From patchwork Wed May 4 12:43:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 9013851 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 451769F1C1 for ; Wed, 4 May 2016 12:46:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5AB3720373 for ; Wed, 4 May 2016 12:46:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5761C2038F for ; Wed, 4 May 2016 12:46:14 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1axwAW-0007ts-52; Wed, 04 May 2016 12:44:44 +0000 Received: from mailout3.w1.samsung.com ([210.118.77.13]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1axwAK-0007li-4X for linux-arm-kernel@lists.infradead.org; Wed, 04 May 2016 12:44:33 +0000 Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout3.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0O6N00DHBKPKSH80@mailout3.w1.samsung.com> for linux-arm-kernel@lists.infradead.org; Wed, 04 May 2016 13:44:08 +0100 (BST) X-AuditID: cbfec7f5-f792a6d000001302-1e-5729ee988d46 Received: from eusync3.samsung.com ( [203.254.199.213]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id D2.F2.04866.89EE9275; Wed, 4 May 2016 13:44:08 +0100 (BST) Received: from AMDC2174.DIGITAL.local ([106.120.53.17]) by eusync3.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O6N0058YKPHGA30@eusync3.samsung.com>; Wed, 04 May 2016 13:44:08 +0100 (BST) From: Krzysztof Kozlowski To: Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/3] ARM: dts: exynos: Define vqmmc for eMMC card on Odroid X/X2/U3 Date: Wed, 04 May 2016 14:43:59 +0200 Message-id: <1462365840-27406-2-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1462365840-27406-1-git-send-email-k.kozlowski@samsung.com> References: <1462365840-27406-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprOLMWRmVeSWpSXmKPExsVy+t/xq7oz3mmGG5x5b2qxccZ6Vov5R86x Wrx5u4bJ4vULQ4v+x6+ZLTY9vsZqcXnXHDaLGef3MTlweGxa1cnmsXlJvceW/rvsHn1bVjF6 fN4kF8AaxWWTkpqTWZZapG+XwJXx4/tx5oLHChVHeg+zNDCekupi5OSQEDCR2DV9NROELSZx 4d56ti5GLg4hgaWMEo1b/rFDOI1MEku2zmcDqWITMJbYvHwJWJWIwE1GiR0rjzODJJgFciX+ 7bsAZHNwCAtESFw9WQ4SZhFQldjXsIsFxOYVcJf4dm4WI8Q2OYmTxyazgticAh4SNxZOYwex hYBqnl/ewDaBkXcBI8MqRtHU0uSC4qT0XCO94sTc4tK8dL3k/NxNjJDg+rqDcekxq0OMAhyM Sjy8L7w1w4VYE8uKK3MPMUpwMCuJ8DIDQ1OINyWxsiq1KD++qDQntfgQozQHi5I478xd70OE BNITS1KzU1MLUotgskwcnFINjB4X0jTnnjjZG3Hv7wbWaa4/+Lh31cRvWfE97Ir6FqUP6UXH tp5YYH9+t7RNeO6rmH0S9fLbsvjv3L/udUtuwoJg45CeHPOE9ZZHjTdXaT9Lm14/xSCZve73 pSkift/sm7dd0z0RKSC3JH3vxSW2k7Z8ueLmcKjoY3XzrAh1pWVyEyc+6orLK1diKc5INNRi LipOBADZhzXhKgIAAA== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160504_054432_363056_31F79BE4 X-CRM114-Status: GOOD ( 17.17 ) X-Spam-Score: -9.0 (---------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Javier Martinez Canillas , Bartlomiej Zolnierkiewicz MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The eMMC card vmmc-supply contained incorrectly two regulators: LDO20 and buck8. The second one is ignored. Additionally the buck8 is a vqmmc supply only on X and X2. On U3 the buck8 is providing power to the LAN (SMSC95xx) so instead the LDO22 should be used. Fix this by defining proper vmmc and vqmmc supplies for respective boards. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Javier Martinez Canillas --- Changes since v2: 1. Add Javier's tag. 2. Apply Javier's feedback: remove the regulator constraints (min/max volts) from common DTS. Changes since v1: 1. buck8 is used on X/X2 so differentiate the configuration (hint by Tobias Jakobi). --- arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 17 ++++++++++++++--- arch/arm/boot/dts/exynos4412-odroidu3.dts | 18 ++++++++++++++++++ arch/arm/boot/dts/exynos4412-odroidx.dts | 11 +++++++++++ arch/arm/boot/dts/exynos4412-odroidx2.dts | 11 +++++++++++ 4 files changed, 54 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index 3d0d44581fbd..7485ce8a6fb3 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -347,6 +347,15 @@ regulator-boot-on; }; + ldo22_reg: LDO22 { + /* + * Only U3 uses it, so let it define the + * constraints + */ + regulator-name = "LDO22"; + regulator-boot-on; + }; + ldo25_reg: LDO25 { regulator-name = "VDDQ_LCD_1.8V"; regulator-min-microvolt = <1800000>; @@ -410,9 +419,11 @@ }; buck8_reg: BUCK8 { + /* + * Constraints set by specific board: X, + * X2 and U3. + */ regulator-name = "BUCK8_2.8V"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; }; }; }; @@ -456,7 +467,7 @@ &mshc_0 { pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; pinctrl-names = "default"; - vmmc-supply = <&ldo20_reg &buck8_reg>; + vmmc-supply = <&ldo20_reg>; mmc-pwrseq = <&emmc_pwrseq>; status = "okay"; diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts index dd89f7b37c9f..d73aa6c58fe3 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -69,6 +69,24 @@ }; }; +/* Supply for LAN9730/SMSC95xx */ +&buck8_reg { + regulator-name = "BUCK8_P3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; +}; + +/* VDDQ for MSHC (eMMC card) */ +&ldo22_reg { + regulator-name = "LDO22_VDDQ_MMC4_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; +}; + +&mshc_0 { + vqmmc-supply = <&ldo22_reg>; +}; + &pwm { pinctrl-0 = <&pwm0_out>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts index bf7b21b817e4..2af235151301 100644 --- a/arch/arm/boot/dts/exynos4412-odroidx.dts +++ b/arch/arm/boot/dts/exynos4412-odroidx.dts @@ -63,12 +63,23 @@ }; }; +/* VDDQ for MSHC (eMMC card) */ +&buck8_reg { + regulator-name = "BUCK8_VDDQ_MMC4_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; +}; + &ehci { port@1 { status = "okay"; }; }; +&mshc_0 { + vqmmc-supply = <&buck8_reg>; +}; + &pinctrl_1 { gpio_home_key: home_key { samsung,pins = "gpx2-2"; diff --git a/arch/arm/boot/dts/exynos4412-odroidx2.dts b/arch/arm/boot/dts/exynos4412-odroidx2.dts index 6e33678562ae..3e3584270e00 100644 --- a/arch/arm/boot/dts/exynos4412-odroidx2.dts +++ b/arch/arm/boot/dts/exynos4412-odroidx2.dts @@ -22,6 +22,17 @@ }; }; +/* VDDQ for MSHC (eMMC card) */ +&buck8_reg { + regulator-name = "BUCK8_VDDQ_MMC4_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; +}; + +&mshc_0 { + vqmmc-supply = <&buck8_reg>; +}; + &sound { simple-audio-card,name = "Odroid-X2"; simple-audio-card,widgets =