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-rw-r--r--arch/arm/mach-mx2/pca100.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/pca100.c b/arch/arm/mach-mx2/pca100.c
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+++ b/arch/arm/mach-mx2/pca100.c
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+/*
+ * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
+ * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/dma-mapping.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux.h>
+#include <mach/i2c.h>
+#include <asm/mach/time.h>
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
+#include <mach/spi.h>
+#endif
+#include <mach/imx-uart.h>
+#include <mach/mxc_nand.h>
+#include <mach/irqs.h>
+#include <mach/mmc.h>
+
+#include "devices.h"
+
+static int pca100_pins[] = {
+ /* UART1 */
+ PE12_PF_UART1_TXD,
+ PE13_PF_UART1_RXD,
+ PE14_PF_UART1_CTS,
+ PE15_PF_UART1_RTS,
+ /* SDHC */
+ PB4_PF_SD2_D0,
+ PB5_PF_SD2_D1,
+ PB6_PF_SD2_D2,
+ PB7_PF_SD2_D3,
+ PB8_PF_SD2_CMD,
+ PB9_PF_SD2_CLK,
+ /* FEC */
+ PD0_AIN_FEC_TXD0,
+ PD1_AIN_FEC_TXD1,
+ PD2_AIN_FEC_TXD2,
+ PD3_AIN_FEC_TXD3,
+ PD4_AOUT_FEC_RX_ER,
+ PD5_AOUT_FEC_RXD1,
+ PD6_AOUT_FEC_RXD2,
+ PD7_AOUT_FEC_RXD3,
+ PD8_AF_FEC_MDIO,
+ PD9_AIN_FEC_MDC,
+ PD10_AOUT_FEC_CRS,
+ PD11_AOUT_FEC_TX_CLK,
+ PD12_AOUT_FEC_RXD0,
+ PD13_AOUT_FEC_RX_DV,
+ PD14_AOUT_FEC_RX_CLK,
+ PD15_AOUT_FEC_COL,
+ PD16_AIN_FEC_TX_ER,
+ PF23_AIN_FEC_TX_EN,
+ /* SSI1 */
+ PC20_PF_SSI1_FS,
+ PC21_PF_SSI1_RXD,
+ PC22_PF_SSI1_TXD,
+ PC23_PF_SSI1_CLK,
+ /* onboard I2C */
+ PC5_PF_I2C2_SDA,
+ PC6_PF_I2C2_SCL,
+ /* external I2C */
+ PD17_PF_I2C_DATA,
+ PD18_PF_I2C_CLK,
+ /* SPI1 */
+ PD25_PF_CSPI1_RDY,
+ PD29_PF_CSPI1_SCLK,
+ PD30_PF_CSPI1_MISO,
+ PD31_PF_CSPI1_MOSI,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct mxc_nand_platform_data pca100_nand_board_info = {
+ .width = 1,
+ .hw_ecc = 1,
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+ &mxc_w1_master_device,
+ &mxc_fec_device,
+};
+
+static struct imxi2c_platform_data pca100_i2c_1_data = {
+ .bitrate = 100000,
+};
+
+static struct at24_platform_data board_eeprom = {
+ .byte_len = 4096,
+ .page_size = 32,
+ .flags = AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info pca100_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
+ .platform_data = &board_eeprom,
+ }, {
+ I2C_BOARD_INFO("rtc-pcf8563", 0x51),
+ .type = "pcf8563"
+ }, {
+ I2C_BOARD_INFO("lm75", 0x4a),
+ .type = "lm75"
+ }
+};
+
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
+static struct spi_eeprom at25320 = {
+ .name = "at25320an",
+ .byte_len = 4096,
+ .page_size = 32,
+ .flags = EE_ADDR2,
+};
+
+static struct spi_board_info pca100_spi_board_info[] __initdata = {
+ {
+ .modalias = "at25",
+ .max_speed_hz = 30000,
+ .bus_num = 0,
+ .chip_select = 1,
+ .platform_data = &at25320,
+ },
+};
+
+static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27};
+
+static struct spi_imx_master pca100_spi_0_data = {
+ .chipselect = pca100_spi_cs,
+ .num_chipselect = ARRAY_SIZE(pca100_spi_cs),
+};
+#endif
+
+static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
+ void *data)
+{
+ int ret;
+
+ ret = request_irq(IRQ_GPIOC(29), detect_irq,
+ IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+ "imx-mmc-detect", data);
+ if (ret)
+ printk(KERN_ERR
+ "pca100: Failed to reuest irq for sd/mmc detection\n");
+
+ return ret;
+}
+
+static void pca100_sdhc2_exit(struct device *dev, void *data)
+{
+ free_irq(IRQ_GPIOC(29), data);
+}
+
+static struct imxmmc_platform_data sdhc_pdata = {
+ .init = pca100_sdhc2_init,
+ .exit = pca100_sdhc2_exit,
+};
+
+static void __init pca100_init(void)
+{
+ int ret;
+
+ ret = mxc_gpio_setup_multiple_pins(pca100_pins,
+ ARRAY_SIZE(pca100_pins), "PCA100");
+ if (ret)
+ printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
+
+ mxc_register_device(&mxc_uart_device0, &uart_pdata);
+
+ mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);
+ mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
+
+ mxc_register_device(&mxc_nand_device, &pca100_nand_board_info);
+
+ /* only the i2c master 1 is used on this CPU card */
+ i2c_register_board_info(1, pca100_i2c_devices,
+ ARRAY_SIZE(pca100_i2c_devices));
+
+ mxc_register_device(&mxc_i2c_device1, &pca100_i2c_1_data);
+
+ mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
+ mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_OUT);
+
+ /* GPIO0_IRQ */
+ mxc_gpio_mode(GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN);
+ /* GPIO1_IRQ */
+ mxc_gpio_mode(GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN);
+ /* GPIO2_IRQ */
+ mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN);
+
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
+ spi_register_board_info(pca100_spi_board_info,
+ ARRAY_SIZE(pca100_spi_board_info));
+ mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data);
+#endif
+
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
+
+static void __init pca100_timer_init(void)
+{
+ mx27_clocks_init(26000000);
+}
+
+static struct sys_timer pca100_timer = {
+ .init = pca100_timer_init,
+};
+
+MACHINE_START(PCA100, "phyCARD-i.MX27")
+ .phys_io = AIPI_BASE_ADDR,
+ .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mx27_map_io,
+ .init_irq = mxc_init_irq,
+ .init_machine = pca100_init,
+ .timer = &pca100_timer,
+MACHINE_END
+
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