i.MX ProcessorsのトピックMMPF0100 in u-boot https://community.nxp.com/t5/i-MX-Processors/MMPF0100-in-u-boot/m-p/422437#M63760 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Below data on i2c in u-boot is from SABRE-SDB but I think it is not from PMIC.</P><P></P><P>=&gt; i2c probe</P><P>Valid chip addresses: 08 48</P><P></P><P>=&gt; i2c md 0x08 0 10</P><P>0000: 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10&nbsp;&nbsp;&nbsp; ................</P><P></P><P>How can access register in PMIC?</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/55672i7A9CC5AB1BEC16BD/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P></BODY></HTML> Tue, 23 Jun 2015 08:20:11 GMT JHY 2015-06-23T08:20:11Z MMPF0100 in u-boot https://community.nxp.com/t5/i-MX-Processors/MMPF0100-in-u-boot/m-p/422437#M63760 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Below data on i2c in u-boot is from SABRE-SDB but I think it is not from PMIC.</P><P></P><P>=&gt; i2c probe</P><P>Valid chip addresses: 08 48</P><P></P><P>=&gt; i2c md 0x08 0 10</P><P>0000: 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10&nbsp;&nbsp;&nbsp; ................</P><P></P><P>How can access register in PMIC?</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/55672i7A9CC5AB1BEC16BD/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P></BODY></HTML> Tue, 23 Jun 2015 08:20:11 GMT https://community.nxp.com/t5/i-MX-Processors/MMPF0100-in-u-boot/m-p/422437#M63760 JHY 2015-06-23T08:20:11Z Re: MMPF0100 in u-boot https://community.nxp.com/t5/i-MX-Processors/MMPF0100-in-u-boot/m-p/422438#M63761 <HTML><HEAD></HEAD><BODY><P>Hi JHY</P><P></P><P>had you implemented patch</P><P></P><P><A href="https://community.nxp.com/thread/322813">I2C command in 2014.01 u-boot on sabresd</A> </P><P></P><P>also could you try exlicitly set address and read data one by one</P><P>(without autoincrementing): i2c md 0x08 0.., i2c md 0x08 1.., i2c md 0x08 2..</P><P></P><P>Best regards</P><P>igor</P></BODY></HTML> Tue, 23 Jun 2015 11:35:32 GMT https://community.nxp.com/t5/i-MX-Processors/MMPF0100-in-u-boot/m-p/422438#M63761 igorpadykov 2015-06-23T11:35:32Z