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1753 lines
42 KiB
C
1753 lines
42 KiB
C
/*
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* linux/arch/arm/mach-s3c2442/mach-gta02.c
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*
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* S3C2442 Machine Support for the Openmoko Freerunner (GTA02)
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*
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* Copyright (C) 2006-2007 by Openmoko, Inc.
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* Author: Harald Welte <laforge@openmoko.org>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/workqueue.h>
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#include <linux/platform_device.h>
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#include <linux/serial_core.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/spi_bitbang.h>
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#include <linux/mmc/host.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/nand_ecc.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/i2c.h>
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#include <linux/backlight.h>
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#include <linux/regulator/machine.h>
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#include <linux/mfd/pcf50633/core.h>
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#include <linux/mfd/pcf50633/mbc.h>
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#include <linux/mfd/pcf50633/adc.h>
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#include <linux/mfd/pcf50633/gpio.h>
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#include <linux/mfd/pcf50633/pmic.h>
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#include <linux/lis302dl.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/io.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <mach/regs-irq.h>
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#include <mach/regs-gpio.h>
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#include <mach/regs-gpioj.h>
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#include <mach/fb.h>
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#include <mach/mci.h>
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#include <mach/ts.h>
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#include <mach/spi.h>
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#include <mach/spi-gpio.h>
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#include <mach/regs-mem.h>
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#include <plat/pwm.h>
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#include <mach/cpu.h>
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#include <mach/gta02.h>
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#include <plat/regs-serial.h>
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#include <plat/nand.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <plat/pm.h>
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#include <plat/udc.h>
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#include <plat/iic.h>
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#include <plat/usb-control.h>
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#include <plat/regs-timer.h>
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#include <mach/gta02-pm-gsm.h>
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#include <mach/gta02-pm-gps.h>
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#include <mach/gta02-pm-wlan.h>
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#include <linux/jbt6k74.h>
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#include <linux/glamofb.h>
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#include <linux/mfd/glamo.h>
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#include <linux/hdq.h>
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#include <linux/bq27000_battery.h>
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#include <linux/touchscreen/ts_filter_chain.h>
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#ifdef CONFIG_TOUCHSCREEN_FILTER
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#include <linux/touchscreen/ts_filter_linear.h>
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#include <linux/touchscreen/ts_filter_mean.h>
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#include <linux/touchscreen/ts_filter_median.h>
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#include <linux/touchscreen/ts_filter_group.h>
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#endif
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#include <asm/fiq.h>
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#include <linux/gta02-vibrator.h>
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/* arbitrates which sensor IRQ owns the shared SPI bus */
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static spinlock_t motion_irq_lock;
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/* -------------------------------------------------------------------------------
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* GTA02 FIQ related
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*
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* Calls into vibrator and hdq and based on the return values
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* determines if we the FIQ source be kept alive
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*/
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#define DIVISOR_FROM_US(x) ((x) << 3)
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#ifdef CONFIG_HDQ_GPIO_BITBANG
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#define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
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extern int hdq_fiq_handler(void);
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#endif
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#ifdef CONFIG_LEDS_GTA02_VIBRATOR
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#define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
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extern int gta02_vibrator_fiq_handler(void);
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#endif
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#if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
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/* Global data related to our fiq source */
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static u32 gta02_fiq_ack_mask;
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static struct s3c2410_pwm gta02_fiq_pwm_timer;
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static u16 gta02_fiq_timer_index;
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static int gta02_fiq_irq;
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static void gta02_fiq_handler(void)
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{
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u16 divisor = 0xffff;
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/* Vibrator servicing */
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/* disable further timer interrupts if nobody has any work
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* or adjust rate according to who still has work
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*
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* CAUTION: it means forground code must disable FIQ around
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* its own non-atomic S3C2410_INTMSK changes... not common
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* thankfully and taken care of by the fiq-basis patch
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*/
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#ifdef CONFIG_LEDS_GTA02_VIBRATOR
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if (gta02_vibrator_fiq_handler())
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divisor = FIQ_DIVISOR_VIBRATOR;
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#endif
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#ifdef CONFIG_HDQ_GPIO_BITBANG
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if (hdq_fiq_handler())
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divisor = FIQ_DIVISOR_HDQ;
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#endif
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if (divisor == 0xffff) /* mask the fiq irq source */
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__raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
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S3C2410_INTMSK);
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else /* still working, maybe at a different rate */
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__raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
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__raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
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}
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static void gta02_fiq_kick(void)
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{
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unsigned long flags;
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u32 tcon;
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/* we have to take care about FIQ because this modification is
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* non-atomic, FIQ could come in after the read and before the
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* writeback and its changes to the register would be lost
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* (platform INTMSK mod code is taken care of already)
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*/
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local_save_flags(flags);
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local_fiq_disable();
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/* allow FIQs to resume */
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__raw_writel(__raw_readl(S3C2410_INTMSK) &
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~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
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S3C2410_INTMSK);
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tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
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/* fake the timer to a count of 1 */
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__raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
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__raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
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__raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
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S3C2410_TCON);
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__raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
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local_irq_restore(flags);
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}
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static int gta02_fiq_enable(void)
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{
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int irq_index_fiq = IRQ_TIMER3;
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int rc = 0;
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local_fiq_disable();
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gta02_fiq_irq = irq_index_fiq;
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gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
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gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
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/* set up the timer to operate as a pwm device */
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rc = s3c2410_pwm_init(>a02_fiq_pwm_timer);
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if (rc)
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goto bail;
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gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
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gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
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gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
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/* default rate == ~32us */
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gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
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rc = s3c2410_pwm_enable(>a02_fiq_pwm_timer);
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if (rc)
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goto bail;
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s3c2410_pwm_start(>a02_fiq_pwm_timer);
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/* let our selected interrupt be a magic FIQ interrupt */
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__raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
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/* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
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local_fiq_enable();
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set_fiq_c_handler(gta02_fiq_handler);
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return 0;
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bail:
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printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
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return rc;
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}
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static void gta02_fiq_disable(void)
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{
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__raw_writel(0, S3C2410_INTMOD);
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local_fiq_disable();
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gta02_fiq_irq = 0; /* no active source interrupt now either */
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}
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/* -------------------- /GTA02 FIQ Handler ------------------------------------- */
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#endif
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/*
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* this gets called every 1ms when we paniced.
