1&pinctrl { 2 uart2_default: uart2_default { 3 group1 { 4 pinmux = <UART2_TX_GPIO32>; 5 }; 6 group2 { 7 pinmux = <UART2_RX_GPIO33>; 8 bias-pull-up; 9 }; 10 }; 11}; 12 13&uart2 { 14 status = "okay"; 15 current-speed = <57600>; 16 pinctrl-0 = <&uart2_default>; 17 pinctrl-names = "default"; 18 19 fps { 20 #address-cells=<1>; 21 #size-cells=<0>; 22 grow_r502a@ffffffff { 23 compatible = "hzgrow,r502a"; 24 reg = <0xffffffff>; 25 int-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>; 26 }; 27 }; 28 29 led { 30 compatible = "hzgrow,r502a-led"; 31 status = "okay"; 32 }; 33}; 34