1129 lines
25 KiB
C
1129 lines
25 KiB
C
/*
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* arch/arm/mach-pxa/raumfeld.c
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*
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* Support for the following Raumfeld devices:
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*
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* * Controller
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* * Connector
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* * Speaker S/M
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*
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* See http://www.raumfeld.com for details.
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*
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* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
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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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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/gpio.h>
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#include <linux/smsc911x.h>
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#include <linux/input.h>
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#include <linux/rotary_encoder.h>
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#include <linux/gpio_keys.h>
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#include <linux/input/eeti_ts.h>
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#include <linux/leds.h>
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#include <linux/w1-gpio.h>
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#include <linux/sched.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/pxa-i2c.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/lis3lv02d.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/regulator/max8660.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/consumer.h>
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#include <linux/delay.h>
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#include <asm/system_info.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/pxa300.h>
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#include <linux/platform_data/usb-ohci-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 <linux/platform_data/mtd-nand-pxa3xx.h>
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#include "generic.h"
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#include "devices.h"
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#include "clock.h"
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/* common GPIO definitions */
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/* inputs */
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#define GPIO_ON_OFF (14)
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#define GPIO_VOLENC_A (19)
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#define GPIO_VOLENC_B (20)
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#define GPIO_CHARGE_DONE (23)
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#define GPIO_CHARGE_IND (27)
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#define GPIO_TOUCH_IRQ (32)
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#define GPIO_ETH_IRQ (40)
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#define GPIO_SPI_MISO (98)
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#define GPIO_ACCEL_IRQ (104)
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#define GPIO_RESCUE_BOOT (115)
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#define GPIO_DOCK_DETECT (116)
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#define GPIO_KEY1 (117)
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#define GPIO_KEY2 (118)
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#define GPIO_KEY3 (119)
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#define GPIO_CHARGE_USB_OK (112)
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#define GPIO_CHARGE_DC_OK (101)
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#define GPIO_CHARGE_USB_SUSP (102)
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/* outputs */
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#define GPIO_SHUTDOWN_SUPPLY (16)
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#define GPIO_SHUTDOWN_BATT (18)
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#define GPIO_CHRG_PEN2 (31)
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#define GPIO_TFT_VA_EN (33)
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#define GPIO_SPDIF_CS (34)
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#define GPIO_LED2 (35)
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#define GPIO_LED1 (36)
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#define GPIO_SPDIF_RESET (38)
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#define GPIO_SPI_CLK (95)
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#define GPIO_MCLK_DAC_CS (96)
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#define GPIO_SPI_MOSI (97)
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#define GPIO_W1_PULLUP_ENABLE (105)
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#define GPIO_DISPLAY_ENABLE (106)
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#define GPIO_MCLK_RESET (111)
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#define GPIO_W2W_RESET (113)
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#define GPIO_W2W_PDN (114)
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#define GPIO_CODEC_RESET (120)
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#define GPIO_AUDIO_VA_ENABLE (124)
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#define GPIO_ACCEL_CS (125)
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#define GPIO_ONE_WIRE (126)
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/*
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* GPIO configurations
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*/
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static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
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/* UART1 */
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GPIO77_UART1_RXD,
