media/camera-pxa.h> |
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#include <mach/audio.h> |
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#include <mach/smemc.h> |
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#include "mioa701.h" |
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#include "generic.h" |
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#include "devices.h" |
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static unsigned long mioa701_pin_config[] = { |
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/* Mio global */ |
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MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
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MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), |
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MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), |
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MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
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/* Backlight PWM 0 */ |
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GPIO16_PWM0_OUT, |
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/* MMC */ |
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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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MIO_CFG_IN(GPIO78_SDIO_RO, AF0), |
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MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), |
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MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), |
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/* USB */ |
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MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
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MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* QCI */ |
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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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MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW), |
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/* Bluetooth */ |
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MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
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GPIO44_BTUART_CTS, |
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GPIO42_BTUART_RXD, |
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GPIO45_BTUART_RTS, |
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GPIO43_BTUART_TXD, |
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MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), |
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/* GPS */ |
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MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), |
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GPIO46_STUART_RXD, |
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GPIO47_STUART_TXD, |
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/* GSM */ |
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MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), |
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MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), |
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MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), |
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MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, |
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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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GPIO39_FFUART_TXD, |
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GPIO40_FFUART_DTR, |
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GPIO41_FFUART_RTS, |
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/* Sound */ |
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GPIO28_AC97_BITCLK, |
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GPIO29_AC97_SDATA_IN_0, |
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GPIO30_AC97_SDATA_OUT, |
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GPIO31_AC97_SYNC, |
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GPIO89_AC97_SYSCLK, |
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MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), |
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|
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/* Leds */ |
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MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), |
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MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), |
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/* Keyboard */ |
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MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, |
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MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), |
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MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), |
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GPIO100_KP_MKIN_0, |
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GPIO101_KP_MKIN_1, |
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GPIO102_KP_MKIN_2, |
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GPIO103_KP_MKOUT_0, |
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GPIO104_KP_MKOUT_1, |
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GPIO105_KP_MKOUT_2, |
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/* I2C */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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/* Unknown */ |
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MFP_CFG_IN(GPIO20, AF0), |
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MFP_CFG_IN(GPIO21, AF0), |
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MFP_CFG_IN(GPIO33, AF0), |
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MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), |
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MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), |
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MFP_CFG_IN(GPIO96, AF0), |
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MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), |
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}; |
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static struct pwm_lookup mioa701_pwm_lookup[] = { |
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PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024, |
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PWM_POLARITY_NORMAL), |
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}; |
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/* LCD Screen and Backlight */ |
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static struct platform_pwm_backlight_data mioa701_backlight_data = { |
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.max_brightness = 100, |
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.dft_brightness = 50, |
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}; |
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/* |
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* LTM0305A776C LCD panel timings |
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* |
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* see: |
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* - the LTM0305A776C datasheet, |
