GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015  Beckhoff Automation GmbH & Co. KG
+ * Patrick Bruenn <p.bruenn@beckhoff.com>
+ *
+ * Based on <u-boot>/board/freescale/mx53loco/mx53loco_video.c
+ * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <asm/arch/iomux-mx53.h>
+#include <asm/gpio.h>
+#include <asm/mach-imx/video.h>
+
+#define CX9020_DVI_PWD	IMX_GPIO_NR(6, 1)
+
+struct display_info_t const displays[] = {{
+	.bus	= -1,
+	.addr	= 0,
+	.pixfmt	= IPU_PIX_FMT_RGB24,
+	.detect	= NULL,
+	.enable	= NULL,
+	.mode	= {
+		.name           = "DVI",
+		.refresh = 60,
+		.xres = 640,
+		.yres = 480,
+		.pixclock = 39721,	/* picosecond (25.175 MHz) */
+		.left_margin = 40,
+		.right_margin = 60,
+		.upper_margin = 10,
+		.lower_margin = 10,
+		.hsync_len = 20,
+		.vsync_len = 10,
+		.sync = 0,
+		.vmode = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+void setup_iomux_lcd(void)
+{
+	/* Turn on DVI_PWD */
+	imx_iomux_v3_setup_pad(MX53_PAD_CSI0_DAT15__GPIO6_1);
+	gpio_request(CX9020_DVI_PWD, "CX9020_DVI_PWD");
+	gpio_direction_output(CX9020_DVI_PWD, 1);
+}