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/export.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/time.h>
  20 #include <linux/io.h>
  21 #include <linux/gpio.h>
  22
  23 #include <asm/bootinfo.h>
  24 #include <asm/irq.h>
  25
  26 #include <lantiq_soc.h>
  27 #include <lantiq_irq.h>
  28 #include <lantiq_platform.h>
  29
  30 #include "devices.h"
  31
  32 /* gpio */
  33 static struct resource ltq_gpio_resource[] = {
  34         {
  35                 .name   = "gpio0",
  36                 .start  = LTQ_GPIO0_BASE_ADDR,
  37                 .end    = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
  38                 .flags  = IORESOURCE_MEM,
  39         }, {
  40                 .name   = "gpio1",
  41                 .start  = LTQ_GPIO1_BASE_ADDR,
  42                 .end    = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
  43                 .flags  = IORESOURCE_MEM,
  44         }, {
  45                 .name   = "gpio2",
  46                 .start  = LTQ_GPIO2_BASE_ADDR,
  47                 .end    = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
  48                 .flags  = IORESOURCE_MEM,
  49         }
  50 };
  51
  52 void __init ltq_register_gpio(void)
  53 {
  54         platform_device_register_simple("ltq_gpio", 0,
  55                 &ltq_gpio_resource[0], 1);
  56         platform_device_register_simple("ltq_gpio", 1,
  57                 &ltq_gpio_resource[1], 1);
  58
  59         /* AR9 and VR9 have an extra gpio block */
  60         if (ltq_is_ar9() || ltq_is_vr9()) {
  61                 platform_device_register_simple("ltq_gpio", 2,
  62                         &ltq_gpio_resource[2], 1);
  63         }
  64 }
  65
  66 /* serial to parallel conversion */
  67 static struct resource ltq_stp_resource = {
  68         .name   = "stp",
  69         .start  = LTQ_STP_BASE_ADDR,
  70         .end    = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
  71         .flags  = IORESOURCE_MEM,
  72 };
  73
  74 void __init ltq_register_gpio_stp(void)
  75 {
  76         platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
  77 }
  78
  79 /* asc ports - amazon se has its own serial mapping */
  80 static struct resource ltq_ase_asc_resources[] = {
  81         {
  82                 .name   = "asc0",
  83                 .start  = LTQ_ASC1_BASE_ADDR,
  84                 .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
  85                 .flags  = IORESOURCE_MEM,
  86         },
  87         IRQ_RES(tx, LTQ_ASC_ASE_TIR),
  88         IRQ_RES(rx, LTQ_ASC_ASE_RIR),
  89         IRQ_RES(err, LTQ_ASC_ASE_EIR),
  90 };
  91
  92 void __init ltq_register_ase_asc(void)
  93 {
  94         platform_device_register_simple("ltq_asc", 0,
  95                 ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
  96 }
  97
  98 /* ethernet */
  99 static struct resource ltq_etop_resources = {
 100         .name   = "etop",
 101         .start  = LTQ_ETOP_BASE_ADDR,
 102         .end    = LTQ_ETOP_BASE_ADDR + LTQ_ETOP_SIZE - 1,
 103         .flags  = IORESOURCE_MEM,
 104 };
 105
 106 static struct platform_device ltq_etop = {
 107         .name           = "ltq_etop",
 108         .resource       = &ltq_etop_resources,
 109         .num_resources  = 1,
 110 };
 111
 112 void __init
 113 ltq_register_etop(struct ltq_eth_data *eth)
 114 {
 115         if (eth) {
 116                 ltq_etop.dev.platform_data = eth;
 117                 platform_device_register(&ltq_etop);
 118         }
 119 }