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GPIO78_UART1_TXD,
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GPIO79_UART1_CTS,
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GPIO81_UART1_DSR,
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GPIO83_UART1_DTR,
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GPIO84_UART1_RTS,
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/* UART3 */
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GPIO110_UART3_RXD,
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/* USB Host */
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GPIO0_2_USBH_PEN,
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GPIO1_2_USBH_PWR,
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/* I2C */
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GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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/* SPI */
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GPIO34_GPIO, /* SPDIF_CS */
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GPIO96_GPIO, /* MCLK_CS */
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GPIO125_GPIO, /* ACCEL_CS */
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/* MMC */
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GPIO3_MMC1_DAT0,
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GPIO4_MMC1_DAT1,
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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,
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/* One-wire */
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GPIO126_GPIO | MFP_LPM_FLOAT,
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GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
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/* CHRG_USB_OK */
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GPIO101_GPIO | MFP_PULL_HIGH,
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/* CHRG_USB_OK */
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GPIO112_GPIO | MFP_PULL_HIGH,
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/* CHRG_USB_SUSP */
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GPIO102_GPIO,
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/* DISPLAY_ENABLE */
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GPIO106_GPIO,
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/* DOCK_DETECT */
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GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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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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GPIO70_LCD_LDD_16,
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GPIO71_LCD_LDD_17,
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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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};
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static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
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/* UART1 */
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GPIO77_UART1_RXD,
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GPIO78_UART1_TXD,
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GPIO79_UART1_CTS,
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GPIO81_UART1_DSR,
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GPIO83_UART1_DTR,
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GPIO84_UART1_RTS,
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/* UART3 */
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GPIO110_UART3_RXD,
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/* USB Host */
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GPIO0_2_USBH_PEN,
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GPIO1_2_USBH_PWR,
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/* I2C */
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GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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/* SPI */
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GPIO34_GPIO, /* SPDIF_CS */
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GPIO96_GPIO, /* MCLK_CS */
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GPIO125_GPIO, /* ACCEL_CS */
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/* MMC */
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GPIO3_MMC1_DAT0,
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GPIO4_MMC1_DAT1,
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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,
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/* Ethernet */
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GPIO1_nCS2, /* CS */
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GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
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/* SSP for I2S */
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GPIO85_SSP1_SCLK,
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GPIO89_SSP1_EXTCLK,
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GPIO86_SSP1_FRM,
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GPIO87_SSP1_TXD,
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GPIO88_SSP1_RXD,
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GPIO90_SSP1_SYSCLK,
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/* SSP2 for S/PDIF */
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GPIO25_SSP2_SCLK,
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GPIO26_SSP2_FRM,
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GPIO27_SSP2_TXD,
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GPIO29_SSP2_EXTCLK,
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/* LEDs */
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GPIO35_GPIO | MFP_LPM_PULL_LOW,
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GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
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};
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static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
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/* UART1 */
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GPIO77_UART1_RXD,
