From patchwork Wed Jan 27 15:08:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aswath Govindraju X-Patchwork-Id: 371723 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, 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 50935C433DB for ; Wed, 27 Jan 2021 15:11:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C0852075A for ; Wed, 27 Jan 2021 15:11:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231153AbhA0PKz (ORCPT ); Wed, 27 Jan 2021 10:10:55 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:44526 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343515AbhA0PKQ (ORCPT ); Wed, 27 Jan 2021 10:10:16 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 10RF8aj4056795; Wed, 27 Jan 2021 09:08:36 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1611760116; bh=8VbVEW4RcQdW1Uw39qIyzCA7fu/2iK2SmYNLQqDOF0U=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Q8sOMWa9XoBscqP21uMhU1Ax3xWx5bcox0bKWmFZs5DJzHCSOfmyPjQOEmZ03xQcg DGfriOTRTZ5uKMvVQCVBcKfkZjc+mMqjKp4GCuF9XQZ+ETX7QPQYBS4+rFo+V/peBT lGRBd0qLqaRlLvsU/IBNjioOtkhMgJZ56Vktl8Cc= 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 10RF8ZCa069364 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 27 Jan 2021 09:08:35 -0600 Received: from DLEE112.ent.ti.com (157.170.170.23) 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 15.1.1979.3; Wed, 27 Jan 2021 09:08:35 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 27 Jan 2021 09:08:35 -0600 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 10RF8IHA064427; Wed, 27 Jan 2021 09:08:31 -0600 From: Aswath Govindraju CC: Vignesh Raghavendra , Lokesh Vutla , Kishon Vijay Abraham I , Faiz Abbas , Aswath Govindraju , Nishanth Menon , Tero Kristo , Rob Herring , , , Subject: [PATCH v3 2/2] arm64: dts: ti: k3-j7200: Add support for higher speed modes in MMCSD subsystems Date: Wed, 27 Jan 2021 20:38:15 +0530 Message-ID: <20210127150815.16991-3-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210127150815.16991-1-a-govindraju@ti.com> References: <20210127150815.16991-1-a-govindraju@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The following speed modes are now supported in J7200 SoC, - HS200 and HS400 modes at 1.8 V card voltage, in MMCSD0 subsystem [1]. - UHS-I speed modes in MMCSD1 subsystem [1]. Add support for UHS-I modes by adding voltage regulator device tree nodes and corresponding pinmux details, to power cycle and voltage switch cards. Also set respective tags in sdhci0 and remove no-1-8-v tag from sdhci1 device tree nodes. [1] - section 12.3.6.1.1 MMCSD Features, in https://www.ti.com/lit/ug/spruiu1a/spruiu1a.pdf Signed-off-by: Aswath Govindraju --- performance test logs using EXT4 filesystem for eMMC HS400 speed mode, https://pastebin.ubuntu.com/p/KFphDYXj93/ performance test logs using EXT4 filesystem for SD SDR104 speed mode, https://pastebin.ubuntu.com/p/GQKtwGT8Qg/ .../dts/ti/k3-j7200-common-proc-board.dts | 31 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 3 +- 2 files changed, 33 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts index 4a7182abccf5..1e1a0022822d 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts @@ -16,6 +16,29 @@ stdout-path = "serial2:115200n8"; bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; + + vdd_mmc1: fixedregulator-sd { + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpios = <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv: gpio-regulator-vdd-sd-dv { + compatible = "regulator-gpio"; + regulator-name = "vdd_sd_dv"; + pinctrl-names = "default"; + pinctrl-0 = <&vdd_sd_dv_pins_default>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + gpios = <&main_gpio0 55 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0 + 3300000 0x1>; + }; }; &wkup_pmx0 { @@ -70,6 +93,12 @@ J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */ >; }; + + vdd_sd_dv_pins_default: vdd_sd_dv_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) SPI0_D1.GPIO0_55 */ + >; + }; }; &wkup_uart0 { @@ -190,6 +219,8 @@ /* SD card */ pinctrl-0 = <&main_mmc1_pins_default>; pinctrl-names = "default"; + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv>; ti,driver-strength-ohm = <50>; disable-wp; }; diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi index 75dffbb26d52..8392d771ef13 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi @@ -534,6 +534,8 @@ ti,trm-icp = <0x8>; bus-width = <8>; mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; dma-coherent; }; @@ -551,7 +553,6 @@ ti,otap-del-sel-sdr50 = <0xc>; ti,otap-del-sel-sdr104 = <0x5>; ti,otap-del-sel-ddr50 = <0xc>; - no-1-8-v; dma-coherent; };