Yes, need modify like below.
nvidia,pins = "spi1_mosi_pc0";
79 nvidia,function = "spi1";
80 nvidia,pin-label = "spi1_dout";
81 nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
82 nvidia,tristate = <TEGRA_PIN_DISABLE>;
83 nvidia,enable-input = <TEGRA_PIN_ENABLE>;