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8d9fb9bb89
On Thu, May 28, 2009 at 08:42:23PM +0200, Sascha Hauer wrote: > > > Mail-Followup-To: Daniel Mack <daniel@caiaq.de>, > > > linux-arm-kernel@lists.arm.linux.org.uk > > > > ... which causes my mutt to only reply to the list. > > Ah, ok. /me hacking in muttrc... Does it work now? Yep :) > > mxc_register_device(&mxc_uart_device0, &uart_pdata); > > + mxc_register_device(&mxc_uart_device1, &uart_pdata); > > + mxc_register_device(&mxc_uart_device2, &uart_pdata); > > What about the RXD3/TXD3 pins? You're right - I got the IOMUX tables wrong and thought UART0 pins are selected unconditionally. But as it turns out TXD1/RXD1 is for UART0 (mxc_uart_device0), TXD2/RXD2 for UART1 (mxc_uart_device1) etc. Below is a new patch. Thanks, Daniel From e7eb5fa0fed09d667a4b2f168fe466e2cc645abb Mon Sep 17 00:00:00 2001 From: Daniel Mack <daniel@caiaq.de> Date: Wed, 27 May 2009 12:22:51 +0200 Subject: [PATCH] ARM: MX3: add two more UARTs to lilly-1131-db Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
217 lines
5.2 KiB
C
217 lines
5.2 KiB
C
/*
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* LILLY-1131 development board support
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*
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* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
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*
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* based on code for other MX31 boards,
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*
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* Copyright 2005-2007 Freescale Semiconductor
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* Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
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* Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/kernel.h>
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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/platform_device.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/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-mx3.h>
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#include <mach/board-mx31lilly.h>
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#include <mach/mmc.h>
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#include <mach/mx3fb.h>
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#include <mach/ipu.h>
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#include "devices.h"
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/*
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* This file contains board-specific initialization routines for the
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* LILLY-1131 development board. If you design an own baseboard for the
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* module, use this file as base for support code.
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*/
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static unsigned int lilly_db_board_pins[] __initdata = {
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MX31_PIN_CTS1__CTS1,
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MX31_PIN_RTS1__RTS1,
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MX31_PIN_TXD1__TXD1,
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MX31_PIN_RXD1__RXD1,
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MX31_PIN_CTS2__CTS2,
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MX31_PIN_RTS2__RTS2,
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MX31_PIN_TXD2__TXD2,
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MX31_PIN_RXD2__RXD2,
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MX31_PIN_CSPI3_MOSI__RXD3,
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MX31_PIN_CSPI3_MISO__TXD3,
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MX31_PIN_CSPI3_SCLK__RTS3,
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MX31_PIN_CSPI3_SPI_RDY__CTS3,
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MX31_PIN_SD1_DATA3__SD1_DATA3,
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MX31_PIN_SD1_DATA2__SD1_DATA2,
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MX31_PIN_SD1_DATA1__SD1_DATA1,
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MX31_PIN_SD1_DATA0__SD1_DATA0,
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MX31_PIN_SD1_CLK__SD1_CLK,
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MX31_PIN_SD1_CMD__SD1_CMD,
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MX31_PIN_LD0__LD0,
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MX31_PIN_LD1__LD1,
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MX31_PIN_LD2__LD2,
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MX31_PIN_LD3__LD3,
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MX31_PIN_LD4__LD4,
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MX31_PIN_LD5__LD5,
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MX31_PIN_LD6__LD6,
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MX31_PIN_LD7__LD7,
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MX31_PIN_LD8__LD8,
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MX31_PIN_LD9__LD9,
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MX31_PIN_LD10__LD10,
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MX31_PIN_LD11__LD11,
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MX31_PIN_LD12__LD12,
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MX31_PIN_LD13__LD13,
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MX31_PIN_LD14__LD14,
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MX31_PIN_LD15__LD15,
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MX31_PIN_LD16__LD16,
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MX31_PIN_LD17__LD17,
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MX31_PIN_VSYNC3__VSYNC3,
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MX31_PIN_HSYNC__HSYNC,
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MX31_PIN_FPSHIFT__FPSHIFT,
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MX31_PIN_DRDY0__DRDY0,
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MX31_PIN_CONTRAST__CONTRAST,
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};
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/* UART */
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static struct imxuart_platform_data uart_pdata __initdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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/* MMC support */
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static int mxc_mmc1_get_ro(struct device *dev)
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{
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return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
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}
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static int gpio_det, gpio_wp;
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static int mxc_mmc1_init(struct device *dev,
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irq_handler_t detect_irq, void *data)
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{
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int ret;
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gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
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gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
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ret = gpio_request(gpio_det, "MMC detect");
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if (ret)
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return ret;
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ret = gpio_request(gpio_wp, "MMC w/p");
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if (ret)
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goto exit_free_det;
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gpio_direction_input(gpio_det);
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gpio_direction_input(gpio_wp);
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ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), detect_irq,
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IRQF_DISABLED | IRQF_TRIGGER_FALLING,
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"MMC detect", data);
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if (ret)
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goto exit_free_wp;
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return 0;
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exit_free_wp:
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gpio_free(gpio_wp);
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exit_free_det:
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gpio_free(gpio_det);
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return ret;
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}
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static void mxc_mmc1_exit(struct device *dev, void *data)
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{
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gpio_free(gpio_det);
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gpio_free(gpio_wp);
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free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data);
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}
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static struct imxmmc_platform_data mmc_pdata = {
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.get_ro = mxc_mmc1_get_ro,
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.init = mxc_mmc1_init,
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.exit = mxc_mmc1_exit,
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};
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/* Framebuffer support */
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static struct ipu_platform_data ipu_data __initdata = {
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.irq_base = MXC_IPU_IRQ_START,
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};
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static const struct fb_videomode fb_modedb = {
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/* 640x480 TFT panel (IPS-056T) */
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.name = "CRT-VGA",
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.refresh = 64,
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.xres = 640,
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.yres = 480,
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.pixclock = 30000,
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.left_margin = 200,
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.right_margin = 2,
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.upper_margin = 2,
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.lower_margin = 2,
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.hsync_len = 3,
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.vsync_len = 1,
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.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
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.vmode = FB_VMODE_NONINTERLACED,
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.flag = 0,
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};
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static struct mx3fb_platform_data fb_pdata __initdata = {
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.dma_dev = &mx3_ipu.dev,
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.name = "CRT-VGA",
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.mode = &fb_modedb,
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.num_modes = 1,
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};
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#define LCD_VCC_EN_GPIO (7)
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static void __init mx31lilly_init_fb(void)
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{
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if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
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printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
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return;
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}
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mxc_register_device(&mx3_ipu, &ipu_data);
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mxc_register_device(&mx3_fb, &fb_pdata);
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gpio_direction_output(LCD_VCC_EN_GPIO, 1);
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}
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void __init mx31lilly_db_init(void)
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{
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mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
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ARRAY_SIZE(lilly_db_board_pins),
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"development board pins");
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
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mxc_register_device(&mxc_uart_device1, &uart_pdata);
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mxc_register_device(&mxc_uart_device2, &uart_pdata);
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mxc_register_device(&mxcsdhc_device0, &mmc_pdata);
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mx31lilly_init_fb();
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}
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