Message ID | 20231201082045.790478-3-b-kapoor@ti.com |
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State | New |
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[23.128.96.37]) by mx.google.com with ESMTPS id h8-20020a056a00218800b006cba60de063si2897299pfi.22.2023.12.01.00.21.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Dec 2023 00:21:46 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=NDMItuhs; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 73ECD80713DD; Fri, 1 Dec 2023 00:21:09 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377814AbjLAIU5 (ORCPT <rfc822;ruipengqi7@gmail.com> + 99 others); Fri, 1 Dec 2023 03:20:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377801AbjLAIUu (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Fri, 1 Dec 2023 03:20:50 -0500 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CE8C1713; Fri, 1 Dec 2023 00:20:56 -0800 (PST) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 3B18Knm5095593; Fri, 1 Dec 2023 02:20:49 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1701418849; bh=5uOJNsUHlc4wjrOFPnoCuK/E+T4Z/rV/7KRpV9GU1dE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=NDMItuhsaMqBpQrGz9KyJoafIfsptnrulZUDnfyW0hpfJwME4JOjRtxmm7CAlDdVb BrVuNSuSa0TiUVMHgUcSsMwO5f0f/XvCj3ZMHlLwGysUttDePs5tP9igtQWqx8qJZe 3oZPBq9KAYxouGhoTgth/CmNXilErhw9edsdGRdA= Received: from DLEE104.ent.ti.com (dlee104.ent.ti.com [157.170.170.34]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 3B18Kndd023023 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 1 Dec 2023 02:20:49 -0600 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 1 Dec 2023 02:20:49 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Fri, 1 Dec 2023 02:20:49 -0600 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 3B18Kmk2032679; Fri, 1 Dec 2023 02:20:49 -0600 From: Bhavya Kapoor <b-kapoor@ti.com> To: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org> CC: <conor+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>, <robh+dt@kernel.org>, <kristo@kernel.org>, <vigneshr@ti.com>, <nm@ti.com>, <b-kapoor@ti.com> Subject: [PATCH 2/3] arm64: dts: ti: k3-j721s2-main: Add Itap Delay Value For DDR50 speed mode Date: Fri, 1 Dec 2023 13:50:44 +0530 Message-ID: <20231201082045.790478-3-b-kapoor@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231201082045.790478-1-b-kapoor@ti.com> References: <20231201082045.790478-1-b-kapoor@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 01 Dec 2023 00:21:09 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1784067031150122097 X-GMAIL-MSGID: 1784067031150122097 |
Series |
arm64: dts: ti: Add Itap Delay Value For High Speed DDR
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Commit Message
Bhavya Kapoor
Dec. 1, 2023, 8:20 a.m. UTC
DDR50 speed mode is enabled for MMCSD in J721s2 but its Itap Delay
Value is not present in the device tree. Thus, add Itap Delay Value
for MMCSD High Speed DDR which is DDR50 speed mode for J721s2 SoC
according to datasheet for J721s2.
[+] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface, in
J721s2 datasheet
- https://www.ti.com/lit/ds/symlink/tda4vl-q1.pdf
Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
---
arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 1 +
1 file changed, 1 insertion(+)
Comments
Hi Bhavya, On 12/1/23 2:20 AM, Bhavya Kapoor wrote: > DDR50 speed mode is enabled for MMCSD in J721s2 but its Itap Delay > Value is not present in the device tree. Thus, add Itap Delay Value > for MMCSD High Speed DDR which is DDR50 speed mode for J721s2 SoC > according to datasheet for J721s2. > > [+] Refer to : section 7.10.5.17.2 MMC1/2 - SD/SDIO Interface, in > J721s2 datasheet > - https://www.ti.com/lit/ds/symlink/tda4vl-q1.pdf > LGTM Reviewed-by: Judith Mendez <jm@ti.com> > Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> > --- > arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > index b03731b53a26..e1255956288b 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > @@ -766,6 +766,7 @@ main_sdhci1: mmc@4fb0000 { > ti,itap-del-sel-sd-hs = <0x0>; > ti,itap-del-sel-sdr12 = <0x0>; > ti,itap-del-sel-sdr25 = <0x0>; > + ti,itap-del-sel-ddr50 = <0x2>; > ti,clkbuf-sel = <0x7>; > ti,trm-icp = <0x8>; > dma-coherent; ~ Judith
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi index b03731b53a26..e1255956288b 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -766,6 +766,7 @@ main_sdhci1: mmc@4fb0000 { ti,itap-del-sel-sd-hs = <0x0>; ti,itap-del-sel-sdr12 = <0x0>; ti,itap-del-sel-sdr25 = <0x0>; + ti,itap-del-sel-ddr50 = <0x2>; ti,clkbuf-sel = <0x7>; ti,trm-icp = <0x8>; dma-coherent;