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*/
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static long gta02_panic_blink(long count)
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{
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long delay = 0;
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static long last_blink;
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static char led;
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if (count - last_blink < 100) /* 200ms period, fast blink */
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return 0;
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led ^= 1;
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s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
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s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, led);
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last_blink = count;
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return delay;
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}
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/**
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* returns PCB revision information in b9,b8 and b2,b1,b0
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* Pre-GTA02 A6 returns 0x000
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* GTA02 A6 returns 0x101
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* ...
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*/
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int gta02_get_pcb_revision(void)
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{
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int n;
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int u = 0;
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static unsigned long pinlist[] = {
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GTA02_PCB_ID1_0,
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GTA02_PCB_ID1_1,
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GTA02_PCB_ID1_2,
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GTA02_PCB_ID2_0,
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GTA02_PCB_ID2_1,
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};
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static int pin_offset[] = {
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0, 1, 2, 8, 9
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};
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for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
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/*
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* set the PCB version GPIO to be pulled-down input
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* force low briefly first
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*/
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s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
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s3c2410_gpio_setpin(pinlist[n], 0);
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/* misnomer: it is a pullDOWN in 2442 */
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s3c2410_gpio_pullup(pinlist[n], 1);
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s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
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udelay(10);
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if (s3c2410_gpio_getpin(pinlist[n]))
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u |= 1 << pin_offset[n];
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/*
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* when not being interrogated, all of the revision GPIO
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* are set to output HIGH without pulldown so no current flows
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* if they are NC or pulled up.
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*/
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s3c2410_gpio_setpin(pinlist[n], 1);
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s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
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/* misnomer: it is a pullDOWN in 2442 */
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s3c2410_gpio_pullup(pinlist[n], 0);
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}
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return u;
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}
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struct platform_device gta02_resume_reason_device = {
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.name = "gta02-resume",
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.num_resources = 0,
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};
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static struct map_desc gta02_iodesc[] __initdata = {
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{
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.virtual = 0xe0000000,
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.pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
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.length = SZ_1M,
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.type = MT_DEVICE
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},
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};
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#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg gta02_uartcfgs[] = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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};
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struct pcf50633 *gta02_pcf;
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#ifdef CONFIG_CHARGER_PCF50633
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#ifdef CONFIG_HDQ_GPIO_BITBANG
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static int gta02_get_charger_online_status(void)
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{
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struct pcf50633 *pcf = gta02_pcf;
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return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
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}
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static int gta02_get_charger_active_status(void)
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{
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struct pcf50633 *pcf = gta02_pcf;
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return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
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}
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#endif
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#define ADC_NOM_CHG_DETECT_1A 6
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#define ADC_NOM_CHG_DETECT_USB 43
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static void
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gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
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{
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int ma;
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/* Interpret charger type */
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if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
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/* Stop GPO driving out now that we have a IA charger */
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pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
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ma = 1000;
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} else
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ma = 100;
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pcf50633_mbc_usb_curlim_set(pcf, ma);
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}
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static struct delayed_work gta02_charger_work;
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static int gta02_usb_vbus_draw;
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static void gta02_charger_worker(struct work_struct *work)
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{
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struct pcf50633 *pcf = gta02_pcf;
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if (gta02_usb_vbus_draw) {
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pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
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return;
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} else {
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#ifdef CONFIG_PCF50633_ADC
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pcf50633_adc_async_read(pcf,
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PCF50633_ADCC1_MUX_ADCIN1,
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PCF50633_ADCC1_AVERAGE_16,
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gta02_configure_pmu_for_charger, NULL);
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#else
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/* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
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pcf50633_mbc_usb_curlim_set(pcf, 100);
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#endif
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return;
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}
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}
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#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
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static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
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{
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if (irq == PCF50633_IRQ_USBINS) {
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schedule_delayed_work(>a02_charger_work,
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GTA02_CHARGER_CONFIGURE_TIMEOUT);
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return;
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} else if (irq == PCF50633_IRQ_USBREM) {
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cancel_delayed_work_sync(>a02_charger_work);
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gta02_usb_vbus_draw = 0;
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}
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}
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static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
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{
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pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
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PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
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}
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|
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static void gta02_udc_vbus_draw(unsigned int ma)
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{
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if (!gta02_pcf)
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return;
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gta02_usb_vbus_draw = ma;
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schedule_delayed_work(>a02_charger_work,
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GTA02_CHARGER_CONFIGURE_TIMEOUT);
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}
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|
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static int gta02_udc_vbus_status(void)
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{
|
|
struct pcf50633 *pcf = gta02_pcf;
|
|
if (!gta02_pcf)
|
|
return -ENODEV;
|
|
|
|
return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
|
|
}
|
|
|
|
#else /* !CONFIG_CHARGER_PCF50633 */
|
|
#ifdef CONFIG_HDQ_GPIO_BITBANG
|
|
#define gta02_get_charger_online_status NULL
|
|
#define gta02_get_charger_active_status NULL
|
|
#endif
|
|
#define gta02_pmu_event_callback NULL
|
|
#define gta02_udc_vbus_draw NULL
|
|
#define gta02_udc_vbus_status NULL
|
|
#endif
|
|
|
|
|
|
static struct platform_device gta02_pm_gps_dev = {
|
|
.name = "gta02-pm-gps",
|
|
};
|
|
|
|
static struct platform_device gta02_pm_bt_dev = {
|
|
.name = "gta02-pm-bt",
|
|
};
|
|
|
|
static struct platform_device gta02_pm_gsm_dev = {
|
|
.name = "gta02-pm-gsm",
|
|
};
|
|
|
|
static struct platform_device gta02_pm_wlan_dev = {
|
|
.name = "gta02-pm-wlan",
|
|
};
|
|
|
|
/* this is called when pc50633 is probed, unfortunately quite late in the
|
|
* day since it is an I2C bus device. Here we can belatedly define some
|
|
* platform devices with the advantage that we can mark the pcf50633 as the
|
|
* parent. This makes them get suspended and resumed with their parent
|
|
* the pcf50633 still around.
