[ARM] pxa/palm: Introduce Palm27x
This contains common code for Palm LD, TX, T5, Z72, Treo680, Centro This code also adds PMIC support for all the devices, Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
Marek Vasut
Eric Miao
Родитель
04e4ad2354
Коммит
95045947ab
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@ -347,6 +347,9 @@ config ARCH_PXA_PALM
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bool "PXA based Palm PDAs"
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select HAVE_PWM
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config MACH_PALM27X
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bool
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config MACH_PALMTE2
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bool "Palm Tungsten|E2"
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default y
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@ -75,6 +75,7 @@ obj-$(CONFIG_PXA_EZX) += ezx.o
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obj-$(CONFIG_MACH_MP900C) += mp900.o
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obj-$(CONFIG_MACH_PALMTE2) += palmte2.o
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obj-$(CONFIG_MACH_PALMTC) += palmtc.o
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obj-$(CONFIG_MACH_PALM27X) += palm27x.o
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obj-$(CONFIG_MACH_PALMT5) += palmt5.o
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obj-$(CONFIG_MACH_PALMTX) += palmtx.o
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obj-$(CONFIG_MACH_PALMZ72) += palmz72.o
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@ -0,0 +1,81 @@
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/*
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* Common functions for Palm LD, T5, TX, Z72
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*
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* Copyright (C) 2010
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* Marek Vasut <marek.vasut@gmail.com>
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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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*/
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#ifndef __INCLUDE_MACH_PALM27X__
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#define __INCLUDE_MACH_PALM27X__
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#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
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extern void __init palm27x_mmc_init(int detect, int ro, int power,
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int power_inverted);
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#else
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static inline void palm27x_mmc_init(int detect, int ro, int power,
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int power_inverted)
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{}
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#endif
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#if defined(CONFIG_SUSPEND)
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extern void __init palm27x_pm_init(unsigned long str_base);
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#else
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static inline void palm27x_pm_init(unsigned long str_base) {}
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#endif
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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extern struct pxafb_mode_info palm_320x480_lcd_mode;
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extern struct pxafb_mode_info palm_320x320_lcd_mode;
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extern struct pxafb_mode_info palm_320x320_new_lcd_mode;
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extern void __init palm27x_lcd_init(int power,
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struct pxafb_mode_info *mode);
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#else
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static inline void palm27x_lcd_init(int power, struct pxafb_mode_info *mode) {}
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#endif
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#if defined(CONFIG_USB_GADGET_PXA27X) || \
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defined(CONFIG_USB_GADGET_PXA27X_MODULE)
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extern void __init palm27x_udc_init(int vbus, int pullup,
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int vbus_inverted);
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#else
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static inline void palm27x_udc_init(int vbus, int pullup, int vbus_inverted) {}
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#endif
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#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
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extern void __init palm27x_irda_init(int pwdn);
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#else
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static inline void palm27x_irda_init(int pwdn) {}
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#endif
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#if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
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defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
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extern void __init palm27x_ac97_init(int minv, int maxv, int jack,
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int reset);
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#else
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static inline void palm27x_ac97_init(int minv, int maxv, int jack, int reset) {}
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#endif
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#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
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extern void __init palm27x_pwm_init(int bl, int lcd);
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#else
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static inline void palm27x_pwm_init(int bl, int lcd) {}
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#endif
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#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
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extern void __init palm27x_power_init(int ac, int usb);
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#else
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static inline void palm27x_power_init(int ac, int usb) {}
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#endif
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#if defined(CONFIG_REGULATOR_MAX1586) || \
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defined(CONFIG_REGULATOR_MAX1586_MODULE)
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extern void __init palm27x_pmic_init(void);
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#else
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static inline void palm27x_pmic_init(void) {}
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#endif
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#endif /* __INCLUDE_MACH_PALM27X__ */
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@ -0,0 +1,477 @@
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/*
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* Common code for Palm LD, T5, TX, Z72
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*
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* Copyright (C) 2010
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* Marek Vasut <marek.vasut@gmail.com>
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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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*/
