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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-imx/mx31lilly-db.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-imx/mx31lilly-db.c')
-rw-r--r--arch/arm/mach-imx/mx31lilly-db.c216
1 files changed, 216 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 00000000000..7d26f766a4e
--- /dev/null
+++ b/arch/arm/mach-imx/mx31lilly-db.c
@@ -0,0 +1,216 @@
+/*
+ * 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 <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-mx3.h>
+#include <mach/board-mx31lilly.h>
+
+#include "devices-imx31.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(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), detect_irq,
+ IRQF_DISABLED | 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(IOMUX_TO_IRQ(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 ipu_platform_data ipu_data __initconst = {
+ .irq_base = MXC_IPU_IRQ_START,
+};
+
+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(&ipu_data);
+ 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();
+}