|
|
*/
|
|
|
|
static struct platform_device gta02_glamo_dev;
|
|
static void mangle_glamo_res_by_system_rev(void);
|
|
|
|
static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
|
|
static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
|
|
|
|
static struct regulator_consumer_supply ldo4_consumers[] = {
|
|
{
|
|
.dev = >a02_pm_bt_dev.dev,
|
|
.supply = "BT_3V2",
|
|
},
|
|
};
|
|
|
|
static struct regulator_consumer_supply ldo5_consumers[] = {
|
|
{
|
|
.dev = >a02_pm_gps_dev.dev,
|
|
.supply = "RF_3V",
|
|
},
|
|
};
|
|
|
|
static struct regulator_consumer_supply hcldo_consumers[] = {
|
|
{
|
|
.dev = >a02_glamo_dev.dev,
|
|
.supply = "SD_3V3",
|
|
},
|
|
};
|
|
|
|
static char *gta02_batteries[] = {
|
|
"battery",
|
|
};
|
|
|
|
#ifdef CONFIG_CHARGER_PCF50633
|
|
|
|
struct pcf50633_platform_data gta02_pcf_pdata = {
|
|
.resumers = {
|
|
[0] = PCF50633_INT1_USBINS |
|
|
PCF50633_INT1_USBREM |
|
|
PCF50633_INT1_ALARM,
|
|
[1] = PCF50633_INT2_ONKEYF,
|
|
[2] = PCF50633_INT3_ONKEY1S,
|
|
[3] = PCF50633_INT4_LOWSYS |
|
|
PCF50633_INT4_LOWBAT |
|
|
PCF50633_INT4_HIGHTMP,
|
|
},
|
|
|
|
.batteries = gta02_batteries,
|
|
.num_batteries = ARRAY_SIZE(gta02_batteries),
|
|
.charging_restart_interval = (900 * HZ),
|
|
.chg_ref_current_ma = 1000,
|
|
|
|
.reg_init_data = {
|
|
[PCF50633_REGULATOR_AUTO] = {
|
|
.constraints = {
|
|
.name = "IO_3V3",
|
|
.min_uV = 3300000,
|
|
.max_uV = 3300000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.boot_on = 1,
|
|
.always_on = 1,
|
|
.apply_uV = 1,
|
|
.state_mem = {
|
|
.enabled = 1,
|
|
},
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_DOWN1] = {
|
|
.constraints = {
|
|
.name = "CORE_1V3",
|
|
.min_uV = 1300000,
|
|
.max_uV = 1600000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.boot_on = 1,
|
|
.always_on = 1,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_DOWN2] = {
|
|
.constraints = {
|
|
.name = "IO_1V8",
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
.boot_on = 1,
|
|
.always_on = 1,
|
|
.state_mem = {
|
|
.enabled = 1,
|
|
},
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_HCLDO] = {
|
|
.constraints = {
|
|
.name = "SD_3V3",
|
|
.min_uV = 2000000,
|
|
.max_uV = 3300000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
|
.boot_on = 1,
|
|
},
|
|
.num_consumer_supplies = 1,
|
|
.consumer_supplies = hcldo_consumers,
|
|
},
|
|
[PCF50633_REGULATOR_LDO1] = {
|
|
.constraints = {
|
|
.name = "GSENSOR_3V3",
|
|
.min_uV = 3300000,
|
|
.max_uV = 3300000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_LDO2] = {
|
|
.constraints = {
|
|
.name = "CODEC_3V3",
|
|
.min_uV = 3300000,
|
|
.max_uV = 3300000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_LDO3] = {
|
|
.constraints = {
|
|
.min_uV = 3000000,
|
|
.max_uV = 3000000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_LDO4] = {
|
|
.constraints = {
|
|
.name = "BT_3V2",
|
|
.min_uV = 3200000,
|
|
.max_uV = 3200000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = 1,
|
|
.consumer_supplies = ldo4_consumers,
|
|
},
|
|
[PCF50633_REGULATOR_LDO5] = {
|
|
.constraints = {
|
|
.name = "RF_3V",
|
|
.min_uV = 3000000,
|
|
.max_uV = 3000000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
.state_mem = {
|
|
.enabled = 1,
|
|
},
|
|
},
|
|
.num_consumer_supplies = 1,
|
|
.consumer_supplies = ldo5_consumers,
|
|
},
|
|
[PCF50633_REGULATOR_LDO6] = {
|
|
.constraints = {
|
|
.name = "LCM_3V",
|
|
.min_uV = 3000000,
|
|
.max_uV = 3000000,
|
|
.always_on = 1,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.apply_uV = 1,
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
[PCF50633_REGULATOR_MEMLDO] = {
|
|
.constraints = {
|
|
.min_uV = 1800000,
|
|
.max_uV = 1800000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL,
|
|
.state_mem = {
|
|
.enabled = 1,
|
|
},
|
|
},
|
|
.num_consumer_supplies = 0,
|
|
},
|
|
|
|
},
|
|
.probe_done = gta02_pmu_attach_child_devices,
|
|
.regulator_registered = gta02_pmu_regulator_registered,
|
|
.mbc_event_callback = gta02_pmu_event_callback,
|
|
.force_shutdown = gta02_pmu_force_shutdown,
|
|
};
|
|
|
|
static void mangle_pmu_pdata_by_system_rev(void)
|
|
{
|
|
struct regulator_init_data *reg_init_data;
|
|
|
|
reg_init_data = gta02_pcf_pdata.reg_init_data;
|
|
|
|
switch (S3C_SYSTEM_REV_ATAG) {
|
|
case GTA02v1_SYSTEM_REV:
|
|
/* FIXME: this is only in v1 due to wrong PMU variant */
|
|
reg_init_data[PCF50633_REGULATOR_DOWN2]
|
|
.constraints.state_mem.enabled = 1;
|
|
|
|
reg_init_data[PCF50633_REGULATOR_LDO1]
|
|
.constraints.min_uV = 1300000;
|
|
reg_init_data[PCF50633_REGULATOR_LDO1]
|
|
.constraints.max_uV = 1300000;
|
|
|
|
reg_init_data[PCF50633_REGULATOR_LDO5]
|
|
.constraints.min_uV = 1500000;
|
|
reg_init_data[PCF50633_REGULATOR_LDO5]
|
|
.constraints.max_uV = 1500000;
|
|
|
|
reg_init_data[PCF50633_REGULATOR_LDO6]
|
|
.constraints.min_uV = 0;
|
|
reg_init_data[PCF50633_REGULATOR_LDO6]
|
|
.constraints.max_uV = 3300000;
|
|
reg_init_data[PCF50633_REGULATOR_LDO6]
|
|
.constraints.apply_uV = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_HDQ_GPIO_BITBANG
|
|
/* BQ27000 Battery */
|
|
|
|
struct bq27000_platform_data bq27000_pdata = {
|
|
.name = "battery",
|
|
.rsense_mohms = 20,
|
|
.hdq_read = hdq_read,
|
|
.hdq_write = hdq_write,
|
|
.hdq_initialized = hdq_initialized,
|
|
.get_charger_online_status = gta02_get_charger_online_status,
|
|
.get_charger_active_status = gta02_get_charger_active_status
|
|
};
|
|
|
|
struct platform_device bq27000_battery_device = {
|
|
.name = "bq27000-battery",
|
|
.dev = {
|
|
.platform_data = &bq27000_pdata,
|
|
},
|
|
};
|
|
|
|
/* HDQ */
|
|
|
|
static void gta02_hdq_attach_child_devices(struct device *parent_device)
|
|
{
|
|
switch (S3C_SYSTEM_REV_ATAG) {
|
|
