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-rw-r--r--arch/mips/lantiq/xway/devices.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
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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 */
35static 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
54void __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 */
69static 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
76void __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 */
82static 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
94void __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 */
101static 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
108static struct platform_device ltq_etop = {
109 .name = "ltq_etop",
110 .resource = &ltq_etop_resources,
111 .num_resources = 1,
112};
113
114void __init
115ltq_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}