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GPIO78_UART1_TXD,
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GPIO79_UART1_CTS,
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GPIO81_UART1_DSR,
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GPIO83_UART1_DTR,
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GPIO84_UART1_RTS,
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/* UART3 */
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GPIO110_UART3_RXD,
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/* USB Host */
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GPIO0_2_USBH_PEN,
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GPIO1_2_USBH_PWR,
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/* I2C */
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GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
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/* SPI */
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GPIO34_GPIO, /* SPDIF_CS */
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GPIO96_GPIO, /* MCLK_CS */
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GPIO125_GPIO, /* ACCEL_CS */
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/* MMC */
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GPIO3_MMC1_DAT0,
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GPIO4_MMC1_DAT1,
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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,
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/* Ethernet */
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GPIO1_nCS2, /* CS */
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GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
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/* SSP for I2S */
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GPIO85_SSP1_SCLK,
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GPIO89_SSP1_EXTCLK,
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GPIO86_SSP1_FRM,
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GPIO87_SSP1_TXD,
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GPIO88_SSP1_RXD,
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GPIO90_SSP1_SYSCLK,
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/* LEDs */
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GPIO35_GPIO | MFP_LPM_PULL_LOW,
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GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
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};
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/*
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* SMSC LAN9220 Ethernet
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*/
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static struct resource smc91x_resources[] = {
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{
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.start = PXA3xx_CS2_PHYS,
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.end = PXA3xx_CS2_PHYS + 0xfffff,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
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.end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
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}
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};
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static struct smsc911x_platform_config raumfeld_smsc911x_config = {
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
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};
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static struct platform_device smc91x_device = {
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.name = "smsc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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.dev = {
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.platform_data = &raumfeld_smsc911x_config,
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}
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};
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/**
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* NAND
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*/
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static struct mtd_partition raumfeld_nand_partitions[] = {
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{
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.name = "Bootloader",
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.offset = 0,
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.size = 0xa0000,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "BootloaderEnvironment",
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.offset = 0xa0000,
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.size = 0x20000,
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},
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{
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.name = "BootloaderSplashScreen",
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.offset = 0xc0000,
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.size = 0x60000,
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},
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{
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.name = "UBI",
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.offset = 0x120000,
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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 raumfeld_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] = raumfeld_nand_partitions,
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.nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
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};
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/**
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* USB (OHCI) support
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*/
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static struct pxaohci_platform_data raumfeld_ohci_info = {
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.port_mode = PMM_GLOBAL_MODE,
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.flags = ENABLE_PORT1,
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};
