Below is the pin configure by jetson-io,
You can add it manually.
pinmux@2430000 {
compatible = "nvidia,tegra186-pinmux";
status = "okay";
phandle = <0x89>;
reg = <0x0 0x2430000 0x0 0x15000 0x0 0xc300000 0x0 0x4000>;
pinctrl-0 = <0x16e>;
#gpio-range-cells = <0x3>;
linux,phandle = <0x89>;
pinctrl-names = "default";
exp-header-pinmux {
phandle = <0x16e>;
linux,phandle = <0x16e>;
hdr40-pin21 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_wan6_ph1";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi1";
nvidia,pull = <0x1>;
};
hdr40-pin18 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_sen4_pv4";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi2";
nvidia,pull = <0x1>;
};
hdr40-pin24 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_wan8_ph3";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi1";
nvidia,pull = <0x1>;
};
hdr40-pin22 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_sen2_pv2";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi2";
nvidia,pull = <0x1>;
};
hdr40-pin19 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_wan7_ph2";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi1";
nvidia,pull = <0x1>;
};
hdr40-pin37 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_sen3_pv3";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi2";
nvidia,pull = <0x1>;
};
hdr40-pin23 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_wan5_ph0";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi1";
nvidia,pull = <0x1>;
};
hdr40-pin13 {
nvidia,enable-input = <0x1>;
nvidia,pins = "gpio_sen1_pv1";
nvidia,lpdr = <0x0>;
nvidia,tristate = <0x0>;
nvidia,function = "spi2";
nvidia,pull = <0x1>;
};
};