case GTA02v5_SYSTEM_REV:
|
|
case GTA02v6_SYSTEM_REV:
|
|
bq27000_battery_device.dev.parent = parent_device;
|
|
platform_device_register(&bq27000_battery_device);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void gta02_hdq_gpio_direction_out(void)
|
|
{
|
|
s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
|
|
}
|
|
|
|
static void gta02_hdq_gpio_direction_in(void)
|
|
{
|
|
s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
|
|
}
|
|
|
|
static void gta02_hdq_gpio_set_value(int val)
|
|
{
|
|
|
|
s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
|
|
}
|
|
|
|
static int gta02_hdq_gpio_get_value(void)
|
|
{
|
|
return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
|
|
}
|
|
|
|
static struct resource gta02_hdq_resources[] = {
|
|
[0] = {
|
|
.start = GTA02v5_GPIO_HDQ,
|
|
.end = GTA02v5_GPIO_HDQ,
|
|
},
|
|
};
|
|
|
|
struct hdq_platform_data gta02_hdq_platform_data = {
|
|
.attach_child_devices = gta02_hdq_attach_child_devices,
|
|
.gpio_dir_out = gta02_hdq_gpio_direction_out,
|
|
.gpio_dir_in = gta02_hdq_gpio_direction_in,
|
|
.gpio_set = gta02_hdq_gpio_set_value,
|
|
.gpio_get = gta02_hdq_gpio_get_value,
|
|
|
|
.enable_fiq = gta02_fiq_enable,
|
|
.disable_fiq = gta02_fiq_disable,
|
|
.kick_fiq = gta02_fiq_kick,
|
|
|
|
};
|
|
|
|
struct platform_device gta02_hdq_device = {
|
|
.name = "hdq",
|
|
.num_resources = 1,
|
|
.resource = gta02_hdq_resources,
|
|
.dev = {
|
|
.platform_data = >a02_hdq_platform_data,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_LEDS_GTA02_VIBRATOR
|
|
/* vibrator (child of FIQ) */
|
|
|
|
static struct resource gta02_vibrator_resources[] = {
|
|
[0] = {
|
|
.start = GTA02_GPIO_VIBRATOR_ON,
|
|
.end = GTA02_GPIO_VIBRATOR_ON,
|
|
},
|
|
};
|
|
struct gta02_vib_platform_data gta02_vib_pdata = {
|
|
.enable_fiq = gta02_fiq_enable,
|
|
.disable_fiq = gta02_fiq_disable,
|
|
.kick_fiq = gta02_fiq_kick,
|
|
};
|
|
|
|
static struct platform_device gta02_vibrator_dev = {
|
|
.name = "gta02-vibrator",
|
|
.num_resources = ARRAY_SIZE(gta02_vibrator_resources),
|
|
.resource = gta02_vibrator_resources,
|
|
.dev = {
|
|
.platform_data = >a02_vib_pdata,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
/* NOR Flash */
|
|
|
|
#define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
|
|
#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
|
|
|
|
static struct physmap_flash_data gta02_nor_flash_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource gta02_nor_flash_resource = {
|
|
.start = GTA02_FLASH_BASE,
|
|
.end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device gta02_nor_flash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = >a02_nor_flash_data,
|
|
},
|
|
.resource = >a02_nor_flash_resource,
|
|
.num_resources = 1,
|
|
};
|
|
|
|
|
|
struct platform_device s3c24xx_pwm_device = {
|
|
.name = "s3c24xx_pwm",
|
|
.num_resources = 0,
|
|
};
|
|
|
|
static struct i2c_board_info gta02_i2c_devs[] __initdata = {
|
|
{
|
|
I2C_BOARD_INFO("pcf50633", 0x73),
|
|
.irq = GTA02_IRQ_PCF50633,
|
|
.platform_data = >a02_pcf_pdata,
|
|
},
|
|
{
|
|
I2C_BOARD_INFO("wm8753", 0x1a),
|
|
},
|
|
};
|
|
|
|
static struct s3c2410_nand_set gta02_nand_sets[] = {
|
|
[0] = {
|
|
.name = "neo1973-nand",
|
|
.nr_chips = 1,
|
|
.flags = S3C2410_NAND_BBT,
|
|
},
|
|
};
|
|
|
|
/* choose a set of timings derived from S3C@2442B MCP54
|
|
* data sheet (K5D2G13ACM-D075 MCP Memory)
|
|
*/
|
|
|
|
static struct s3c2410_platform_nand gta02_nand_info = {
|
|
.tacls = 0,
|
|
.twrph0 = 25,
|
|
.twrph1 = 15,
|
|
.nr_sets = ARRAY_SIZE(gta02_nand_sets),
|
|
.sets = gta02_nand_sets,
|
|
.software_ecc = 1,
|
|
};
|
|
|
|
|
|
static void gta02_s3c_mmc_set_power(unsigned char power_mode,
|
|
unsigned short vdd)
|
|
{
|
|
static int is_on = -1;
|
|
int on;
|
|
|
|
on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
|
|
if (is_on != on)
|
|
gta02_wlan_reset(!on);
|
|
is_on = on;
|
|
}
|
|
|
|
|
|
static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
|
|
.set_power = gta02_s3c_mmc_set_power,
|
|
};
|
|
|
|
static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
|
|
{
|
|
switch (cmd) {
|
|
case S3C2410_UDC_P_ENABLE:
|
|
printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
|
|
s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1);
|
|
break;
|
|
case S3C2410_UDC_P_DISABLE:
|
|
printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
|
|
s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0);
|
|
break;
|
|
case S3C2410_UDC_P_RESET:
|
|
printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
|
|
/* FIXME! */
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* get PMU to set USB current limit accordingly */
|
|
|
|
static struct s3c2410_udc_mach_info gta02_udc_cfg = {
|
|
.vbus_draw = gta02_udc_vbus_draw,
|
|
.udc_command = gta02_udc_command,
|
|
/* .get_vbus_status = gta02_udc_vbus_status,*/
|
|
};
|
|
|
|
|
|
/* Touchscreen configuration. */
|
|
|
|
#ifdef CONFIG_TOUCHSCREEN_FILTER
|
|
const static struct ts_filter_group_configuration gta02_ts_group = {
|
|
.length = 12,
|
|
.close_enough = 10,
|
|
.threshold = 6, /* At least half of the points in a group. */
|
|
.attempts = 10,
|
|
};
|
|
|
|
const static struct ts_filter_median_configuration gta02_ts_median = {
|
|
.extent = 20,
|
|
.decimation_below = 3,
|
|
.decimation_threshold = 8 * 3,
|
|
.decimation_above = 4,
|
|
};
|
|
|
|
const static struct ts_filter_mean_configuration gta02_ts_mean = {
|
|
.length = 4,
|
|
};
|
|
|
|
const static struct ts_filter_linear_configuration gta02_ts_linear = {
|
|
.constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
|
|
.coord0 = 0,
|
|
.coord1 = 1,
|
|
};
|
|
#endif
|
|
|
|
const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
|
|
{
|
|
#ifdef CONFIG_TOUCHSCREEN_FILTER