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* - and the PXA27x Programmers' manual |
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*/ |
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static struct pxafb_mode_info mioa701_ltm0305a776c = { |
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.pixclock = 220000, /* CLK=4.545 MHz */ |
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.xres = 240, |
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.yres = 320, |
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.bpp = 16, |
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.hsync_len = 4, |
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.vsync_len = 2, |
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.left_margin = 6, |
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.right_margin = 4, |
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.upper_margin = 5, |
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.lower_margin = 3, |
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}; |
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static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) |
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{ |
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gpio_set_value(GPIO87_LCD_POWER, on); |
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} |
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static struct pxafb_mach_info mioa701_pxafb_info = { |
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.modes = &mioa701_ltm0305a776c, |
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.num_modes = 1, |
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
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.pxafb_lcd_power = mioa701_lcd_power, |
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}; |
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/* |
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* Keyboard configuration |
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*/ |
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static const unsigned int mioa701_matrix_keys[] = { |
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KEY(0, 0, KEY_UP), |
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KEY(0, 1, KEY_RIGHT), |
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KEY(0, 2, KEY_MEDIA), |
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KEY(1, 0, KEY_DOWN), |
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KEY(1, 1, KEY_ENTER), |
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KEY(1, 2, KEY_CONNECT), /* GPS key */ |
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KEY(2, 0, KEY_LEFT), |
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KEY(2, 1, KEY_PHONE), /* Phone Green key */ |
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KEY(2, 2, KEY_CAMERA) /* Camera key */ |
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}; |
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static struct matrix_keymap_data mioa701_matrix_keymap_data = { |
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.keymap = mioa701_matrix_keys, |
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.keymap_size = ARRAY_SIZE(mioa701_matrix_keys), |
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}; |
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static struct pxa27x_keypad_platform_data mioa701_keypad_info = { |
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.matrix_key_rows = 3, |
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.matrix_key_cols = 3, |
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.matrix_keymap_data = &mioa701_matrix_keymap_data, |
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}; |
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/* |
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* GPIO Key Configuration |
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*/ |
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#define MIO_KEY(key, _gpio, _desc, _wakeup) \ |
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{ .code = (key), .gpio = (_gpio), .active_low = 0, \ |
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.desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } |
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static struct gpio_keys_button mioa701_button_table[] = { |
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MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), |
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MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), |
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MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), |
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MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) |
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}; |
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static struct gpio_keys_platform_data mioa701_gpio_keys_data = { |
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.buttons = mioa701_button_table, |
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.nbuttons = ARRAY_SIZE(mioa701_button_table), |
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}; |
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/* |
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* Leds and vibrator |
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*/ |
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#define ONE_LED(_gpio, _name) \ |
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{ .gpio = (_gpio), .name = (_name), .active_low = true } |
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static struct gpio_led gpio_leds[] = { |
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ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), |
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ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), |
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ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), |
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ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), |
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ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") |
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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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/* |
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* GSM Sagem XS200 chip |
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* |
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* GSM handling was purged from kernel. For history, this is the way to go : |
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* - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 |
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* GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 |
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* - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), |
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* GPIO24_GSM_MOD_RESET_CMD = 0 |
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* - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), |
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* GPIO88_GSM_nMOD_ON_CMD = 1 |
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* - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), |
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* GPIO90_GSM_nMOD_OFF_CMD = 1 |
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*/ |
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static int is_gsm_on(void) |
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{ |
