![Marek Vasut](/assets/img/avatar_default.png)
Firstly, this patch makes the palm27x asoc driver a little more sane. Also, since all affected devices use GPIO95 as AC97_nRESET, this patch sets that properly. Affected are PalmT5, TX and LifeDrive. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
606 lines
15 KiB
C
606 lines
15 KiB
C
/*
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* Hardware definitions for Palm LifeDrive
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*
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* Author: Marek Vasut <marek.vasut@gmail.com>
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*
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* Based on work of:
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* Alex Osborne <ato@meshy.org>
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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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* (find more info at www.hackndev.com)
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*
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*/
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/pda_power.h>
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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#include <linux/wm97xx_batt.h>
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#include <linux/power_supply.h>
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#include <linux/sysdev.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/mach/map.h>
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#include <mach/pxa27x.h>
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#include <mach/audio.h>
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#include <mach/palmld.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/irda.h>
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#include <mach/pxa27x_keypad.h>
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#include <mach/palmasoc.h>
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* Pin configuration
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******************************************************************************/
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static unsigned long palmld_pin_config[] __initdata = {
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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GPIO14_GPIO, /* SD detect */
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GPIO114_GPIO, /* SD power */
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GPIO116_GPIO, /* SD r/o switch */
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/* AC97 */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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/* IrDA */
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GPIO108_GPIO, /* ir disable */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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/* MATRIX KEYPAD */
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
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GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
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GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
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GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
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GPIO103_KP_MKOUT_0,
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GPIO104_KP_MKOUT_1,
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GPIO105_KP_MKOUT_2,
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/* LCD */
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GPIO58_LCD_LDD_0,
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GPIO59_LCD_LDD_1,
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GPIO60_LCD_LDD_2,
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GPIO61_LCD_LDD_3,
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GPIO62_LCD_LDD_4,
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GPIO63_LCD_LDD_5,
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GPIO64_LCD_LDD_6,
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GPIO65_LCD_LDD_7,
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GPIO66_LCD_LDD_8,
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GPIO67_LCD_LDD_9,
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GPIO68_LCD_LDD_10,
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GPIO69_LCD_LDD_11,
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GPIO70_LCD_LDD_12,
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GPIO71_LCD_LDD_13,
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GPIO72_LCD_LDD_14,
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GPIO73_LCD_LDD_15,
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GPIO74_LCD_FCLK,
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GPIO75_LCD_LCLK,
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GPIO76_LCD_PCLK,
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GPIO77_LCD_BIAS,
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/* PWM */
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GPIO16_PWM0_OUT,
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/* GPIO KEYS */
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GPIO10_GPIO, /* hotsync button */
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GPIO12_GPIO, /* power switch */
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GPIO15_GPIO, /* lock switch */
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/* LEDs */
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GPIO52_GPIO, /* green led */
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GPIO94_GPIO, /* orange led */
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/* PCMCIA */
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GPIO48_nPOE,
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GPIO49_nPWE,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO85_nPCE_1,
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GPIO54_nPCE_2,
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GPIO79_PSKTSEL,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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GPIO36_GPIO, /* wifi power */
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GPIO38_GPIO, /* wifi ready */
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GPIO81_GPIO, /* wifi reset */
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/* HDD */
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GPIO95_GPIO, /* HDD irq */
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GPIO115_GPIO, /* HDD power */
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/* MISC */
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GPIO13_GPIO, /* earphone detect */
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};
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
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void *data)
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{
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int err = 0;
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/* Setup an interrupt for detecting card insert/remove events */
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err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
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if (err)
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goto err;
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err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
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if (err)
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goto err2;
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err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
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palmld_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
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IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
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"SD/MMC card detect", data);
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if (err) {
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printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
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__func__);
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goto err2;
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}
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err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER");
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if (err)
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goto err3;
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err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
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if (err)
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goto err4;
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err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
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if (err)
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goto err4;
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err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
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if (err)
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goto err5;
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printk(KERN_DEBUG "%s: irq registered\n", __func__);
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return 0;
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err5:
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gpio_free(GPIO_NR_PALMLD_SD_READONLY);
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err4:
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gpio_free(GPIO_NR_PALMLD_SD_POWER);
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err3:
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free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
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err2:
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gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
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err:
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return err;
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}
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static void palmld_mci_exit(struct device *dev, void *data)
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{
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gpio_free(GPIO_NR_PALMLD_SD_READONLY);
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gpio_free(GPIO_NR_PALMLD_SD_POWER);
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free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
