From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D744EC10F14 for ; Thu, 3 Oct 2019 13:04:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ACCFE2133F for ; Thu, 3 Oct 2019 13:04:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730329AbfJCNEP convert rfc822-to-8bit (ORCPT ); Thu, 3 Oct 2019 09:04:15 -0400 Received: from hermes.aosc.io ([199.195.250.187]:58025 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730251AbfJCNEO (ORCPT ); Thu, 3 Oct 2019 09:04:14 -0400 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 6FBCB8236F; Thu, 3 Oct 2019 13:04:12 +0000 (UTC) Date: Thu, 03 Oct 2019 21:04:03 +0800 In-Reply-To: <20191003114733.56mlar666l76uoyb@gilmour> References: <20191003064527.15128-1-jagan@amarulasolutions.com> <20191003064527.15128-5-jagan@amarulasolutions.com> <20191003114733.56mlar666l76uoyb@gilmour> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Subject: Re: [PATCH v11 4/7] dt-bindings: sun6i-dsi: Add VCC-DSI supply property To: linux-arm-kernel@lists.infradead.org, Maxime Ripard , Jagan Teki CC: devicetree@vger.kernel.org, David Airlie , linux-sunxi , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Chen-Yu Tsai , Daniel Vetter , michael@amarulasolutions.com From: Icenowy Zheng Message-ID: <0086CD40-F161-4B33-8D76-8DCA20E7DB07@aosc.io> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 于 2019年10月3日 GMT+08:00 下午7:47:33, Maxime Ripard 写到: >On Thu, Oct 03, 2019 at 12:15:24PM +0530, Jagan Teki wrote: >> Allwinner MIPI DSI controllers are supplied with SoC DSI >> power rails via VCC-DSI pin. >> >> Some board still work without supplying this but give more >> faith on datasheet and hardware schematics and document this >> supply property in required property list. >> >> Reviewed-by: Rob Herring >> Tested-by: Merlijn Wajer >> Signed-off-by: Jagan Teki >> --- >> .../bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml | 3 >+++ >> 1 file changed, 3 insertions(+) >> >> diff --git >a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >> index 47950fced28d..9d4c25b104f6 100644 >> --- >a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >> +++ >b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >> @@ -36,6 +36,9 @@ properties: >> resets: >> maxItems: 1 >> >> + vcc-dsi-supply: >> + description: VCC-DSI power supply of the DSI encoder >> + > >The driver treats it as mandatory, so I've added it to the binding, as >suggested by the commit log. No. The regulator_get function will return dummy regulator, rather than fail, if the regulator is not specified. > >Maxime -- 使用 K-9 Mail 发送自我的Android设备。