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int is_on; |
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is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); |
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return is_on; |
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} |
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irqreturn_t gsm_on_irq(int irq, void *p) |
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{ |
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printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", |
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is_gsm_on() ? "on" : "off"); |
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return IRQ_HANDLED; |
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} |
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static struct gpio gsm_gpios[] = { |
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{ GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" }, |
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{ GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" }, |
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}; |
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static int __init gsm_init(void) |
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{ |
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int rc; |
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rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios)); |
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if (rc) |
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goto err_gpio; |
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rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, |
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IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
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"GSM XS200 Power Irq", NULL); |
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if (rc) |
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goto err_irq; |
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gpio_set_wake(GPIO113_GSM_EVENT, 1); |
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return 0; |
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err_irq: |
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printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); |
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gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); |
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err_gpio: |
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printk(KERN_ERR "Mioa701: gsm not available\n"); |
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return rc; |
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} |
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static void gsm_exit(void) |
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{ |
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free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); |
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gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); |
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} |
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/* |
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* Bluetooth BRF6150 chip |
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* |
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* BT handling was purged from kernel. For history, this is the way to go : |
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* - turn on : GPIO83_BT_ON = 1 |
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* - turn off : GPIO83_BT_ON = 0 |
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*/ |
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/* |
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* GPS Sirf Star III chip |
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* |
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* GPS handling was purged from kernel. For history, this is the way to go : |
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* - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 |
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* GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 |
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* - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 |
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* - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 |
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*/ |
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/* |
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* USB UDC |
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*/ |
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static int is_usb_connected(void) |
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{ |
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return !gpio_get_value(GPIO13_nUSB_DETECT); |
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} |
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static struct pxa2xx_udc_mach_info mioa701_udc_info = { |
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.udc_is_connected = is_usb_connected, |
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.gpio_pullup = GPIO22_USB_ENABLE, |
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}; |
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static struct gpiod_lookup_table gpio_vbus_gpiod_table = { |
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.dev_id = "gpio-vbus", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO13_nUSB_DETECT, |
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"vbus", GPIO_ACTIVE_LOW), |
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{ }, |
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}, |
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}; |
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/* |
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* SDIO/MMC Card controller |
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*/ |
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/** |
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* The card detect interrupt isn't debounced so we delay it by 250ms |
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* to give the card a chance to fully insert/eject. |
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*/ |
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static struct pxamci_platform_data mioa701_mci_info = { |
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.detect_delay_ms = 250, |
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
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}; |
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static struct gpiod_lookup_table mioa701_mci_gpio_table = { |
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.dev_id = "pxa2xx-mci.0", |
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.table = { |
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/* Card detect on GPIO 15 */ |
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GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT, |
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"cd", GPIO_ACTIVE_LOW), |
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/* Write protect on GPIO 78 */ |
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GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO, |
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"wp", GPIO_ACTIVE_LOW), |
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/* Power on GPIO 91 */ |
