ARM: config: tegra3: enable CONFIG_REGULATOR_USERSPACE_CONSUMER
[linux-2.6.git] / arch / arm / mach-gemini / devices.c
1 /*
2  * Common devices definition for Gemini
3  *
4  * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/io.h>
13 #include <linux/platform_device.h>
14 #include <linux/serial_8250.h>
15 #include <linux/mtd/physmap.h>
16
17 #include <mach/irqs.h>
18 #include <mach/hardware.h>
19 #include <mach/global_reg.h>
20
21 static struct plat_serial8250_port serial_platform_data[] = {
22         {
23                 .membase        = (void *)IO_ADDRESS(GEMINI_UART_BASE),
24                 .mapbase        = GEMINI_UART_BASE,
25                 .irq            = IRQ_UART,
26                 .uartclk        = UART_CLK,
27                 .regshift       = 2,
28                 .iotype         = UPIO_MEM,
29                 .type           = PORT_16550A,
30                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_FIXED_TYPE,
31         },
32         {},
33 };
34
35 static struct platform_device serial_device = {
36         .name   = "serial8250",
37         .id     = PLAT8250_DEV_PLATFORM,
38         .dev    = {
39                 .platform_data = serial_platform_data,
40         },
41 };
42
43 int platform_register_uart(void)
44 {
45         return platform_device_register(&serial_device);
46 }
47
48 static struct resource flash_resource = {
49         .start  = GEMINI_FLASH_BASE,
50         .flags  = IORESOURCE_MEM,
51 };
52
53 static struct physmap_flash_data pflash_platform_data = {};
54
55 static struct platform_device pflash_device = {
56         .name   = "physmap-flash",
57         .id     = 0,
58         .dev    = {
59                 .platform_data = &pflash_platform_data,
60         },
61         .resource = &flash_resource,
62         .num_resources = 1,
63 };
64
65 int platform_register_pflash(unsigned int size, struct mtd_partition *parts,
66                              unsigned int nr_parts)
67 {
68         unsigned int reg;
69
70         reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_STATUS);
71
72         if ((reg & FLASH_TYPE_MASK) != FLASH_TYPE_PARALLEL)
73                 return -ENXIO;
74
75         if (reg & FLASH_WIDTH_16BIT)
76                 pflash_platform_data.width = 2;
77         else
78                 pflash_platform_data.width = 1;
79
80         /* enable parallel flash pins and disable others */
81         reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
82         reg &= ~PFLASH_PADS_DISABLE;
83         reg |= SFLASH_PADS_DISABLE | NAND_PADS_DISABLE;
84         __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
85
86         flash_resource.end = flash_resource.start + size - 1;
87
88         pflash_platform_data.parts = parts;
89         pflash_platform_data.nr_parts = nr_parts;
90
91         return platform_device_register(&pflash_device);
92 }
93
94 static struct resource gemini_rtc_resources[] = {
95         [0] = {
96                 .start  = GEMINI_RTC_BASE,
97                 .end    = GEMINI_RTC_BASE + 0x24,
98                 .flags  = IORESOURCE_MEM,
99         },
100         [1] = {
101                 .start  = IRQ_RTC,
102                 .end    = IRQ_RTC,
103                 .flags  = IORESOURCE_IRQ,
104         },
105 };
106
107 static struct platform_device gemini_rtc_device = {
108         .name           = "rtc-gemini",
109         .id             = 0,
110         .num_resources  = ARRAY_SIZE(gemini_rtc_resources),
111         .resource       = gemini_rtc_resources,
112 };
113
114 int __init platform_register_rtc(void)
115 {
116         return platform_device_register(&gemini_rtc_device);
117 }
118