topic Re: T2080 SPI /dev/spi is not creating. in P-Series https://community.nxp.com/t5/P-Series/T2080-SPI-dev-spi-is-not-creating/m-p/711878#M4292 <HTML><HEAD></HEAD><BODY><P>Hello Vidya,</P><P></P><P>SPI is not like I2C, there are not typically SPI devices nodes and the SPI isn't accessed directly by userspace. Each SPI device connect to SPI interface must have a SPI client driver for it.</P><P></P><P>You could refer to drivers/mtd/devices/m25p80.c for SPI device driver development.</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sun, 17 Sep 2017 09:01:03 GMT yipingwang 2017-09-17T09:01:03Z T2080 SPI /dev/spi is not creating. https://community.nxp.com/t5/P-Series/T2080-SPI-dev-spi-is-not-creating/m-p/711877#M4291 <HTML><HEAD></HEAD><BODY><P>Dear All,</P><P></P><P>We are using SDK2.0 to boot T2080RDB, we can see in the kernel log spi memory device is detecting with CS0 and working fine.</P><P></P><P>There are four spi CS is configured in the dts file but there is no /dev/spi device is creating in the linux user space.</P><P></P><P>Please let me know how /dev/spi will create.</P><P></P><P>Thanks,</P><P>Vidya</P></BODY></HTML> Wed, 30 Aug 2017 13:00:06 GMT https://community.nxp.com/t5/P-Series/T2080-SPI-dev-spi-is-not-creating/m-p/711877#M4291 vidyasagartata 2017-08-30T13:00:06Z Re: T2080 SPI /dev/spi is not creating. https://community.nxp.com/t5/P-Series/T2080-SPI-dev-spi-is-not-creating/m-p/711878#M4292 <HTML><HEAD></HEAD><BODY><P>Hello Vidya,</P><P></P><P>SPI is not like I2C, there are not typically SPI devices nodes and the SPI isn't accessed directly by userspace. Each SPI device connect to SPI interface must have a SPI client driver for it.</P><P></P><P>You could refer to drivers/mtd/devices/m25p80.c for SPI device driver development.</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sun, 17 Sep 2017 09:01:03 GMT https://community.nxp.com/t5/P-Series/T2080-SPI-dev-spi-is-not-creating/m-p/711878#M4292 yipingwang 2017-09-17T09:01:03Z