From patchwork Wed Sep 22 10:31:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chin-Ting Kuo X-Patchwork-Id: 12510103 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=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 ECED3C433EF for ; Wed, 22 Sep 2021 10:39:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BF6296134F for ; Wed, 22 Sep 2021 10:39:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BF6296134F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aspeedtech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FSE7B/hVcHU69sr5JqIDVDpvKM3Ku+Oeu/USbMxBx78=; b=GAgvT4up0ckzDY 7xdVh1BL0OTK/bb5n7rRHW/RypIugdEEVpo8+DbUgOjwDHNG8assaoiN0f7J7h83VDOVq0BmCfEt4 ZWznDpHdYh1SjnYkE4+WdIkTZ1kUWTG4y7DYrC/Ka81RpJ8opTFHMNWpD+IseIgrHd2vUrZAzpZn5 RBUO3+zICFgzWxfsGXZgXxA7S7a31uq4SMibQjum5mj8egBcdTtm3ToFOgCa4yGEim5n5Nhi2Zrd1 5FJseLWhj/YLuMUM/hsiZ/y+fbQIIHCxgEznwNZAv9huFNTpGGbQK6YSYh4uSFRtApnOVIuUMVIAh 46Bc2VoGuI7JSR3SZpRA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mSzcT-007rIF-1I; Wed, 22 Sep 2021 10:36:54 +0000 Received: from [211.20.114.71] (helo=twspam01.aspeedtech.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mSzYL-007pOH-PL for linux-arm-kernel@lists.infradead.org; Wed, 22 Sep 2021 10:32:39 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 18MAB9Ko012569; Wed, 22 Sep 2021 18:11:09 +0800 (GMT-8) (envelope-from chin-ting_kuo@aspeedtech.com) Received: from localhost.localdomain (192.168.10.9) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Sep 2021 18:31:27 +0800 From: Chin-Ting Kuo To: , , , , , , , , , , , , CC: , Subject: [PATCH 07/10] arm: dts: aspeed: Adjust clock phase parameter Date: Wed, 22 Sep 2021 18:31:13 +0800 Message-ID: <20210922103116.30652-8-chin-ting_kuo@aspeedtech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210922103116.30652-1-chin-ting_kuo@aspeedtech.com> References: <20210922103116.30652-1-chin-ting_kuo@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.9] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 18MAB9Ko012569 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210922_033238_110980_59E804AA X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Change clock phase degree for AST2600 EVB. These parameter has been verified with 100MHz clock frequency for eMMC and SD controllers. Signed-off-by: Chin-Ting Kuo --- arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts | 8 ++++++++ arch/arm/boot/dts/aspeed-ast2600-evb.dts | 9 ++++++--- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts b/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts index dd7148060c4a..2d83617dc436 100644 --- a/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts +++ b/arch/arm/boot/dts/aspeed-ast2600-evb-a1.dts @@ -13,3 +13,11 @@ }; /delete-node/ &sdc; + +&emmc_controller { + max-tap-delay = <706>; +}; + +&emmc { + clk-phase-mmc-hs200 = <0 13>, <1 103>; +}; diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts index 4551dba499c2..f728b9d9b4cf 100644 --- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts +++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts @@ -143,13 +143,15 @@ &emmc_controller { status = "okay"; + /* Measured value with *handwave* environmentals and static loading */ + max-tap-delay = <736>; }; &emmc { non-removable; bus-width = <4>; max-frequency = <100000000>; - clk-phase-mmc-hs200 = <9>, <225>; + clk-phase-mmc-hs200 = <0 27>, <1 95>; }; &rtc { @@ -260,6 +262,7 @@ &sdc { status = "okay"; + max-tap-delay = <9000>; }; /* @@ -287,7 +290,7 @@ sdhci,wp-inverted; vmmc-supply = <&vcc_sdhci0>; vqmmc-supply = <&vccq_sdhci0>; - clk-phase-sd-hs = <7>, <200>; + clk-phase-uhs-sdr50 = <0 130>, <0 238>; }; &sdhci1 { @@ -300,5 +303,5 @@ sdhci,wp-inverted; vmmc-supply = <&vcc_sdhci1>; vqmmc-supply = <&vccq_sdhci1>; - clk-phase-sd-hs = <7>, <200>; + clk-phase-uhs-sdr50 = <0 130>, <0 130>; };