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diff --git a/doc/README.mx31 b/doc/README.mx31 new file mode 100644 index 0000000000..f912b66fed --- /dev/null +++ b/doc/README.mx31 @@ -0,0 +1,19 @@ + +U-Boot for Freescale i.MX31 + +This file contains information for the port of U-Boot to the Freescale +i.MX31 SoC. + +1. CONFIGURATION OPTIONS/SETTINGS +--------------------------------- + +1.1 Configuration of MC13783 SPI bus +------------------------------------ +The power management companion chip MC13783 is connected to the +i.MX31 via an SPI bus. Use the following configuration options +to setup the bus and chip select used for a particular board. + +CONFIG_MC13783_SPI_BUS -- defines the SPI bus the MC13783 is connected to. + Note that 0 is CSPI1, 1 is CSPI2 and 2 is CSPI3. +CONFIG_MC13783_SPI_CS -- define the chip select the MC13783 s connected to. + |