From nobody Wed Feb 11 06:51:18 2026 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; dkim=fail; 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; dmarc=fail(p=quarantine dis=quarantine) header.from=ti.com ARC-Seal: i=1; a=rsa-sha256; t=1615393246; cv=none; d=zohomail.com; s=zohoarc; b=Z/13Fj1qIh+I8RJxXAQ0SQ4q1UJ/QpWJcVHY5Wmtz3c6l/oqrK+vHoEKxOEtuMz9yHWKAk2FgwigJn82ZaKi/RVqpWqTMbZCkzVCr2loiGPC2R90k1gTexjUhVEi23aOCvk4s1UZ4K8wcvccATgwZfJGAU+NIcgx0DKrdV/SeRM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615393246; h=Content-Type:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Subject:To; bh=brJbN5hY0VNQtCdH8B70Z48CbQBRt0yBGCtP/QfNbX0=; b=cGEI2PI3Em4TL7K1x30KUzkGTGTdxyPa6/hhpnSFkEuOYU2mrXnyAaFOYiFYJKsA41n6rqHlEs44v9AANl0HVSx7/fv9nbau2mH+zSJsIe+BHVlFhqhk5R69nSJ/GeuCuqi/JOxgzGKJRQxoLIj0WE1yEFlmKbcsVgCJ7CF41xg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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; dmarc=fail header.from= (p=quarantine dis=quarantine) header.from= Return-Path: Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mx.zohomail.com with SMTP id 1615393246430666.5282169346244; Wed, 10 Mar 2021 08:20:46 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233317AbhCJQUV (ORCPT ); Wed, 10 Mar 2021 11:20:21 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:53932 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232818AbhCJQTy (ORCPT ); Wed, 10 Mar 2021 11:19:54 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 12AGJmNG001167; Wed, 10 Mar 2021 10:19:48 -0600 Received: from DFLE104.ent.ti.com (dfle104.ent.ti.com [10.64.6.25]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 12AGJmuh082063 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 10 Mar 2021 10:19:48 -0600 Received: from DFLE107.ent.ti.com (10.64.6.28) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 10 Mar 2021 10:19:48 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Wed, 10 Mar 2021 10:19:48 -0600 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12AGJPxu058353; Wed, 10 Mar 2021 10:19:44 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1615393188; bh=brJbN5hY0VNQtCdH8B70Z48CbQBRt0yBGCtP/QfNbX0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Vmy4yd/2OWjjrSv0mKzN9+Jgsc9U7sWTSkFP54qXmm/LSomAuessI4CbPQlnzpgw+ VgYUvGNXIYO7joeQ7U8U9RonLjwOr37wnKuiMojA6jE4XnpKlw7gMLQxT4KNIfC0FU LT7jIdc4qBTOaM/wM0uSYc4nssNYGl96f2NKnPdo= From: Aswath Govindraju CC: Vignesh Raghavendra , Lokesh Vutla , Kishon Vijay Abraham I , , Nishanth Menon , Tero Kristo , Rob Herring , , , Subject: [PATCH v5 3/3] arm64: dts: ti: k3-j7200: Add support for higher speed modes and update delay select values for MMCSD subsystems Date: Wed, 10 Mar 2021 21:49:23 +0530 Message-ID: <20210310161924.22256-4-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210310161924.22256-1-a-govindraju@ti.com> References: <20210310161924.22256-1-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: linux-kernel@vger.kernel.org X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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. Set respective tags in sdhci0 and remove no-1-8-v tag from sdhci1 device tree nodes. Also update the delay values for various speed modes supported, based on the latest J7200 datasheet[2] [1] - section 12.3.6.1.1 MMCSD Features, in https://www.ti.com/lit/ug/spruiu1a/spruiu1a.pdf [2] - https://www.ti.com/lit/ds/symlink/dra821a.pdf Signed-off-by: Aswath Govindraju --- .../dts/ti/k3-j7200-common-proc-board.dts | 42 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 14 ++++++- 2 files changed, 54 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/a= rm64/boot/dts/ti/k3-j7200-common-proc-board.dts index b493f939b09a..6f90c3b1cf45 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 =3D "serial2:115200n8"; bootargs =3D "console=3DttyS2,115200n8 earlycon=3Dns16550a,mmio32,0x0280= 0000"; }; + + vdd_mmc1: fixedregulator-sd { + compatible =3D "regulator-fixed"; + regulator-name =3D "vdd_mmc1"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + enable-active-high; + gpios =3D <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv: gpio-regulator-vdd-sd-dv { + compatible =3D "regulator-gpio"; + regulator-name =3D "vdd_sd_dv"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&vdd_sd_dv_pins_default>; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + gpios =3D <&main_gpio0 55 GPIO_ACTIVE_HIGH>; + states =3D <1800000 0x0 + 3300000 0x1>; + }; }; =20 &wkup_pmx0 { @@ -45,6 +68,13 @@ }; =20 &main_pmx0 { + main_i2c0_pins_default: main-i2c0-pins-default { + pinctrl-single,pins =3D < + J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */ + J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */ + >; + }; + main_i2c1_pins_default: main-i2c1-pins-default { pinctrl-single,pins =3D < J721E_IOPAD(0xdc, PIN_INPUT_PULLUP, 3) /* (U3) ECAP0_IN_APWM_OUT.I2C1_S= CL */ @@ -70,6 +100,12 @@ J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */ >; }; + + vdd_sd_dv_pins_default: vdd_sd_dv_pins_default { + pinctrl-single,pins =3D < + J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) SPI0_D1.GPIO0_55 */ + >; + }; }; =20 &wkup_uart0 { @@ -157,6 +193,10 @@ }; =20 &main_i2c0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&main_i2c0_pins_default>; + clock-frequency =3D <400000>; + exp1: gpio@20 { compatible =3D "ti,tca6416"; reg =3D <0x20>; @@ -206,6 +246,8 @@ /* SD card */ pinctrl-0 =3D <&main_mmc1_pins_default>; pinctrl-names =3D "default"; + vmmc-supply =3D <&vdd_mmc1>; + vqmmc-supply =3D <&vdd_sd_dv>; ti,driver-strength-ohm =3D <50>; disable-wp; }; diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dt= s/ti/k3-j7200-main.dtsi index e60650a62b14..f86c493a44f1 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi @@ -512,11 +512,16 @@ ti,otap-del-sel-mmc-hs =3D <0x0>; ti,otap-del-sel-ddr52 =3D <0x6>; ti,otap-del-sel-hs200 =3D <0x8>; - ti,otap-del-sel-hs400 =3D <0x0>; + ti,otap-del-sel-hs400 =3D <0x5>; + ti,itap-del-sel-legacy =3D <0x10>; + ti,itap-del-sel-mmc-hs =3D <0xa>; ti,strobe-sel =3D <0x77>; + ti,clkbuf-sel =3D <0x7>; ti,trm-icp =3D <0x8>; bus-width =3D <8>; mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; dma-coherent; }; =20 @@ -534,7 +539,12 @@ ti,otap-del-sel-sdr50 =3D <0xc>; ti,otap-del-sel-sdr104 =3D <0x5>; ti,otap-del-sel-ddr50 =3D <0xc>; - no-1-8-v; + ti,itap-del-sel-legacy =3D <0x0>; + ti,itap-del-sel-sd-hs =3D <0x0>; + ti,itap-del-sel-sdr12 =3D <0x0>; + ti,itap-del-sel-sdr25 =3D <0x0>; + ti,clkbuf-sel =3D <0x7>; + ti,trm-icp =3D <0x8>; dma-coherent; }; =20 --=20 2.17.1