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ARM: tegra: Fix can2 on Tegra30 Apalis

CAN2 currently fails on probe as follows:

mcp251x spi1.1: Probe failed, err=19

Fix this by enabling input on pin mux of resp. SPI4 pins.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

authored by

Marcel Ziswiler and committed by
Thierry Reding 700253e7 6e181190

+1
+1
arch/arm/boot/dts/tegra30-apalis.dtsi
··· 118 118 nvidia,function = "spi4"; 119 119 nvidia,pull = <TEGRA_PIN_PULL_NONE>; 120 120 nvidia,tristate = <TEGRA_PIN_DISABLE>; 121 + nvidia,enable-input = <TEGRA_PIN_ENABLE>; 121 122 }; 122 123 /* CAN_INT2 */ 123 124 spi2_cs2_n_pw3 {