开发板ROC-RK3568-PC的rtc（hym8563ts）设备用不了？

孙帅

1、启动报错：
[    1.375490] rk808-rtc rk808-rtc: device is disabled
[    1.375533] rk808-rtc: probe of rk808-rtc failed with error -22
[    1.376991] fusb302 0-0022: Can't get property of role, set role to default DRP
[    1.386500] fusb302 0-0022: port 0 probe success with role ROLE_MODE_DRP, try_role ROLE_MODE_NONE
[    1.386769] input: Typec_Headphone as /devices/platform/fdd40000.i2c/i2c-0/0-0022/input/input2
[    1.388626] pca953x 1-0021: 1-0021 supply vcc not found, using dummy regulator
[    1.388736] pca953x 1-0021: Linked as a consumer to regulator.0
[    1.388944] pca953x 1-0021: failed reading register
[    1.389029] pca953x 1-0021: Dropping the link to regulator.0
[    1.391312] rtc-hym8563 5-0051: could not init device, -6

2、dev下没有rtc设备

Liuth

用 i2cdetect 查看 i2c5 0x51 位置有没有设备
可能是 rtc 坏了