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/**
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* Rotary encoder input device
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*/
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static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
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.steps = 24,
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.axis = REL_X,
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.relative_axis = 1,
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.gpio_a = GPIO_VOLENC_A,
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.gpio_b = GPIO_VOLENC_B,
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.inverted_a = 1,
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.inverted_b = 0,
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};
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static struct platform_device rotary_encoder_device = {
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.name = "rotary-encoder",
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.id = 0,
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.dev = {
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.platform_data = &raumfeld_rotary_encoder_info,
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}
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};
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/**
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* GPIO buttons
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*/
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static struct gpio_keys_button gpio_keys_button[] = {
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{
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.code = KEY_F1,
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.type = EV_KEY,
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.gpio = GPIO_KEY1,
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.active_low = 1,
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.wakeup = 0,
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.debounce_interval = 5, /* ms */
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.desc = "Button 1",
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},
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{
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.code = KEY_F2,
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.type = EV_KEY,
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.gpio = GPIO_KEY2,
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.active_low = 1,
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.wakeup = 0,
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.debounce_interval = 5, /* ms */
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.desc = "Button 2",
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},
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{
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.code = KEY_F3,
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.type = EV_KEY,
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.gpio = GPIO_KEY3,
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.active_low = 1,
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.wakeup = 0,
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.debounce_interval = 5, /* ms */
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.desc = "Button 3",
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},
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{
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.code = KEY_F4,
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.type = EV_KEY,
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.gpio = GPIO_RESCUE_BOOT,
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.active_low = 0,
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.wakeup = 0,
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.debounce_interval = 5, /* ms */
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.desc = "rescue boot button",
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},
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{
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.code = KEY_F5,
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.type = EV_KEY,
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.gpio = GPIO_DOCK_DETECT,
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.active_low = 1,
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.wakeup = 0,
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.debounce_interval = 5, /* ms */
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.desc = "dock detect",
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},
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{
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.code = KEY_F6,
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.type = EV_KEY,
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.gpio = GPIO_ON_OFF,
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.active_low = 0,
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.wakeup = 0,
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.debounce_interval = 5, /* ms */
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.desc = "on_off button",
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},
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};
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static struct gpio_keys_platform_data gpio_keys_platform_data = {
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.buttons = gpio_keys_button,
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.nbuttons = ARRAY_SIZE(gpio_keys_button),
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.rep = 0,
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};
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static struct platform_device raumfeld_gpio_keys_device = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &gpio_keys_platform_data,
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}
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};
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/**
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* GPIO LEDs
