arm64: tegra: Disable SD card write-protection on Jetson Nano

There is no GPIO hooked up to the write-protection pin of the SD slot.
Make sure to describe this properly in device tree to avoid errors or
warnings being emitted by the operating system.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
index b8d1fa72e17770289007ee919f7c3eb48d122669..553a5585edaca2305eee3f54268b1f55c8e800fb 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
@@ -576,6 +576,7 @@
                bus-width = <4>;
 
                cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
+               disable-wp;
 
                vqmmc-supply = <&vddio_sdmmc>;
                vmmc-supply = <&vdd_3v3_sd>;