![Axel Lin](/assets/img/avatar_default.png)
Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Eric Miao <eric.y.miao@gmail.com> Tested-by: Paul Parsons <lost.distance@yahoo.com> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
862 lines
19 KiB
C
862 lines
19 KiB
C
/*
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* linux/arch/arm/mach-pxa/cm-x300.c
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*
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* Support for the CompuLab CM-X300 modules
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*
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* Copyright (C) 2008,2009 CompuLab Ltd.
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*
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* Mike Rapoport <mike@compulab.co.il>
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* Igor Grinberg <grinberg@compulab.co.il>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#define pr_fmt(fmt) "%s: " fmt, __func__
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/dm9000.h>
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#include <linux/leds.h>
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#include <linux/rtc-v3020.h>
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#include <linux/pwm_backlight.h>
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#include <linux/i2c.h>
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#include <linux/i2c/pca953x.h>
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#include <linux/i2c/pxa-i2c.h>
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#include <linux/mfd/da903x.h>
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#include <linux/regulator/machine.h>
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#include <linux/power_supply.h>
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#include <linux/apm-emulation.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/spi_gpio.h>
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#include <linux/spi/tdo24m.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/setup.h>
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#include <asm/system_info.h>
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#include <mach/pxa300.h>
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#include <mach/pxa27x-udc.h>
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#include <mach/pxafb.h>
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#include <mach/mmc.h>
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#include <mach/ohci.h>
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#include <plat/pxa3xx_nand.h>
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#include <mach/audio.h>
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#include <mach/pxa3xx-u2d.h>
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#include <asm/mach/map.h>
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#include "generic.h"
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#include "devices.h"
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#define CM_X300_ETH_PHYS 0x08000010
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#define GPIO82_MMC_IRQ (82)
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#define GPIO85_MMC_WP (85)
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#define CM_X300_MMC_IRQ PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
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#define GPIO95_RTC_CS (95)
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#define GPIO96_RTC_WR (96)
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#define GPIO97_RTC_RD (97)
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#define GPIO98_RTC_IO (98)
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#define GPIO_ULPI_PHY_RST (127)
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static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
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/* LCD */
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GPIO54_LCD_LDD_0,
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GPIO55_LCD_LDD_1,
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GPIO56_LCD_LDD_2,
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GPIO57_LCD_LDD_3,
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GPIO58_LCD_LDD_4,
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GPIO59_LCD_LDD_5,
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GPIO60_LCD_LDD_6,
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GPIO61_LCD_LDD_7,
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GPIO62_LCD_LDD_8,
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GPIO63_LCD_LDD_9,
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GPIO64_LCD_LDD_10,
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GPIO65_LCD_LDD_11,
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GPIO66_LCD_LDD_12,
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GPIO67_LCD_LDD_13,
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GPIO68_LCD_LDD_14,
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GPIO69_LCD_LDD_15,
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GPIO72_LCD_FCLK,
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GPIO73_LCD_LCLK,
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GPIO74_LCD_PCLK,
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GPIO75_LCD_BIAS,
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/* BTUART */
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GPIO111_UART2_RTS,
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GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
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GPIO113_UART2_TXD,
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GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
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/* STUART */
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GPIO109_UART3_TXD,
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GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
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/* AC97 */
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GPIO23_AC97_nACRESET,
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GPIO24_AC97_SYSCLK,
