From nobody Sat May 10 05:16:54 2025 Delivered-To: importer2@patchew.org Received-SPF: pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; envelope-from=linux-kernel-owner@vger.kernel.org; helo=vger.kernel.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1606897604; cv=none; d=zohomail.com; s=zohoarc; b=mEiVoOmL2fh1csS8pnSrMiWPogT2IXVfL0W6RXZxKWjbvqrhGwqQjMV2r9XwsVYuvO2XFr/afMjNQ8MaHRmfCV1Tc63soVp4YPemDH+z6u2NRXYcU97NtaE0owiDeHrznu3OrI09NkIVf8Ydf9HoIbM/AN00ezP2m9Xs2m6qYsQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1606897604; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Subject:To; bh=D8RhmfjME0ATBNSYe3Vuqikq5tIQi7vayVu4xN9ySSc=; b=giadbUHNBGcp7pQhlrehro6v7WqS/wNR/LoqPjD05yn+7QYcfu33PoRF0VGPlXwBdex4VpjPIGIfLBVBj/4HHg5zcrmAXApcIo7ww2qDu6jGfZFasUXWRbO2F61bs7RMagV9mTEHiUiLWMWVYQNOQVUVi/vqPwyFpaoeV2YOg/w= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mx.zohomail.com with SMTP id 1606897604604364.3240497718821; Wed, 2 Dec 2020 00:26:44 -0800 (PST) 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) 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) X-Virus-Scanned: Debian amavisd-new at gtsys.com.hk 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: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 applie= d. - 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. =20 Example: =20 --=20 2.20.1