From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steffen Trumtrar Subject: [PATCH v2 1/2] Documentation: devicetree: add epson rx6110 binding Date: Tue, 1 Dec 2015 14:48:19 +0100 Message-ID: <1448977700-10924-1-git-send-email-s.trumtrar@pengutronix.de> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alessandro Zummo , Alexandre Belloni Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, Steffen Trumtrar List-Id: devicetree@vger.kernel.org Add the binding documentation for the Epson RX6110 RTC. Signed-off-by: Steffen Trumtrar --- Changes since v1: - added i2c binding - compatible: "epson,rtc-rx6110" -> "epson,rx6110" - fixed typo .../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..8c3d06f117e8 --- /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 : offset and length of the register set for the device + +Example: + + rtc: rtc@32 { + compatible = "epson,rx6110" + reg = <0x32 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; + }; -- 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html