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GPIO29_AC97_BITCLK,
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GPIO25_AC97_SDATA_IN_0,
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GPIO27_AC97_SDATA_OUT,
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GPIO28_AC97_SYNC,
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/* Keypad */
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GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
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GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
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GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
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GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
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GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
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GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
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GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
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GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
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GPIO121_KP_MKOUT_0,
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GPIO122_KP_MKOUT_1,
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GPIO123_KP_MKOUT_2,
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GPIO124_KP_MKOUT_3,
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GPIO125_KP_MKOUT_4,
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GPIO4_2_KP_MKOUT_5,
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/* MMC1 */
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GPIO3_MMC1_DAT0,
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GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
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GPIO5_MMC1_DAT2,
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GPIO6_MMC1_DAT3,
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GPIO7_MMC1_CLK,
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GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
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/* MMC2 */
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GPIO9_MMC2_DAT0,
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GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
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GPIO11_MMC2_DAT2,
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GPIO12_MMC2_DAT3,
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GPIO13_MMC2_CLK,
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GPIO14_MMC2_CMD,
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/* FFUART */
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GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
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GPIO31_UART1_TXD,
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GPIO32_UART1_CTS,
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GPIO37_UART1_RTS,
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GPIO33_UART1_DCD,
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GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
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GPIO35_UART1_RI,
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GPIO36_UART1_DTR,
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/* GPIOs */
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GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
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GPIO85_GPIO, /* MMC WP */
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GPIO99_GPIO, /* Ethernet IRQ */
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/* RTC GPIOs */
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GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */
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GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */
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GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */
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GPIO98_GPIO, /* RTC IO */
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/* Standard I2C */
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GPIO21_I2C_SCL,
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GPIO22_I2C_SDA,
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/* PWM Backlight */
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GPIO19_PWM2_OUT,
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};
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static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
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/* GPIOs */
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GPIO79_GPIO, /* LED */
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GPIO77_GPIO, /* WiFi reset */
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GPIO78_GPIO, /* BT reset */
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};
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static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
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/* GPIOs */
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GPIO76_GPIO, /* LED */
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GPIO71_GPIO, /* WiFi reset */
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GPIO70_GPIO, /* BT reset */
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};
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static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
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/* USB PORT 2 */
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ULPI_STP,
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ULPI_NXT,
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ULPI_DIR,
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GPIO30_ULPI_DATA_OUT_0,
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GPIO31_ULPI_DATA_OUT_1,
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GPIO32_ULPI_DATA_OUT_2,
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GPIO33_ULPI_DATA_OUT_3,
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GPIO34_ULPI_DATA_OUT_4,
