diff options
Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa3xx.c')
-rw-r--r-- | arch/arm/mach-pxa/colibri-pxa3xx.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c new file mode 100644 index 0000000..12d0afc --- /dev/null +++ b/arch/arm/mach-pxa/colibri-pxa3xx.c @@ -0,0 +1,121 @@ +/* + * arch/arm/mach-pxa/colibri-pxa3xx.c + * + * Common functions for all Toradex PXA3xx modules + * + * Daniel Mack <daniel@caiaq.de> + * + * 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 <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <asm/sizes.h> +#include <asm/mach/arch.h> +#include <asm/mach/irq.h> +#include <mach/pxa3xx-regs.h> +#include <mach/mfp-pxa300.h> +#include <mach/colibri.h> +#include <mach/mmc.h> +#include <mach/pxafb.h> + +#include "generic.h" +#include "devices.h" + +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static int mmc_detect_pin; + +static int colibri_pxa3xx_mci_init(struct device *dev, + irq_handler_t colibri_mmc_detect_int, + void *data) +{ + int ret; + + ret = gpio_request(mmc_detect_pin, "mmc card detect"); + if (ret) + return ret; + + gpio_direction_input(mmc_detect_pin); + ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "MMC card detect", data); + if (ret) { + gpio_free(mmc_detect_pin); + return ret; + } + + return 0; +} + +static void colibri_pxa3xx_mci_exit(struct device *dev, void *data) +{ + free_irq(mmc_detect_pin, data); + gpio_free(gpio_to_irq(mmc_detect_pin)); +} + +static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = { + .detect_delay = 20, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .init = colibri_pxa3xx_mci_init, + .exit = colibri_pxa3xx_mci_exit, +}; + +void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin) +{ + pxa3xx_mfp_config(pins, len); + mmc_detect_pin = detect_pin; + pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data); +} +#endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */ + +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static int lcd_bl_pin; + +/* + * LCD panel (Sharp LQ043T3DX02) + */ +static void colibri_lcd_backlight(int on) +{ + gpio_set_value(lcd_bl_pin, !!on); +} + +static struct pxafb_mode_info sharp_lq43_mode = { + .pixclock = 101936, + .xres = 480, + .yres = 272, + .bpp = 32, + .depth = 18, + .hsync_len = 41, + .left_margin = 2, + .right_margin = 2, + .vsync_len = 10, + .upper_margin = 2, + .lower_margin = 2, + .sync = 0, + .cmap_greyscale = 0, +}; + +static struct pxafb_mach_info sharp_lq43_info = { + .modes = &sharp_lq43_mode, + .num_modes = 1, + .cmap_inverse = 0, + .cmap_static = 0, + .lcd_conn = LCD_COLOR_TFT_18BPP, + .pxafb_backlight_power = colibri_lcd_backlight, +}; + +void __init colibri_pxa3xx_init_lcd(int bl_pin) +{ + lcd_bl_pin = bl_pin; + gpio_request(bl_pin, "lcd backlight"); + gpio_direction_output(bl_pin, 0); + set_pxa_fb_info(&sharp_lq43_info); +} +#endif + |