From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752308AbeCOQZf (ORCPT ); Thu, 15 Mar 2018 12:25:35 -0400 Received: from h1.radempa.de ([176.9.142.194]:52224 "EHLO mail.cosmopool.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752087AbeCOQZa (ORCPT ); Thu, 15 Mar 2018 12:25:30 -0400 From: Harald Geyer To: Maxime Ripard , Chen-Yu Tsai Cc: Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Andre Przywara , Icenowy Zheng , info@olimex.com, Harald Geyer Subject: [PATCHv2 2/5] arm64: dts: allwinner: a64: Add watchdog Date: Thu, 15 Mar 2018 16:25:07 +0000 Message-Id: <20180315162510.11669-3-harald@ccbib.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180315162510.11669-1-harald@ccbib.org> References: <20180315162510.11669-1-harald@ccbib.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a watchdog node for the A64, automatically enabled on all boards. Since the device is compatible with an existing driver, we only reserve a new compatible string to be used together with the fall back. Tested on Olimex Teres-I. Signed-off-by: Harald Geyer --- changes since v1: * add and use a specific compatible string Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt | 6 ++++-- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 7 +++++++ 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt index 62dd5baad70e..04fc368d828f 100644 --- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt @@ -2,8 +2,10 @@ Allwinner SoCs Watchdog timer Required properties: -- compatible : should be either "allwinner,sun4i-a10-wdt" or - "allwinner,sun6i-a31-wdt" +- compatible : should be one of + "allwinner,sun4i-a10-wdt" + "allwinner,sun6i-a31-wdt" + "allwinner,sun50i-a64-wdt","allwinner,sun6i-a31-wdt" - reg : Specifies base physical address and size of the registers. Example: diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 64e452a758fa..8401e7f887ff 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -665,5 +665,12 @@ #address-cells = <1>; #size-cells = <0>; }; + + wdt0: watchdog@1c20ca0 { + compatible = "allwinner,sun50i-a64-wdt", + "allwinner,sun6i-a31-wdt"; + reg = <0x01c20ca0 0x20>; + interrupts = ; + }; }; }; -- 2.11.0