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GPIO35_ULPI_DATA_OUT_5,
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GPIO36_ULPI_DATA_OUT_6,
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GPIO37_ULPI_DATA_OUT_7,
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GPIO38_ULPI_CLK,
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/* external PHY reset pin */
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GPIO127_GPIO,
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/* USB PORT 3 */
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GPIO77_USB_P3_1,
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GPIO78_USB_P3_2,
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GPIO79_USB_P3_3,
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GPIO80_USB_P3_4,
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GPIO81_USB_P3_5,
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GPIO82_USB_P3_6,
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GPIO0_2_USBH_PEN,
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};
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#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
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static struct resource dm9000_resources[] = {
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[0] = {
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.start = CM_X300_ETH_PHYS,
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.end = CM_X300_ETH_PHYS + 0x3,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = CM_X300_ETH_PHYS + 0x4,
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.end = CM_X300_ETH_PHYS + 0x4 + 500,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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.start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
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.end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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}
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};
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static struct dm9000_plat_data cm_x300_dm9000_platdata = {
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.flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
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};
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static struct platform_device dm9000_device = {
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.name = "dm9000",
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.id = 0,
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.num_resources = ARRAY_SIZE(dm9000_resources),
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.resource = dm9000_resources,
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.dev = {
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.platform_data = &cm_x300_dm9000_platdata,
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}
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};
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static void __init cm_x300_init_dm9000(void)
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{
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platform_device_register(&dm9000_device);
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}
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#else
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static inline void cm_x300_init_dm9000(void) {}
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#endif
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/* LCD */
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static struct pxafb_mode_info cm_x300_lcd_modes[] = {
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[0] = {
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.pixclock = 38250,
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.bpp = 16,
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.xres = 480,
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.yres = 640,
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.hsync_len = 8,
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.vsync_len = 2,
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.left_margin = 8,
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.upper_margin = 2,
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.right_margin = 24,
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.lower_margin = 4,
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.cmap_greyscale = 0,
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},
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[1] = {
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.pixclock = 153800,
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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 = 2,
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.left_margin = 8,
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.upper_margin = 2,
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.right_margin = 88,
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.lower_margin = 2,
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.cmap_greyscale = 0,
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},
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};
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static struct pxafb_mach_info cm_x300_lcd = {
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.modes = cm_x300_lcd_modes,
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.num_modes = ARRAY_SIZE(cm_x300_lcd_modes),
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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static void __init cm_x300_init_lcd(void)
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{
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pxa_set_fb_info(NULL, &cm_x300_lcd);
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}
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#else
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static inline void cm_x300_init_lcd(void) {}
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#endif
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#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
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static struct platform_pwm_backlight_data cm_x300_backlight_data = {
