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Sat, 3 Mar 2018 17:27:47 -0500 Received: from mail-co1nam03on0131.outbound.protection.outlook.com ([104.47.40.131]:16576 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932850AbeCCW1U (ORCPT ); Sat, 3 Mar 2018 17:27:20 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Geert Uytterhoeven , Simon Horman , Sasha Levin Subject: [PATCH AUTOSEL for 4.15 089/102] arm64: dts: renesas: salvator-common: Add EthernetAVB PHY reset Thread-Topic: [PATCH AUTOSEL for 4.15 089/102] arm64: dts: renesas: salvator-common: Add EthernetAVB PHY reset Thread-Index: AQHTsz54RKJz9PWRZUyNjRCyzR+KYA== Date: Sat, 3 Mar 2018 22:25:01 +0000 Message-ID: <20180303222318.26006-89-alexander.levin@microsoft.com> References: <20180303222318.26006-1-alexander.levin@microsoft.com> In-Reply-To: <20180303222318.26006-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB1067;6:MGe/OL/dfYlV/V9pHFEjEEyYMGX9aQCoRmXv+lZeGP0rkeIkZzhNMmDi1CQ03ZK+tPei/FYH+SmR37amW1hGU37h2Z02Q12gTyxNGUoZs9qBTb+kQ0smEhdB2d3RwEnHhX+oLi4IU7xKIsAN0rHYr1F3RDfMEV2Y2HUUWE1wraPBcD+cpxVfQWpg26VBIp6f3eTdFxXxAdFLlVkIfNXyIkLAwhH/35hg75AkK0LuEElN0wyswb6bFuJvpaqRDqipYpyyrVes55b058p9y3egRdc86TtcBjItEupI7UcRIMZeuFwl5YatqMZBLWRoJNIk31Djt7e/Tw3iJC8Woito0uu8ANG+HAnTDuBpU1IIljOZcuP4Ot0UnBZmK+8JSyzp;5:kIATQ4MLSwaYJPd6KaFmkc8bUE6hT5H+QBZqHT8nHDYgUMw2fCURHSGuZnue+8SFDIEHjfLK7H2n8xKevsWjI+LpIyS8jvOZAxfWYq6gNC0ElFtquCRoeV/RkJTnhmOr1FgTNiQLMh1caSKNd1KgGC7D+qyV28IQNnbqRGts4+U=;24:9DoY4vLSJAilUllc4QpdlrBM75fWRJDUcENioJWH6+UjvnDIiIbdTectynFDCfLJcxEI6UOKF1rT/dv5glEC7+kFHD5MT2EOMPO/Pq/iK/M=;7:n45i2c9dXM84bXf1EJAbO+G8yQMHdJtUN+STOtG33wLa9cnm1nazYpatIFnZGYHytq9ylCrLlggV9imRs7PeEEMF/cb1nT9FAbX4rC1kuAWicQSl+4NfxsI3d8/Em8kD08jf8yeot+mvMbuX8Z7gjGhm+T7pdO3OHP8lBWBayPf+iAwI8Fq5ZQRVRFwizD6RjWaVIo2OBYZWj2K5rj4WwCfvx27Qe9yNuAPIARex0TSTyNd1jHFPbAxa+kvZOq6Q x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: ee16efaa-a6fb-41a3-5a86-08d58155ec86 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB1067; 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x-microsoft-antispam-message-info: L7hhWbzEiy5p1Qz5El+C6FLehMsdH7u2Bda8SbhNkCKsayNUJp2B/Lf7HQxxcsYO/97SE2yyfEa+yMG4qwNj40qZvaOS0Ik3Pap4wqlahOBDJJH5FARnjAvMBPfT6Ciq3NT81vVQDllrB7R2W/fb334OAa2yzCRUjel54dhFe0A= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: ee16efaa-a6fb-41a3-5a86-08d58155ec86 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:25:01.4159 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1067 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Geert Uytterhoeven [ Upstream commit f5bbcd533a9d1af97b8a0862a421bb8455f1bf6d ] Describe the GPIO used to reset the Ethernet PHY for EthernetAVB. This allows the driver to reset the PHY during probe and after system resume. This fixes Ethernet operation after resume from s2ram on Salvator-XS, where the enable pin of the regulator providing PHY power is connected to PRESETn, and PSCI powers down the SoC during system suspend. On Salvator-X, the enable pin is always pulled high, but the driver may still need to reset the PHY if this wasn't done by the bootloader before. Inspired by patches in the BSP for the individual Salvator-X/XS boards by Kazuya Mizuguchi. Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/renesas/salvator-common.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/= boot/dts/renesas/salvator-common.dtsi index dbe2648649db..7c49b3e8c8fb 100644 --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi @@ -263,6 +263,7 @@ reg =3D <0>; interrupt-parent =3D <&gpio2>; interrupts =3D <11 IRQ_TYPE_LEVEL_LOW>; + reset-gpios =3D <&gpio2 10 GPIO_ACTIVE_LOW>; }; }; =20 --=20 2.14.1