|
|
{&ts_filter_group_api, >a02_ts_group.config},
|
|
{&ts_filter_median_api, >a02_ts_median.config},
|
|
{&ts_filter_mean_api, >a02_ts_mean.config},
|
|
{&ts_filter_linear_api, >a02_ts_linear.config},
|
|
#endif
|
|
{NULL, NULL},
|
|
};
|
|
|
|
const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
|
|
.delay = 10000,
|
|
.presc = 0xff, /* slow as we can go */
|
|
.filter_config = gta02_filter_configuration,
|
|
};
|
|
|
|
|
|
|
|
static void gta02_bl_set_intensity(int intensity)
|
|
{
|
|
struct pcf50633 *pcf = gta02_pcf;
|
|
int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
|
|
int ret;
|
|
|
|
intensity >>= 2;
|
|
|
|
/*
|
|
* One code path that leads here is from a kernel panic. Trying to turn
|
|
* the backlight on just gives us a nearly endless stream of complaints
|
|
* and accomplishes nothing. We can't win. Just give up.
|
|
*
|
|
* In the unlikely event that there's another path leading here while
|
|
* we're atomic, we print at least a warning.
|
|
*/
|
|
if (in_atomic()) {
|
|
printk(KERN_ERR
|
|
"gta02_bl_set_intensity called while atomic\n");
|
|
return;
|
|
}
|
|
|
|
if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
|
|
old_intensity = 0;
|
|
else
|
|
old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
|
|
|
|
if (intensity == old_intensity)
|
|
return;
|
|
|
|
/* We can't do this anywhere else */
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
|
|
|
|
/*
|
|
* The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
|
|
* if seen, you have to re-enable the LED unit
|
|
*/
|
|
if (!intensity || !old_intensity)
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
|
|
|
|
if (!intensity) /* illegal to set LEDOUT to 0 */
|
|
ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
|
|
2);
|
|
else
|
|
ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
|
|
intensity);
|
|
|
|
if (intensity)
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
|
|
|
|
}
|
|
|
|
static struct generic_bl_info gta02_bl_info = {
|
|
.name = "gta02-bl",
|
|
.max_intensity = 0xff,
|
|
.default_intensity = 0xff,
|
|
.set_bl_intensity = gta02_bl_set_intensity,
|
|
};
|
|
|
|
static struct platform_device gta02_bl_dev = {
|
|
.name = "generic-bl",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = >a02_bl_info,
|
|
},
|
|
};
|
|
|
|
/* SPI: LCM control interface attached to Glamo3362 */
|
|
|
|
static void gta02_jbt6k74_reset(int devidx, int level)
|
|
{
|
|
gpio_set_value(GTA02_GPIO_GLAMO(4), level);
|
|
}
|
|
|
|
static void gta02_jbt6k74_probe_completed(struct device *dev)
|
|
{
|
|
struct pcf50633 *pcf = gta02_pcf;
|
|
|
|
/* Switch on backlight. Qi does not do it for us */
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
|
|
pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
|
|
|
|
gta02_bl_dev.dev.parent = dev;
|
|
platform_device_register(>a02_bl_dev);
|
|
}
|
|
|
|
const struct jbt6k74_platform_data jbt6k74_pdata = {
|
|
.reset = gta02_jbt6k74_reset,
|
|
.probe_completed = gta02_jbt6k74_probe_completed,
|
|
};
|
|
|
|
/*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
|
|
|
|
void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
|
|
{
|
|
struct lis302dl_platform_data *pdata = lis->pdata;
|
|
|
|
if (!resume) {
|
|
/*
|
|
* we don't want to power them with a high level
|
|
* because GSENSOR_3V3 is not up during suspend
|
|
*/
|
|
s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
|
|
s3c2410_gpio_setpin(pdata->pin_clk, 0);
|
|
s3c2410_gpio_setpin(pdata->pin_mosi, 0);
|
|
/* misnomer: it is a pullDOWN in 2442 */
|
|
s3c2410_gpio_pullup(pdata->pin_miso, 1);
|
|
return;
|
|
}
|
|
|
|
/* back to normal */
|
|
s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
|
|
s3c2410_gpio_setpin(pdata->pin_clk, 1);
|
|
/* misnomer: it is a pullDOWN in 2442 */
|
|
s3c2410_gpio_pullup(pdata->pin_miso, 0);
|
|
|
|
s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
|
|
s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
|
|
s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
|
|
s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
|
|
|
|
}
|
|
|
|
struct lis302dl_platform_data lis302_pdata_top = {
|
|
.name = "lis302-1 (top)",
|
|
.pin_chip_select= S3C2410_GPD12,
|
|
.pin_clk = S3C2410_GPG7,
|
|
.pin_mosi = S3C2410_GPG6,
|
|
.pin_miso = S3C2410_GPG5,
|
|
.interrupt = GTA02_IRQ_GSENSOR_1,
|
|
.open_drain = 1, /* altered at runtime by PCB rev */
|
|
.lis302dl_suspend_io = gta02_lis302dl_suspend_io,
|
|
};
|
|
|
|
struct lis302dl_platform_data lis302_pdata_bottom = {
|
|
.name = "lis302-2 (bottom)",
|
|
.pin_chip_select= S3C2410_GPD13,
|
|
.pin_clk = S3C2410_GPG7,
|
|
.pin_mosi = S3C2410_GPG6,
|
|
.pin_miso = S3C2410_GPG5,
|
|
.interrupt = GTA02_IRQ_GSENSOR_2,
|
|
.open_drain = 1, /* altered at runtime by PCB rev */
|
|
.lis302dl_suspend_io = gta02_lis302dl_suspend_io,
|
|
};
|
|
|
|
static struct spi_board_info gta02_spi_board_info[] = {
|
|
{
|
|
.modalias = "jbt6k74",
|
|
.platform_data = &jbt6k74_pdata,
|
|
.controller_data = (void*)GTA02_GPIO_GLAMO(12),
|
|
/* irq */
|
|
.max_speed_hz = 100 * 1000,
|
|
.bus_num = 2,
|
|
.chip_select = 0
|
|
},
|
|
{
|
|
.modalias = "lis302dl",
|
|
/* platform_data */
|
|
.platform_data = &lis302_pdata_top,
|
|
/* controller_data */
|
|
/* irq */
|
|
.max_speed_hz = 100 * 1000,
|
|
.bus_num = 3,
|
|
.chip_select = 0,
|
|
},
|
|
|
|
{
|
|
.modalias = "lis302dl",
|
|
/* platform_data */
|
|
.platform_data = &lis302_pdata_bottom,
|
|
/* controller_data */
|
|
/* irq */
|
|
.max_speed_hz = 100 * 1000,
|
|
.bus_num = 3,
|
|
.chip_select = 1,
|
|
},
|
|
|
|
};
|
|
|
|
static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
|
|
{
|
|
|
|
/*
|
|
* Huh... "quirk"... CS on this device is not really "CS" like you can
|
|
* expect.
