Add the definition for the wp-gpio of the P2597's external card slot,
enabling this functionality.

Tested on a P2597 board.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
---
 arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index 3662b513d623..73ae63628f83 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1517,6 +1517,7 @@ mmc@700b0000 {
 		bus-width = <4>;
 
 		cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(Z, 4) GPIO_ACTIVE_HIGH>;
 
 		vqmmc-supply = <&vddio_sdmmc>;
 		vmmc-supply = <&vdd_3v3_sd>;

-- 
2.46.0