{ /* pins = "PC3", "PC7", "PC6"; */ pins = "PC3"; function = "spi0"; muxsel = <2>; drive-strength = <20>; bias-pull-up; /* cs, hold, wp should be pulled up */ }; &spi0 { clock-frequency = <100000000>; pinctrl-0 = <&spi0_pins_a &spi0_pins_b>; pinctrl-...
pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart3_pins_a>; pinctrl-1 = <&uart3_pins_a>; status = "okay"; }; uart3_pins_a: uart3_pins@0 { /* For EVB1 board */ pins = "PB06", "PB07"; function = "uart3"; muxsel = <7>; drive-strength = <10>; bias-pull...
{ pins = "PB2", "PB3"; function = "can0"; drive-strength = <10>; bias-pull-up; }; can1_pins_a: can1_pins@0 { pins = "PB4", "PB5"; function = "can1"; drive-strength = <10>; bias-pull-up; }; uart5_pb4_pins: uart5-pb4-pins { pins = "PB4", "PB5"; ...
{/* For EVB1 board */pins ="PD21","PD22"; function ="uart1"; drive-strength = <...
drive-strength = <40>; bias-pull-up; power-source = <3300>; }; sdc0_pins_b: sdc0@1 { pins ="PF0","PF1","PF2","PF3","PF4","PF5";function="sdc0"; drive-strength = <40>; bias-pull-up; power-source = <1800>;
保留一切权利 14 + uart2_pins_a: uart2_pins@0 { + pins = "PE2", "PE3"; + function = "uart2"; + drive-strength = <10>; + bias-pull-up; + }; + + uart2_pins_b: uart2_pins@1 { + pins = "PE2", "PE3"; + function = "gpio_in"; + }; + twi0_pins_a: twi0@...
@dazb3 修改如下: daudio2_pins_a: daudio2@0 { /* I2S_PIN: MCLK, BCLK, LRCK */ pins = "PB7", "PB5", "PB6"; function = "i2s2"; drive-strength = ; bias-disable; }; daudio2_pins_b: daudio2@1 { /* I2S_PIN: DOUT0 */ pins = "PB4"; function =
uart1_pins_a: uart1_pins@0 { /* For EVB1 board */ pins = "PD21", "PD22"; function = "uart1"; drive-strength = <10>; bias-pull-up; }; uart1_pins_b: uart1_pins@1 { /* For EVB1 board */ pins = "PD21", "PD22"; function = "gpio_in"; }; &uart0 { pinctrl-na...
可以调一下drive-strength看看，之前RMII遇到过能识别phy没法通信
修改为: uart0_pins_a:uart0_pins@0{/* For mangopi board */pins="PF2","PF4";function="uart0";drive-strength=<10>;bias-pull-up;};uart0_pins_b:uart0_pins@1{/* For mangopi board */pins="PF2","PF4";function="gpio_in";}; 同时需要保证uart0_pins的引脚配置在内核设备树中未与其他...