arm64: dts: imx8mq-librem5-r3.dtsi: describe selfie cam XSHUTDOWN pin

The r3 and later revisions of the Librem 5 phone include an additional switch
to control the hi846 XSHUTDOWN pin. Describe it.

Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi
index e872eb4..e4f8b47 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi
@@ -27,6 +27,19 @@
        ti,termination-current = <144000>;  /* uA */
 };
 
+&camera_front {
+       pinctrl-0 = <&pinctrl_csi1>, <&pinctrl_r3_camera_pwr>;
+       shutdown-gpios = <&gpio5 4 GPIO_ACTIVE_LOW>;
+};
+
+&iomuxc {
+       pinctrl_r3_camera_pwr: r3camerapwrgrp {
+               fsl,pins = <
+                       MX8MQ_IOMUXC_SPDIF_RX_GPIO5_IO4         0x83
+               >;
+       };
+};
+
 &proximity {
        proximity-near-level = <25>;
 };