diff options
| author | Philippe Schenker <philippe.schenker@toradex.com> | 2021-03-31 17:20:00 +0200 |
|---|---|---|
| committer | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2021-04-14 07:40:15 +0000 |
| commit | 581b91a51c0f117486f277f6077b66bd52f8a846 (patch) | |
| tree | 110fe9cae2919262800aacc4b9ab041b8b9d253c | |
| parent | 71ec3fe84d04a2d8ab6c55ddf371f0e80ccaa348 (diff) | |
overlays: apalis-imx8x_lvds_overlay: set muxer explicitly to LVDS
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
| -rw-r--r-- | overlays/apalis-imx8x_lvds_overlay.dts | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/overlays/apalis-imx8x_lvds_overlay.dts b/overlays/apalis-imx8x_lvds_overlay.dts index ed8e21f..3b1332f 100644 --- a/overlays/apalis-imx8x_lvds_overlay.dts +++ b/overlays/apalis-imx8x_lvds_overlay.dts @@ -28,6 +28,24 @@ status = "okay"; }; +/* On-module GPIO Expander */ +&pcal6416_1 { + /* + * This gpio-hog drives a muxing device. With that we can choose + * if LVDS1_B pins are active or if DSI signals routed to the + * on-module Lontium LT8912 DSI-to-HDMI bridge chip are active. + * + * output-high; muxes to DSI signals, getting Apalis HDMI1 pins active + * output-low; muxes to LVDS1_B signals, getting Apalis LVDS1 pins active + */ + LVDS1B_HDMI_MUX { + gpio-hog; + gpios = <14 GPIO_ACTIVE_HIGH>; + output-low; + line-name = "LVDS1_HDMI_MUX"; + }; +}; + /* Apalis BKL1_PWM */ &pwm_mipi_lvds1 { status = "okay"; |