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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.h>
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#include <linux/power_supply.h>
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#include <linux/usb/gpio_vbus.h>
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#include <linux/regulator/max1586.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/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/irda.h>
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#include <mach/udc.h>
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#include <mach/palmasoc.h>
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#include <mach/palm27x.h>
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#include <plat/i2c.h>
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
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static struct pxamci_platform_data palm27x_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.detect_delay_ms = 200,
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};
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void __init palm27x_mmc_init(int detect, int ro, int power,
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int power_inverted)
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{
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palm27x_mci_platform_data.gpio_card_detect = detect;
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palm27x_mci_platform_data.gpio_card_ro = ro;
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palm27x_mci_platform_data.gpio_power = power;
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palm27x_mci_platform_data.gpio_power_invert = power_inverted;
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pxa_set_mci_info(&palm27x_mci_platform_data);
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}
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#endif
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/******************************************************************************
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* Power management - standby
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******************************************************************************/
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#if defined(CONFIG_SUSPEND)
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void __init palm27x_pm_init(unsigned long str_base)
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{
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static const unsigned long resume[] = {
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0xe3a00101, /* mov r0, #0x40000000 */
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0xe380060f, /* orr r0, r0, #0x00f00000 */
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0xe590f008, /* ldr pc, [r0, #0x08] */
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};
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/*
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* Copy the bootloader.
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* NOTE: PalmZ72 uses a different wakeup method!
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*/
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memcpy(phys_to_virt(str_base), resume, sizeof(resume));
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}
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#endif
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/******************************************************************************
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* Framebuffer
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******************************************************************************/
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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struct pxafb_mode_info palm_320x480_lcd_mode = {
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.pixclock = 57692,
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.xres = 320,
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.yres = 480,
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.bpp = 16,
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.left_margin = 32,
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.right_margin = 1,
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.upper_margin = 7,
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.lower_margin = 1,
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.hsync_len = 4,
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.vsync_len = 1,
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};
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struct pxafb_mode_info palm_320x320_lcd_mode = {
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.pixclock = 115384,
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.xres = 320,
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.yres = 320,
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.bpp = 16,
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.left_margin = 27,
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.right_margin = 7,
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.upper_margin = 7,
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.lower_margin = 8,
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.hsync_len = 6,
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.vsync_len = 1,
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};
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struct pxafb_mode_info palm_320x320_new_lcd_mode = {
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.pixclock = 86538,
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.xres = 320,
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.yres = 320,
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.bpp = 16,
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.left_margin = 20,
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.right_margin = 8,
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.upper_margin = 8,
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.lower_margin = 5,
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.hsync_len = 4,
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.vsync_len = 1,
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};
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static struct pxafb_mach_info palm27x_lcd_screen = {
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.num_modes = 1,
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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static int palm27x_lcd_power;
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static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
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{
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gpio_set_value(palm27x_lcd_power, on);
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}
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void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
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{
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palm27x_lcd_screen.modes = mode;
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if (gpio_is_valid(power)) {
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if (!gpio_request(power, "LCD power")) {
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pr_err("Palm27x: failed to claim lcd power gpio!\n");
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return;
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}
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if (!gpio_direction_output(power, 1)) {
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pr_err("Palm27x: lcd power configuration failed!\n");
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return;
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}
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palm27x_lcd_power = power;
