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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 6FA7CC64E7C for ; Wed, 2 Dec 2020 08:26:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E17422203 for ; Wed, 2 Dec 2020 08:26:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387710AbgLBI0L (ORCPT ); Wed, 2 Dec 2020 03:26:11 -0500 Received: from server-x.ipv4.hkg02.ds.network ([27.111.83.178]:49120 "EHLO mail.gtsys.com.hk" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1726148AbgLBI0L (ORCPT ); Wed, 2 Dec 2020 03:26:11 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.gtsys.com.hk (Postfix) with ESMTP id B6F6D200D28A; Wed, 2 Dec 2020 16:25:24 +0800 (HKT) X-Virus-Scanned: Debian amavisd-new at gtsys.com.hk Received: from mail.gtsys.com.hk ([127.0.0.1]) by localhost (mail.gtsys.com.hk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OEkpvfX_SFVv; Wed, 2 Dec 2020 16:25:24 +0800 (HKT) Received: from s01.gtsys.com.hk (unknown [10.128.4.2]) by mail.gtsys.com.hk (Postfix) with ESMTP id 9CB72200D287; Wed, 2 Dec 2020 16:25:24 +0800 (HKT) Received: from armhf2.gtsys.com.hk (unknown [10.128.4.15]) by s01.gtsys.com.hk (Postfix) with ESMTP id 9486AC019F3; Wed, 2 Dec 2020 16:25:24 +0800 (HKT) Received: by armhf2.gtsys.com.hk (Postfix, from userid 1000) id 93BA8200756; Wed, 2 Dec 2020 16:25:24 +0800 (HKT) From: Chris Ruehl Cc: devicetree@vger.kernel.org, Chris Ruehl , Kishon Vijay Abraham I , Vinod Koul , Rob Herring , Heiko Stuebner , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH 2/2] devicetree: phy: rockchip-emmc add output-tapdelay-select Date: Wed, 2 Dec 2020 16:25:07 +0800 Message-Id: <20201202082507.3536-3-chris.ruehl@gtsys.com.hk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201202082507.3536-1-chris.ruehl@gtsys.com.hk> References: <20201202082507.3536-1-chris.ruehl@gtsys.com.hk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update the rockchip-emmc-phy.txt and add the u32 property 'output-tapdelay-select'. This allow to set the otapdlysec register. Tested with our customized rk3399 board to tune eMMC. Signed-off-by: Chris Ruehl --- Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt index 3e4d2d79a65d..00aa2d349e55 100644 --- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt +++ b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt @@ -18,6 +18,9 @@ Optional properties: If not set, the default value of 50 will be applied. - enable-strobe-pulldown: Enable internal pull-down for the strobe line. If not set, pull-down is not used. + - output-tapdelay-select: Specifies the phyctrl_otapdlysec register. + If not set, the register defaults to 0x4. + Maximum value 0xf. Example: -- 2.20.1