projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| acb36559 DM |
1 | /* |
| 2 | * arch/arm/mach-pxa/colibri-pxa3xx.c | |
| 3 | * | |
| 4 | * Common functions for all Toradex PXA3xx modules | |
| 5 | * | |
| 6 | * Daniel Mack <daniel@caiaq.de> | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/init.h> | |
| 14 | #include <linux/kernel.h> | |
| 15 | #include <linux/platform_device.h> | |
| 16 | #include <linux/gpio.h> | |
| 17 | #include <asm/mach-types.h> | |
| 18 | #include <mach/hardware.h> | |
| 19 | #include <asm/sizes.h> | |
| 20 | #include <asm/mach/arch.h> | |
| 21 | #include <asm/mach/irq.h> | |
| 22 | #include <mach/pxa3xx-regs.h> | |
| 23 | #include <mach/mfp-pxa300.h> | |
| 24 | #include <mach/colibri.h> | |
| 25 | #include <mach/mmc.h> | |
| 91fcfb90 | 26 | #include <mach/pxafb.h> |
| acb36559 DM |
27 | |
| 28 | #include "generic.h" | |
| 29 | #include "devices.h" | |
| 30 | ||
| 31 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | |
| 32 | static int mmc_detect_pin; | |
| 33 | ||
| 34 | static int colibri_pxa3xx_mci_init(struct device *dev, | |
| 35 | irq_handler_t colibri_mmc_detect_int, | |
| 36 | void *data) | |
| 37 | { | |
| 38 | int ret; | |
| 39 | ||
| 40 | ret = gpio_request(mmc_detect_pin, "mmc card detect"); | |
| 41 | if (ret) | |
| 42 | return ret; | |
| 43 | ||
| 44 | gpio_direction_input(mmc_detect_pin); | |
| 45 | ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int, | |
| 46 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
| 47 | "MMC card detect", data); | |
| 48 | if (ret) { | |
| 49 | gpio_free(mmc_detect_pin); | |
| 50 | return ret; | |
| 51 | } | |
| 52 | ||
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | static void colibri_pxa3xx_mci_exit(struct device *dev, void *data) | |
| 57 | { | |
| 58 | free_irq(mmc_detect_pin, data); | |
| 59 | gpio_free(gpio_to_irq(mmc_detect_pin)); | |
| 60 | } | |
| 61 | ||
| 62 | static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = { | |
| 63 | .detect_delay = 20, | |
| 64 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
| 65 | .init = colibri_pxa3xx_mci_init, | |
| 66 | .exit = colibri_pxa3xx_mci_exit, | |
| 67 | }; | |
| 68 | ||
| 69 | void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin) | |
| 70 | { | |
| 71 | pxa3xx_mfp_config(pins, len); | |
| 72 | mmc_detect_pin = detect_pin; | |
| 73 | pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data); | |
| 74 | } | |
| 75 | #endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */ | |
| 76 | ||
| 91fcfb90 DM |
77 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
| 78 | static int lcd_bl_pin; | |
| 79 | ||
| 80 | /* | |
| 81 | * LCD panel (Sharp LQ043T3DX02) | |
| 82 | */ | |
| 83 | static void colibri_lcd_backlight(int on) | |
| 84 | { | |
| 85 | gpio_set_value(lcd_bl_pin, !!on); | |
| 86 | } | |
| 87 | ||
| 88 | static struct pxafb_mode_info sharp_lq43_mode = { | |
| 89 | .pixclock = 101936, | |
| 90 | .xres = 480, | |
| 91 | .yres = 272, | |
| 92 | .bpp = 32, | |
| 93 | .depth = 18, | |
| 94 | .hsync_len = 41, | |
| 95 | .left_margin = 2, | |
| 96 | .right_margin = 2, | |
| 97 | .vsync_len = 10, | |
| 98 | .upper_margin = 2, | |
| 99 | .lower_margin = 2, | |
| 100 | .sync = 0, | |
| 101 | .cmap_greyscale = 0, | |
| 102 | }; | |
| 103 | ||
| 104 | static struct pxafb_mach_info sharp_lq43_info = { | |
| 105 | .modes = &sharp_lq43_mode, | |
| 106 | .num_modes = 1, | |
| 107 | .cmap_inverse = 0, | |
| 108 | .cmap_static = 0, | |
| 109 | .lcd_conn = LCD_COLOR_TFT_18BPP, | |
| 110 | .pxafb_backlight_power = colibri_lcd_backlight, | |
| 111 | }; | |
| 112 | ||
| 113 | void __init colibri_pxa3xx_init_lcd(int bl_pin) | |
| 114 | { | |
| 115 | lcd_bl_pin = bl_pin; | |
| 116 | gpio_request(bl_pin, "lcd backlight"); | |
| 117 | gpio_direction_output(bl_pin, 0); | |
| 118 | set_pxa_fb_info(&sharp_lq43_info); | |
| 119 | } | |
| 120 | #endif | |
| 121 |