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On Mon, Sep 30, 2013 at 4:50 PM, Ajay Kumar <[email protected]>wrote: > Add callbacks to set up DP-HPD, backlight and LCD power > on SMDK5420. > > Signed-off-by: Ajay Kumar <[email protected]> > --- > 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 > > -- > 1.7.12.4 > > _______________________________________________ > U-Boot mailing list > [email protected] > http://lists.denx.de/mailman/listinfo/u-boot >
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