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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright 2017 General Electric Company
- *
- * Based on board/freescale/mx53loco/mx53loco_video.c:
- *
- * Copyright (C) 2012 Freescale Semiconductor, Inc.
- * Fabio Estevam <fabio.estevam@freescale.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <linux/list.h>
- #include <asm/arch/iomux-mx53.h>
- #include <asm/mach-imx/video.h>
- #include <linux/fb.h>
- #include <ipu_pixfmt.h>
- #include <asm/arch/crm_regs.h>
- #include <asm/arch/imx-regs.h>
- #include <asm/io.h>
- #include <panel.h>
- static int detect_lcd(struct display_info_t const *dev)
- {
- return 1;
- }
- static void lcd_enable(void)
- {
- struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
- struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
- /* Set LDB_DI0 as clock source for IPU_DI0 */
- clrsetbits_le32(&mxc_ccm->cscmr2,
- MXC_CCM_CSCMR2_DI0_CLK_SEL_MASK,
- MXC_CCM_CSCMR2_DI0_CLK_SEL(
- MXC_CCM_CSCMR2_DI0_CLK_SEL_LDB_DI0_CLK));
- /* Turn on IPU LDB DI0 clocks */
- setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_LDB_DI0(3));
- /* Turn on IPU DI0 clocks */
- setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_IPU_DI0(3));
- /* Configure LDB */
- writel(IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
- IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
- IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
- &iomux->gpr[2]);
- }
- static void do_enable_backlight(struct display_info_t const *dev)
- {
- struct udevice *panel;
- int ret;
- lcd_enable();
- ret = uclass_get_device(UCLASS_PANEL, 0, &panel);
- if (ret) {
- printf("Could not find panel: %d\n", ret);
- return;
- }
- panel_set_backlight(panel, 100);
- panel_enable_backlight(panel);
- }
- struct display_info_t const displays[] = {
- {
- .bus = -1,
- .addr = -1,
- .pixfmt = IPU_PIX_FMT_RGB24,
- .detect = detect_lcd,
- .enable = do_enable_backlight,
- .mode = {
- .name = "NV-SPWGRGB888",
- .refresh = 60,
- .xres = 800,
- .yres = 480,
- .pixclock = 15384,
- .left_margin = 16,
- .right_margin = 210,
- .upper_margin = 10,
- .lower_margin = 22,
- .hsync_len = 30,
- .vsync_len = 13,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- }
- }
- };
- size_t display_count = ARRAY_SIZE(displays);
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