|
|
*
|
|
* When it is 0 it selects SPI interface mode.
|
|
* When it is 1 it selects I2C interface mode.
|
|
*
|
|
* Because we have 2 devices on one interface we have to make sure
|
|
* that the "disabled" device (actually in I2C mode) don't think we're
|
|
* talking to it.
|
|
*
|
|
* When we talk to the "enabled" device, the "disabled" device sees
|
|
* the clocks as I2C clocks, creating havoc.
|
|
*
|
|
* I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
|
|
* must ensure this is never issued.
|
|
*/
|
|
|
|
int cs_gpio, other_cs_gpio;
|
|
|
|
cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
|
|
other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
|
|
|
|
|
|
if (cs == BITBANG_CS_ACTIVE) {
|
|
s3c2410_gpio_setpin(other_cs_gpio, 1);
|
|
s3c2410_gpio_setpin(cs_gpio, 1);
|
|
s3c2410_gpio_setpin(info->pin_clk, 1);
|
|
s3c2410_gpio_setpin(cs_gpio, 0);
|
|
} else {
|
|
s3c2410_gpio_setpin(cs_gpio, 1);
|
|
s3c2410_gpio_setpin(other_cs_gpio, 1);
|
|
}
|
|
}
|
|
|
|
static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
|
|
.pin_clk = S3C2410_GPG7,
|
|
.pin_mosi = S3C2410_GPG6,
|
|
.pin_miso = S3C2410_GPG5,
|
|
.bus_num = 3,
|
|
.num_chipselect = 2,
|
|
.chip_select = gta02_lis302_chip_select,
|
|
.non_blocking_transfer = 1,
|
|
};
|
|
|
|
static struct platform_device gta02_spi_gpio_dev = {
|
|
.name = "spi_s3c24xx_gpio",
|
|
.dev = {
|
|
.platform_data = >a02_spigpio_cfg,
|
|
},
|
|
};
|
|
|
|
/*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
|
|
|
|
static struct gpio_led gta02_gpio_leds[] = {
|
|
{
|
|
.name = "gta02-power:orange",
|
|
.gpio = GTA02_GPIO_PWR_LED1,
|
|
}, {
|
|
.name = "gta02-power:blue",
|
|
.gpio = GTA02_GPIO_PWR_LED2,
|
|
}, {
|
|
.name = "gta02-aux:red",
|
|
.gpio = GTA02_GPIO_AUX_LED,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data gta02_gpio_leds_pdata = {
|
|
.leds = gta02_gpio_leds,
|
|
.num_leds = ARRAY_SIZE(gta02_gpio_leds),
|
|
};
|
|
|
|
struct platform_device gta02_led_dev = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = >a02_gpio_leds_pdata,
|
|
},
|
|
};
|
|
|
|
static struct gpio_keys_button gta02_buttons[] = {
|
|
{
|
|
.gpio = GTA02_GPIO_AUX_KEY,
|
|
.code = KEY_PHONE,
|
|
.desc = "Aux",
|
|
.type = EV_KEY,
|
|
},
|
|
{
|
|
.gpio = GTA02_GPIO_HOLD_KEY,
|
|
.code = KEY_PAUSE,
|
|
.desc = "Hold",
|
|
.type = EV_KEY,
|
|
},
|
|
};
|
|
|
|
static struct gpio_keys_platform_data gta02_buttons_pdata = {
|
|
.buttons = gta02_buttons,
|
|
.nbuttons = ARRAY_SIZE(gta02_buttons),
|
|
};
|
|
|
|
static struct platform_device gta02_button_dev = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = >a02_buttons_pdata,
|
|
},
|
|
};
|
|
|
|
static struct platform_device gta02_pm_usbhost_dev = {
|
|
.name = "gta02-pm-host",
|
|
};
|
|
|
|
/* USB */
|
|
static struct s3c2410_hcd_info gta02_usb_info = {
|
|
.port[0] = {
|
|
.flags = S3C_HCDFLG_USED,
|
|
},
|
|
.port[1] = {
|
|
.flags = 0,
|
|
},
|
|
};
|
|
|
|
static int glamo_irq_is_wired(void)
|
|
{
|
|
int rc;
|
|
int count = 0;
|
|
|
|
/*
|
|
* GTA02 S-Media IRQs prior to A5 are broken due to a lack of
|
|
* a pullup on the INT# line. Check for the bad behaviour.
|
|
*/
|
|
s3c2410_gpio_setpin(S3C2410_GPG4, 0);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
|
|
/*
|
|
* we force it low ourselves for a moment and resume being input.
