https://community.nxp.com/t5/i-MX-Processors/I2C-write-code-not-working-in-uboot-imx/m-p/1547978#M197137 <P>I'm porting uboot-imx of i.MX8QXP to add a sequence sending I2C data into IC chips mounted on our custom board.</P><P>I used a I2C API, dm_i2c_reg_write, when I make some code sending I2C data to change register bit field.</P><P>After writing I2C data, there was no change when I read the register on I2C bus.</P><P>What is cause of this problem?<BR />Would you give me some advice?</P> Thu, 03 Nov 2022 01:35:52 GMT rest1132 2022-11-03T01:35:52Z https://community.nxp.com/t5/i-MX-Processors/I2C-write-code-not-working-in-uboot-imx/m-p/1547978#M197137 <P>I'm porting uboot-imx of i.MX8QXP to add a sequence sending I2C data into IC chips mounted on our custom board.</P><P>I used a I2C API, dm_i2c_reg_write, when I make some code sending I2C data to change register bit field.</P><P>After writing I2C data, there was no change when I read the register on I2C bus.</P><P>What is cause of this problem?<BR />Would you give me some advice?</P> Thu, 03 Nov 2022 01:35:52 GMT https://community.nxp.com/t5/i-MX-Processors/I2C-write-code-not-working-in-uboot-imx/m-p/1547978#M197137 rest1132 2022-11-03T01:35:52Z