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GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN, |
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"power", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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|
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/* FlashRAM */ |
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static struct resource docg3_resource = { |
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.start = PXA_CS0_PHYS, |
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.end = PXA_CS0_PHYS + SZ_8K - 1, |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct platform_device docg3 = { |
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.name = "docg3", |
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.id = -1, |
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.resource = &docg3_resource, |
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.num_resources = 1, |
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.dev = { |
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.platform_data = NULL, |
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}, |
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}; |
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|
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/* |
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* Suspend/Resume bootstrap management |
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* |
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* MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled, |
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* this sequence is as follows : |
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* - disables interrupts |
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* - initialize SDRAM (self refresh RAM into active RAM) |
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* - initialize GPIOs (depends on value at 0xa020b020) |
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* - initialize coprossessors |
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* - if edge detect on PWR_SCL(GPIO3), then proceed to cold start |
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* - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start |
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* - else do a resume, ie. jump to addr 0xa0100000 |
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*/ |
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#define RESUME_ENABLE_ADDR 0xa020b000 |
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#define RESUME_ENABLE_VAL 0x0f0f0f0f |
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#define RESUME_BT_ADDR 0xa020b020 |
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#define RESUME_UNKNOWN_ADDR 0xa020b024 |
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#define RESUME_VECTOR_ADDR 0xa0100000 |
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#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 |
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|
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static u32 *save_buffer; |
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|
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static void install_bootstrap(void) |
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{ |
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int i; |
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u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); |
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u32 *src = &mioa701_bootstrap; |
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|
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for (i = 0; i < BOOTSTRAP_WORDS; i++) |
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rom_bootstrap[i] = src[i]; |
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} |
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|
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|
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static int mioa701_sys_suspend(void) |
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{ |
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int i = 0, is_bt_on; |
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u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); |
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u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); |
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u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); |
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u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); |
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|
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/* Devices prepare suspend */ |
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is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
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pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
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is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); |
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|
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for (i = 0; i < BOOTSTRAP_WORDS; i++) |
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save_buffer[i] = mem_resume_vector[i]; |
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save_buffer[i++] = *mem_resume_enabler; |
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save_buffer[i++] = *mem_resume_bt; |
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save_buffer[i++] = *mem_resume_unknown; |
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|
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*mem_resume_enabler = RESUME_ENABLE_VAL; |
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*mem_resume_bt = is_bt_on; |
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|
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install_bootstrap(); |
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return 0; |
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} |
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|
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static void mioa701_sys_resume(void) |
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{ |
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int i = 0; |
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u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); |
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u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); |
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u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); |
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u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); |
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|
|
for (i = 0; i < BOOTSTRAP_WORDS; i++) |
|
mem_resume_vector[i] = save_buffer[i]; |
|
*mem_resume_enabler = save_buffer[i++]; |
|
*mem_resume_bt = save_buffer[i++]; |
|
*mem_resume_unknown = save_buffer[i++]; |
|
} |
|
|
|
static struct syscore_ops mioa701_syscore_ops = { |
|
.suspend = mioa701_sys_suspend, |
|
.resume = mioa701_sys_resume, |
|
}; |
|
|
|
static int __init bootstrap_init(void) |
|
{ |
|
int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); |
|
|
|
register_syscore_ops(&mioa701_syscore_ops); |
|
|
|
save_buffer = kmalloc(save_size, GFP_KERNEL); |
|
if (!save_buffer) |
|
return -ENOMEM; |
|
printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", |
|
save_size); |
|
return 0; |
|
} |
|
|
|
