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/gpio.h>
  19 #include <linux/mfd/88pm860x.h>
  20
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23
  24 #include <mach/pxa930.h>
  25
  26 #include <plat/i2c.h>
  27
  28 #include "devices.h"
  29 #include "generic.h"
  30
  31 #define TAVOREVB3_NR_IRQS       (IRQ_BOARD_START + 24)
  32
  33 static mfp_cfg_t evb3_mfp_cfg[] __initdata = {
  34         /* UART */
  35         GPIO53_UART1_TXD,
  36         GPIO54_UART1_RXD,
  37
  38         /* PMIC */
  39         PMIC_INT_GPIO83,
  40 };
  41
  42 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
  43 static struct pm860x_touch_pdata evb3_touch = {
  44         .gpadc_prebias  = 1,
  45         .slot_cycle     = 1,
  46         .tsi_prebias    = 6,
  47         .pen_prebias    = 16,
  48         .pen_prechg     = 2,
  49         .res_x          = 300,
  50 };
  51
  52 static struct pm860x_backlight_pdata evb3_backlight[] = {
  53         {
  54                 .id     = PM8606_ID_BACKLIGHT,
  55                 .iset   = PM8606_WLED_CURRENT(24),
  56                 .flags  = PM8606_BACKLIGHT1,
  57         },
  58         {},
  59 };
  60
  61 static struct pm860x_led_pdata evb3_led[] = {
  62         {
  63                 .id     = PM8606_ID_LED,
  64                 .iset   = PM8606_LED_CURRENT(12),
  65                 .flags  = PM8606_LED1_RED,
  66         }, {
  67                 .id     = PM8606_ID_LED,
  68                 .iset   = PM8606_LED_CURRENT(12),
  69                 .flags  = PM8606_LED1_GREEN,
  70         }, {
  71                 .id     = PM8606_ID_LED,
  72                 .iset   = PM8606_LED_CURRENT(12),
  73                 .flags  = PM8606_LED1_BLUE,
  74         }, {
  75                 .id     = PM8606_ID_LED,
  76                 .iset   = PM8606_LED_CURRENT(12),
  77                 .flags  = PM8606_LED2_RED,
  78         }, {
  79                 .id     = PM8606_ID_LED,
  80                 .iset   = PM8606_LED_CURRENT(12),
  81                 .flags  = PM8606_LED2_GREEN,
  82         }, {
  83                 .id     = PM8606_ID_LED,
  84                 .iset   = PM8606_LED_CURRENT(12),
  85                 .flags  = PM8606_LED2_BLUE,
  86         },
  87 };
  88
  89 static struct pm860x_platform_data evb3_pm8607_info = {
  90         .touch                          = &evb3_touch,
  91         .backlight                      = &evb3_backlight[0],
  92         .led                            = &evb3_led[0],
  93         .companion_addr                 = 0x10,
  94         .irq_mode                       = 0,
  95         .irq_base                       = IRQ_BOARD_START,
  96
  97         .i2c_port                       = GI2C_PORT,
  98 };
  99
 100 static struct i2c_board_info evb3_i2c_info[] = {
 101         {
 102                 .type           = "88PM860x",
 103                 .addr           = 0x34,
 104                 .platform_data  = &evb3_pm8607_info,
 105                 .irq            = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)),
 106         },
 107 };
 108
 109 static void __init evb3_init_i2c(void)
 110 {
 111         pxa_set_i2c_info(NULL);
 112         i2c_register_board_info(0, ARRAY_AND_SIZE(evb3_i2c_info));
 113 }
 114 #else
 115 static inline void evb3_init_i2c(void) {}
 116 #endif
 117
 118 static void __init evb3_init(void)
 119 {
 120         /* initialize MFP configurations */
 121         pxa3xx_mfp_config(ARRAY_AND_SIZE(evb3_mfp_cfg));
 122
 123         pxa_set_ffuart_info(NULL);
 124
 125         evb3_init_i2c();
 126 }
 127
 128 MACHINE_START(TAVOREVB3, "PXA950 Evaluation Board (aka TavorEVB3)")
 129         .boot_params    = 0xa0000100,
 130         .map_io         = pxa3xx_map_io,
 131         .nr_irqs        = TAVOREVB3_NR_IRQS,
 132         .init_irq       = pxa3xx_init_irq,
 133         .timer          = &pxa_timer,
 134         .init_machine   = evb3_init,
 135 MACHINE_END