From mboxrd@z Thu Jan 1 00:00:00 1970 From: marek.vasut@gmail.com (Marek Vasut) Date: Tue, 13 Jul 2010 09:51:05 +0200 Subject: [PATCH v2 2/5] pxa: Introduce Palm27x In-Reply-To: <1279007468-20872-1-git-send-email-marek.vasut@gmail.com> References: <1279007468-20872-1-git-send-email-marek.vasut@gmail.com> Message-ID: <1279007468-20872-2-git-send-email-marek.vasut@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This contains common code for Palm LD, TX, T5, Z72 Signed-off-by: Marek Vasut --- arch/arm/mach-pxa/Kconfig | 3 + arch/arm/mach-pxa/Makefile | 1 + arch/arm/mach-pxa/include/mach/palm27x.h | 48 +++ arch/arm/mach-pxa/palm27x.c | 475 ++++++++++++++++++++++++++++++ 4 files changed, 527 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-pxa/include/mach/palm27x.h diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 2ff0b32..f3eaade 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -347,6 +347,9 @@ config ARCH_PXA_PALM bool "PXA based Palm PDAs" select HAVE_PWM +config MACH_PALM27X + bool + config MACH_PALMTE2 bool "Palm Tungsten|E2" default y diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 3f72218..20c80e8 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -75,6 +75,7 @@ obj-$(CONFIG_PXA_EZX) += ezx.o obj-$(CONFIG_MACH_MP900C) += mp900.o obj-$(CONFIG_MACH_PALMTE2) += palmte2.o obj-$(CONFIG_MACH_PALMTC) += palmtc.o +obj-$(CONFIG_MACH_PALM27X) += palm27x.o obj-$(CONFIG_MACH_PALMT5) += palmt5.o obj-$(CONFIG_MACH_PALMTX) += palmtx.o obj-$(CONFIG_MACH_PALMZ72) += palmz72.o diff --git a/arch/arm/mach-pxa/include/mach/palm27x.h b/arch/arm/mach-pxa/include/mach/palm27x.h new file mode 100644 index 0000000..94ae6d9 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/palm27x.h @@ -0,0 +1,48 @@ +/* + * Common functions for Palm LD, T5, TX, Z72 + * + * Copyright (C) 2010 + * Marek Vasut + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +struct palm27x_handheld { + /* SD/MMC */ + int mmc_detect; + int mmc_ro; + int mmc_power; + + /* PM */ + unsigned long pm_str_base; + + /* UDC */ + int udc_detect; + int udc_pullup; + + /* IrDA */ + int irda_pwdn; + + /* Battery */ + int batt_minv; + int batt_maxv; + + /* Audio */ + int jack_gpio; + + /* Backlight */ + int bl_bl; + int bl_lcd; + + /* Power supply */ + int power_ac; + int power_usb; + + /* LCD */ + int lcd_power; +}; + +extern void __init palm27x_common_init(struct palm27x_handheld *); diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index e69de29..ff5ee8c 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c @@ -0,0 +1,475 @@ +/* + * Common code for Palm LD, T5, TX, Z72 + * + * Copyright (C) 2010 + * Marek Vasut + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static struct pxamci_platform_data palm27x_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .detect_delay_ms = 200, +}; + +static void __init palm27x_mmc_init(int detect, int ro, int power) +{ + palm27x_mci_platform_data.gpio_card_detect = detect; + palm27x_mci_platform_data.gpio_card_ro = ro; + palm27x_mci_platform_data.gpio_power = power; + + if (machine_is_palmz72() || machine_is_centro()) + palm27x_mci_platform_data.gpio_power_invert = 1; + + pxa_set_mci_info(&palm27x_mci_platform_data); +} +#else +static inline void palm27x_mmc_init(int detect, int ro, int power) {} +#endif + +/****************************************************************************** + * Power management - standby + ******************************************************************************/ +#if defined(CONFIG_SUSPEND) +static void __init palm27x_pm_init(unsigned long str_base) +{ + static const unsigned long resume[] = { + 0xe3a00101, /* mov r0, #0x40000000 */ + 0xe380060f, /* orr r0, r0, #0x00f00000 */ + 0xe590f008, /* ldr pc, [r0, #0x08] */ + }; + + /* + * Copy the bootloader. + * NOTE: PalmZ72 uses a different wakeup method! + */ + if (!machine_is_palmz72()) + memcpy(phys_to_virt(str_base), resume, sizeof(resume)); +} +#else +static inline void palm27x_pm_init(unsigned long str_base) {} +#endif + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +/* + * NOTE: PalmZ72 has so called HiRes screen -- 320x320 + * The rest of devices has HiRes+ screen -- 320x480 + */ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct pxafb_mode_info palm27x_modes[] = { + { + .pixclock = 57692, + .xres = 320, + .yres = 480, + .bpp = 16, + + .left_margin = 32, + .right_margin = 1, + .upper_margin = 7, + .lower_margin = 