arch/mips/lantiq/xway/devices.c

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify it
   3  *  under the terms of the GNU General Public License version 2 as published
   4  *  by the Free Software Foundation.
   5  *
   6  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/module.h>
  11 #include <linux/types.h>
  12 #include <linux/string.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <linux/kernel.h>
  15 #include <linux/reboot.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/leds.h>
  18 #include <linux/etherdevice.h>
  19 #include <linux/reboot.h>
  20 #include <linux/time.h>
  21 #include <linux/io.h>
  22 #include <linux/gpio.h>
  23 #include <linux/leds.h>
  24
  25 #include <asm/bootinfo.h>
  26 #include <asm/irq.h>
  27
  28 #include <lantiq_soc.h>
  29 #include <lantiq_irq.h>
  30 #include <lantiq_platform.h>
  31
  32 #include "devices.h"
  33
  34 /* gpio */
  35 static struct resource ltq_gpio_resource[] = {
  36         {
  37                 .name   = "gpio0",
  38                 .start  = LTQ_GPIO0_BASE_ADDR,
  39                 .end    = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
  40                 .flags  = IORESOURCE_MEM,
  41         }, {
  42                 .name   = "gpio1",
  43                 .start  = LTQ_GPIO1_BASE_ADDR,
  44                 .end    = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
  45                 .flags  = IORESOURCE_MEM,
  46         }, {
  47                 .name   = "gpio2",
  48                 .start  = LTQ_GPIO2_BASE_ADDR,
  49                 .end    = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
  50                 .flags  = IORESOURCE_MEM,
  51         }
  52 };
  53
  54 void __init ltq_register_gpio(void)
  55 {
  56         platform_device_register_simple("ltq_gpio", 0,
  57                 &ltq_gpio_resource[0], 1);
  58         platform_device_register_simple("ltq_gpio", 1,
  59                 &ltq_gpio_resource[1], 1);
  60
  61         /* AR9 and VR9 have an extra gpio block */
  62         if (ltq_is_ar9() || ltq_is_vr9()) {
  63                 platform_device_register_simple("ltq_gpio", 2,
  64                         &ltq_gpio_resource[2], 1);
  65         }
  66 }
  67
  68 /* serial to parallel conversion */
  69 static struct resource ltq_stp_resource = {
  70         .name   = "stp",
  71         .start  = LTQ_STP_BASE_ADDR,
  72         .end    = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
  73         .flags  = IORESOURCE_MEM,
  74 };
  75
  76 void __init ltq_register_gpio_stp(void)
  77 {
  78         platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
  79 }
  80
  81 /* asc ports - amazon se has its own serial mapping */
  82 static struct resource ltq_ase_asc_resources[] = {
  83         {
  84                 .name   = "asc0",
  85                 .start  = LTQ_ASC1_BASE_ADDR,
  86                 .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
  87                 .flags  = IORESOURCE_MEM,
  88         },
  89         IRQ_RES(tx, LTQ_ASC_ASE_TIR),
  90         IRQ_RES(rx, LTQ_ASC_ASE_RIR),
  91         IRQ_RES(err, LTQ_ASC_ASE_EIR),
  92 };
  93
  94 void __init ltq_register_ase_asc(void)
  95 {
  96         platform_device_register_simple("ltq_asc", 0,
  97                 ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
  98 }
  99
 100 /* ethernet */
 101 static struct resource ltq_etop_resources = {
 102         .name   = "etop",
 103         .start  = LTQ_ETOP_BASE_ADDR,
 104         .end    = LTQ_ETOP_BASE_ADDR + LTQ_ETOP_SIZE - 1,
 105         .flags  = IORESOURCE_MEM,
 106 };
 107
 108 static struct platform_device ltq_etop = {
 109         .name           = "ltq_etop",
 110         .resource       = &ltq_etop_resources,
 111         .num_resources  = 1,
 112 };
 113
 114 void __init
 115 ltq_register_etop(struct ltq_eth_data *eth)
 116 {
 117         if (eth) {
 118                 ltq_etop.dev.platform_data = eth;
 119                 platform_device_register(&ltq_etop);
 120         }
 121 }