From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752187AbdKIDkx (ORCPT ); Wed, 8 Nov 2017 22:40:53 -0500 Received: from sci-ig2.spreadtrum.com ([222.66.158.135]:61952 "EHLO SHSQR01.spreadtrum.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751495AbdKIDkv (ORCPT ); Wed, 8 Nov 2017 22:40:51 -0500 From: Baolin Wang To: , , , CC: , , , , , Subject: [PATCH v3 1/2] dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation Date: Thu, 9 Nov 2017 11:34:16 +0800 Message-ID: X-Mailer: git-send-email 2.12.2 MIME-Version: 1.0 Content-Type: text/plain X-MAIL: SHSQR01.spreadtrum.com vA93dAJv007646 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the binding documentation for Spreadtrum SC27xx series RTC device. Signed-off-by: Baolin Wang --- Changes since v2: - No updates. Changes since v1: - Use a specific chip name as compatible string. - Remove useless alias. - Add the parent MFD node. --- .../devicetree/bindings/rtc/sprd,sc27xx-rtc.txt | 27 ++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt diff --git a/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt b/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt new file mode 100644 index 0000000..7c170da --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt @@ -0,0 +1,27 @@ +Spreadtrum SC27xx Real Time Clock + +Required properties: +- compatible: should be "sprd,sc2731-rtc". +- reg: address offset of rtc register. +- interrupt-parent: phandle for the interrupt controller. +- interrupts: rtc alarm interrupt. + +Example: + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + spi-max-frequency = <26000000>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + rtc@280 { + compatible = "sprd,sc2731-rtc"; + reg = <0x280>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; + }; + }; -- 1.7.9.5