arm64: dts: colibri-imx8x: Add pinctrl group for hdmi hpd

The colibri imx8x contains a dedicated gpio meant for HDMI
hot-plug-detect. Add a pinctrl group to make this usable.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
index 1d4e127ffa7e89731392637fbf9d0e2100b5f440..cd7de71c6d73c1f0aaa2a499beaef92684ef09e7 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
@@ -218,6 +218,11 @@
                fsl,pins = <IMX8QXP_QSPI0A_DATA3_LSIO_GPIO3_IO12                0x60>;          /* SODIMM  71 */
        };
 
+       /* HDMI Hot Plug Detect on FFC (X2) */
+       pinctrl_gpio_hpd: gpiohpdgrp {
+               fsl,pins = <IMX8QXP_MIPI_DSI1_GPIO0_00_LSIO_GPIO1_IO31          0x20>;          /* SODIMM 138 */
+       };
+
        pinctrl_gpiokeys: gpiokeysgrp {
                fsl,pins = <IMX8QXP_QSPI0A_DATA1_LSIO_GPIO3_IO10                0x06700041>;    /* SODIMM  45 */
        };