1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2015  Beckhoff Automation GmbH & Co. KG
4  * Patrick Bruenn <p.bruenn@beckhoff.com>
5  *
6  * Based on <u-boot>/board/freescale/mx53loco/mx53loco_video.c
7  * Copyright (C) 2012 Freescale Semiconductor, Inc.
8  */
9 
10 #include <common.h>
11 #include <linux/list.h>
12 #include <asm/gpio.h>
13 #include <asm/arch/iomux-mx53.h>
14 #include <linux/fb.h>
15 #include <ipu_pixfmt.h>
16 
17 #define CX9020_DVI_PWD	IMX_GPIO_NR(6, 1)
18 
19 static struct fb_videomode const vga_640x480 = {
20 	.name = "VESA_VGA_640x480",
21 	.refresh = 60,
22 	.xres = 640,
23 	.yres = 480,
24 	.pixclock = 39721,	/* picosecond (25.175 MHz) */
25 	.left_margin = 40,
26 	.right_margin = 60,
27 	.upper_margin = 10,
28 	.lower_margin = 10,
29 	.hsync_len = 20,
30 	.vsync_len = 10,
31 	.sync = 0,
32 	.vmode = FB_VMODE_NONINTERLACED
33 };
34 
setup_iomux_lcd(void)35 void setup_iomux_lcd(void)
36 {
37 	/* Turn on DVI_PWD */
38 	imx_iomux_v3_setup_pad(MX53_PAD_CSI0_DAT15__GPIO6_1);
39 	gpio_direction_output(CX9020_DVI_PWD, 1);
40 }
41 
board_video_skip(void)42 int board_video_skip(void)
43 {
44 	const int ret = ipuv3_fb_init(&vga_640x480, 0, IPU_PIX_FMT_RGB24);
45 	if (ret)
46 		printf("VESA VG 640x480 cannot be configured: %d\n", ret);
47 	return ret;
48 }
49