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.pwm_id = 2,
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.max_brightness = 100,
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.dft_brightness = 100,
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.pwm_period_ns = 10000,
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};
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static struct platform_device cm_x300_backlight_device = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm0.dev,
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.platform_data = &cm_x300_backlight_data,
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},
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};
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static void cm_x300_init_bl(void)
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{
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platform_device_register(&cm_x300_backlight_device);
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}
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#else
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static inline void cm_x300_init_bl(void) {}
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#endif
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#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
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#define GPIO_LCD_BASE (144)
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#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
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#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
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#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
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#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
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#define LCD_SPI_BUS_NUM (1)
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static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
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.sck = GPIO_LCD_SCL,
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.mosi = GPIO_LCD_DIN,
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.miso = GPIO_LCD_DOUT,
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.num_chipselect = 1,
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};
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static struct platform_device cm_x300_spi_gpio = {
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.name = "spi_gpio",
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.id = LCD_SPI_BUS_NUM,
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.dev = {
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.platform_data = &cm_x300_spi_gpio_pdata,
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},
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};
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static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
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.model = TDO35S,
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};
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static struct spi_board_info cm_x300_spi_devices[] __initdata = {
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{
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.modalias = "tdo24m",
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.max_speed_hz = 1000000,
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.bus_num = LCD_SPI_BUS_NUM,
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.chip_select = 0,
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.controller_data = (void *) GPIO_LCD_CS,
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.platform_data = &cm_x300_tdo24m_pdata,
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},
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};
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static void __init cm_x300_init_spi(void)
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{
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spi_register_board_info(cm_x300_spi_devices,
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ARRAY_SIZE(cm_x300_spi_devices));
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platform_device_register(&cm_x300_spi_gpio);
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}
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#else
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static inline void cm_x300_init_spi(void) {}
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#endif
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#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
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static void __init cm_x300_init_ac97(void)
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{
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pxa_set_ac97_info(NULL);
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}
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#else
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static inline void cm_x300_init_ac97(void) {}
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#endif
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#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
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static struct mtd_partition cm_x300_nand_partitions[] = {
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[0] = {
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.name = "OBM",
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.offset = 0,
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.size = SZ_256K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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[1] = {
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.name = "U-Boot",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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[2] = {
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.name = "Environment",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K,
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},
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[3] = {
