1 /* 2 * Copyright (C) 2015 Beckhoff Automation GmbH & Co. KG 3 * Patrick Bruenn <p.bruenn@beckhoff.com> 4 * 5 * Based on <u-boot>/board/freescale/mx53loco/mx53loco_video.c 6 * Copyright (C) 2012 Freescale Semiconductor, Inc. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <common.h> 12 #include <linux/list.h> 13 #include <asm/gpio.h> 14 #include <asm/arch/iomux-mx53.h> 15 #include <linux/fb.h> 16 #include <ipu_pixfmt.h> 17 18 #define CX9020_DVI_PWD IMX_GPIO_NR(6, 1) 19 20 static struct fb_videomode const vga_640x480 = { 21 .name = "VESA_VGA_640x480", 22 .refresh = 60, 23 .xres = 640, 24 .yres = 480, 25 .pixclock = 39721, /* picosecond (25.175 MHz) */ 26 .left_margin = 40, 27 .right_margin = 60, 28 .upper_margin = 10, 29 .lower_margin = 10, 30 .hsync_len = 20, 31 .vsync_len = 10, 32 .sync = 0, 33 .vmode = FB_VMODE_NONINTERLACED 34 }; 35 36 void setup_iomux_lcd(void) 37 { 38 /* Turn on DVI_PWD */ 39 imx_iomux_v3_setup_pad(MX53_PAD_CSI0_DAT15__GPIO6_1); 40 gpio_direction_output(CX9020_DVI_PWD, 1); 41 } 42 43 int board_video_skip(void) 44 { 45 const int ret = ipuv3_fb_init(&vga_640x480, 0, IPU_PIX_FMT_RGB24); 46 if (ret) 47 printf("VESA VG 640x480 cannot be configured: %d\n", ret); 48 return ret; 49 } 50