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Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c')
-rw-r--r--arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c
new file mode 100644
index 0000000..96a24b7
--- /dev/null
+++ b/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2010 Eric Benard - eric@eukrea.com
+ *
+ * Based on pcm970-baseboard.c which is :
+ * Copyright (C) 2008 Juergen Beisert (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/types.h>
+#include <linux/init.h>
+
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <video/platform_lcd.h>
+#include <linux/backlight.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-mx51.h>
+
+#include "devices-imx51.h"
+
+static iomux_v3_cfg_t eukrea_mbimxsd51_pads[] = {
+ /* LED */
+ MX51_PAD_NANDF_D10__GPIO3_30,
+ /* SWITCH */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP |
+ PAD_CTL_PKE | PAD_CTL_SRE_FAST |
+ PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
+ /* UART2 */
+ MX51_PAD_UART2_RXD__UART2_RXD,
+ MX51_PAD_UART2_TXD__UART2_TXD,
+ /* UART 3 */
+ MX51_PAD_UART3_RXD__UART3_RXD,
+ MX51_PAD_UART3_TXD__UART3_TXD,
+ MX51_PAD_KEY_COL4__UART3_RTS,
+ MX51_PAD_KEY_COL5__UART3_CTS,
+ /* SD */
+ MX51_PAD_SD1_CMD__SD1_CMD,
+ MX51_PAD_SD1_CLK__SD1_CLK,
+ MX51_PAD_SD1_DATA0__SD1_DATA0,
+ MX51_PAD_SD1_DATA1__SD1_DATA1,
+ MX51_PAD_SD1_DATA2__SD1_DATA2,
+ MX51_PAD_SD1_DATA3__SD1_DATA3,
+ /* SD1 CD */
+ NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP |
+ PAD_CTL_PKE | PAD_CTL_SRE_FAST |
+ PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
+ /* SSI */
+ MX51_PAD_AUD3_BB_TXD__AUD3_TXD,
+ MX51_PAD_AUD3_BB_RXD__AUD3_RXD,
+ MX51_PAD_AUD3_BB_CK__AUD3_TXC,
+ MX51_PAD_AUD3_BB_FS__AUD3_TXFS,
+ /* LCD Backlight */
+ MX51_PAD_DI1_D1_CS__GPIO3_4,
+ /* LCD RST */
+ MX51_PAD_CSI1_D9__GPIO3_13,
+};
+
+#define GPIO_LED1 IMX_GPIO_NR(3, 30)
+#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
+#define GPIO_LCDRST IMX_GPIO_NR(3, 13)
+#define GPIO_LCDBL IMX_GPIO_NR(3, 4)
+
+static void eukrea_mbimxsd51_lcd_power_set(struct plat_lcd_data *pd,
+ unsigned int power)
+{
+ if (power)
+ gpio_direction_output(GPIO_LCDRST, 1);
+ else
+ gpio_direction_output(GPIO_LCDRST, 0);
+}
+
+static struct plat_lcd_data eukrea_mbimxsd51_lcd_power_data = {
+ .set_power = eukrea_mbimxsd51_lcd_power_set,
+};
+
+static struct platform_device eukrea_mbimxsd51_lcd_powerdev = {
+ .name = "platform-lcd",
+ .dev.platform_data = &eukrea_mbimxsd51_lcd_power_data,
+};
+
+static void eukrea_mbimxsd51_bl_set_intensity(int intensity)
+{
+ if (intensity)
+ gpio_direction_output(GPIO_LCDBL, 1);
+ else
+ gpio_direction_output(GPIO_LCDBL, 0);
+}
+
+static struct generic_bl_info eukrea_mbimxsd51_bl_info = {
+ .name = "eukrea_mbimxsd51-bl",
+ .max_intensity = 0xff,
+ .default_intensity = 0xff,
+ .set_bl_intensity = eukrea_mbimxsd51_bl_set_intensity,
+};
+
+static struct platform_device eukrea_mbimxsd51_bl_dev = {
