2 * Novena video output support
4 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
6 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/errno.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/crm_regs.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/iomux.h>
17 #include <asm/arch/mxc_hdmi.h>
18 #include <asm/arch/sys_proto.h>
19 #include <asm/imx-common/iomux-v3.h>
20 #include <asm/imx-common/mxc_i2c.h>
21 #include <asm/imx-common/video.h>
24 #include <ipu_pixfmt.h>
26 #include <linux/input.h>
28 #include <stdio_dev.h>
32 static void enable_hdmi(struct display_info_t const *dev)
34 imx_enable_hdmi_phy();
37 struct display_info_t const displays[] = {
42 .pixfmt = IPU_PIX_FMT_RGB24,
43 .detect = detect_hdmi,
44 .enable = enable_hdmi,
58 .vmode = FB_VMODE_NONINTERLACED
63 size_t display_count = ARRAY_SIZE(displays);
65 void setup_display_clock(void)
67 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
68 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
73 /* Turn on LDB0,IPU,IPU DI0 clocks */
74 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
76 /* set LDB0, LDB1 clk select to 011/011 */
77 clrsetbits_le32(&mxc_ccm->cs2cdr,
78 MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
79 MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK,
80 (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
81 (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET));
83 setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
85 setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
86 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
88 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
89 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
90 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
91 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
92 IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
93 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
94 IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
95 IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED |
96 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
99 clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
100 IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
101 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);