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palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
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}
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set_pxa_fb_info(&palm27x_lcd_screen);
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}
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#endif
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/******************************************************************************
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* USB Gadget
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******************************************************************************/
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#if defined(CONFIG_USB_GADGET_PXA27X) || \
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defined(CONFIG_USB_GADGET_PXA27X_MODULE)
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static struct gpio_vbus_mach_info palm27x_udc_info = {
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.gpio_vbus_inverted = 1,
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};
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static struct platform_device palm27x_gpio_vbus = {
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.name = "gpio-vbus",
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.id = -1,
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.dev = {
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.platform_data = &palm27x_udc_info,
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},
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};
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void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
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{
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palm27x_udc_info.gpio_vbus = vbus;
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palm27x_udc_info.gpio_pullup = pullup;
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palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
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if (!gpio_request(pullup, "USB Pullup")) {
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gpio_direction_output(pullup,
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palm27x_udc_info.gpio_vbus_inverted);
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gpio_free(pullup);
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} else
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return;
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platform_device_register(&palm27x_gpio_vbus);
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}
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#endif
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/******************************************************************************
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* IrDA
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******************************************************************************/
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#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
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static struct pxaficp_platform_data palm27x_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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};
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void __init palm27x_irda_init(int pwdn)
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{
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palm27x_ficp_platform_data.gpio_pwdown = pwdn;
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pxa_set_ficp_info(&palm27x_ficp_platform_data);
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}
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#endif
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/******************************************************************************
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* WM97xx audio, battery
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******************************************************************************/
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#if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
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defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
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static struct wm97xx_batt_pdata palm27x_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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.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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static struct wm97xx_pdata palm27x_wm97xx_pdata = {
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.batt_pdata = &palm27x_batt_pdata,
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};
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static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
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.codec_pdata = { &palm27x_wm97xx_pdata, },
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};
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static struct palm27x_asoc_info palm27x_asoc_pdata = {
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.jack_gpio = -1,
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};
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static struct platform_device palm27x_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 = &palm27x_asoc_pdata,
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},
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};
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void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
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{
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palm27x_ac97_pdata.reset_gpio = reset;
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palm27x_asoc_pdata.jack_gpio = jack;
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if (minv < 0 || maxv < 0) {
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palm27x_ac97_pdata.codec_pdata[0] = NULL;
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pxa_set_ac97_info(&palm27x_ac97_pdata);
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} else {
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palm27x_batt_pdata.min_voltage = minv,
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palm27x_batt_pdata.max_voltage = maxv,
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pxa_set_ac97_info(&palm27x_ac97_pdata);
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platform_device_register(&palm27x_asoc);
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}
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}
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#endif
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/******************************************************************************
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* Backlight
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******************************************************************************/
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#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
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static int palm_bl_power;
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static int palm_lcd_power;
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static int palm27x_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(palm_bl_power, "BL POWER");
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if (ret)
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goto err;
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ret = gpio_direction_output(palm_bl_power, 0);
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if (ret)
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goto err2;
