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@@ -147,159 +147,6 @@ int board_get_revision(void)
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return 0;
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}
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-#ifdef CONFIG_LCD
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-
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-static int board_dp_bridge_init(struct udevice *dev)
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-{
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- const int max_tries = 10;
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- int num_tries;
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- int ret;
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-
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- debug("%s\n", __func__);
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- ret = video_bridge_attach(dev);
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- if (ret) {
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- debug("video bridge init failed: %d\n", ret);
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- return ret;
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- }
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-
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- /*
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- * We need to wait for 90ms after bringing up the bridge since there
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- * is a phantom "high" on the HPD chip during its bootup. The phantom
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- * high comes within 7ms of de-asserting PD and persists for at least
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- * 15ms. The real high comes roughly 50ms after PD is de-asserted. The
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- * phantom high makes it hard for us to know when the NXP chip is up.
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- */
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- mdelay(90);
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-
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- for (num_tries = 0; num_tries < max_tries; num_tries++) {
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- /* Check HPD. If it's high, or we don't have it, all is well */
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- ret = video_bridge_check_attached(dev);
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- if (!ret || ret == -ENOENT)
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- return 0;
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-
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- debug("%s: eDP bridge failed to come up; try %d of %d\n",
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- __func__, num_tries, max_tries);
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- }
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-
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- /* Immediately go into bridge reset if the hp line is not high */
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- return -EIO;
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-}
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-
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-static int board_dp_bridge_setup(const void *blob)
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-{
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- const int max_tries = 2;
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- int num_tries;
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- struct udevice *dev;
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- int ret;
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-
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- /* Configure I2C registers for Parade bridge */
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- ret = uclass_get_device(UCLASS_VIDEO_BRIDGE, 0, &dev);
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- if (ret) {
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- debug("video bridge init failed: %d\n", ret);
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- return ret;
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- }
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-
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- if (strncmp(dev->driver->name, "parade", 6)) {
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- /* Mux HPHPD to the special hotplug detect mode */
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- exynos_pinmux_config(PERIPH_ID_DPHPD, 0);
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- }
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-
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- for (num_tries = 0; num_tries < max_tries; num_tries++) {
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- ret = board_dp_bridge_init(dev);
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- if (!ret)
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- return 0;
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- if (num_tries == max_tries - 1)
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- break;
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-
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- /*
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- * If we're here, the bridge chip failed to initialise.
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- * Power down the bridge in an attempt to reset.
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- */
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- video_bridge_set_active(dev, false);
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-
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- /*
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- * Arbitrarily wait 300ms here with DP_N low. Don't know for
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- * sure how long we should wait, but we're being paranoid.
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- */
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- mdelay(300);
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- }
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-
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- return ret;
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-}
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-
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-void exynos_cfg_lcd_gpio(void)
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-{
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- /* For Backlight */
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- gpio_request(EXYNOS5_GPIO_B20, "lcd_backlight");
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- gpio_cfg_pin(EXYNOS5_GPIO_B20, S5P_GPIO_OUTPUT);
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- gpio_set_value(EXYNOS5_GPIO_B20, 1);
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-}
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-
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-static int board_dp_set_backlight(int percent)
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-{
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- struct udevice *dev;
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- int ret;
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-
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- ret = uclass_get_device(UCLASS_VIDEO_BRIDGE, 0, &dev);
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- if (!ret)
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- ret = video_bridge_set_backlight(dev, percent);
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-
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- return ret;
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-}
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-
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-void exynos_backlight_on(unsigned int on)
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-{
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- struct udevice *dev;
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- int ret;
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-
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- debug("%s(%u)\n", __func__, on);
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- if (!on)
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- return;
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-
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- ret = regulator_get_by_platname("vcd_led", &dev);
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- if (!ret)
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- ret = regulator_set_enable(dev, true);
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- if (ret)
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- debug("Failed to enable backlight: ret=%d\n", ret);
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-
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- /* T5 in the LCD timing spec (defined as > 10ms) */
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- mdelay(10);
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-
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- /* board_dp_backlight_pwm */
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- gpio_direction_output(EXYNOS5_GPIO_B20, 1);
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-
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- /* T6 in the LCD timing spec (defined as > 10ms) */
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- mdelay(10);
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-
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- /* try to set the backlight in the bridge registers */
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- ret = board_dp_set_backlight(80);
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-
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- /* if we have no bridge or it does not support backlight, use a GPIO */
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- if (ret == -ENODEV || ret == -ENOSYS) {
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- gpio_request(EXYNOS5_GPIO_X30, "board_dp_backlight_en");
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- gpio_direction_output(EXYNOS5_GPIO_X30, 1);
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- }
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-}
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-
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-void exynos_lcd_power_on(void)
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-{
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- struct udevice *dev;
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- int ret;
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-
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- debug("%s\n", __func__);
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- ret = regulator_get_by_platname("lcd_vdd", &dev);
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- if (!ret)
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- ret = regulator_set_enable(dev, true);
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- if (ret)
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- debug("Failed to enable LCD panel: ret=%d\n", ret);
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-
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- ret = board_dp_bridge_setup(gd->fdt_blob);
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- if (ret && ret != -ENODEV)
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- printf("LCD bridge failed to enable: %d\n", ret);
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-}
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-
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-#endif
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-
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#ifdef CONFIG_USB_DWC3
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static struct dwc3_device dwc3_device_data = {
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.maximum_speed = USB_SPEED_SUPER,
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