diff options
author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-10-29 17:03:26 +0100 |
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committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2008-01-25 08:31:42 +0100 |
commit | 78693e47a285dbfafabc85a42797660e4fe2967b (patch) | |
tree | 9de9a4e63f059b1d91d748660f3935c5581abe4e /arch/avr32/boards/atstk1000/atstk1004.c | |
parent | 64d81052671bc2e66efd46251883f5e8e3043db9 (diff) |
[AVR32] Add support for ATSTK1003 and ATSTK1004
ATSTK1003 and ATSTK1004 are CPU daughterboards for ATSTK1000 featuring
the AT32AP7001 and AT32AP7002 CPUs, respectively.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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 00000000000..5a77030e07a --- /dev/null +++ b/arch/avr32/boards/atstk1000/atstk1004.c @@ -0,0 +1,147 @@ +/* + * ATSTK1003 daughterboard-specific init code + * + * Copyright (C) 2007 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/string.h> +#include <linux/types.h> + +#include <linux/spi/at73c213.h> +#include <linux/spi/spi.h> + +#include <video/atmel_lcdc.h> + +#include <asm/setup.h> + +#include <asm/arch/at32ap700x.h> +#include <asm/arch/board.h> +#include <asm/arch/init.h> +#include <asm/arch/portmux.h> + +#include "atstk1000.h" + +#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC +static struct at73c213_board_info at73c213_data = { + .ssc_id = 0, + .shortname = "AVR32 STK1000 external DAC", +}; +#endif + +#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM +static struct spi_board_info spi0_board_info[] __initdata = { +#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC + { + /* AT73C213 */ + .modalias = "at73c213", + .max_speed_hz = 200000, + .chip_select = 0, + .mode = SPI_MODE_1, + .platform_data = &at73c213_data, + }, +#endif + { + /* QVGA display */ + .modalias = "ltv350qv", + .max_speed_hz = 16000000, + .chip_select = 1, + .mode = SPI_MODE_3, + }, +}; +#endif + +#ifdef CONFIG_BOARD_ATSTK100X_SPI1 +static struct spi_board_info spi1_board_info[] __initdata = { { + /* patch in custom entries here */ +} }; +#endif + +#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC +static void __init atstk1004_setup_extdac(void) +{ + struct clk *gclk; + struct clk *pll; + + gclk = clk_get(NULL, "gclk0"); + if (IS_ERR(gclk)) + goto err_gclk; + pll = clk_get(NULL, "pll0"); + if (IS_ERR(pll)) + goto err_pll; + + if (clk_set_parent(gclk, pll)) { + pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n"); + goto err_set_clk; + } + + at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0); + at73c213_data.dac_clk = gclk; + +err_set_clk: + clk_put(pll); +err_pll: + clk_put(gclk); +err_gclk: + return; +} +#else +static void __init atstk1004_setup_extdac(void) +{ + +} +#endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */ + +void __init setup_board(void) +{ +#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM + at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */ +#else + at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ +#endif + /* USART 2/unused: expansion connector */ + at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */ + + at32_setup_serial_console(0); +} + +static int __init atstk1004_init(void) +{ + at32_add_system_devices(); + +#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM + at32_add_device_usart(1); +#else + at32_add_device_usart(0); +#endif + at32_add_device_usart(2); + +#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM + at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); +#endif +#ifdef CONFIG_BOARD_ATSTK100X_SPI1 + at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info)); +#endif +#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM + at32_add_device_mci(0); +#endif + at32_add_device_lcdc(0, &atstk1000_lcdc_data, + fbmem_start, fbmem_size); + at32_add_device_usba(0, NULL); +#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM + at32_add_device_ssc(0, ATMEL_SSC_TX); +#endif + + atstk1000_setup_j2_leds(); + atstk1004_setup_extdac(); + + return 0; +} +postcore_initcall(atstk1004_init); |