Add callbacks to set up DP-HPD, backlight and LCD power on SMDK5420.
Signed-off-by: Ajay Kumar ajaykumar.rs@samsung.com --- board/samsung/smdk5420/smdk5420.c | 118 +++++++++++--------------------------- 1 file changed, 34 insertions(+), 84 deletions(-)
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c index cf76455..3f29ce0 100644 --- a/board/samsung/smdk5420/smdk5420.c +++ b/board/samsung/smdk5420/smdk5420.c @@ -137,98 +137,48 @@ int board_mmc_init(bd_t *bis) #endif
#ifdef CONFIG_LCD -void cfg_lcd_gpio(void) +void exynos_cfg_lcd_gpio(void) { - struct exynos5_gpio_part1 *gpio1 = - (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1(); + struct exynos5420_gpio_part2 *gpio2 = + (struct exynos5420_gpio_part2 *)samsung_get_base_gpio_part2();
- /* For Backlight */ + /* Set Hotplug detect for DP */ + s5p_gpio_cfg_pin(&gpio2->x0, 7, GPIO_FUNC(0x3)); +} + +void exynos_backlight_on(unsigned int onoff) +{ + struct exynos5420_gpio_part1 *gpio1 = + (struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1(); + + struct exynos5420_gpio_part2 *gpio2 = + (struct exynos5420_gpio_part2 *)samsung_get_base_gpio_part2(); + + /* For PWM */ s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT); s5p_gpio_set_value(&gpio1->b2, 0, 1);
- /* LCD power on */ - s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT); - s5p_gpio_set_value(&gpio1->x1, 5, 1); - - /* Set Hotplug detect for DP */ - s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3)); + /* BL_EN */ + s5p_gpio_cfg_pin(&gpio2->x1, 5, GPIO_OUTPUT); + s5p_gpio_set_value(&gpio2->x1, 5, 1); }
-vidinfo_t panel_info = { - .vl_freq = 60, - .vl_col = 2560, - .vl_row = 1600, - .vl_width = 2560, - .vl_height = 1600, - .vl_clkp = CONFIG_SYS_LOW, - .vl_hsp = CONFIG_SYS_LOW, - .vl_vsp = CONFIG_SYS_LOW, - .vl_dp = CONFIG_SYS_LOW, - .vl_bpix = 4, /* LCD_BPP = 2^4, for output conosle on LCD */ - - /* wDP panel timing infomation */ - .vl_hspw = 32, - .vl_hbpd = 80, - .vl_hfpd = 48, - - .vl_vspw = 6, - .vl_vbpd = 37, - .vl_vfpd = 3, - .vl_cmd_allow_len = 0xf, - - .win_id = 3, - .cfg_gpio = cfg_lcd_gpio, - .backlight_on = NULL, - .lcd_power_on = NULL, - .reset_lcd = NULL, - .dual_lcd_enabled = 0, - - .init_delay = 0, - .power_on_delay = 0, - .reset_delay = 0, - .interface_mode = FIMD_RGB_INTERFACE, - .dp_enabled = 1, -}; - -static struct edp_device_info edp_info = { - .disp_info = { - .h_res = 2560, - .h_sync_width = 32, - .h_back_porch = 80, - .h_front_porch = 48, - .v_res = 1600, - .v_sync_width = 6, - .v_back_porch = 37, - .v_front_porch = 3, - .v_sync_rate = 60, - }, - .lt_info = { - .lt_status = DP_LT_NONE, - }, - .video_info = { - .master_mode = 0, - .bist_mode = DP_DISABLE, - .bist_pattern = NO_PATTERN, - .h_sync_polarity = 0, - .v_sync_polarity = 0, - .interlaced = 0, - .color_space = COLOR_RGB, - .dynamic_range = VESA, - .ycbcr_coeff = COLOR_YCBCR601, - .color_depth = COLOR_8, - }, -}; - -static struct exynos_dp_platform_data dp_platform_data = { - .phy_enable = set_dp_phy_ctrl, - .edp_dev_info = &edp_info, -}; - -void init_panel_info(vidinfo_t *vid) +void exynos_lcd_power_on(void) { - vid->rgb_mode = MODE_RGB_P, - - exynos_set_dp_platform_data(&dp_platform_data); + int pmic_bus, pmic_i2caddr, ldo38_reg, old_bus; + u8 value; + + /* enable VDD_28IO_DP: LDO38 should be at 2.8V */ + pmic_bus = 4; + pmic_i2caddr = 0x66; + ldo38_reg = 0x62; + value = 0x78; + + old_bus = i2c_get_bus_num(); + i2c_set_bus_num(pmic_bus); + if (i2c_write(pmic_i2caddr, ldo38_reg, 1, &value, 1)) + printf("i2c write fail. Failed to enable VDD_28IO_DP\n"); + i2c_set_bus_num(old_bus); } #endif