arch/arm/mach-pxa/tavorevb3.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/tavorevb3.c
   3  *
   4  *  Support for the Marvell EVB3 Development Platform.
   5  *
   6  *  Copyright:  (C) Copyright 2008-2010 Marvell International Ltd.
   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  *  publishhed 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/interrupt.h>
  17 #include <linux/i2c.h>
  18 #include <linux/i2c/pxa-i2c.h>
  19 #include <linux/gpio.h>
  20 #include <linux/mfd/88pm860x.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24
  25 #include <mach/pxa930.h>
  26
  27 #include "devices.h"
  28 #include "generic.h"
  29
  30 #define TAVOREVB3_NR_IRQS       (IRQ_BOARD_START + 24)
  31
  32 static mfp_cfg_t evb3_mfp_cfg[] __initdata = {
  33         /* UART */
  34         GPIO53_UART1_TXD,
  35         GPIO54_UART1_RXD,
  36
  37         /* PMIC */
  38         PMIC_INT_GPIO83,
  39 };
  40
  41 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
  42 static struct pm860x_touch_pdata evb3_touch = {
  43         .gpadc_prebias  = 1,
  44         .slot_cycle     = 1,
  45         .tsi_prebias    = 6,
  46         .pen_prebias    = 16,
  47         .pen_prechg     = 2,
  48         .res_x          = 300,
  49 };
  50
  51 static struct pm860x_backlight_pdata evb3_backlight[] = {
  52         {
  53                 .id     = PM8606_ID_BACKLIGHT,
  54                 .iset   = PM8606_WLED_CURRENT(24),
  55                 .flags  = PM8606_BACKLIGHT1,
  56         },
  57         {},
  58 };
  59
  60 static struct pm860x_led_pdata evb3_led[] = {
  61         {
  62                 .id     = PM8606_ID_LED,
  63                 .iset   = PM8606_LED_CURRENT(12),
  64                 .flags  = PM8606_LED1_RED,
  65         }, {
  66                 .id     = PM8606_ID_LED,
  67                 .iset   = PM8606_LED_CURRENT(12),
  68                 .flags  = PM8606_LED1_GREEN,
  69         }, {
  70                 .id     = PM8606_ID_LED,
  71                 .iset   = PM8606_LED_CURRENT(12),
  72                 .flags  = PM8606_LED1_BLUE,
  73         }, {
  74                 .id     = PM8606_ID_LED,
  75                 .iset   = PM8606_LED_CURRENT(12),
  76                 .flags  = PM8606_LED2_RED,
  77         }, {
  78                 .id     = PM8606_ID_LED,
  79                 .iset   = PM8606_LED_CURRENT(12),
  80                 .flags  = PM8606_LED2_GREEN,
  81         }, {
  82                 .id     = PM8606_ID_LED,
  83                 .iset   = PM8606_LED_CURRENT(12),
  84                 .flags  = PM8606_LED2_BLUE,
  85         },
  86 };
  87
  88 static struct pm860x_platform_data evb3_pm8607_info = {
  89         .touch                          = &evb3_touch,
  90         .backlight                      = &evb3_backlight[0],
  91         .led                            = &evb3_led[0],
  92         .companion_addr                 = 0x10,
  93         .irq_mode                       = 0,
  94         .irq_base                       = IRQ_BOARD_START,
  95
  96         .i2c_port                       = GI2C_PORT,
  97 };
  98
  99 static struct i2c_board_info evb3_i2c_info[] = {
 100         {
 101                 .type           = "88PM860x",
 102                 .addr           = 0x34,
 103                 .platform_data  = &evb3_pm8607_info,
 104                 .irq            = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)),
 105         },
 106 };
 107
 108 static void __init evb3_init_i2c(void)
 109 {
 110         pxa_set_i2c_info(NULL);
 111         i2c_register_board_info(0, ARRAY_AND_SIZE(evb3_i2c_info));
 112 }
 113 #else
 114 static inline void evb3_init_i2c(void) {}
 115 #endif
 116
 117 static void __init evb3_init(void)
 118 {
 119         /* initialize MFP configurations */
 120         pxa3xx_mfp_config(ARRAY_AND_SIZE(evb3_mfp_cfg));
 121
 122         pxa_set_ffuart_info(NULL);
 123
 124         evb3_init_i2c();
 125 }
 126
 127 MACHINE_START(TAVOREVB3, "PXA950 Evaluation Board (aka TavorEVB3)")
 128         .atag_offset    = 0x100,
 129         .map_io         = pxa3xx_map_io,
 130         .nr_irqs        = TAVOREVB3_NR_IRQS,
 131         .init_irq       = pxa3xx_init_irq,
 132         .handle_irq       = pxa3xx_handle_irq,
 133         .timer          = &pxa_timer,
 134         .init_machine   = evb3_init,
 135         .restart        = pxa_restart,
 136 MACHINE_END