diff options
Diffstat (limited to 'arch/avr32/boards/atstk1000/atstk1004.c')
-rw-r--r-- | arch/avr32/boards/atstk1000/atstk1004.c | 147 |
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 | ||
33 | static 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 | ||
40 | static 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 | ||
62 | static struct spi_board_info spi1_board_info[] __initdata = { { | ||
63 | /* patch in custom entries here */ | ||
64 | } }; | ||
65 | #endif | ||
66 | |||
67 | #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC | ||
68 | static 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 | |||
88 | err_set_clk: | ||
89 | clk_put(pll); | ||
90 | err_pll: | ||
91 | clk_put(gclk); | ||
92 | err_gclk: | ||
93 | return; | ||
94 | } | ||
95 | #else | ||
96 | static void __init atstk1004_setup_extdac(void) | ||
97 | { | ||
98 | |||
99 | } | ||
100 | #endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */ | ||
101 | |||
102 | void __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 | |||
115 | static 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 | } | ||
147 | postcore_initcall(atstk1004_init); | ||