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.name = "reserved",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K + SZ_1M,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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[4] = {
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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},
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[5] = {
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.name = "fs",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
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.enable_arbiter = 1,
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.keep_config = 1,
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.num_cs = 1,
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.parts[0] = cm_x300_nand_partitions,
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.nr_parts[0] = ARRAY_SIZE(cm_x300_nand_partitions),
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};
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static void __init cm_x300_init_nand(void)
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{
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pxa3xx_set_nand_info(&cm_x300_nand_info);
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}
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#else
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static inline void cm_x300_init_nand(void) {}
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#endif
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#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
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static struct pxamci_platform_data cm_x300_mci_platform_data = {
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.detect_delay_ms = 200,
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.gpio_card_detect = GPIO82_MMC_IRQ,
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.gpio_card_ro = GPIO85_MMC_WP,
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.gpio_power = -1,
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};
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/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
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no detection/ro pins */
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static int cm_x300_mci2_init(struct device *dev,
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irq_handler_t cm_x300_detect_int,
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void *data)
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{
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return 0;
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}
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static void cm_x300_mci2_exit(struct device *dev, void *data)
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{
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}
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static struct pxamci_platform_data cm_x300_mci2_platform_data = {
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.detect_delay_ms = 200,
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = cm_x300_mci2_init,
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|
.exit = cm_x300_mci2_exit,
|
|
.gpio_card_detect = -1,
|
|
.gpio_card_ro = -1,
|
|
.gpio_power = -1,
|
|
};
|
|
|
|
static void __init cm_x300_init_mmc(void)
|
|
{
|
|
pxa_set_mci_info(&cm_x300_mci_platform_data);
|
|
pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_mmc(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_PXA310_ULPI)
|
|
static struct clk *pout_clk;
|
|
|
|
static int cm_x300_ulpi_phy_reset(void)
|
|
{
|
|
int err;
|
|
|
|
/* reset the PHY */
|
|
err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
|
|
"ulpi reset");
|
|
if (err) {
|
|
pr_err("failed to request ULPI reset GPIO: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
msleep(10);
|
|
gpio_set_value(GPIO_ULPI_PHY_RST, 1);
|
|
msleep(10);
|
|
|
|
gpio_free(GPIO_ULPI_PHY_RST);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int cm_x300_u2d_init(struct device *dev)
|
|
{
|
|
int err = 0;
|
|
|
|
if (cpu_is_pxa310()) {
|
|
/* CLK_POUT is connected to the ULPI PHY */
|
|
pout_clk = clk_get(NULL, "CLK_POUT");
|
|
if (IS_ERR(pout_clk)) {
|
|
err = PTR_ERR(pout_clk);
|
|
pr_err("failed to get CLK_POUT: %d\n", err);
|
|
return err;
|
|
}
|
|
clk_enable(pout_clk);
|
|
|
|
err = cm_x300_ulpi_phy_reset();
|
|
if (err) {
|
|
clk_disable(pout_clk);
|
|
clk_put(pout_clk);
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void cm_x300_u2d_exit(struct device *dev)
|
|
{
|
|
if (cpu_is_pxa310()) {
|
|
clk_disable(pout_clk);
|
|
clk_put(pout_clk);
|
|
}
|
|
}
|
|
|
|
static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
|
|
.ulpi_mode = ULPI_SER_6PIN,
|
|
.init = cm_x300_u2d_init,
|
|
.exit = cm_x300_u2d_exit,
|
|
};
|
|
|
|
static void cm_x300_init_u2d(void)
|
|
{
|
|
pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_u2d(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
|
|
static int cm_x300_ohci_init(struct device *dev)
|
|
{
|
|
if (cpu_is_pxa300())
|
|
UP2OCR = UP2OCR_HXS
|
|
| UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
|
|
.port_mode = PMM_PERPORT_MODE,
|
|
.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
|
|
.init = cm_x300_ohci_init,
|
|
};
|
|
|
|
static void __init cm_x300_init_ohci(void)
|
|
{
|
|
pxa_set_ohci_info(&cm_x300_ohci_platform_data);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_ohci(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
|
|
static struct gpio_led cm_x300_leds[] = {
|
|
[0] = {
|
|
.name = "cm-x300:green",
|
|
.default_trigger = "heartbeat",
|
|
.active_low = 1,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
|
|
.num_leds = ARRAY_SIZE(cm_x300_leds),
|
|
.leds = cm_x300_leds,
|
|
};
|
|
|
|
static struct platform_device cm_x300_led_device = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &cm_x300_gpio_led_pdata,
|
|
},
|
|
};
|
|
|
|
static void __init cm_x300_init_leds(void)
|
|
{
|
|
if (system_rev < 130)
|
|
cm_x300_leds[0].gpio = 79;
|
|
else
|
|
cm_x300_leds[0].gpio = 76;
|
|
|
|
platform_device_register(&cm_x300_led_device);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_leds(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
