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review.evervolv.com / android_kernel_htc_msm8960 / 91fcfb908d62038c3c2cdecb7fb8aa2c98cb70a2 / . / arch / arm / mach-pxa / colibri-pxa3xx.c
blob: 12d0afc54aa5342cd97cda940d3206d98866dab9 [file] [log] [blame]
Daniel Mackacb36552009-03-23 02:04:17 +0100[diff] [blame]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>
Daniel Mack91fcfb92009-03-23 02:04:19 +0100[diff] [blame^]26#include <mach/pxafb.h>
Daniel Mackacb36552009-03-23 02:04:17 +0100[diff] [blame]27
28#include "generic.h"
29#include "devices.h"
30
31#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
32static int mmc_detect_pin;
33
34static 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
56static 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
62static 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
69void __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
Daniel Mack91fcfb92009-03-23 02:04:19 +0100[diff] [blame^]77#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
78static int lcd_bl_pin;
79
80/*
81 * LCD panel (Sharp LQ043T3DX02)
82 */
83static void colibri_lcd_backlight(int on)
84{
85 gpio_set_value(lcd_bl_pin, !!on);
86}
87
88static 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
104static 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
113void __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