Initial import

1 files changed, 211 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mx31lilly-db.c b/arch/arm/mach-imx/mx31lilly-db.c
new file mode 100644
index 000000000..649fe49ce
--- /dev/null
+++ b/arch/arm/mach-imx/mx31lilly-db.c
@@ -0,0 +1,211 @@
+/*
+ *  LILLY-1131 development board support
+ *
+ *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ *  based on code for other MX31 boards,
+ *
+ *    Copyright 2005-2007 Freescale Semiconductor
+ *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
+ *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "board-mx31lilly.h"
+#include "common.h"
+#include "devices-imx31.h"
+#include "hardware.h"
+#include "iomux-mx3.h"
+
+/*
+ * This file contains board-specific initialization routines for the
+ * LILLY-1131 development board. If you design an own baseboard for the
+ * module, use this file as base for support code.
+ */
+
+static unsigned int lilly_db_board_pins[] __initdata = {
+	MX31_PIN_CTS1__CTS1,
+	MX31_PIN_RTS1__RTS1,
+	MX31_PIN_TXD1__TXD1,
+	MX31_PIN_RXD1__RXD1,
+	MX31_PIN_CTS2__CTS2,
+	MX31_PIN_RTS2__RTS2,
+	MX31_PIN_TXD2__TXD2,
+	MX31_PIN_RXD2__RXD2,
+	MX31_PIN_CSPI3_MOSI__RXD3,
+	MX31_PIN_CSPI3_MISO__TXD3,
+	MX31_PIN_CSPI3_SCLK__RTS3,
+	MX31_PIN_CSPI3_SPI_RDY__CTS3,
+	MX31_PIN_SD1_DATA3__SD1_DATA3,
+	MX31_PIN_SD1_DATA2__SD1_DATA2,
+	MX31_PIN_SD1_DATA1__SD1_DATA1,
+	MX31_PIN_SD1_DATA0__SD1_DATA0,
+	MX31_PIN_SD1_CLK__SD1_CLK,
+	MX31_PIN_SD1_CMD__SD1_CMD,
+	MX31_PIN_LD0__LD0,
+	MX31_PIN_LD1__LD1,
+	MX31_PIN_LD2__LD2,
+	MX31_PIN_LD3__LD3,
+	MX31_PIN_LD4__LD4,
+	MX31_PIN_LD5__LD5,
+	MX31_PIN_LD6__LD6,
+	MX31_PIN_LD7__LD7,
+	MX31_PIN_LD8__LD8,
+	MX31_PIN_LD9__LD9,
+	MX31_PIN_LD10__LD10,
+	MX31_PIN_LD11__LD11,
+	MX31_PIN_LD12__LD12,
+	MX31_PIN_LD13__LD13,
+	MX31_PIN_LD14__LD14,
+	MX31_PIN_LD15__LD15,
+	MX31_PIN_LD16__LD16,
+	MX31_PIN_LD17__LD17,
+	MX31_PIN_VSYNC3__VSYNC3,
+	MX31_PIN_HSYNC__HSYNC,
+	MX31_PIN_FPSHIFT__FPSHIFT,
+	MX31_PIN_DRDY0__DRDY0,
+	MX31_PIN_CONTRAST__CONTRAST,
+};
+
+/* UART */
+static const struct imxuart_platform_data uart_pdata __initconst = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+/* MMC support */
+
+static int mxc_mmc1_get_ro(struct device *dev)
+{
+	return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
+}
+
+static int gpio_det, gpio_wp;
+
+#define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int mxc_mmc1_init(struct device *dev,
+			 irq_handler_t detect_irq, void *data)
+{
+	int ret;
+
+	gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
+	gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
+
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, MMC_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, MMC_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, MMC_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, MMC_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SD1_CMD, MMC_PAD_CFG);
+
+	ret = gpio_request(gpio_det, "MMC detect");
+	if (ret)
+		return ret;
+
+	ret = gpio_request(gpio_wp, "MMC w/p");
+	if (ret)
+		goto exit_free_det;
+
+	gpio_direction_input(gpio_det);
+	gpio_direction_input(gpio_wp);
+
+	ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)),
+			  detect_irq, IRQF_TRIGGER_FALLING,
+			  "MMC detect", data);
+	if (ret)
+		goto exit_free_wp;
+
+	return 0;
+
+exit_free_wp:
+	gpio_free(gpio_wp);
+
+exit_free_det:
+	gpio_free(gpio_det);
+
+	return ret;
+}
+
+static void mxc_mmc1_exit(struct device *dev, void *data)
+{
+	gpio_free(gpio_det);
+	gpio_free(gpio_wp);
+	free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)), data);
+}
+
+static const struct imxmmc_platform_data mmc_pdata __initconst = {
+	.get_ro	= mxc_mmc1_get_ro,
+	.init	= mxc_mmc1_init,
+	.exit	= mxc_mmc1_exit,
+};
+
+/* Framebuffer support */
+static const struct fb_videomode fb_modedb = {
+	/* 640x480 TFT panel (IPS-056T) */
+	.name		= "CRT-VGA",
+	.refresh	= 64,
+	.xres		= 640,
+	.yres		= 480,
+	.pixclock	= 30000,
+	.left_margin	= 200,
+	.right_margin	= 2,
+	.upper_margin	= 2,
+	.lower_margin	= 2,
+	.hsync_len	= 3,
+	.vsync_len	= 1,
+	.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
+	.vmode		= FB_VMODE_NONINTERLACED,
+	.flag		= 0,
+};
+
+static struct mx3fb_platform_data fb_pdata __initdata = {
+	.name		= "CRT-VGA",
+	.mode		= &fb_modedb,
+	.num_modes	= 1,
+};
+
+#define LCD_VCC_EN_GPIO	 (7)
+
+static void __init mx31lilly_init_fb(void)
+{
+	if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
+		printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
+		return;
+	}
+
+	imx31_add_ipu_core();
+	imx31_add_mx3_sdc_fb(&fb_pdata);
+	gpio_direction_output(LCD_VCC_EN_GPIO, 1);
+}
+
+void __init mx31lilly_db_init(void)
+{
+	mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
+					ARRAY_SIZE(lilly_db_board_pins),
+					"development board pins");
+	imx31_add_imx_uart0(&uart_pdata);
+	imx31_add_imx_uart1(&uart_pdata);
+	imx31_add_imx_uart2(&uart_pdata);
+	imx31_add_mxc_mmc(0, &mmc_pdata);
+	mx31lilly_init_fb();
+}