+ .name = "generic-bl",
+ .id = 1,
+ .dev = {
+ .platform_data = &eukrea_mbimxsd51_bl_info,
+ },
+};
+
+static const struct gpio_led eukrea_mbimxsd51_leds[] __initconst = {
+ {
+ .name = "led1",
+ .default_trigger = "heartbeat",
+ .active_low = 1,
+ .gpio = GPIO_LED1,
+ },
+};
+
+static const struct gpio_led_platform_data
+ eukrea_mbimxsd51_led_info __initconst = {
+ .leds = eukrea_mbimxsd51_leds,
+ .num_leds = ARRAY_SIZE(eukrea_mbimxsd51_leds),
+};
+
+static struct gpio_keys_button eukrea_mbimxsd51_gpio_buttons[] = {
+ {
+ .gpio = GPIO_SWITCH1,
+ .code = BTN_0,
+ .desc = "BP1",
+ .active_low = 1,
+ .wakeup = 1,
+ },
+};
+
+static const struct gpio_keys_platform_data
+ eukrea_mbimxsd51_button_data __initconst = {
+ .buttons = eukrea_mbimxsd51_gpio_buttons,
+ .nbuttons = ARRAY_SIZE(eukrea_mbimxsd51_gpio_buttons),
+};
+
+static const struct imxuart_platform_data uart_pdata __initconst = {
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct i2c_board_info eukrea_mbimxsd51_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("tlv320aic23", 0x1a),
+ },
+};
+
+static const
+struct imx_ssi_platform_data eukrea_mbimxsd51_ssi_pdata __initconst = {
+ .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
+};
+
+static int screen_type;
+
+static int __init eukrea_mbimxsd51_screen_type(char *options)
+{
+ if (!strcmp(options, "dvi"))
+ screen_type = 1;
+ else if (!strcmp(options, "tft"))
+ screen_type = 0;
+
+ return 0;
+}
+__setup("screen_type=", eukrea_mbimxsd51_screen_type);
+
+/*
+ * system init for baseboard usage. Will be called by cpuimx51sd init.
+ *
+ * Add platform devices present on this baseboard and init
+ * them from CPU side as far as required to use them later on
+ */
+void __init eukrea_mbimxsd51_baseboard_init(void)
+{
+ if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd51_pads,
+ ARRAY_SIZE(eukrea_mbimxsd51_pads)))
+ printk(KERN_ERR "error setting mbimxsd pads !\n");
+
+ imx51_add_imx_uart(1, NULL);
+ imx51_add_imx_uart(2, &uart_pdata);
+
+ imx51_add_sdhci_esdhc_imx(0, NULL);
+
+ imx51_add_imx_ssi(0, &eukrea_mbimxsd51_ssi_pdata);
+
+ gpio_request(GPIO_LED1, "LED1");
+ gpio_direction_output(GPIO_LED1, 1);
+ gpio_free(GPIO_LED1);
+
+ gpio_request(GPIO_SWITCH1, "SWITCH1");
+ gpio_direction_input(GPIO_SWITCH1);
+ gpio_free(GPIO_SWITCH1);
+
+ gpio_request(GPIO_LCDRST, "LCDRST");
+ gpio_direction_output(GPIO_LCDRST, 0);
+ gpio_request(GPIO_LCDBL, "LCDBL");
+ gpio_direction_output(GPIO_LCDBL, 0);
+ if (!screen_type) {
+ platform_device_register(&eukrea_mbimxsd51_bl_dev);
+ platform_device_register(&eukrea_mbimxsd51_lcd_powerdev);
+ } else {
+ gpio_free(GPIO_LCDRST);
+ gpio_free(GPIO_LCDBL);
+ }
+
+ i2c_register_board_info(0, eukrea_mbimxsd51_i2c_devices,
+ ARRAY_SIZE(eukrea_mbimxsd51_i2c_devices));
+
+ gpio_led_register_device(-1, &eukrea_mbimxsd51_led_info);
+ imx_add_gpio_keys(&eukrea_mbimxsd51_button_data);
+}