linux-kernel - [RFC PATCH v1 4/4] arm64: dts: imx8mq-librem5-r3.dtsi: describe selfie cam XSHUTDOWN pin

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Message-Id: <20211015083506.4182875-5-martin.kepplinger@puri.sm>
Date:   Fri, 15 Oct 2021 10:35:06 +0200
From:   Martin Kepplinger <martin.kepplinger@...i.sm>
To:     robh@...nel.org, shawnguo@...nel.org, festevam@...il.com,
        krzk@...nel.org
Cc:     kernel@...gutronix.de, linux-imx@....com, kernel@...i.sm,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        Martin Kepplinger <martin.kepplinger@...i.sm>
Subject: [RFC PATCH v1 4/4] 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@...i.sm>
---
 .../arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi
index e872eb4b1cf9..e4f8b47cce4f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dtsi
@@ -27,6 +27,19 @@ &bq25895 {
 	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>;
 };
-- 
2.30.2