2 * ATSTK1003 daughterboard-specific init code
4 * Copyright (C) 2007 Atmel Corporation
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.
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>
18 #include <linux/spi/at73c213.h>
19 #include <linux/spi/spi.h>
21 #include <asm/setup.h>
23 #include <mach/at32ap700x.h>
24 #include <mach/board.h>
25 #include <mach/init.h>
26 #include <mach/portmux.h>
28 #include "atstk1000.h"
30 /* Oscillator frequencies. These are board specific */
31 unsigned long at32_board_osc_rates[3] = {
32 [0] = 32768, /* 32.768 kHz on RTC osc */
33 [1] = 20000000, /* 20 MHz on osc0 */
34 [2] = 12000000, /* 12 MHz on osc1 */
37 #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
38 static struct at73c213_board_info at73c213_data = {
40 .shortname = "AVR32 STK1000 external DAC",
44 #ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
45 static struct spi_board_info spi0_board_info[] __initdata = {
46 #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
49 .modalias = "at73c213",
50 .max_speed_hz = 200000,
53 .platform_data = &at73c213_data,
57 * We can control the LTV350QV LCD panel, but it isn't much
58 * point since we don't have an LCD controller...
63 #ifdef CONFIG_BOARD_ATSTK100X_SPI1
64 static struct spi_board_info spi1_board_info[] __initdata = { {
65 /* patch in custom entries here */
69 #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
70 static struct mci_platform_data __initdata mci0_data = {
73 .detect_pin = -ENODEV,
79 #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
80 static void __init atstk1003_setup_extdac(void)
85 gclk = clk_get(NULL, "gclk0");
88 pll = clk_get(NULL, "pll0");
92 if (clk_set_parent(gclk, pll)) {
93 pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
97 at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
98 at73c213_data.dac_clk = gclk;
108 static void __init atstk1003_setup_extdac(void)
112 #endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */
114 void __init setup_board(void)
116 #ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
117 at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
119 at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
121 /* USART 2/unused: expansion connector */
122 at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
124 at32_setup_serial_console(0);
127 static int __init atstk1003_init(void)
130 * ATSTK1000 uses 32-bit SDRAM interface. Reserve the
131 * SDRAM-specific pins so that nobody messes with them.
133 at32_reserve_pin(GPIO_PIN_PE(0)); /* DATA[16] */
134 at32_reserve_pin(GPIO_PIN_PE(1)); /* DATA[17] */
135 at32_reserve_pin(GPIO_PIN_PE(2)); /* DATA[18] */
136 at32_reserve_pin(GPIO_PIN_PE(3)); /* DATA[19] */
137 at32_reserve_pin(GPIO_PIN_PE(4)); /* DATA[20] */
138 at32_reserve_pin(GPIO_PIN_PE(5)); /* DATA[21] */
139 at32_reserve_pin(GPIO_PIN_PE(6)); /* DATA[22] */
140 at32_reserve_pin(GPIO_PIN_PE(7)); /* DATA[23] */
141 at32_reserve_pin(GPIO_PIN_PE(8)); /* DATA[24] */
142 at32_reserve_pin(GPIO_PIN_PE(9)); /* DATA[25] */
143 at32_reserve_pin(GPIO_PIN_PE(10)); /* DATA[26] */
144 at32_reserve_pin(GPIO_PIN_PE(11)); /* DATA[27] */
145 at32_reserve_pin(GPIO_PIN_PE(12)); /* DATA[28] */
146 at32_reserve_pin(GPIO_PIN_PE(13)); /* DATA[29] */
147 at32_reserve_pin(GPIO_PIN_PE(14)); /* DATA[30] */
148 at32_reserve_pin(GPIO_PIN_PE(15)); /* DATA[31] */
149 at32_reserve_pin(GPIO_PIN_PE(26)); /* SDCS */
151 at32_add_system_devices();
153 #ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
154 at32_add_device_usart(1);
156 at32_add_device_usart(0);
158 at32_add_device_usart(2);
160 #ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
161 at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
163 #ifdef CONFIG_BOARD_ATSTK100X_SPI1
164 at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
166 #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
167 at32_add_device_mci(0, &mci0_data);
169 at32_add_device_usba(0, NULL);
170 #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
171 at32_add_device_ssc(0, ATMEL_SSC_TX);
174 atstk1000_setup_j2_leds();
175 atstk1003_setup_extdac();
179 postcore_initcall(atstk1003_init);