| /* |
| * 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" |
| |
| /* Oscillator frequencies. These are board specific */ |
| unsigned long at32_board_osc_rates[3] = { |
| [0] = 32768, /* 32.768 kHz on RTC osc */ |
| [1] = 20000000, /* 20 MHz on osc0 */ |
| [2] = 12000000, /* 12 MHz on osc1 */ |
| }; |
| |
| #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_ATSTK100X_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); |