/* PCA9555 */
|
|
static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
|
|
.gpio_base = 128,
|
|
};
|
|
|
|
static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
|
|
.gpio_base = 144,
|
|
};
|
|
|
|
static struct i2c_board_info cm_x300_gpio_ext_info[] = {
|
|
[0] = {
|
|
I2C_BOARD_INFO("pca9555", 0x24),
|
|
.platform_data = &cm_x300_gpio_ext_pdata_0,
|
|
},
|
|
[1] = {
|
|
I2C_BOARD_INFO("pca9555", 0x25),
|
|
.platform_data = &cm_x300_gpio_ext_pdata_1,
|
|
},
|
|
};
|
|
|
|
static void __init cm_x300_init_i2c(void)
|
|
{
|
|
pxa_set_i2c_info(NULL);
|
|
i2c_register_board_info(0, cm_x300_gpio_ext_info,
|
|
ARRAY_SIZE(cm_x300_gpio_ext_info));
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_i2c(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
|
|
struct v3020_platform_data cm_x300_v3020_pdata = {
|
|
.use_gpio = 1,
|
|
.gpio_cs = GPIO95_RTC_CS,
|
|
.gpio_wr = GPIO96_RTC_WR,
|
|
.gpio_rd = GPIO97_RTC_RD,
|
|
.gpio_io = GPIO98_RTC_IO,
|
|
};
|
|
|
|
static struct platform_device cm_x300_rtc_device = {
|
|
.name = "v3020",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &cm_x300_v3020_pdata,
|
|
}
|
|
};
|
|
|
|
static void __init cm_x300_init_rtc(void)
|
|
{
|
|
platform_device_register(&cm_x300_rtc_device);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_rtc(void) {}
|
|
#endif
|
|
|
|
/* Battery */
|
|
struct power_supply_info cm_x300_psy_info = {
|
|
.name = "battery",
|
|
.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
|
|
.voltage_max_design = 4200000,
|
|
.voltage_min_design = 3000000,
|
|
.use_for_apm = 1,
|
|
};
|
|
|
|
static void cm_x300_battery_low(void)
|
|
{
|
|
#if defined(CONFIG_APM_EMULATION)
|
|
apm_queue_event(APM_LOW_BATTERY);
|
|
#endif
|
|
}
|
|
|
|
static void cm_x300_battery_critical(void)
|
|
{
|
|
#if defined(CONFIG_APM_EMULATION)
|
|
apm_queue_event(APM_CRITICAL_SUSPEND);
|
|
#endif
|
|
}
|
|
|
|
struct da9030_battery_info cm_x300_battery_info = {
|
|
.battery_info = &cm_x300_psy_info,
|
|
|
|
.charge_milliamp = 1000,
|
|
.charge_millivolt = 4200,
|
|
|
|
.vbat_low = 3600,
|
|
.vbat_crit = 3400,
|
|
.vbat_charge_start = 4100,
|
|
.vbat_charge_stop = 4200,
|
|
.vbat_charge_restart = 4000,
|
|
|
|
.vcharge_min = 3200,
|
|
.vcharge_max = 5500,
|
|
|
|
.tbat_low = 197,
|
|
.tbat_high = 78,
|
|
.tbat_restart = 100,
|
|
|
|
.batmon_interval = 0,
|
|
|
|
.battery_low = cm_x300_battery_low,
|
|
.battery_critical = cm_x300_battery_critical,
|
|
};
|
|
|
|
static struct regulator_consumer_supply buck2_consumers[] = {
|
|
REGULATOR_SUPPLY("vcc_core", NULL),
|
|
};
|
|
|
|
static struct regulator_init_data buck2_data = {
|
|
.constraints = {
|
|
.min_uV = 1375000,
|
|
.max_uV = 1375000,
|
|
.state_mem = {
|
|
.enabled = 0,
|
|
},
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
|
|
.consumer_supplies = buck2_consumers,
|
|
};
|
|
|
|
/* DA9030 */
|
|
struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
|
|
{
|
|
.name = "da903x-battery",
|
|
.id = DA9030_ID_BAT,
|
|
.platform_data = &cm_x300_battery_info,
|
|
},
|
|
{
|
|
.name = "da903x-regulator",
|
|
.id = DA9030_ID_BUCK2,
|
|
.platform_data = &buck2_data,
|
|
},
|
|
};
|
|
|
|
static struct da903x_platform_data cm_x300_da9030_info = {
|
|
.num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
|
|
.subdevs = cm_x300_da9030_subdevs,
|
|
};
|
|
|
|
static struct i2c_board_info cm_x300_pmic_info = {
|
|
I2C_BOARD_INFO("da9030", 0x49),
|
|
.irq = IRQ_WAKEUP0,
|
|
.platform_data = &cm_x300_da9030_info,
|
|
};
|
|
|
|
static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
|
|
.use_pio = 1,
|
|
};
|
|
|
|
static void __init cm_x300_init_da9030(void)
|
|
{
|
|
pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
|
|
i2c_register_board_info(1, &cm_x300_pmic_info, 1);
|
|
irq_set_irq_wake(IRQ_WAKEUP0, 1);
|
|
}
|
|
|
|
/* wi2wi gpio setting for system_rev >= 130 */
|
|
static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
|
|
{ 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
|
|
{ 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
|
|
};
|
|
|
|
static void __init cm_x300_init_wi2wi(void)
|
|
{
|
|
int err;
|
|
|
|
if (system_rev < 130) {
|
|
cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */
|
|
cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */
|
|
}
|
|
|
|
/* Libertas and CSR reset */
|
|
err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
|
|
if (err) {
|
|
pr_err("failed to request wifi/bt gpios: %d\n", err);
|
|
return;
|
|
}
|
|
|
|
udelay(10);
|
|
gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
|
|
udelay(10);
|
|
gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
|
|
|
|
gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
|
|
}
|
|
|
|
/* MFP */
|
|
static void __init cm_x300_init_mfp(void)
|
|
{
|
|
/* board-processor specific GPIO initialization */
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
|
|
|
|
if (system_rev < 130)
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
|
|
else
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
|
|
|
|
if (cpu_is_pxa310())
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
|
|
}
|
|
|
|
static void __init cm_x300_init(void)
|
|
{
|
|
cm_x300_init_mfp();
|
|
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
if (cpu_is_pxa300())
|
|
pxa_set_ffuart_info(NULL);
|
|
|
|
cm_x300_init_da9030();
|
|
cm_x300_init_dm9000();
|
|
cm_x300_init_lcd();
|
|
cm_x300_init_u2d();
|
|
cm_x300_init_ohci();
|
|
cm_x300_init_mmc();
|
|
cm_x300_init_nand();
|
|
cm_x300_init_leds();
|
|
cm_x300_init_i2c();
|
|
cm_x300_init_spi();
|
|
cm_x300_init_rtc();
|
|
cm_x300_init_ac97();
|
|
cm_x300_init_wi2wi();
|
|
cm_x300_init_bl();
|
|
}
|
|
|
|
static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
|
|
struct meminfo *mi)
|
|
{
|
|
/* Make sure that mi->bank[0].start = PHYS_ADDR */
|
|
for (; tags->hdr.size; tags = tag_next(tags))
|
|
if (tags->hdr.tag == ATAG_MEM &&
|
|
tags->u.mem.start == 0x80000000) {
|
|
tags->u.mem.start = 0xa0000000;
|
|
break;
|
|
}
|
|
}
|
|
|
|
MACHINE_START(CM_X300, "CM-X300 module")
|
|
.atag_offset = 0x100,
|
|
.map_io = pxa3xx_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa3xx_init_irq,
|
|
.handle_irq = pxa3xx_handle_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = cm_x300_init,
|
|
.fixup = cm_x300_fixup,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|