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ee1ae4d7b1
This iomux file has been constructed from the Freescale pinmux tool. It contains all pins from the tool, but the datasheet lists some configurations not present in the tool, these are not yet added. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
165 lines
4.3 KiB
C
165 lines
4.3 KiB
C
/*
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* Copyright (C) 2010 Eric Benard - eric@eukrea.com
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*
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* Based on pcm970-baseboard.c which is :
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* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <mach/hardware.h>
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#include <mach/common.h>
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#include <mach/imx-uart.h>
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#include <mach/iomux-mx51.h>
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#include <mach/audmux.h>
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#include "devices-imx51.h"
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#include "devices.h"
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static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
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/* LED */
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MX51_PAD_NANDF_D10__GPIO3_30,
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/* SWITCH */
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_MX51_PAD_NANDF_D9__GPIO3_31 | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
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PAD_CTL_PKE | PAD_CTL_SRE_FAST |
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PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
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/* UART2 */
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MX51_PAD_UART2_RXD__UART2_RXD,
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MX51_PAD_UART2_TXD__UART2_TXD,
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/* UART 3 */
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MX51_PAD_UART3_RXD__UART3_RXD,
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MX51_PAD_UART3_TXD__UART3_TXD,
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MX51_PAD_KEY_COL4__UART3_RTS,
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MX51_PAD_KEY_COL5__UART3_CTS,
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/* SD */
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MX51_PAD_SD1_CMD__SD1_CMD,
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MX51_PAD_SD1_CLK__SD1_CLK,
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MX51_PAD_SD1_DATA0__SD1_DATA0,
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MX51_PAD_SD1_DATA1__SD1_DATA1,
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MX51_PAD_SD1_DATA2__SD1_DATA2,
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MX51_PAD_SD1_DATA3__SD1_DATA3,
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};
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#define GPIO_LED1 IMX_GPIO_NR(3, 30)
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#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
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static struct gpio_led eukrea_mbimxsd_leds[] = {
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{
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.name = "led1",
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.default_trigger = "heartbeat",
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.active_low = 1,
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.gpio = GPIO_LED1,
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},
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};
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static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
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.leds = eukrea_mbimxsd_leds,
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.num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
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};
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static struct platform_device eukrea_mbimxsd_leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &eukrea_mbimxsd_led_info,
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},
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};
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static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
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{
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.gpio = GPIO_SWITCH1,
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.code = BTN_0,
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.desc = "BP1",
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.active_low = 1,
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.wakeup = 1,
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},
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};
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static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
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.buttons = eukrea_mbimxsd_gpio_buttons,
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.nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
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};
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static struct platform_device eukrea_mbimxsd_button_device = {
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.name = "gpio-keys",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &eukrea_mbimxsd_button_data,
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}
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};
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static struct platform_device *platform_devices[] __initdata = {
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&eukrea_mbimxsd_leds_gpio,
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&eukrea_mbimxsd_button_device,
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};
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static const struct imxuart_platform_data uart_pdata __initconst = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
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{
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I2C_BOARD_INFO("tlv320aic23", 0x1a),
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},
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};
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/*
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* system init for baseboard usage. Will be called by cpuimx51sd init.
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*
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* Add platform devices present on this baseboard and init
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* them from CPU side as far as required to use them later on
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*/
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void __init eukrea_mbimxsd51_baseboard_init(void)
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{
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if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
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ARRAY_SIZE(eukrea_mbimxsd_pads)))
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printk(KERN_ERR "error setting mbimxsd pads !\n");
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imx51_add_imx_uart(1, NULL);
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imx51_add_imx_uart(2, &uart_pdata);
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imx51_add_sdhci_esdhc_imx(0, NULL);
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gpio_request(GPIO_LED1, "LED1");
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gpio_direction_output(GPIO_LED1, 1);
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gpio_free(GPIO_LED1);
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gpio_request(GPIO_SWITCH1, "SWITCH1");
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gpio_direction_input(GPIO_SWITCH1);
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gpio_free(GPIO_SWITCH1);
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i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
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ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
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platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
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}
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