blob: 949c13ec51ed30f7dcc2175505f5f61bf4794ec4 [file] [log] [blame]
Haavard Skinnemoen78693e42007-10-29 17:03:26 +01001/*
2 * ATSTK1003 daughterboard-specific init code
3 *
4 * Copyright (C) 2007 Atmel Corporation
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/clk.h>
11#include <linux/err.h>
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/platform_device.h>
15#include <linux/string.h>
16#include <linux/types.h>
17
18#include <linux/spi/at73c213.h>
19#include <linux/spi/spi.h>
20
21#include <video/atmel_lcdc.h>
22
23#include <asm/setup.h>
24
Haavard Skinnemoen3663b732008-08-05 13:57:38 +020025#include <mach/at32ap700x.h>
26#include <mach/board.h>
27#include <mach/init.h>
28#include <mach/portmux.h>
Haavard Skinnemoen78693e42007-10-29 17:03:26 +010029
30#include "atstk1000.h"
31
Alex60ed7952008-03-17 14:55:06 +010032/* Oscillator frequencies. These are board specific */
33unsigned long at32_board_osc_rates[3] = {
34 [0] = 32768, /* 32.768 kHz on RTC osc */
35 [1] = 20000000, /* 20 MHz on osc0 */
36 [2] = 12000000, /* 12 MHz on osc1 */
37};
38
Haavard Skinnemoen78693e42007-10-29 17:03:26 +010039#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
40static struct at73c213_board_info at73c213_data = {
41 .ssc_id = 0,
42 .shortname = "AVR32 STK1000 external DAC",
43};
44#endif
45
46#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
47static struct spi_board_info spi0_board_info[] __initdata = {
48#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
49 {
50 /* AT73C213 */
51 .modalias = "at73c213",
52 .max_speed_hz = 200000,
53 .chip_select = 0,
54 .mode = SPI_MODE_1,
55 .platform_data = &at73c213_data,
56 },
57#endif
58 {
59 /* QVGA display */
60 .modalias = "ltv350qv",
61 .max_speed_hz = 16000000,
62 .chip_select = 1,
63 .mode = SPI_MODE_3,
64 },
65};
66#endif
67
68#ifdef CONFIG_BOARD_ATSTK100X_SPI1
69static struct spi_board_info spi1_board_info[] __initdata = { {
70 /* patch in custom entries here */
71} };
72#endif
73
Haavard Skinnemoen6b918652008-08-07 14:08:49 +020074#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
75static struct mci_platform_data __initdata mci0_data = {
76 .slot[0] = {
77 .bus_width = 4,
78 .detect_pin = -ENODEV,
79 .wp_pin = -ENODEV,
80 },
81};
82#endif
83
Haavard Skinnemoen78693e42007-10-29 17:03:26 +010084#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
85static void __init atstk1004_setup_extdac(void)
86{
87 struct clk *gclk;
88 struct clk *pll;
89
90 gclk = clk_get(NULL, "gclk0");
91 if (IS_ERR(gclk))
92 goto err_gclk;
93 pll = clk_get(NULL, "pll0");
94 if (IS_ERR(pll))
95 goto err_pll;
96
97 if (clk_set_parent(gclk, pll)) {
98 pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
99 goto err_set_clk;
100 }
101
102 at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
103 at73c213_data.dac_clk = gclk;
104
105err_set_clk:
106 clk_put(pll);
107err_pll:
108 clk_put(gclk);
109err_gclk:
110 return;
111}
112#else
113static void __init atstk1004_setup_extdac(void)
114{
115
116}
117#endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */
118
119void __init setup_board(void)
120{
121#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
122 at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
123#else
124 at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
125#endif
126 /* USART 2/unused: expansion connector */
127 at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
128
129 at32_setup_serial_console(0);
130}
131
132static int __init atstk1004_init(void)
133{
134 at32_add_system_devices();
135
136#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
137 at32_add_device_usart(1);
138#else
139 at32_add_device_usart(0);
140#endif
141 at32_add_device_usart(2);
142
143#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
144 at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
145#endif
146#ifdef CONFIG_BOARD_ATSTK100X_SPI1
147 at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
148#endif
Haavard Skinnemoenf0592672008-02-13 14:29:30 +0100149#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
Haavard Skinnemoen6b918652008-08-07 14:08:49 +0200150 at32_add_device_mci(0, &mci0_data);
Haavard Skinnemoen78693e42007-10-29 17:03:26 +0100151#endif
152 at32_add_device_lcdc(0, &atstk1000_lcdc_data,
Julien May70664122008-08-04 14:27:38 +0200153 fbmem_start, fbmem_size,
154 ATMEL_LCDC_PRI_24BIT | ATMEL_LCDC_PRI_CONTROL);
Haavard Skinnemoen78693e42007-10-29 17:03:26 +0100155 at32_add_device_usba(0, NULL);
156#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
157 at32_add_device_ssc(0, ATMEL_SSC_TX);
158#endif
159
160 atstk1000_setup_j2_leds();
161 atstk1004_setup_extdac();
162
163 return 0;
164}
165postcore_initcall(atstk1004_init);