DSC/DVC装置需要低功率、高质量的CODEC装置,以连接至麦克风、喇叭、耳机及A/V输出插孔。NAU8822L能在高成本效益的32导线QFN套件中,将所有这些驱动器及喇叭的前级扩大机、耳机、立体
2016-12-08 16:02
,便于后续代码的开发) 以elf2开发板为例,codec为nau8822。codec nau8822中的 snd_soc_component_driver定义如下 static const struct
2025-02-18 16:26
;pinctrl_i2c2>;status = “okay”; nau8822: nau8822@1a { compatible = \"nuvoton,nau8822\"
2025-02-22 09:05
;pinctrl_i2c2>;status = “okay”; nau8822: nau8822@1a { compatible = \"nuvoton,nau8822\"
2025-02-21 09:16
;; poll-interval = <1000>; }; }; codec设备节点 &i2c3 { status = \"okay\"; nau8822
2025-02-18 16:29
LED驱动芯片MAX8822资料下载内容包括:MAX8822引脚功能MAX8822内部方框MAX8822典型应用电路
2021-03-29 06:17
;; nau8822: nau8822@1a { status = \"okay\"; #sound-dai-cells = <0>; compatible
2025-02-17 22:33
应用程序: M031系列微控制器通过 I2C 接口控制 NAU7802 的示例代码。 此文件介绍如何使用示例代码配置 NAU 7802, 启动 ADC 转换并读取 NAU 7802 的数据
2023-08-22 06:15
RTL8822CS是RTL8822BS的升级版本,BT可以最高支持到BT5.0,分享RTL8822CS模块硬件参考设计指南,希望在集成设计的时候少走弯路
2021-06-30 14:11
修改dts配置文件,以som 256的camera为例,查看实际硬件连接的是i2C3: i2c_gpio0 { status = \"disabled\"; hm1055@24 { compatible = \"himax,hm1055\"; reg = <0x24>; pinctrl-names = \"default\"; pinctrl-0 = < pinctrl_ccap0>; clocks = < clk CCAP0_GATE>; clock-names = \"xclk\"; reset-gpios = < gpiom 1 GPIO_ACTIVE_LOW>; /* PM1 */ powerdown-gpios = < gpiok 8 GPIO_ACTIVE_HIGH>; /* PK8 */ port { hm1055_0: endpoint { remote-endpoint = < ccap0_1>; }; }; }; }; 修改为: i2c3 { status = \"okay\"; pinctrl-names = \"default\"; pinctrl-0 = < pinctrl_i2c3>; hm1055@24 { compatible = \"himax,hm1055\"; reg = <0x24>; pinctrl-names = \"default\"; pinctrl-0 = < pinctrl_ccap0>; clocks = < clk CCAP0_GATE>; clock-names = \"xclk\"; reset-gpios = < gpiom 1 GPIO_ACTIVE_LOW>; /* PM1 */ powerdown-gpios = < gpiok 8 GPIO_ACTIVE_HIGH>; /* PK8 */ port { hm1055_0: endpoint { remote-endpoint = < ccap0_1>; }; }; }; }; 然后增加i2c3相关配置: i2c3 { pinctrl_i2c3: i2c3grp{ nuvoton,pins = , ; }; };
2023-08-18 07:28