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*/
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static struct gpio_led raumfeld_leds[] = {
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{
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.name = "raumfeld:1",
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.gpio = GPIO_LED1,
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.active_low = 1,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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{
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.name = "raumfeld:2",
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.gpio = GPIO_LED2,
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.active_low = 0,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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}
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};
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static struct gpio_led_platform_data raumfeld_led_platform_data = {
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.leds = raumfeld_leds,
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.num_leds = ARRAY_SIZE(raumfeld_leds),
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};
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static struct platform_device raumfeld_led_device = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &raumfeld_led_platform_data,
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},
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};
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/**
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* One-wire (W1 bus) support
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*/
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static void w1_enable_external_pullup(int enable)
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{
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gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
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msleep(100);
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}
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static struct w1_gpio_platform_data w1_gpio_platform_data = {
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.pin = GPIO_ONE_WIRE,
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.is_open_drain = 0,
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.enable_external_pullup = w1_enable_external_pullup,
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.ext_pullup_enable_pin = -EINVAL,
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};
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struct platform_device raumfeld_w1_gpio_device = {
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.name = "w1-gpio",
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.dev = {
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.platform_data = &w1_gpio_platform_data
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}
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};
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static void __init raumfeld_w1_init(void)
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{
|
|
int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
|
|
"W1 external pullup enable");
|
|
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
|
|
else
|
|
gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
|
|
|
|
platform_device_register(&raumfeld_w1_gpio_device);
|
|
}
|
|
|
|
/**
|
|
* Framebuffer device
|
|
*/
|
|
|
|
/* PWM controlled backlight */
|
|
static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = 100,
|
|
.dft_brightness = 100,
|
|
/* 10000 ns = 10 ms ^= 100 kHz */
|
|
.pwm_period_ns = 10000,
|
|
.enable_gpio = -1,
|
|
};
|
|
|
|
static struct platform_device raumfeld_pwm_backlight_device = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &pxa27x_device_pwm0.dev,
|
|
.platform_data = &raumfeld_pwm_backlight_data,
|
|
}
|
|
};
|
|
|
|
/* LT3593 controlled backlight */
|
|
static struct gpio_led raumfeld_lt3593_led = {
|
|
.name = "backlight",
|
|
.gpio = mfp_to_gpio(MFP_PIN_GPIO17),
|
|
.default_state = LEDS_GPIO_DEFSTATE_ON,
|
|
};
|
|
|
|
static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
|
|
.leds = &raumfeld_lt3593_led,
|
|
.num_leds = 1,
|
|
};
|
|
|
|
static struct platform_device raumfeld_lt3593_device = {
|
|
.name = "leds-lt3593",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &raumfeld_lt3593_platform_data,
|
|
},
|
|
};
|
|
|
|
static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
|
|
.pixclock = 111000,
|
|
.xres = 480,
|
|
.yres = 272,
|
|
.bpp = 16,
|
|
.hsync_len = 41,
|
|
.left_margin = 2,
|
|
.right_margin = 1,
|
|
.vsync_len = 10,
|
|
.upper_margin = 3,
|
|
.lower_margin = 1,
|
|
.sync = 0,
|
|
};
|
|
|
|
static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
|
|
.modes = &sharp_lq043t3dx02_mode,
|
|
.num_modes = 1,
|
|
.video_mem_size = 0x400000,
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
#ifdef CONFIG_PXA3XX_GCU
|
|
.acceleration_enabled = 1,
|
|
#endif
|
|
};
|
|
|
|
static void __init raumfeld_lcd_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_TFT_VA_EN\n");
|
|
else
|
|
gpio_direction_output(GPIO_TFT_VA_EN, 1);
|
|
|
|
msleep(100);
|
|
|
|
ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
|
|
else
|
|
gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
|
|
|
|
/* Hardware revision 2 has the backlight regulator controlled
|
|
* by an LT3593, earlier and later devices use PWM for that. */
|
|
if ((system_rev & 0xff) == 2) {
|
|
platform_device_register(&raumfeld_lt3593_device);
|
|
} else {
|
|
mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
|
|
pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
|
|
platform_device_register(&raumfeld_pwm_backlight_device);
|
|
}
|
|
|
|
pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
|
|
platform_device_register(&pxa3xx_device_gcu);
|
|
}
|
|
|
|
/**
|
|
* SPI devices
|
|
*/
|
|
|
|
struct spi_gpio_platform_data raumfeld_spi_platform_data = {
|
|
.sck = GPIO_SPI_CLK,
|
|
.mosi = GPIO_SPI_MOSI,
|
|
.miso = GPIO_SPI_MISO,
|
|
.num_chipselect = 3,
|
|
};
|
|
|
|
static struct platform_device raumfeld_spi_device = {
|
|
