1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2012 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun * Fabio Estevam <fabio.estevam@freescale.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <linux/list.h>
10*4882a593Smuzhiyun #include <asm/gpio.h>
11*4882a593Smuzhiyun #include <asm/arch/iomux-mx53.h>
12*4882a593Smuzhiyun #include <linux/fb.h>
13*4882a593Smuzhiyun #include <ipu_pixfmt.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24)
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun static struct fb_videomode const claa_wvga = {
18*4882a593Smuzhiyun .name = "CLAA07LC0ACW",
19*4882a593Smuzhiyun .refresh = 57,
20*4882a593Smuzhiyun .xres = 800,
21*4882a593Smuzhiyun .yres = 480,
22*4882a593Smuzhiyun .pixclock = 37037,
23*4882a593Smuzhiyun .left_margin = 40,
24*4882a593Smuzhiyun .right_margin = 60,
25*4882a593Smuzhiyun .upper_margin = 10,
26*4882a593Smuzhiyun .lower_margin = 10,
27*4882a593Smuzhiyun .hsync_len = 20,
28*4882a593Smuzhiyun .vsync_len = 10,
29*4882a593Smuzhiyun .sync = 0,
30*4882a593Smuzhiyun .vmode = FB_VMODE_NONINTERLACED
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun static struct fb_videomode const seiko_wvga = {
34*4882a593Smuzhiyun .name = "Seiko-43WVF1G",
35*4882a593Smuzhiyun .refresh = 60,
36*4882a593Smuzhiyun .xres = 800,
37*4882a593Smuzhiyun .yres = 480,
38*4882a593Smuzhiyun .pixclock = 29851, /* picosecond (33.5 MHz) */
39*4882a593Smuzhiyun .left_margin = 89,
40*4882a593Smuzhiyun .right_margin = 164,
41*4882a593Smuzhiyun .upper_margin = 23,
42*4882a593Smuzhiyun .lower_margin = 10,
43*4882a593Smuzhiyun .hsync_len = 10,
44*4882a593Smuzhiyun .vsync_len = 10,
45*4882a593Smuzhiyun .sync = 0,
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun
setup_iomux_lcd(void)48*4882a593Smuzhiyun void setup_iomux_lcd(void)
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun static const iomux_v3_cfg_t lcd_pads[] = {
51*4882a593Smuzhiyun MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
52*4882a593Smuzhiyun MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
53*4882a593Smuzhiyun MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
54*4882a593Smuzhiyun MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
55*4882a593Smuzhiyun MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
56*4882a593Smuzhiyun MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
57*4882a593Smuzhiyun MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
58*4882a593Smuzhiyun MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
59*4882a593Smuzhiyun MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
60*4882a593Smuzhiyun MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
61*4882a593Smuzhiyun MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
62*4882a593Smuzhiyun MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
63*4882a593Smuzhiyun MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
64*4882a593Smuzhiyun MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
65*4882a593Smuzhiyun MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
66*4882a593Smuzhiyun MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
67*4882a593Smuzhiyun MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
68*4882a593Smuzhiyun MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
69*4882a593Smuzhiyun MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
70*4882a593Smuzhiyun MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
71*4882a593Smuzhiyun MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
72*4882a593Smuzhiyun MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
73*4882a593Smuzhiyun MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
74*4882a593Smuzhiyun MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
75*4882a593Smuzhiyun MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
76*4882a593Smuzhiyun MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
77*4882a593Smuzhiyun MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
78*4882a593Smuzhiyun MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
79*4882a593Smuzhiyun };
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun /* Turn on GPIO backlight */
84*4882a593Smuzhiyun imx_iomux_v3_setup_pad(MX53_PAD_EIM_D24__GPIO3_24);
85*4882a593Smuzhiyun gpio_direction_output(MX53LOCO_LCD_POWER, 1);
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun /* Turn on display contrast */
88*4882a593Smuzhiyun imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1);
89*4882a593Smuzhiyun gpio_direction_output(IMX_GPIO_NR(1, 1), 1);
90*4882a593Smuzhiyun }
91*4882a593Smuzhiyun
board_video_skip(void)92*4882a593Smuzhiyun int board_video_skip(void)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun int ret;
95*4882a593Smuzhiyun char const *e = env_get("panel");
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun if (e) {
98*4882a593Smuzhiyun if (strcmp(e, "seiko") == 0) {
99*4882a593Smuzhiyun ret = ipuv3_fb_init(&seiko_wvga, 0, IPU_PIX_FMT_RGB24);
100*4882a593Smuzhiyun if (ret)
101*4882a593Smuzhiyun printf("Seiko cannot be configured: %d\n", ret);
102*4882a593Smuzhiyun return ret;
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun }
105*4882a593Smuzhiyun
106*4882a593Smuzhiyun /*
107*4882a593Smuzhiyun * 'panel' env variable not found or has different value than 'seiko'
108*4882a593Smuzhiyun * Defaulting to claa lcd.
109*4882a593Smuzhiyun */
110*4882a593Smuzhiyun ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565);
111*4882a593Smuzhiyun if (ret)
112*4882a593Smuzhiyun printf("CLAA cannot be configured: %d\n", ret);
113*4882a593Smuzhiyun return ret;
114*4882a593Smuzhiyun }
115