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gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
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}
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static void palmld_mci_power(struct device *dev, unsigned int vdd)
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{
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struct pxamci_platform_data *p_d = dev->platform_data;
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gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
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}
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static int palmld_mci_get_ro(struct device *dev)
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{
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return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
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}
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static struct pxamci_platform_data palmld_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.setpower = palmld_mci_power,
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.get_ro = palmld_mci_get_ro,
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.init = palmld_mci_init,
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.exit = palmld_mci_exit,
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};
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/******************************************************************************
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* GPIO keyboard
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******************************************************************************/
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static unsigned int palmld_matrix_keys[] = {
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KEY(0, 1, KEY_F2),
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KEY(0, 2, KEY_UP),
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KEY(1, 0, KEY_F3),
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KEY(1, 1, KEY_F4),
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KEY(1, 2, KEY_RIGHT),
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KEY(2, 0, KEY_F1),
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KEY(2, 1, KEY_F5),
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KEY(2, 2, KEY_DOWN),
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KEY(3, 0, KEY_F6),
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KEY(3, 1, KEY_ENTER),
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KEY(3, 2, KEY_LEFT),
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};
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static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
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.matrix_key_rows = 4,
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.matrix_key_cols = 3,
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.matrix_key_map = palmld_matrix_keys,
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.matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys),
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.debounce_interval = 30,
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};
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/******************************************************************************
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* GPIO keys
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******************************************************************************/
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static struct gpio_keys_button palmld_pxa_buttons[] = {
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{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
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{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
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{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
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};
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static struct gpio_keys_platform_data palmld_pxa_keys_data = {
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.buttons = palmld_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
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};
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static struct platform_device palmld_pxa_keys = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &palmld_pxa_keys_data,
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},
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};
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/******************************************************************************
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* Backlight
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******************************************************************************/
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static int palmld_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
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if (ret)
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goto err;
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ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
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if (ret)
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goto err2;
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ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
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if (ret)
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goto err3;
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return 0;
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err3:
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gpio_free(GPIO_NR_PALMLD_LCD_POWER);
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err2:
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gpio_free(GPIO_NR_PALMLD_BL_POWER);
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err:
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return ret;
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}
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static int palmld_backlight_notify(int brightness)
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{
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gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
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gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
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return brightness;
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}
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static void palmld_backlight_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMLD_BL_POWER);
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gpio_free(GPIO_NR_PALMLD_LCD_POWER);
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}
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static struct platform_pwm_backlight_data palmld_backlight_data = {
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.pwm_id = 0,
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.max_brightness = PALMLD_MAX_INTENSITY,
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.dft_brightness = PALMLD_MAX_INTENSITY,
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.pwm_period_ns = PALMLD_PERIOD_NS,
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.init = palmld_backlight_init,
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.notify = palmld_backlight_notify,
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.exit = palmld_backlight_exit,
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};
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static struct platform_device palmld_backlight = {
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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 = &palmld_backlight_data,
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},
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};
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/******************************************************************************
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* IrDA
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******************************************************************************/
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static int palmld_irda_startup(struct device *dev)
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{
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int err;
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err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
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if (err)
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goto err;
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err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
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if (err)
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gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
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err:
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return err;
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}
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static void palmld_irda_shutdown(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
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}
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static void palmld_irda_transceiver_mode(struct device *dev, int mode)
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{
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gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
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pxa2xx_transceiver_mode(dev, mode);
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}
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static struct pxaficp_platform_data palmld_ficp_platform_data = {
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.startup = palmld_irda_startup,
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.shutdown = palmld_irda_shutdown,
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.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
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.transceiver_mode = palmld_irda_transceiver_mode,
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};
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/******************************************************************************
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* LEDs
