projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 78693e47 HS |
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> | |
| c42aa775 | 20 | #include <linux/atmel-mci.h> |
| 78693e47 HS |
21 | |
| 22 | #include <video/atmel_lcdc.h> | |
| 23 | ||
| 24 | #include <asm/setup.h> | |
| 25 | ||
| 3663b736 HS |
26 | #include <mach/at32ap700x.h> |
| 27 | #include <mach/board.h> | |
| 28 | #include <mach/init.h> | |
| 29 | #include <mach/portmux.h> | |
| 78693e47 HS |
30 | |
| 31 | #include "atstk1000.h" | |
| 32 | ||
| 60ed7951 A |
33 | /* Oscillator frequencies. These are board specific */ |
| 34 | unsigned long at32_board_osc_rates[3] = { | |
| 35 | [0] = 32768, /* 32.768 kHz on RTC osc */ | |
| 36 | [1] = 20000000, /* 20 MHz on osc0 */ | |
| 37 | [2] = 12000000, /* 12 MHz on osc1 */ | |
| 38 | }; | |
| 39 | ||
| 78693e47 HS |
40 | #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC |
| 41 | static struct at73c213_board_info at73c213_data = { | |
| 42 | .ssc_id = 0, | |
| 43 | .shortname = "AVR32 STK1000 external DAC", | |
| 44 | }; | |
| 45 | #endif | |
| 46 | ||
| 47 | #ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM | |
| 48 | static struct spi_board_info spi0_board_info[] __initdata = { | |
| 49 | #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC | |
| 50 | { | |
| 51 | /* AT73C213 */ | |
| 52 | .modalias = "at73c213", | |
| 53 | .max_speed_hz = 200000, | |
| 54 | .chip_select = 0, | |
| 55 | .mode = SPI_MODE_1, | |
| 56 | .platform_data = &at73c213_data, | |
| 57 | }, | |
| 58 | #endif | |
| 59 | { | |
| 60 | /* QVGA display */ | |
| 61 | .modalias = "ltv350qv", | |
| 62 | .max_speed_hz = 16000000, | |
| 63 | .chip_select = 1, | |
| 64 | .mode = SPI_MODE_3, | |
| 65 | }, | |
| 66 | }; | |
| 67 | #endif | |
| 68 | ||
| 69 | #ifdef CONFIG_BOARD_ATSTK100X_SPI1 | |
| 70 | static struct spi_board_info spi1_board_info[] __initdata = { { | |
| 71 | /* patch in custom entries here */ | |
| 72 | } }; | |
| 73 | #endif | |
| 74 | ||
| 6b918657 HS |
75 | #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM |
| 76 | static struct mci_platform_data __initdata mci0_data = { | |
| 77 | .slot[0] = { | |
| 78 | .bus_width = 4, | |
| 79 | .detect_pin = -ENODEV, | |
| 80 | .wp_pin = -ENODEV, | |
| 81 | }, | |
| 82 | }; | |
| 83 | #endif | |
| 84 | ||
| 78693e47 HS |
85 | #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC |
| 86 | static void __init atstk1004_setup_extdac(void) | |
| 87 | { | |
| 88 | struct clk *gclk; | |
| 89 | struct clk *pll; | |
| 90 | ||
| 91 | gclk = clk_get(NULL, "gclk0"); | |
| 92 | if (IS_ERR(gclk)) | |
| 93 | goto err_gclk; | |
| 94 | pll = clk_get(NULL, "pll0"); | |
| 95 | if (IS_ERR(pll)) | |
| 96 | goto err_pll; | |
| 97 | ||
| 98 | if (clk_set_parent(gclk, pll)) { | |
| 99 | pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n"); | |
| 100 | goto err_set_clk; | |
| 101 | } | |
| 102 | ||
| caf18f19 | 103 | at32_select_periph(GPIO_PIOA_BASE, (1 << 30), GPIO_PERIPH_A, 0); |
| 78693e47 HS |
104 | at73c213_data.dac_clk = gclk; |
| 105 | ||
| 106 | err_set_clk: | |
| 107 | clk_put(pll); | |
| 108 | err_pll: | |
| 109 | clk_put(gclk); | |
| 110 | err_gclk: | |
| 111 | return; | |
| 112 | } | |
| 113 | #else | |
| 114 | static void __init atstk1004_setup_extdac(void) | |
| 115 | { | |
| 116 | ||
| 117 | } | |
| 118 | #endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */ | |
| 119 | ||
| 120 | void __init setup_board(void) | |
| 121 | { | |
| 122 | #ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM | |
| bf4861cf | 123 | at32_map_usart(0, 1, 0); /* USART 0/B: /dev/ttyS1, IRDA */ |
| 78693e47 | 124 | #else |
| bf4861cf | 125 | at32_map_usart(1, 0, 0); /* USART 1/A: /dev/ttyS0, DB9 */ |
| 78693e47 HS |
126 | #endif |
| 127 | /* USART 2/unused: expansion connector */ | |
| bf4861cf | 128 | at32_map_usart(3, 2, 0); /* USART 3/C: /dev/ttyS2, DB9 */ |
| 78693e47 HS |
129 | |
| 130 | at32_setup_serial_console(0); | |
| 131 | } | |
| 132 | ||
| 133 | static int __init atstk1004_init(void) | |
| 134 | { | |
| 78693e47 HS |
135 | #ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM |
| 136 | at32_add_device_usart(1); | |
| 137 | #else | |
| 138 | at32_add_device_usart(0); | |
| 139 | #endif | |
| 140 | at32_add_device_usart(2); | |
| 141 | ||
| 142 | #ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM | |
| 143 | at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); | |
| 144 | #endif | |
| 145 | #ifdef CONFIG_BOARD_ATSTK100X_SPI1 | |
| 146 | at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info)); | |
| 147 | #endif | |
| f059267e | 148 | #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM |
| 6b918657 | 149 | at32_add_device_mci(0, &mci0_data); |
| 78693e47 HS |
150 | #endif |
| 151 | at32_add_device_lcdc(0, &atstk1000_lcdc_data, | |
| 70664124 JM |
152 | fbmem_start, fbmem_size, |
| 153 | ATMEL_LCDC_PRI_24BIT | ATMEL_LCDC_PRI_CONTROL); | |
| 78693e47 HS |
154 | at32_add_device_usba(0, NULL); |
| 155 | #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM | |
| 156 | at32_add_device_ssc(0, ATMEL_SSC_TX); | |
| 157 | #endif | |
| 158 | ||
| 159 | atstk1000_setup_j2_leds(); | |
| 160 | atstk1004_setup_extdac(); | |
| 161 | ||
| 162 | return 0; | |
| 163 | } | |
| 164 | postcore_initcall(atstk1004_init); |