arch/arm/mach-pxa/colibri-pxa270-income.c

   1 /*
   2  * linux/arch/arm/mach-pxa/income.c
   3  *
   4  * Support for Income s.r.o. SH-Dmaster PXA270 SBC
   5  *
   6  * Copyright (C) 2010
   7  * Marek Vasut <marek.vasut@gmail.com>
   8  * Pavel Revak <palo@bielyvlk.sk>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/bitops.h>
  16 #include <linux/delay.h>
  17 #include <linux/gpio/machine.h>
  18 #include <linux/init.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/leds.h>
  21 #include <linux/ioport.h>
  22 #include <linux/kernel.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/pwm.h>
  25 #include <linux/pwm_backlight.h>
  26 #include <linux/platform_data/i2c-pxa.h>
  27
  28 #include <asm/irq.h>
  29 #include <asm/mach-types.h>
  30
  31 #include <mach/hardware.h>
  32 #include <linux/platform_data/mmc-pxamci.h>
  33 #include <linux/platform_data/usb-ohci-pxa27x.h>
  34 #include "pxa27x.h"
  35 #include "pxa27x-udc.h"
  36 #include <linux/platform_data/video-pxafb.h>
  37
  38 #include "devices.h"
  39 #include "generic.h"
  40
  41 #define GPIO114_INCOME_ETH_IRQ  (114)
  42 #define GPIO0_INCOME_SD_DETECT  (0)
  43 #define GPIO0_INCOME_SD_RO      (1)
  44 #define GPIO54_INCOME_LED_A     (54)
  45 #define GPIO55_INCOME_LED_B     (55)
  46 #define GPIO113_INCOME_TS_IRQ   (113)
  47
  48 /******************************************************************************
  49  * SD/MMC card controller
  50  ******************************************************************************/
  51 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
  52 static struct pxamci_platform_data income_mci_platform_data = {
  53         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
  54         .detect_delay_ms        = 200,
  55 };
  56
  57 static struct gpiod_lookup_table income_mci_gpio_table = {
  58         .dev_id = "pxa2xx-mci.0",
  59         .table = {
  60                 /* Card detect on GPIO 0 */
  61                 GPIO_LOOKUP("gpio-pxa", GPIO0_INCOME_SD_DETECT,
  62                             "cd", GPIO_ACTIVE_LOW),
  63                 /* Write protect on GPIO 1 */
  64                 GPIO_LOOKUP("gpio-pxa", GPIO0_INCOME_SD_RO,
  65                             "wp", GPIO_ACTIVE_LOW),
  66                 { },
  67         },
  68 };
  69
  70 static void __init income_mmc_init(void)
  71 {
  72         gpiod_add_lookup_table(&income_mci_gpio_table);
  73         pxa_set_mci_info(&income_mci_platform_data);
  74 }
  75 #else
  76 static inline void income_mmc_init(void) {}
  77 #endif
  78
  79 /******************************************************************************
  80  * USB Host
  81  ******************************************************************************/
  82 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  83 static struct pxaohci_platform_data income_ohci_info = {
  84         .port_mode      = PMM_PERPORT_MODE,
  85         .flags          = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
  86 };
  87
  88 static void __init income_uhc_init(void)
  89 {
  90         pxa_set_ohci_info(&income_ohci_info);
  91 }
  92 #else
  93 static inline void income_uhc_init(void) {}
  94 #endif
  95
  96 /******************************************************************************
  97  * LED
  98  ******************************************************************************/
  99 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 100 struct gpio_led income_gpio_leds[] = {
 101         {
 102                 .name                   = "income:green:leda",
 103                 .default_trigger        = "none",
 104                 .gpio                   = GPIO54_INCOME_LED_A,
 105                 .active_low             = 1,
 106         },
 107         {
 108                 .name                   = "income:green:ledb",
 109                 .default_trigger        = "none",
 110                 .gpio                   = GPIO55_INCOME_LED_B,
 111                 .active_low             = 1,
 112         }
 113 };
 114
 115 static struct gpio_led_platform_data income_gpio_led_info = {