|
|
* If there is a pullup, it won't stay low for long. But if the
|
|
* level converter is there as on < A5 revision, the weak keeper
|
|
* on the input of the LC will hold the line low indefinitiely
|
|
*/
|
|
do
|
|
rc = s3c2410_gpio_getpin(S3C2410_GPG4);
|
|
while ((!rc) && ((count++) < 10));
|
|
if (rc) { /* it got pulled back up, it's good */
|
|
printk(KERN_INFO "Detected S-Media IRQ# pullup, "
|
|
"enabling interrupt\n");
|
|
return 0;
|
|
} else /* Gah we can't work with this level converter */
|
|
printk(KERN_WARNING "** Detected bad IRQ# circuit found"
|
|
" on pre-A5 GTA02: S-Media interrupt disabled **\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Smedia Glamo 3362 */
|
|
|
|
/*
|
|
* we crank down SD Card clock dynamically when GPS is powered
|
|
*/
|
|
|
|
static int gta02_glamo_mci_use_slow(void)
|
|
{
|
|
return gta02_pm_gps_is_on();
|
|
}
|
|
|
|
static void gta02_glamo_external_reset(int level)
|
|
{
|
|
s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
|
|
s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
|
|
}
|
|
|
|
/*
|
|
static struct fb_videomode gta02_glamo_modes[] = {
|
|
{
|
|
.name = "480x640",
|
|
.xres = 480,
|
|
.yres = 640,
|
|
.pixclock = 40816,
|
|
.left_margin = 8,
|
|
.right_margin = 63,
|
|
.upper_margin = 2,
|
|
.lower_margin = 4,
|
|
.hsync_len = 8,
|
|
.vsync_len = 2,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
}, {
|
|
.name = "240x320",
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.pixclock = 40816,
|
|
.left_margin = 8,
|
|
.right_margin = 88,
|
|
.upper_margin = 2,
|
|
.lower_margin = 2,
|
|
.hsync_len = 8,
|
|
.vsync_len = 2,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
}
|
|
};*/
|
|
|
|
static struct fb_videomode gta02_glamo_modes[] = {
|
|
{
|
|
.name = "480x640",
|
|
.xres = 480,
|
|
.yres = 640,
|
|
.pixclock = 40816,
|
|
.left_margin = 8,
|
|
.right_margin = 16,
|
|
.upper_margin = 2,
|
|
.lower_margin = 16,
|
|
.hsync_len = 8,
|
|
.vsync_len = 2,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
}, {
|
|
.name = "240x320",
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.pixclock = 40816,
|
|
.left_margin = 8,
|
|
.right_margin = 16,
|
|
.upper_margin = 2,
|
|
.lower_margin = 16,
|
|
.hsync_len = 8,
|
|
.vsync_len = 2,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
}
|
|
};
|
|
|
|
|
|
static struct glamo_fb_platform_data gta02_glamo_fb_pdata = {
|
|
.width = 43,
|
|
.height = 58,
|
|
|
|
.num_modes = ARRAY_SIZE(gta02_glamo_modes),
|
|
.modes = gta02_glamo_modes,
|
|
};
|
|
|
|
static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = {
|
|
.glamo_mmc_use_slow = gta02_glamo_mci_use_slow,
|
|
};
|
|
|
|
static struct glamo_platform_data gta02_glamo_pdata = {
|
|
.fb_data = >a02_glamo_fb_pdata,
|
|
.mmc_data = >a02_glamo_mmc_pdata,
|
|
.gpio_base = GTA02_GPIO_GLAMO_BASE,
|
|
|
|
.osci_clock_rate = 32768,
|
|
|
|
.glamo_irq_is_wired = glamo_irq_is_wired,
|
|
.glamo_external_reset = gta02_glamo_external_reset,
|
|
};
|
|
|
|
static struct resource gta02_glamo_resources[] = {
|
|
[0] = {
|
|
.start = S3C2410_CS1,
|
|
.end = S3C2410_CS1 + 0x1000000 - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = GTA02_IRQ_3D,
|
|
.end = GTA02_IRQ_3D,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
.start = GTA02_GPIO_3D_RESET,
|
|
.end = GTA02_GPIO_3D_RESET,
|
|
},
|
|
};
|
|
|
|
static struct platform_device gta02_glamo_dev = {
|
|
.name = "glamo3362",
|
|
.num_resources = ARRAY_SIZE(gta02_glamo_resources),
|
|
.resource = gta02_glamo_resources,
|
|
.dev = {
|
|
.platform_data = >a02_glamo_pdata,
|
|
},
|
|
};
|
|
|
|
static void mangle_glamo_res_by_system_rev(void)
|
|
{
|
|
switch (S3C_SYSTEM_REV_ATAG) {
|
|
case GTA02v1_SYSTEM_REV:
|
|
break;
|
|
default:
|
|
gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
|
|
gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
|
|
break;
|
|
}
|
|
|
|
switch (S3C_SYSTEM_REV_ATAG) {
|
|
case GTA02v1_SYSTEM_REV:
|
|
case GTA02v2_SYSTEM_REV:
|
|
case GTA02v3_SYSTEM_REV:
|
|
/* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
|
|
/* The hardware is missing a pull-up resistor and thus can't
|
|
* support the Smedia Glamo IRQ */
|
|
gta02_glamo_resources[1].start = 0;
|
|
gta02_glamo_resources[1].end = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
struct spi_gpio_platform_data spigpio_platform_data = {
|
|
.sck = GTA02_GPIO_GLAMO(10),
|
|
.mosi = GTA02_GPIO_GLAMO(11),
|
|
.miso = GTA02_GPIO_GLAMO(5),
|
|
.num_chipselect = 1,
|
|
};
|
|
|
|
static struct platform_device spigpio_device = {
|
|
.name = "spi_gpio",
|
|
.id = 2,
|
|
.dev = {
|
|
.platform_data = &spigpio_platform_data,
|
|
.parent = >a02_glamo_dev.dev,
|
|
},
|
|
};
|
|
|
|
static void __init gta02_map_io(void)
|
|
{
|
|
s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
|
|
s3c24xx_init_clocks(12000000);
|
|
s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
|
|
}
|
|
|
|
static irqreturn_t gta02_modem_irq(int irq, void *param)
|
|
{
|
|
/* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
|
|
gta_gsm_interrupts++;
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t ar6000_wow_irq(int irq, void *param)
|
|
{
|
|
/* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* hardware_ecc=1|0
|
|
*/
|
|
static char hardware_ecc_str[4] __initdata = "";
|
|
|
|
static int __init hardware_ecc_setup(char *str)
|
|
{
|
|
if (str)
|
|
strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
|
|
return 1;
|
|
}
|
|
|
|
__setup("hardware_ecc=", hardware_ecc_setup);
|
|
|
|
/* these are the guys that don't need to be children of PMU */
|
|
|
|
static struct platform_device *gta02_devices[] __initdata = {
|
|
&s3c_device_usb,
|
|
&s3c_device_wdt,
|
|
&s3c_device_sdi,
|
|
&s3c_device_usbgadget,
|
|
&s3c_device_nand,
|
|
>a02_nor_flash,
|
