1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/iio/ep93xx_adc.rst
7 司延腾 Yanteng Si <siyanteng@loongson.cn>
11 ==================================
13 ==================================
18 该驱动同时适用于具有5通道模拟数字转换器的低端 (EP9301, Ep9302) 设备和10通道
19 触摸屏/模拟数字转换器的高端设备(EP9307, EP9312, EP9315)。
24 EP9301和EP9302数据表定义了通道0..4的编号方案。虽然EP9307, EP9312和EP9315多
25 了3个通道(一共8个),但是编号并没有定义。所以说最后三个通道是随机编号的。
27 如果ep93xx_adc是IIO设备0,您将在以下位置找到条目
28 /sys/bus/iio/devices/iio:device0/:
30 +-----------------+---------------+
31 | sysfs 入口 | ball/pin 名称 |
32 +=================+===============+
33 | in_voltage0_raw | YM |
34 +-----------------+---------------+
35 | in_voltage1_raw | SXP |
36 +-----------------+---------------+
37 | in_voltage2_raw | SXM |
38 +-----------------+---------------+
39 | in_voltage3_raw | SYP |
40 +-----------------+---------------+
41 | in_voltage4_raw | SYM |
42 +-----------------+---------------+
43 | in_voltage5_raw | XP |
44 +-----------------+---------------+
45 | in_voltage6_raw | XM |
46 +-----------------+---------------+
47 | in_voltage7_raw | YP |
48 +-----------------+---------------+