static void bootstrap_exit(void) |
|
{ |
|
kfree(save_buffer); |
|
unregister_syscore_ops(&mioa701_syscore_ops); |
|
|
|
printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" |
|
"resume !!!\n"); |
|
} |
|
|
|
/* |
|
* Power Supply |
|
*/ |
|
static char *supplicants[] = { |
|
"mioa701_battery" |
|
}; |
|
|
|
static int is_ac_connected(void) |
|
{ |
|
return gpio_get_value(GPIO96_AC_DETECT); |
|
} |
|
|
|
static void mioa701_set_charge(int flags) |
|
{ |
|
gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
|
} |
|
|
|
static struct pda_power_pdata power_pdata = { |
|
.is_ac_online = is_ac_connected, |
|
.is_usb_online = is_usb_connected, |
|
.set_charge = mioa701_set_charge, |
|
.supplied_to = supplicants, |
|
.num_supplicants = ARRAY_SIZE(supplicants), |
|
}; |
|
|
|
static struct resource power_resources[] = { |
|
[0] = { |
|
.name = "ac", |
|
.start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), |
|
.end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), |
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
|
IORESOURCE_IRQ_LOWEDGE, |
|
}, |
|
[1] = { |
|
.name = "usb", |
|
.start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), |
|
.end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), |
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
|
IORESOURCE_IRQ_LOWEDGE, |
|
}, |
|
}; |
|
|
|
static struct platform_device power_dev = { |
|
.name = "pda-power", |
|
.id = -1, |
|
.resource = power_resources, |
|
.num_resources = ARRAY_SIZE(power_resources), |
|
.dev = { |
|
.platform_data = &power_pdata, |
|
}, |
|
}; |
|
|
|
static struct wm97xx_batt_pdata mioa701_battery_data = { |
|
.batt_aux = WM97XX_AUX_ID1, |
|
.temp_aux = -1, |
|
.min_voltage = 0xc00, |
|
.max_voltage = 0xfc0, |
|
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, |
|
.batt_div = 1, |
|
.batt_mult = 1, |
|
.batt_name = "mioa701_battery", |
|
}; |
|
|
|
static struct wm97xx_pdata mioa701_wm97xx_pdata = { |
|
.batt_pdata = &mioa701_battery_data, |
|
}; |
|
|
|
/* |
|
* Voltage regulation |
|
*/ |
|
static struct regulator_consumer_supply max1586_consumers[] = { |
|
REGULATOR_SUPPLY("vcc_core", NULL), |
|
}; |
|
|
|
static struct regulator_init_data max1586_v3_info = { |
|
.constraints = { |
|
.name = "vcc_core range", |
|
.min_uV = 1000000, |
|
.max_uV = 1705000, |
|
.always_on = 1, |
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
|
}, |
|
.num_consumer_supplies = ARRAY_SIZE(max1586_consumers), |
|
.consumer_supplies = max1586_consumers, |
|
}; |
|
|
|
static struct max1586_subdev_data max1586_subdevs[] = { |
|
{ .name = "vcc_core", .id = MAX1586_V3, |
|
.platform_data = &max1586_v3_info }, |
|
}; |
|
|
|
static struct max1586_platform_data max1586_info = { |
|
.subdevs = max1586_subdevs, |
|
.num_subdevs = ARRAY_SIZE(max1586_subdevs), |
|
.v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ |
|
}; |
|
|
|
/* |
|
* Camera interface |
|
*/ |
|
struct pxacamera_platform_data mioa701_pxacamera_platform_data = { |
|
.flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | |
|
PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, |
|
.mclk_10khz = 5000, |
|
.sensor_i2c_adapter_id = 0, |
|
.sensor_i2c_address = 0x5d, |
|
}; |
|
|
|
static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { |
|
{ |
|
I2C_BOARD_INFO("max1586", 0x14), |
|
.platform_data = &max1586_info, |
|
}, |
|
}; |
|
|
|
/* Board I2C devices. */ |
|
static struct i2c_board_info mioa701_i2c_devices[] = { |
|
{ |
|
I2C_BOARD_INFO("mt9m111", 0x5d), |
|
}, |
|
}; |
|
|
|
struct i2c_pxa_platform_data i2c_pdata = { |
|
.fast_mode = 1, |
|
}; |
|
|
|
static pxa2xx_audio_ops_t mioa701_ac97_info = { |
|
.reset_gpio = 95, |
|
.codec_pdata = { &mioa701_wm97xx_pdata, }, |
|
}; |
|
|
|
/* |
|
* Mio global |
|
*/ |
|
|
|
/* Devices */ |
|
#define MIO_PARENT_DEV(var, strname, tparent, pdata) \ |
|
static struct platform_device var = { \ |
|
.name = strname, \ |
|
.id = -1, \ |
|
.dev = { \ |
|
.platform_data = pdata, \ |
|
.parent = tparent, \ |
|
}, \ |
|
}; |
|
#define MIO_SIMPLE_DEV(var, strname, pdata) \ |
|
MIO_PARENT_DEV(var, strname, NULL, pdata) |
|
|
|
MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) |
|
MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, |
|
&mioa701_backlight_data); |
|
MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) |
|
MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) |
|
MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) |
|
MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) |
|
MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", NULL); |
|
|
|
static struct platform_device *devices[] __initdata = { |
|
&mioa701_gpio_keys, |
|
&mioa701_backlight, |
|
&mioa701_led, |
|
&pxa2xx_pcm, |
|
&mioa701_sound, |
|
&power_dev, |
|
&docg3, |
|
&gpio_vbus, |
|
&mioa701_board, |
|
}; |
|
|
|
static void mioa701_machine_exit(void); |
|
|
|
static void mioa701_poweroff(void) |
|
{ |
|
mioa701_machine_exit(); |
|
pxa_restart(REBOOT_SOFT, NULL); |
|
} |
|
|
|
static void mioa701_restart(enum reboot_mode c, const char *cmd) |
|
{ |
|
mioa701_machine_exit(); |
|
pxa_restart(REBOOT_SOFT, cmd); |
|
} |
|
|
|
static struct gpio global_gpios[] = { |
|
{ GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" }, |
|
{ GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" }, |
|
{ GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" }, |
|
{ GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" }, |
|
}; |
|
|
|
static struct regulator_consumer_supply fixed_5v0_consumers[] = { |
|
REGULATOR_SUPPLY("power", "pwm-backlight"), |
|
}; |
|
|
|
static void __init mioa701_machine_init(void) |
|
{ |
|
int rc; |
|
|
|
PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ |
|
PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; |
|
RTTR = 32768 - 1; /* Reset crazy WinCE value */ |
|
UP2OCR = UP2OCR_HXOE; |
|
|
|
/* |
|
* Set up the flash memory : DiskOnChip G3 on first static memory bank |
|
*/ |
|
__raw_writel(0x7ff02dd8, MSC0); |
|
__raw_writel(0x0001c391, MCMEM0); |
|
__raw_writel(0x0001c391, MCATT0); |
|
__raw_writel(0x0001c391, MCIO0); |
|
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); |
|
pxa_set_ffuart_info(NULL); |
|
pxa_set_btuart_info(NULL); |
|
pxa_set_stuart_info(NULL); |
|
rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); |
|
if (rc) |
|
pr_err("MioA701: Failed to request GPIOs: %d", rc); |
|
bootstrap_init(); |
|
pxa_set_fb_info(NULL, &mioa701_pxafb_info); |
|
gpiod_add_lookup_table(&mioa701_mci_gpio_table); |
|
pxa_set_mci_info(&mioa701_mci_info); |
|
pxa_set_keypad_info(&mioa701_keypad_info); |
|
pxa_set_udc_info(&mioa701_udc_info); |
|
pxa_set_ac97_info(&mioa701_ac97_info); |
|
pm_power_off = mioa701_poweroff; |
|
pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup)); |
|
gpiod_add_lookup_table(&gpio_vbus_gpiod_table); |
|
platform_add_devices(devices, ARRAY_SIZE(devices)); |
|
gsm_init(); |
|
|
|
i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices)); |
|
i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices)); |
|
pxa_set_i2c_info(&i2c_pdata); |
|
pxa27x_set_i2c_power_info(NULL); |
|
pxa_set_camera_info(&mioa701_pxacamera_platform_data); |
|
|
|
regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers, |
|
ARRAY_SIZE(fixed_5v0_consumers), |
|
5000000); |
|
regulator_has_full_constraints(); |
|
} |
|
|
|
static void mioa701_machine_exit(void) |
|
{ |
|
bootstrap_exit(); |
|
gsm_exit(); |
|
} |
|
|
|
MACHINE_START(MIOA701, "MIO A701") |
|
.atag_offset = 0x100, |
|
.map_io = &pxa27x_map_io, |
|
.nr_irqs = PXA_NR_IRQS, |
|
.init_irq = &pxa27x_init_irq, |
|
.handle_irq = &pxa27x_handle_irq, |
|
.init_machine = mioa701_machine_init, |
|
.init_time = pxa_timer_init, |
|
.restart = mioa701_restart, |
|
MACHINE_END
|
|
|