cs-gpios = <&gpio1 RK_PB2_GPIO_ACTIVE_LOW>; num-chipselects = <1>; pinctrl-names = "default"; pinctrl-0 = <&spi5_gpios>; status = "disabled"; }; 然后对pinctrl节点进行追加,追加内容如下所示: spi5_gpios: gpios { rockchip,pins = <0 RK_PB0 0 &pcfg_pull_none>, <1 RK_...
spi5: spi@gpiol { compatible = "spi-gpio"; #address-cells = <1>; gpio-sck = <&gpio0 RK_PB0_GPIO_ACTIVE_LOW>; gpio-miso = <&gpio1 RK_PB0_GPIO_ACTIVE_LOW>; gpio-mosi = <&gpio1 RK_PB1_GPIO_ACTIVE_LOW>; cs-gpios = <&gpio1 RK_PB2_GPIO_ACTIVE_LOW>; num-chipselects...
cs-gpios = <&gpio1 RK_PB2_GPIO_ACTIVE_LOW>; num-chipselects = <1>; pinctrl-names = "default"; pinctrl-0 = <&spi5_gpios>; status = "disabled"; }; 然后对pinctrl节点进行追加,追加内容如下所示: spi5_gpios: gpios { rockchip,pins = <0 RK_PB0 0 &pcfg_pull_none>, <1 RK_...
cs-gpios = <&gpio1 RK_PB2_GPIO_ACTIVE_LOW>; num-chipselects = <1>; pinctrl-names = "default"; pinctrl-0 = <&spi5_gpios>; status = "disabled"; }; 然后对pinctrl节点进行追加,追加内容如下所示: spi5_gpios: gpios { rockchip,pins = <0 RK_PB0 0 &pcfg_pull_none>, <1 RK_...
RK3568 echo设置屏幕背光,一、首先,设置背光:(1)添加设备树节点:compatible:驱动匹配名称;pwm:<pwm选择通道选择频率>;brightness-levels:背光调节等级;default-bightness-level:默认等级;enable-gpios:使能引脚;使能pwm通道。(2)驱动流程分析:驱动文件位
6 GPIO3_A1 SPI1_CS0_M1 3.3V level 7 GPIO3_C1 SPI1_MOSI_M1 3.3V level 8 GND 9 GPIO4_C5 UART9_TX_M1 PWM12_M1 3.3V level 10 GPIO4_C6 UART9_RX_M1 PWM13_M1 3.3V level 11 GPIO3_C4 UART7_TX_M1 PWM14_M0 3.3V level 12 GPIO3_C5 UART7_RX_M1 PWM15_IR_M0 3.3V level...
gpios = <&gpio3 RK_PA1 GPIO_ACTIVE_HIGH>; pinctrl-names ="default"; pinctrl-0= <&mcp2515_reset_pins>; }; mcp251x_clk: mcp251x-clk { compatible ="fixed-clock";#clock-cells = <0>;clock-frequency = <16000000>;//根据MCP2515模块的硬件晶振设置8MHzor16MHz ...
bytes read in 3 ms (46.3 MiB/s)DTB(Distro): rk-kernel.dtbI2c0 speed: 100000Hzvsel-gpios...
[ 2.338675] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: uart_rts_gpios = 73. [ 2.338739] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: BT,reset_gpio = 96. [ 2.338781] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: BT,wake_gpio = 97. [ 2.338820] [...
GP IO4_C4_d PWM12_M1/SPI3_MISO_M1/SATA1_ACT_LED/UART9_TX_M1/I2S3_SDO_M1/GPIO4_C5_d PWM13_M1/SPI3_CS0_M1/SATA0_ACT_LED/UART9_RX_M1/I2S3_SDI_M1/GPIO4_C6_d Func1 GPIO3_C1_d GPIO3_C2_d GPIO3_C3_d GPIO3_C4_d GPIO3_C5_d GPIO3_C6_d GPIO3_C7_d GPIO3_D0_d...