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-rw-r--r--arch/avr32/boards/atstk1000/atstk1004.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
new file mode 100644
index 000000000000..5a77030e07a0
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@@ -0,0 +1,147 @@
1/*
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
25#include <asm/arch/at32ap700x.h>
26#include <asm/arch/board.h>
27#include <asm/arch/init.h>
28#include <asm/arch/portmux.h>
29
30#include "atstk1000.h"
31
32#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
33static struct at73c213_board_info at73c213_data = {
34 .ssc_id = 0,
35 .shortname = "AVR32 STK1000 external DAC",
36};
37#endif
38
39#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
40static struct spi_board_info spi0_board_info[] __initdata = {
41#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
42 {
43 /* AT73C213 */
44 .modalias = "at73c213",
45 .max_speed_hz = 200000,
46 .chip_select = 0,
47 .mode = SPI_MODE_1,
48 .platform_data = &at73c213_data,
49 },
50#endif
51 {
52 /* QVGA display */
53 .modalias = "ltv350qv",
54 .max_speed_hz = 16000000,
55 .chip_select = 1,
56 .mode = SPI_MODE_3,
57 },
58};
59#endif
60
61#ifdef CONFIG_BOARD_ATSTK100X_SPI1
62static struct spi_board_info spi1_board_info[] __initdata = { {
63 /* patch in custom entries here */
64} };
65#endif
66
67#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
68static void __init atstk1004_setup_extdac(void)
69{
70 struct clk *gclk;
71 struct clk *pll;
72
73 gclk = clk_get(NULL, "gclk0");
74 if (IS_ERR(gclk))
75 goto err_gclk;
76 pll = clk_get(NULL, "pll0");
77 if (IS_ERR(pll))
78 goto err_pll;
79
80 if (clk_set_parent(gclk, pll)) {
81 pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
82 goto err_set_clk;
83 }
84
85 at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
86 at73c213_data.dac_clk = gclk;
87
88err_set_clk:
89 clk_put(pll);
90err_pll:
91 clk_put(gclk);
92err_gclk:
93 return;
94}
95#else
96static void __init atstk1004_setup_extdac(void)
97{
98
99}
100#endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */
101
102void __init setup_board(void)
103{
104#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
105 at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
106#else
107 at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
108#endif
109 /* USART 2/unused: expansion connector */
110 at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
111
112 at32_setup_serial_console(0);
113}
114
115static int __init atstk1004_init(void)
116{
117 at32_add_system_devices();
118
119#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
120 at32_add_device_usart(1);
121#else
122 at32_add_device_usart(0);
123#endif
124 at32_add_device_usart(2);
125
126#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
127 at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
128#endif
129#ifdef CONFIG_BOARD_ATSTK100X_SPI1
130 at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
131#endif
132#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
133 at32_add_device_mci(0);
134#endif
135 at32_add_device_lcdc(0, &atstk1000_lcdc_data,
136 fbmem_start, fbmem_size);
137 at32_add_device_usba(0, NULL);
138#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
139 at32_add_device_ssc(0, ATMEL_SSC_TX);
140#endif
141
142 atstk1000_setup_j2_leds();
143 atstk1004_setup_extdac();
144
145 return 0;
146}
147postcore_initcall(atstk1004_init);