 116         .leds           = income_gpio_leds,
 117         .num_leds       = ARRAY_SIZE(income_gpio_leds),
 118 };
 119
 120 static struct platform_device income_leds = {
 121         .name   = "leds-gpio",
 122         .id     = -1,
 123         .dev    = {
 124                 .platform_data  = &income_gpio_led_info,
 125         }
 126 };
 127
 128 static void __init income_led_init(void)
 129 {
 130         platform_device_register(&income_leds);
 131 }
 132 #else
 133 static inline void income_led_init(void) {}
 134 #endif
 135
 136 /******************************************************************************
 137  * I2C
 138  ******************************************************************************/
 139 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 140 static struct i2c_board_info __initdata income_i2c_devs[] = {
 141         {
 142                 I2C_BOARD_INFO("ds1340", 0x68),
 143         }, {
 144                 I2C_BOARD_INFO("lm75", 0x4f),
 145         },
 146 };
 147
 148 static void __init income_i2c_init(void)
 149 {
 150         pxa_set_i2c_info(NULL);
 151         pxa27x_set_i2c_power_info(NULL);
 152         i2c_register_board_info(0, ARRAY_AND_SIZE(income_i2c_devs));
 153 }
 154 #else
 155 static inline void income_i2c_init(void) {}
 156 #endif
 157
 158 /******************************************************************************
 159  * Framebuffer
 160  ******************************************************************************/
 161 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 162 static struct pxafb_mode_info income_lcd_modes[] = {
 163 {
 164         .pixclock       = 144700,
 165         .xres           = 320,
 166         .yres           = 240,
 167         .bpp            = 32,
 168         .depth          = 18,
 169
 170         .left_margin    = 10,
 171         .right_margin   = 10,
 172         .upper_margin   = 7,
 173         .lower_margin   = 8,
 174
 175         .hsync_len      = 20,
 176         .vsync_len      = 2,
 177
 178         .sync           = FB_SYNC_VERT_HIGH_ACT,
 179 },
 180 };
 181
 182 static struct pxafb_mach_info income_lcd_screen = {
 183         .modes          = income_lcd_modes,
 184         .num_modes      = ARRAY_SIZE(income_lcd_modes),
 185         .lcd_conn       = LCD_COLOR_TFT_18BPP | LCD_PCLK_EDGE_FALL,
 186 };
 187
 188 static void __init income_lcd_init(void)
 189 {
 190         pxa_set_fb_info(NULL, &income_lcd_screen);
 191 }
 192 #else
 193 static inline void income_lcd_init(void) {}
 194 #endif
 195
 196 /******************************************************************************
 197  * Backlight
 198  ******************************************************************************/
 199 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 200 static struct pwm_lookup income_pwm_lookup[] = {
 201         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 1000000,
 202                    PWM_POLARITY_NORMAL),
 203 };
 204
 205 static struct platform_pwm_backlight_data income_backlight_data = {
 206         .max_brightness = 0x3ff,
 207         .dft_brightness = 0x1ff,
 208         .enable_gpio    = -1,
 209 };
 210
 211 static struct platform_device income_backlight = {
 212         .name   = "pwm-backlight",
 213         .dev    = {
 214                 .parent         = &pxa27x_device_pwm0.dev,
 215                 .platform_data  = &income_backlight_data,
 216         },
 217 };
 218
 219 static void __init income_pwm_init(void)
 220 {
 221         pwm_add_table(income_pwm_lookup, ARRAY_SIZE(income_pwm_lookup));
 222         platform_device_register(&income_backlight);
 223 }
 224 #else
 225 static inline void income_pwm_init(void) {}
 226 #endif
 227
 228 void __init colibri_pxa270_income_boardinit(void)
 229 {
 230         pxa_set_ffuart_info(NULL);
 231         pxa_set_btuart_info(NULL);
 232         pxa_set_stuart_info(NULL);
 233
 234         income_mmc_init();
 235         income_uhc_init();
 236         income_led_init();
 237         income_i2c_init();
 238         income_lcd_init();
 239         income_pwm_init();
 240 }
 241