1*c66ec88fSEmmanuel VadotEpson RX6110 Real Time Clock
2*c66ec88fSEmmanuel Vadot============================
3*c66ec88fSEmmanuel Vadot
4*c66ec88fSEmmanuel VadotThe Epson RX6110 can be used with SPI or I2C busses. The kind of
5*c66ec88fSEmmanuel Vadotbus depends on the SPISEL pin and can not be configured via software.
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel VadotI2C mode
8*c66ec88fSEmmanuel Vadot--------
9*c66ec88fSEmmanuel Vadot
10*c66ec88fSEmmanuel VadotRequired properties:
11*c66ec88fSEmmanuel Vadot  - compatible: should be: "epson,rx6110"
12*c66ec88fSEmmanuel Vadot  - reg : the I2C address of the device for I2C
13*c66ec88fSEmmanuel Vadot
14*c66ec88fSEmmanuel VadotExample:
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel Vadot	rtc: rtc@32 {
17*c66ec88fSEmmanuel Vadot		compatible = "epson,rx6110"
18*c66ec88fSEmmanuel Vadot		reg = <0x32>;
19*c66ec88fSEmmanuel Vadot	};
20*c66ec88fSEmmanuel Vadot
21*c66ec88fSEmmanuel VadotSPI mode
22*c66ec88fSEmmanuel Vadot--------
23*c66ec88fSEmmanuel Vadot
24*c66ec88fSEmmanuel VadotRequired properties:
25*c66ec88fSEmmanuel Vadot  - compatible: should be: "epson,rx6110"
26*c66ec88fSEmmanuel Vadot  - reg: chip select number
27*c66ec88fSEmmanuel Vadot  - spi-cs-high: RX6110 needs chipselect high
28*c66ec88fSEmmanuel Vadot  - spi-cpha: RX6110 works with SPI shifted clock phase
29*c66ec88fSEmmanuel Vadot  - spi-cpol: RX6110 works with SPI inverse clock polarity
30*c66ec88fSEmmanuel Vadot
31*c66ec88fSEmmanuel VadotExample:
32*c66ec88fSEmmanuel Vadot
33*c66ec88fSEmmanuel Vadot	rtc: rtc@3 {
34*c66ec88fSEmmanuel Vadot		compatible = "epson,rx6110"
35*c66ec88fSEmmanuel Vadot		reg = <3>
36*c66ec88fSEmmanuel Vadot		spi-cs-high;
37*c66ec88fSEmmanuel Vadot		spi-cpha;
38*c66ec88fSEmmanuel Vadot		spi-cpol;
39*c66ec88fSEmmanuel Vadot	};
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