From patchwork Tue Dec 8 09:54:20 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steffen Trumtrar X-Patchwork-Id: 553848 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6C99814032F for ; Tue, 8 Dec 2015 20:54:40 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933176AbbLHJyi (ORCPT ); Tue, 8 Dec 2015 04:54:38 -0500 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:46733 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933145AbbLHJyf (ORCPT ); Tue, 8 Dec 2015 04:54:35 -0500 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1a6EyW-0008GA-Jd; Tue, 08 Dec 2015 10:54:24 +0100 Received: from str by dude.hi.pengutronix.de with local (Exim 4.86) (envelope-from ) id 1a6Eyg-0008Ix-Db; Tue, 08 Dec 2015 10:54:34 +0100 From: Steffen Trumtrar To: Alessandro Zummo , Alexandre Belloni Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, rtc-linux@googlegroups.com, kernel@pengutronix.de, Steffen Trumtrar Subject: [PATCH v3 1/2] Documentation: devicetree: add epson rx6110 binding Date: Tue, 8 Dec 2015 10:54:20 +0100 Message-Id: <1449568461-26016-1-git-send-email-s.trumtrar@pengutronix.de> X-Mailer: git-send-email 2.6.2 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: str@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the binding documentation for the Epson RX6110 RTC. Acked-by: Rob Herring Signed-off-by: Steffen Trumtrar Reviewed-by: Philipp Zabel Reviewed-by: Philipp Zabel Reviewed-by: Philipp Zabel --- Changes since v2: - removed the size field in i2c binding .../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..71353542a59d --- /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 of the register set of the device + +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; + };