From cfe941628a04b572b0dba7a20fd4570edad74c81 Mon Sep 17 00:00:00 2001 From: Steffen Trumtrar Date: Mon, 4 Jan 2016 18:04:34 +0100 Subject: Documentation: devicetree: add epson rx6110 binding Add the binding documentation for the Epson RX6110 RTC. Acked-by: Rob Herring Reviewed-by: Philipp Zabel Signed-off-by: Steffen Trumtrar Signed-off-by: Alexandre Belloni --- .../devicetree/bindings/rtc/epson,rx6110.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/epson,rx6110.txt diff --git a/Documentation/devicetree/bindings/rtc/epson,rx6110.txt b/Documentation/devicetree/bindings/rtc/epson,rx6110.txt new file mode 100644 index 000000000000..3dc313e01f77 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/epson,rx6110.txt @@ -0,0 +1,39 @@ +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; + }; -- cgit v1.2.3