.name = "spi_gpio",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &raumfeld_spi_platform_data,
|
|
}
|
|
};
|
|
|
|
static struct lis3lv02d_platform_data lis3_pdata = {
|
|
.click_flags = LIS3_CLICK_SINGLE_X |
|
|
LIS3_CLICK_SINGLE_Y |
|
|
LIS3_CLICK_SINGLE_Z,
|
|
.irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
|
|
.wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
|
|
LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
|
|
LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
|
|
.wakeup_thresh = 10,
|
|
.click_thresh_x = 10,
|
|
.click_thresh_y = 10,
|
|
.click_thresh_z = 10,
|
|
};
|
|
|
|
#define SPI_AK4104 \
|
|
{ \
|
|
.modalias = "ak4104-codec", \
|
|
.max_speed_hz = 10000, \
|
|
.bus_num = 0, \
|
|
.chip_select = 0, \
|
|
.controller_data = (void *) GPIO_SPDIF_CS, \
|
|
}
|
|
|
|
#define SPI_LIS3 \
|
|
{ \
|
|
.modalias = "lis3lv02d_spi", \
|
|
.max_speed_hz = 1000000, \
|
|
.bus_num = 0, \
|
|
.chip_select = 1, \
|
|
.controller_data = (void *) GPIO_ACCEL_CS, \
|
|
.platform_data = &lis3_pdata, \
|
|
.irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
|
|
}
|
|
|
|
#define SPI_DAC7512 \
|
|
{ \
|
|
.modalias = "dac7512", \
|
|
.max_speed_hz = 1000000, \
|
|
.bus_num = 0, \
|
|
.chip_select = 2, \
|
|
.controller_data = (void *) GPIO_MCLK_DAC_CS, \
|
|
}
|
|
|
|
static struct spi_board_info connector_spi_devices[] __initdata = {
|
|
SPI_AK4104,
|
|
SPI_DAC7512,
|
|
};
|
|
|
|
static struct spi_board_info speaker_spi_devices[] __initdata = {
|
|
SPI_DAC7512,
|
|
};
|
|
|
|
static struct spi_board_info controller_spi_devices[] __initdata = {
|
|
SPI_LIS3,
|
|
};
|
|
|
|
/**
|
|
* MMC for Marvell Libertas 8688 via SDIO
|
|
*/
|
|
|
|
static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
|
|
{
|
|
gpio_set_value(GPIO_W2W_RESET, 1);
|
|
gpio_set_value(GPIO_W2W_PDN, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void raumfeld_mci_exit(struct device *dev, void *data)
|
|
{
|
|
gpio_set_value(GPIO_W2W_RESET, 0);
|
|
gpio_set_value(GPIO_W2W_PDN, 0);
|
|
}
|
|
|
|
static struct pxamci_platform_data raumfeld_mci_platform_data = {
|
|
.init = raumfeld_mci_init,
|
|
.exit = raumfeld_mci_exit,
|
|
.detect_delay_ms = 200,
|
|
.gpio_card_detect = -1,
|
|
.gpio_card_ro = -1,
|
|
.gpio_power = -1,
|
|
};
|
|
|
|
/*
|
|
* External power / charge logic
|
|
*/
|
|
|
|
static int power_supply_init(struct device *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void power_supply_exit(struct device *dev)
|
|
{
|
|
}
|
|
|
|
static int raumfeld_is_ac_online(void)
|
|
{
|
|
return !gpio_get_value(GPIO_CHARGE_DC_OK);
|
|
}
|
|
|
|
static int raumfeld_is_usb_online(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
|
|
|
|
static void raumfeld_power_signal_charged(void)
|
|
{
|
|
struct power_supply *psy =
|
|
power_supply_get_by_name(raumfeld_power_supplicants[0]);
|
|
|
|
if (psy)
|
|
power_supply_set_battery_charged(psy);
|
|
}
|
|
|
|
static int raumfeld_power_resume(void)
|
|
{
|
|
/* check if GPIO_CHARGE_DONE went low while we were sleeping */
|
|
if (!gpio_get_value(GPIO_CHARGE_DONE))
|
|
raumfeld_power_signal_charged();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct pda_power_pdata power_supply_info = {
|
|
.init = power_supply_init,
|
|
.is_ac_online = raumfeld_is_ac_online,
|
|
.is_usb_online = raumfeld_is_usb_online,
|
|
.exit = power_supply_exit,
|
|
.supplied_to = raumfeld_power_supplicants,
|
|
.num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
|
|
.resume = raumfeld_power_resume,
|
|
};
|
|
|
|
static struct resource power_supply_resources[] = {
|
|
{
|
|
.name = "ac",
|
|
.flags = IORESOURCE_IRQ |
|
|
IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
|
|
.start = GPIO_CHARGE_DC_OK,
|
|
.end = GPIO_CHARGE_DC_OK,
|
|
},
|
|
};
|
|
|
|
static irqreturn_t charge_done_irq(int irq, void *dev_id)
|
|
{
|
|
raumfeld_power_signal_charged();
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static struct platform_device raumfeld_power_supply = {
|
|
.name = "pda-power",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &power_supply_info,
|
|
},
|
|
.resource = power_supply_resources,
|
|
.num_resources = ARRAY_SIZE(power_supply_resources),
|
|
};
|
|
|
|
static void __init raumfeld_power_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* Set PEN2 high to enable maximum charge current */
|
|
ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_CHRG_PEN2\n");
|
|
else
|
|
gpio_direction_output(GPIO_CHRG_PEN2, 1);
|
|
|
|
ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
|
|
|
|
ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
|
|
else
|
|
gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
|
|
|
|
power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
|
|
power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
|
|
|
|
ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
|
|
&charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
|
|
"charge_done", NULL);
|
|
|
|
if (ret < 0)
|
|
printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
|
|
GPIO_CHARGE_DONE);
|
|
else
|
|
platform_device_register(&raumfeld_power_supply);
|
|
}
|
|
|
|
/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
|
|
|
|
static struct regulator_consumer_supply audio_va_consumer_supply =
|
|
REGULATOR_SUPPLY("va", "0-0048");
|
|
|
|
struct regulator_init_data audio_va_initdata = {
|
|
.consumer_supplies = &audio_va_consumer_supply,
|
|
.num_consumer_supplies = 1,
|
|
.constraints = {
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct fixed_voltage_config audio_va_config = {
|
|
.supply_name = "audio_va",
|
|
.microvolts = 5000000,
|
|
.gpio = GPIO_AUDIO_VA_ENABLE,
|
|
.enable_high = 1,
|
|
.enabled_at_boot = 0,
|
|
.init_data = &audio_va_initdata,
|
|
};
|
|
|
|
static struct platform_device audio_va_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &audio_va_config,
|
|
},
|
|
};
|
|
|
|
/* Dummy supplies for Codec's VD/VLC */
|
|
|
|
static struct regulator_consumer_supply audio_dummy_supplies[] = {
|
|
REGULATOR_SUPPLY("vd", "0-0048"),
|
|
REGULATOR_SUPPLY("vlc", "0-0048"),
|
|
};
|
|
|
|
struct regulator_init_data audio_dummy_initdata = {
|
|
.consumer_supplies = audio_dummy_supplies,
|
|
.num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
|
|
.constraints = {
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
|
|
},
|
|
};
|