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******************************************************************************/
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struct gpio_led gpio_leds[] = {
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{
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.name = "palmld:green:led",
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.default_trigger = "none",
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.gpio = GPIO_NR_PALMLD_LED_GREEN,
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}, {
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.name = "palmld:amber:led",
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.default_trigger = "none",
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.gpio = GPIO_NR_PALMLD_LED_AMBER,
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},
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};
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static struct gpio_led_platform_data gpio_led_info = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device palmld_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &gpio_led_info,
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}
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};
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/******************************************************************************
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* Power supply
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******************************************************************************/
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static int power_supply_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
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if (ret)
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goto err1;
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ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
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if (ret)
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goto err2;
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ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
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if (ret)
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goto err3;
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return 0;
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err3:
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gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
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err2:
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gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
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err1:
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return ret;
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}
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static int palmld_is_ac_online(void)
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{
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return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
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}
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static int palmld_is_usb_online(void)
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{
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return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
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}
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static void power_supply_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
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gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
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}
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static char *palmld_supplicants[] = {
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"main-battery",
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};
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static struct pda_power_pdata power_supply_info = {
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.init = power_supply_init,
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.is_ac_online = palmld_is_ac_online,
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.is_usb_online = palmld_is_usb_online,
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.exit = power_supply_exit,
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.supplied_to = palmld_supplicants,
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.num_supplicants = ARRAY_SIZE(palmld_supplicants),
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};
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static struct platform_device power_supply = {
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.name = "pda-power",
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.id = -1,
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.dev = {
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.platform_data = &power_supply_info,
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},
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};
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/******************************************************************************
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* WM97xx battery
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******************************************************************************/
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static struct wm97xx_batt_info wm97xx_batt_pdata = {
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.batt_aux = WM97XX_AUX_ID3,
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.temp_aux = WM97XX_AUX_ID2,
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.charge_gpio = -1,
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.max_voltage = PALMLD_BAT_MAX_VOLTAGE,
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.min_voltage = PALMLD_BAT_MIN_VOLTAGE,
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.batt_mult = 1000,
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.batt_div = 414,
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.temp_mult = 1,
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.temp_div = 1,
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.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
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.batt_name = "main-batt",
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};
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/******************************************************************************
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* aSoC audio
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******************************************************************************/
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static struct palm27x_asoc_info palmld_asoc_pdata = {
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.jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT,
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};
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static pxa2xx_audio_ops_t palmld_ac97_pdata = {
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.reset_gpio = 95,
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};
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static struct platform_device palmld_asoc = {
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.name = "palm27x-asoc",
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.id = -1,
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.dev = {
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.platform_data = &palmld_asoc_pdata,
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},
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};
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/******************************************************************************
|
|
* Framebuffer
|
|
******************************************************************************/
|
|
static struct pxafb_mode_info palmld_lcd_modes[] = {
|
|
{
|
|
.pixclock = 57692,
|
|
.xres = 320,
|
|
.yres = 480,
|
|
.bpp = 16,
|
|
|
|
.left_margin = 32,
|
|
.right_margin = 1,
|
|
.upper_margin = 7,
|
|
.lower_margin = 1,
|
|
|
|
.hsync_len = 4,
|
|
.vsync_len = 1,
|
|
},
|
|
};
|
|
|
|
static struct pxafb_mach_info palmld_lcd_screen = {
|
|
.modes = palmld_lcd_modes,
|
|
.num_modes = ARRAY_SIZE(palmld_lcd_modes),
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Power management - standby
|
|
******************************************************************************/
|
|
#ifdef CONFIG_PM
|
|
static u32 *addr __initdata;
|
|
static u32 resume[3] __initdata = {
|
|
0xe3a00101, /* mov r0, #0x40000000 */
|
|
0xe380060f, /* orr r0, r0, #0x00f00000 */
|
|
0xe590f008, /* ldr pc, [r0, #0x08] */
|
|
};
|
|
|
|
static int __init palmld_pm_init(void)
|
|
{
|
|
int i;
|
|
|
|
/* this is where the bootloader jumps */
|
|
addr = phys_to_virt(PALMLD_STR_BASE);
|
|
|
|
for (i = 0; i < 3; i++)
|
|
addr[i] = resume[i];
|
|
|
|
return 0;
|
|
}
|
|
|
|
device_initcall(palmld_pm_init);
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Machine init
|
|
******************************************************************************/
|
|
static struct platform_device *devices[] __initdata = {
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
&palmld_pxa_keys,
|
|
#endif
|
|
&palmld_backlight,
|
|
&palmld_leds,
|
|
&power_supply,
|
|
&palmld_asoc,
|
|
};
|
|
|
|
static struct map_desc palmld_io_desc[] __initdata = {
|
|
{
|
|
.virtual = PALMLD_IDE_VIRT,
|
|
.pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
|
|
.length = PALMLD_IDE_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
{
|
|
.virtual = PALMLD_USB_VIRT,
|
|
.pfn = __phys_to_pfn(PALMLD_USB_PHYS),
|
|
.length = PALMLD_USB_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
};
|
|
|
|
static void __init palmld_map_io(void)
|
|
{
|
|
pxa_map_io();
|
|
iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
|
|
}
|
|
|
|
static void __init palmld_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
|
|
|
|
set_pxa_fb_info(&palmld_lcd_screen);
|
|
pxa_set_mci_info(&palmld_mci_platform_data);
|
|
pxa_set_ac97_info(&palmld_ac97_pdata);
|
|
pxa_set_ficp_info(&palmld_ficp_platform_data);
|
|
pxa_set_keypad_info(&palmld_keypad_platform_data);
|
|
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
MACHINE_START(PALMLD, "Palm LifeDrive")
|
|
.phys_io = PALMLD_PHYS_IO_START,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.boot_params = 0xa0000100,
|
|
.map_io = palmld_map_io,
|
|
.init_irq = pxa27x_init_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = palmld_init
|
|
MACHINE_END
|