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if (gpio_is_valid(palm_lcd_power)) {
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ret = gpio_request(palm_lcd_power, "LCD POWER");
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if (ret)
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goto err2;
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ret = gpio_direction_output(palm_lcd_power, 0);
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if (ret)
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goto err3;
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}
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return 0;
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err3:
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gpio_free(palm_lcd_power);
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err2:
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gpio_free(palm_bl_power);
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err:
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return ret;
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}
|
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static int palm27x_backlight_notify(struct device *dev, int brightness)
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{
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gpio_set_value(palm_bl_power, brightness);
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if (gpio_is_valid(palm_lcd_power))
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gpio_set_value(palm_lcd_power, brightness);
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return brightness;
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}
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|
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static void palm27x_backlight_exit(struct device *dev)
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{
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gpio_free(palm_bl_power);
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if (gpio_is_valid(palm_lcd_power))
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gpio_free(palm_lcd_power);
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}
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|
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static struct platform_pwm_backlight_data palm27x_backlight_data = {
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.pwm_id = 0,
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.max_brightness = 0xfe,
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.dft_brightness = 0x7e,
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.pwm_period_ns = 3500,
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.init = palm27x_backlight_init,
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.notify = palm27x_backlight_notify,
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.exit = palm27x_backlight_exit,
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};
|
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|
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static struct platform_device palm27x_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 = &palm27x_backlight_data,
|
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},
|
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};
|
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|
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void __init palm27x_pwm_init(int bl, int lcd)
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{
|
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palm_bl_power = bl;
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palm_lcd_power = lcd;
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platform_device_register(&palm27x_backlight);
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}
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#endif
|
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|
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/******************************************************************************
|
||||
* Power supply
|
||||
******************************************************************************/
|
||||
#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
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static int palm_ac_state;
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||||
static int palm_usb_state;
|
||||
|
||||
static int palm27x_power_supply_init(struct device *dev)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = gpio_request(palm_ac_state, "AC state");
|
||||
if (ret)
|
||||
goto err1;
|
||||
ret = gpio_direction_input(palm_ac_state);
|
||||
if (ret)
|
||||
goto err2;
|
||||
|
||||
if (gpio_is_valid(palm_usb_state)) {
|
||||
ret = gpio_request(palm_usb_state, "USB state");
|
||||
if (ret)
|
||||
goto err2;
|
||||
ret = gpio_direction_input(palm_usb_state);
|
||||
if (ret)
|
||||
goto err3;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err3:
|
||||
gpio_free(palm_usb_state);
|
||||
err2:
|
||||
gpio_free(palm_ac_state);
|
||||
err1:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void palm27x_power_supply_exit(struct device *dev)
|
||||
{
|
||||
gpio_free(palm_usb_state);
|
||||
gpio_free(palm_ac_state);
|
||||
}
|
||||
|
||||
static int palm27x_is_ac_online(void)
|
||||
{
|
||||
return gpio_get_value(palm_ac_state);
|
||||
}
|
||||
|
||||
static int palm27x_is_usb_online(void)
|
||||
{
|
||||
return !gpio_get_value(palm_usb_state);
|
||||
}
|
||||
static char *palm27x_supplicants[] = {
|
||||
"main-battery",
|
||||
};
|
||||
|
||||
static struct pda_power_pdata palm27x_ps_info = {
|
||||
.init = palm27x_power_supply_init,
|
||||
.exit = palm27x_power_supply_exit,
|
||||
.is_ac_online = palm27x_is_ac_online,
|
||||
.is_usb_online = palm27x_is_usb_online,
|
||||
.supplied_to = palm27x_supplicants,
|
||||
.num_supplicants = ARRAY_SIZE(palm27x_supplicants),
|
||||
};
|
||||
|
||||
static struct platform_device palm27x_power_supply = {
|
||||
.name = "pda-power",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &palm27x_ps_info,
|
||||
},
|
||||
};
|
||||
|
||||
void __init palm27x_power_init(int ac, int usb)
|
||||
{
|
||||
palm_ac_state = ac;
|
||||
palm_usb_state = usb;
|
||||
platform_device_register(&palm27x_power_supply);
|
||||
}
|
||||
#endif
|
||||
|
||||
/******************************************************************************
|
||||
* Core power regulator
|
||||
******************************************************************************/
|
||||
#if defined(CONFIG_REGULATOR_MAX1586) || \
|
||||
defined(CONFIG_REGULATOR_MAX1586_MODULE)
|
||||
static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
|
||||
{
|
||||
.supply = "vcc_core",
|
||||
}
|
||||
};
|
||||
|
||||
static struct regulator_init_data palm27x_max1587a_v3_info = {
|
||||
.constraints = {
|
||||
.name = "vcc_core range",
|
||||
.min_uV = 900000,
|
||||
.max_uV = 1705000,
|
||||
.always_on = 1,
|
||||
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
||||
},
|
||||
.consumer_supplies = palm27x_max1587a_consumers,
|
||||
.num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers),
|
||||
};
|
||||
|
||||
static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
|
||||
{
|
||||
.name = "vcc_core",
|
||||
.id = MAX1586_V3,
|
||||
.platform_data = &palm27x_max1587a_v3_info,
|
||||
}
|
||||
};
|
||||
|
||||
static struct max1586_platform_data palm27x_max1587a_info = {
|
||||
.subdevs = palm27x_max1587a_subdevs,
|
||||
.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
|
||||
.v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
|
||||
};
|
||||
|
||||
static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
|
||||
{
|
||||
I2C_BOARD_INFO("max1586", 0x14),
|
||||
.platform_data = &palm27x_max1587a_info,
|
||||
},
|
||||
};
|
||||
|
||||
void __init palm27x_pmic_init(void)
|
||||
{
|
||||
i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
|
||||
pxa27x_set_i2c_power_info(NULL);
|
||||
}
|
||||
#endif
|
||||
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