|
|
|
static struct fixed_voltage_config audio_dummy_config = {
|
|
.supply_name = "audio_vd",
|
|
.microvolts = 3300000,
|
|
.gpio = -1,
|
|
.init_data = &audio_dummy_initdata,
|
|
};
|
|
|
|
static struct platform_device audio_supply_dummy_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &audio_dummy_config,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *audio_regulator_devices[] = {
|
|
&audio_va_device,
|
|
&audio_supply_dummy_device,
|
|
};
|
|
|
|
/**
|
|
* Regulator support via MAX8660
|
|
*/
|
|
|
|
static struct regulator_consumer_supply vcc_mmc_supply =
|
|
REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
|
|
|
|
static struct regulator_init_data vcc_mmc_init_data = {
|
|
.constraints = {
|
|
.min_uV = 3300000,
|
|
.max_uV = 3300000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS |
|
|
REGULATOR_CHANGE_VOLTAGE |
|
|
REGULATOR_CHANGE_MODE,
|
|
},
|
|
.consumer_supplies = &vcc_mmc_supply,
|
|
.num_consumer_supplies = 1,
|
|
};
|
|
|
|
struct max8660_subdev_data max8660_v6_subdev_data = {
|
|
.id = MAX8660_V6,
|
|
.name = "vmmc",
|
|
.platform_data = &vcc_mmc_init_data,
|
|
};
|
|
|
|
static struct max8660_platform_data max8660_pdata = {
|
|
.subdevs = &max8660_v6_subdev_data,
|
|
.num_subdevs = 1,
|
|
};
|
|
|
|
/**
|
|
* I2C devices
|
|
*/
|
|
|
|
static struct i2c_board_info raumfeld_pwri2c_board_info = {
|
|
.type = "max8660",
|
|
.addr = 0x34,
|
|
.platform_data = &max8660_pdata,
|
|
};
|
|
|
|
static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
|
|
.type = "cs4270",
|
|
.addr = 0x48,
|
|
};
|
|
|
|
static struct eeti_ts_platform_data eeti_ts_pdata = {
|
|
.irq_active_high = 1,
|
|
.irq_gpio = GPIO_TOUCH_IRQ,
|
|
};
|
|
|
|
static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
|
|
.type = "eeti_ts",
|
|
.addr = 0x0a,
|
|
.platform_data = &eeti_ts_pdata,
|
|
};
|
|
|
|
static struct platform_device *raumfeld_common_devices[] = {
|
|
&raumfeld_gpio_keys_device,
|
|
&raumfeld_led_device,
|
|
&raumfeld_spi_device,
|
|
};
|
|
|
|
static void __init raumfeld_audio_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
|
|
if (ret < 0)
|
|
pr_warning("unable to request GPIO_CODEC_RESET\n");
|
|
else
|
|
gpio_direction_output(GPIO_CODEC_RESET, 1);
|
|
|
|
ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
|
|
if (ret < 0)
|
|
pr_warning("unable to request GPIO_SPDIF_RESET\n");
|
|
else
|
|
gpio_direction_output(GPIO_SPDIF_RESET, 1);
|
|
|
|
ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
|
|
if (ret < 0)
|
|
pr_warning("unable to request GPIO_MCLK_RESET\n");
|
|
else
|
|
gpio_direction_output(GPIO_MCLK_RESET, 1);
|
|
|
|
platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
|
|
}
|
|
|
|
static void __init raumfeld_common_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* The on/off button polarity has changed after revision 1 */
|
|
if ((system_rev & 0xff) > 1) {
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
|
|
if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
|
|
gpio_keys_button[i].active_low = 1;
|
|
}
|
|
|
|
enable_irq_wake(IRQ_WAKEUP0);
|
|
|
|
pxa3xx_set_nand_info(&raumfeld_nand_info);
|
|
pxa3xx_set_i2c_power_info(NULL);
|
|
pxa_set_ohci_info(&raumfeld_ohci_info);
|
|
pxa_set_mci_info(&raumfeld_mci_platform_data);
|
|
pxa_set_i2c_info(NULL);
|
|
pxa_set_ffuart_info(NULL);
|
|
|
|
ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_W2W_RESET\n");
|
|
else
|
|
gpio_direction_output(GPIO_W2W_RESET, 0);
|
|
|
|
ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_W2W_PDN\n");
|
|
else
|
|
gpio_direction_output(GPIO_W2W_PDN, 0);
|
|
|
|
/* this can be used to switch off the device */
|
|
ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
|
|
else
|
|
gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
|
|
|
|
platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
|
|
i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
|
|
}
|
|
|
|
static void __init raumfeld_controller_init(void)
|
|
{
|
|
int ret;
|
|
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
|
|
platform_device_register(&rotary_encoder_device);
|
|
spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
|
|
i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
|
|
|
|
ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
|
|
if (ret < 0)
|
|
pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
|
|
else
|
|
gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
|
|
|
|
raumfeld_common_init();
|
|
raumfeld_power_init();
|
|
raumfeld_lcd_init();
|
|
raumfeld_w1_init();
|
|
}
|
|
|
|
static void __init raumfeld_connector_init(void)
|
|
{
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
|
|
spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
|
|
i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
|
|
|
|
platform_device_register(&smc91x_device);
|
|
|
|
raumfeld_audio_init();
|
|
raumfeld_common_init();
|
|
}
|
|
|
|
static void __init raumfeld_speaker_init(void)
|
|
{
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
|
|
spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
|
|
i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
|
|
|
|
platform_device_register(&smc91x_device);
|
|
platform_device_register(&rotary_encoder_device);
|
|
|
|
raumfeld_audio_init();
|
|
raumfeld_common_init();
|
|
}
|
|
|
|
/* physical memory regions */
|
|
#define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
|
|
|
|
#ifdef CONFIG_MACH_RAUMFELD_RC
|
|
MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
|
|
.atag_offset = 0x100,
|
|
.init_machine = raumfeld_controller_init,
|
|
.map_io = pxa3xx_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa3xx_init_irq,
|
|
.handle_irq = pxa3xx_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
|
|
MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
|
|
.atag_offset = 0x100,
|
|
.init_machine = raumfeld_connector_init,
|
|
.map_io = pxa3xx_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa3xx_init_irq,
|
|
.handle_irq = pxa3xx_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
|
|
MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
|
|
.atag_offset = 0x100,
|
|
.init_machine = raumfeld_speaker_init,
|
|
.map_io = pxa3xx_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa3xx_init_irq,
|
|
.handle_irq = pxa3xx_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|