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https://github.com/brain-hackers/u-boot-brain
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5d71bd210f
The inclusion of LCD patch into mx51evk breaks the build when CONFIG_VIDEO is disabled. Fix this by splitting the video related stuff to a new file. Also rename the function lcd_iomux to setup_iomux_lcd to make the namings aligned with the other iomux functions. Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Stefano Babic <sbabic@denx.de>
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*
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* Copyright (C) 2012 Freescale Semiconductor, Inc.
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* Fabio Estevam <fabio.estevam@freescale.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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 as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <linux/list.h>
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#include <asm/gpio.h>
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#include <asm/arch/iomux.h>
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#include <linux/fb.h>
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#include <ipu_pixfmt.h>
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#define MX51EVK_LCD_3V3 IMX_GPIO_NR(4, 9)
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#define MX51EVK_LCD_5V IMX_GPIO_NR(4, 10)
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#define MX51EVK_LCD_BACKLIGHT IMX_GPIO_NR(3, 4)
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static struct fb_videomode const claa_wvga = {
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.name = "CLAA07LC0ACW",
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.refresh = 57,
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.xres = 800,
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.yres = 480,
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.pixclock = 37037,
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.left_margin = 40,
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.right_margin = 60,
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.upper_margin = 10,
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.lower_margin = 10,
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.hsync_len = 20,
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.vsync_len = 10,
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.sync = 0,
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.vmode = FB_VMODE_NONINTERLACED
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};
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void setup_iomux_lcd(void)
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{
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/* DI2_PIN15 */
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mxc_request_iomux(MX51_PIN_DI_GP4, IOMUX_CONFIG_ALT4);
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/* Pad settings for MX51_PIN_DI2_DISP_CLK */
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mxc_iomux_set_pad(MX51_PIN_DI2_DISP_CLK, PAD_CTL_HYS_NONE |
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PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
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PAD_CTL_DRV_MAX | PAD_CTL_SRE_SLOW);
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/* Turn on 3.3V voltage for LCD */
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mxc_request_iomux(MX51_PIN_CSI2_D12, IOMUX_CONFIG_ALT3);
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gpio_direction_output(MX51EVK_LCD_3V3, 1);
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/* Turn on 5V voltage for LCD */
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mxc_request_iomux(MX51_PIN_CSI2_D13, IOMUX_CONFIG_ALT3);
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gpio_direction_output(MX51EVK_LCD_5V, 1);
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/* Turn on GPIO backlight */
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mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4);
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mxc_iomux_set_input(MX51_GPIO3_IPP_IND_G_IN_4_SELECT_INPUT,
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INPUT_CTL_PATH1);
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gpio_direction_output(MX51EVK_LCD_BACKLIGHT, 1);
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}
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void lcd_enable(void)
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{
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int ret = ipuv3_fb_init(&claa_wvga, 1, IPU_PIX_FMT_RGB565);
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if (ret)
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printf("LCD cannot be configured: %d\n", ret);
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}
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