Epson RX6110 Real Time Clock ============================ The Epson RX6110 can be used with SPI or I2C busses. The kind of bus depends on the SPISEL pin and can not be configured via software. I2C mode -------- Required properties: - compatible: should be: "epson,rx6110" - reg : the I2C address of the device for I2C Example: rtc: rtc@32 { compatible = "epson,rx6110" reg = <0x32>; }; SPI mode -------- Required properties: - compatible: should be: "epson,rx6110" - reg: chip select number - spi-cs-high: RX6110 needs chipselect high - spi-cpha: RX6110 works with SPI shifted clock phase - spi-cpol: RX6110 works with SPI inverse clock polarity Example: rtc: rtc@3 { compatible = "epson,rx6110" reg = <3> spi-cs-high; spi-cpha; spi-cpol; };