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rv1126B Linux6.1 设备树支持dvp接口 适配SC035HGS

  • 2026-03-28 21:00:24
rv1126B Linux6.1 设备树支持dvp接口 适配SC035HGS
1：理解DVP接口的数据通路
dvpCam->rkcif_dvp->rkcif_dvp_sditf->rkisp1_vir
2：确定1126B和sensor的硬件连接
a:rkcif确定
查看pinctrl中rkcif的支持情况，在文件rv1126b-pinctrl.dtsi中查找
这里可以查硬件原理图看看板子上用的是那个
由原理图可知CIF_D1对应的是GPiO6 PA0,pinctrl中rkcif使用的是vi_cifm0_pins
b:在i2c下那个通道挂在确认
从上图可以看出SC233HGS挂在i2c4下
c:数据位，供电，时钟，i2c地址确认
从sensor的原理图
sensor的时钟输入来自sensor板的25M晶振，DVDD(1.5),AVDD(2.8),DOVDD(1.8)来自变压器，只要1126B提供VCC3V3就可以，而且dvp接口中数据是8位数据
由于在原理图中看不出SID0,SID1未配置，驱动需要试I2C addr,也就是0x30,0x31,0x32,0x33;
3：设备树中添加支持dvp接口的代码
a:覆盖vi_cifm0_pins节点
b:启用rkcif和rk_dvp模块
c:i2c4下挂载sc035hgs
4:保存设备树进行编译
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  1. CONNECT:[ UseTime:0.000924s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001820s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000741s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000709s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001742s ]
  6. SELECT * FROM `set` [ RunTime:0.000649s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.002073s ]
  8. SELECT * FROM `article` WHERE `id` = 483643 LIMIT 1 [ RunTime:0.001170s ]
  9. UPDATE `article` SET `lasttime` = 1774712202 WHERE `id` = 483643 [ RunTime:0.001811s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000751s ]
  11. SELECT * FROM `article` WHERE `id` < 483643 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001347s ]
  12. SELECT * FROM `article` WHERE `id` > 483643 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001329s ]
  13. SELECT * FROM `article` WHERE `id` < 483643 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002776s ]
  14. SELECT * FROM `article` WHERE `id` < 483643 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002578s ]
  15. SELECT * FROM `article` WHERE `id` < 483643 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002677s ]
0.199089s