From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752225AbaL2S3A (ORCPT ); Mon, 29 Dec 2014 13:29:00 -0500 Received: from mail-pd0-f181.google.com ([209.85.192.181]:61779 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751484AbaL2S26 (ORCPT ); Mon, 29 Dec 2014 13:28:58 -0500 From: Joshua Clayton To: mark.rutland@arm.com Cc: robh+dt@kernel.org, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, a.zummo@towertech.it, grant.likely@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, Joshua Clayton Subject: [PATCH] rtc: rtc-pfc2123: Add support for devicetree Date: Mon, 29 Dec 2014 10:28:46 -0800 Message-Id: <1419877726-8458-1-git-send-email-stillcompiling@gmail.com> X-Mailer: git-send-email 2.1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add compatible string "nxp,rtc-pcf2123" Document the binding Signed-off-by: Joshua Clayton --- Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt | 16 ++++++++++++++++ drivers/rtc/rtc-pcf2123.c | 10 ++++++++++ 2 files changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt diff --git a/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt new file mode 100644 index 0000000..5cbc0b1 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt @@ -0,0 +1,16 @@ +NXP PCF2123 SPI Real Time Clock + +Required properties: +- compatible: should be: "nxp,rtc-pcf2123" +- reg: should be the SPI slave chipselect address + +Optional properties: +- spi-cs-high: PCF2123 needs chipselect high + +Example: + +rtc: nxp,rtc-pcf2123@3 { + compatible = "nxp,rtc-pcf2123" + reg = <3> + spi-cs-high; +}; diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index d1953bb..8a7556c 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include #include @@ -340,10 +341,19 @@ static int pcf2123_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id pcf2123_dt_ids[] = { + { .compatible = "nxp,rtc-pcf2123", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, pcf2123_dt_ids); +#endif + static struct spi_driver pcf2123_driver = { .driver = { .name = "rtc-pcf2123", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(pcf2123_dt_ids), }, .probe = pcf2123_probe, .remove = pcf2123_remove, -- 2.1.0