1, + + .hsync_len = 4, + .vsync_len = 1, + }, { + .pixclock = 115384, + .xres = 320, + .yres = 320, + .bpp = 16, + + .left_margin = 27, + .right_margin = 7, + .upper_margin = 7, + .lower_margin = 8, + + .hsync_len = 6, + .vsync_len = 1, + }, { + .pixclock = 86538, + .xres = 320, + .yres = 320, + .bpp = 16, + + .left_margin = 20, + .right_margin = 8, + .upper_margin = 8, + .lower_margin = 5, + + .hsync_len = 4, + .vsync_len = 1, + } +}; + +static struct pxafb_mach_info palm27x_lcd_screen = { + .num_modes = 1, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +static int palm27x_lcd_power; +static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info) +{ + gpio_set_value(palm27x_lcd_power, on); +} + +static void __init palm27x_lcd_init(int power) +{ + if (machine_is_palmz72()) + palm27x_lcd_screen.modes = &palm27x_modes[1]; + else if (machine_is_treo680() || machine_is_centro()) + palm27x_lcd_screen.modes = &palm27x_modes[2]; + else + palm27x_lcd_screen.modes = &palm27x_modes[0]; + + if (gpio_is_valid(power)) { + if (!gpio_request(power, "LCD power")) { + pr_err("Palm27x: failed to claim lcd power gpio!\n"); + return; + } + if (!gpio_direction_output(power, 1)) { + pr_err("Palm27x: lcd power configuration failed!\n"); + return; + } + palm27x_lcd_power = power; + palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl; + } + + set_pxa_fb_info(&palm27x_lcd_screen); +} + +#else +static inline void palm27x_lcd_init(int power) {} +#endif + +/****************************************************************************** + * USB Gadget + ******************************************************************************/ +#if defined(CONFIG_USB_GADGET_PXA27X) || \ + defined(CONFIG_USB_GADGET_PXA27X_MODULE) +static struct gpio_vbus_mach_info palm27x_udc_info = { + .gpio_vbus_inverted = 1, +}; + +static struct platform_device palm27x_gpio_vbus = { + .name = "gpio-vbus", + .id = -1, + .dev = { + .platform_data = &palm27x_udc_info, + }, +}; + +static void __init palm27x_udc_init(int vbus, int pullup) +{ + if (machine_is_palmld()) + return; + + palm27x_udc_info.gpio_vbus = vbus; + palm27x_udc_info.gpio_pullup = pullup; + + if (machine_is_palmz72()) + palm27x_udc_info.gpio_vbus_inverted = 0; + + if (!gpio_request(pullup, "USB Pullup")) { + gpio_direction_output(pullup, + palm27x_udc_info.gpio_vbus_inverted); + gpio_free(pullup); + } else + return; + + platform_device_register(&palm27x_gpio_vbus); +} +#else +static inline void palm27x_udc_init(int vbus, int pullup) {} +#endif + +/****************************************************************************** + * IrDA + ******************************************************************************/ +#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) +static struct pxaficp_platform_data palm27x_ficp_platform_data = { + .transceiver_cap = IR_SIRMODE | IR_OFF, +}; + +static void __init palm27x_irda_init(int pwdn) +{ + palm27x_ficp_platform_data.gpio_pwdown = pwdn; + pxa_set_ficp_info(&palm27x_ficp_platform_data); +} +#else +static inline void palm27x_irda_init(int pwdn) {} +#endif + +/****************************************************************************** + * WM97xx audio, battery + ******************************************************************************/ +#if defined(CONFIG_TOUCHSCREEN_WM97XX) || \ + defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE) +static struct wm97xx_batt_pdata palm27x_batt_pdata = { + .batt_aux = WM97XX_AUX_ID3, + .temp_aux = WM97XX_AUX_ID2, + .charge_gpio = -1, + .batt_mult = 1000, + .batt_div = 414, + .temp_mult = 1, + .temp_div = 1, + .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, + .batt_name = "main-batt", +}; + +static struct wm97xx_pdata palm27x_wm97xx_pdata = { + .batt_pdata = &palm27x_batt_pdata, +}; + +static pxa2xx_audio_ops_t palm27x_ac97_pdata = { + .codec_pdata = { &palm27x_wm97xx_pdata, }, +}; + +static struct palm27x_asoc_info palm27x_asoc_pdata = { + .jack_gpio = -1, +}; + +static struct platform_device palm27x_asoc = { + .name = "palm27x-asoc", + .id = -1, + .dev = { + .platform_data = &palm27x_asoc_pdata, + }, +}; + +static void __init palm27x_ac97_init(int minv, int maxv, int jack) +{ + if (!machine_is_palmz72()) + palm27x_ac97_pdata.reset_gpio = 95; + else + palm27x_asoc_pdata.jack_gpio = jack; + + if (machine_is_treo680() || machine_is_centro()) { + palm27x_ac97_pdata.codec_pdata[0] = NULL; + pxa_set_ac97_info(&palm27x_ac97_pdata); + } else { + palm27x_batt_pdata.min_voltage = minv, + palm27x_batt_pdata.max_voltage = maxv, + + pxa_set_ac97_info(&palm27x_ac97_pdata); + platform_device_register(&palm27x_asoc); + } +} +#else +static inline void palm27x_ac97_init(int minv, int maxv, int jack) {} +#endif + +/****************************************************************************** + * Backlight + ******************************************************************************/ +#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +struct { + int bl_power; + int lcd_power; +} palm27x_bl_info; + +static int palm27x_backlight_init(struct device *dev) +{ + int ret; + + ret = gpio_request(palm27x_bl_info.bl_power, "BL POWER"); + if (ret) + goto err; + ret = gpio_direction_output(palm27x_bl_info.bl_power, 0); + if (ret) + goto err2; + + if (gpio_is_valid(palm27x_bl_info.lcd_power)) { + ret = gpio_request(palm27x_bl_info.lcd_power, "LCD POWER"); + if (ret) + goto err2; + ret = gpio_direction_output(palm27x_bl_info.lcd_power, 0); + if (ret) + goto err3; + } + + return 0; +err3: + gpio_free(palm27x_bl_info.lcd_power); +err2: + gpio_free(palm27x_bl_info.bl_power); +err: + return ret; +} + +static int palm27x_backlight_notify(struct device *dev, int brightness) +{ + gpio_set_value(palm27x_bl_info.bl_power, brightness); + if (gpio_is_valid(palm27x_bl_info.lcd_power)) + gpio_set_value(palm27x_bl_info.lcd_power, brightness); + return brightness; +} + +static void palm27x_backlight_exit(struct device *dev) +{ + gpio_free(palm27x_bl_info.bl_power); + if (gpio_is_valid(palm27x_bl_info.lcd_power)) + gpio_free(palm27x_bl_info.lcd_power); +} + +static struct platform_pwm_backlight_data palm27x_backlight_data = { + .pwm_id = 0, + .max_brightness = 0xfe, + .dft_brightness = 0x7e, + .pwm_period_ns = 3500, + .init = palm27x_backlight_init, + .notify = palm27x_backlight_notify, + .exit = palm27x_backlight_exit, +}; + +static struct platform_device palm27x_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &palm27x_backlight_data, + }, +}; + +static void __init palm27x_pwm_init(int bl, int lcd) +{ + palm27x_bl_info.bl_power = bl; + palm27x_bl_info.lcd_power = lcd; + platform_device_register(&palm27x_backlight); +} +#else +static inline void palm27x_pwm_init(int bl, int lcd) {} +#endif + +/****************************************************************************** + * Power supply + ******************************************************************************/ +#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE) +struct { + int ac_state; + int usb_state; +} palm27x_power_info; + +static int palm27x_power_supply_init(struct device *dev) +{ + int ret; + + ret = gpio_request(palm27x_power_info.ac_state, "AC state"); + if (ret) + goto err1; + ret = gpio_direction_input(palm27x_power_info.ac_state); + if (ret) + goto err2; + + if (gpio_is_valid(palm27x_power_info.usb_state)) { + ret = gpio_request(palm27x_power_info.usb_state, "USB state"); + if (ret) + goto err2; + ret = gpio_direction_input(palm27x_power_info.usb_state); + if (ret) + goto err3; + } + + return 0; +err3: + gpio_free(palm27x_power_info.usb_state); +err2: + gpio_free(palm27x_power_info.ac_state); +err1: + return ret; +} + +static void palm27x_power_supply_exit(struct device *dev) +{ + gpio_free(palm27x_power_info.usb_state); + gpio_free(palm27x_power_info.ac_state); +} + +static int palm27x_is_ac_online(void) +{ + return gpio_get_value(palm27x_power_info.ac_state); +} + +static int palm27x_is_usb_online(void) +{ + return !gpio_get_value(palm27x_power_info.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, + }, +}; + +static void __init palm27x_power_init(int ac, int usb) +{ + palm27x_power_info.ac_state = ac; + palm27x_power_info.usb_state = usb; + platform_device_register(&palm27x_power_supply); +} +#else +static inline void palm27x_power_init(int ac, int usb) {} +#endif + +void __init palm27x_common_init(struct palm27x_handheld *palm) +{ + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + palm27x_mmc_init(palm->mmc_detect, palm->mmc_ro, palm->mmc_power); + palm27x_pm_init(palm->pm_str_base); + palm27x_lcd_init(palm->lcd_power); + palm27x_udc_init(palm->udc_detect, palm->udc_pullup); + palm27x_irda_init(palm->irda_pwdn); + palm27x_ac97_init(palm->batt_minv, palm->batt_maxv, palm->jack_gpio); + palm27x_pwm_init(palm->bl_bl, palm->bl_lcd); + palm27x_power_init(palm->power_ac, palm->power_usb); +} -- 1.7.1