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 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 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