|
|
|
&s3c24xx_pwm_device,
|
|
>a02_led_dev,
|
|
>a02_pm_wlan_dev, /* not dependent on PMU */
|
|
&s3c_device_iis,
|
|
&s3c_device_i2c0,
|
|
};
|
|
|
|
/* these guys DO need to be children of PMU */
|
|
|
|
static struct platform_device *gta02_devices_pmu_children[] = {
|
|
&s3c_device_ts, /* input 1 */
|
|
>a02_pm_gsm_dev,
|
|
>a02_pm_usbhost_dev,
|
|
>a02_spi_gpio_dev, /* input 2 and 3 */
|
|
>a02_button_dev, /* input 4 */
|
|
>a02_resume_reason_device,
|
|
};
|
|
|
|
static void gta02_register_glamo(void)
|
|
{
|
|
platform_device_register(>a02_glamo_dev);
|
|
if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
|
|
printk("gta02: Failed to request jbt6k74 reset pin\n");
|
|
if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
|
|
printk("gta02: Failed to configure jbt6k74 reset pin\n");
|
|
platform_device_register(&spigpio_device);
|
|
}
|
|
|
|
static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
|
|
{
|
|
struct platform_device *regulator, *pdev;
|
|
|
|
gta02_pcf = pcf;
|
|
|
|
regulator = pcf->regulator_pdev[id];
|
|
|
|
switch(id) {
|
|
case PCF50633_REGULATOR_LDO4:
|
|
pdev = >a02_pm_bt_dev;
|
|
break;
|
|
case PCF50633_REGULATOR_LDO5:
|
|
pdev = >a02_pm_gps_dev;
|
|
break;
|
|
case PCF50633_REGULATOR_HCLDO:
|
|
gta02_register_glamo();
|
|
return;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
pdev->dev.parent = ®ulator->dev;
|
|
platform_device_register(pdev);
|
|
}
|
|
|
|
/* this is called when pc50633 is probed, unfortunately quite late in the
|
|
* day since it is an I2C bus device. Here we can belatedly define some
|
|
* platform devices with the advantage that we can mark the pcf50633 as the
|
|
* parent. This makes them get suspended and resumed with their parent
|
|
* the pcf50633 still around.
|
|
*/
|
|
|
|
static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
|
|
{
|
|
int n;
|
|
|
|
for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
|
|
gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
|
|
|
|
mangle_glamo_res_by_system_rev();
|
|
platform_add_devices(gta02_devices_pmu_children,
|
|
ARRAY_SIZE(gta02_devices_pmu_children));
|
|
|
|
regulator_has_full_constraints();
|
|
}
|
|
|
|
static void gta02_poweroff(void)
|
|
{
|
|
pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
|
|
PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
|
|
}
|
|
|
|
static void __init gta02_machine_init(void)
|
|
{
|
|
int rc;
|
|
|
|
/* set the panic callback to make AUX blink fast */
|
|
panic_blink = gta02_panic_blink;
|
|
|
|
switch (S3C_SYSTEM_REV_ATAG) {
|
|
case GTA02v6_SYSTEM_REV:
|
|
/* we need push-pull interrupt from motion sensors */
|
|
lis302_pdata_top.open_drain = 0;
|
|
lis302_pdata_bottom.open_drain = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
spin_lock_init(&motion_irq_lock);
|
|
|
|
#ifdef CONFIG_CHARGER_PCF50633
|
|
INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
|
|
#endif
|
|
|
|
/* Glamo chip select optimization */
|
|
/* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
|
|
|
|
/* do not force soft ecc if we are asked to use hardware_ecc */
|
|
if (hardware_ecc_str[0] == '1')
|
|
gta02_nand_info.software_ecc = 0;
|
|
|
|
s3c_device_usb.dev.platform_data = >a02_usb_info;
|
|
s3c_device_nand.dev.platform_data = >a02_nand_info;
|
|
s3c_device_sdi.dev.platform_data = >a02_s3c_mmc_cfg;
|
|
|
|
/* acc sensor chip selects */
|
|
s3c2410_gpio_setpin(S3C2410_GPD12, 1);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
|
|
s3c2410_gpio_setpin(S3C2410_GPD13, 1);
|
|
s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
|
|
|
|
|
|
s3c24xx_udc_set_platdata(>a02_udc_cfg);
|
|
s3c_i2c0_set_platdata(NULL);
|
|
set_s3c2410ts_info(>a02_ts_cfg);
|
|
|
|
mangle_glamo_res_by_system_rev();
|
|
|
|
i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
|
|
spi_register_board_info(gta02_spi_board_info,
|
|
ARRAY_SIZE(gta02_spi_board_info));
|
|
|
|
#ifdef CONFIG_CHARGER_PCF50633
|
|
mangle_pmu_pdata_by_system_rev();
|
|
#endif
|
|
|
|
platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
|
|
|
|
s3c_pm_init();
|
|
|
|
/* Make sure the modem can wake us up */
|
|
set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
|
|
rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
|
|
"modem", NULL);
|
|
if (rc < 0)
|
|
printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
|
|
enable_irq_wake(GTA02_IRQ_MODEM);
|
|
|
|
/* Make sure the wifi module can wake us up*/
|
|
set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
|
|
rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
|
|
"ar6000", NULL);
|
|
|
|
if (rc < 0)
|
|
printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
|
|
enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
|
|
|
|
pm_power_off = gta02_poweroff;
|
|
|
|
/* Register the HDQ and vibrator as children of pwm device */
|
|
#ifdef CONFIG_HDQ_GPIO_BITBANG
|
|
gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
|
|
platform_device_register(>a02_hdq_device);
|
|
#endif
|
|
#ifdef CONFIG_LEDS_GTA02_VIBRATOR
|
|
gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
|
|
platform_device_register(>a02_vibrator_dev);
|
|
#endif
|
|
}
|
|
|
|
void DEBUG_LED(int n)
|
|
{
|
|
switch (n) {
|
|
case 0:
|
|
s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1);
|
|
break;
|
|
case 1:
|
|
s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1);
|
|
break;
|
|
default:
|
|
s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(DEBUG_LED);
|
|
|
|
MACHINE_START(NEO1973_GTA02, "GTA02")
|
|
.phys_io = S3C2410_PA_UART,
|
|
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
|
|
.boot_params = S3C2410_SDRAM_PA + 0x100,
|
|
.map_io = gta02_map_io,
|
|
.init_irq = s3c24xx_init_irq,
|
|
.init_machine = gta02_machine_init,
|
|
.timer = &s3c24xx_timer,
|
|
MACHINE_END
|