From patchwork Wed Jan 20 08:19:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steen Hegelund X-Patchwork-Id: 367266 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=-16.6 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 7294BC433DB for ; Wed, 20 Jan 2021 08:22:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2792923131 for ; Wed, 20 Jan 2021 08:22:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730323AbhATIVT (ORCPT ); Wed, 20 Jan 2021 03:21:19 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:4817 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730526AbhATIUr (ORCPT ); Wed, 20 Jan 2021 03:20:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1611130847; x=1642666847; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lIVXiYfF1ZAAiHw/fch8Q+/D+WuN/BFANz4ZM0AO5Ic=; b=amWeTR2L0su++ZX0kqRPeO/1M7Uex35WwpOln9NhhQrhzaCRNxcZdZet MjCV+pJ72Vy8JW5IjMd5mTABH1dzJtksFfyTLv5IoRWjoIlvbwuxUiaKP D+v3mlnUXKdYRjasRD7Nso5eU1aq2hl9uBBBM1oVgL/z3iZJN+mc/tt8s MW4bKm+nFOoIVN1ReucwC1Bk4Ga3D+1HqL71Nxr/TpYS6/HDK064GP2TL aHgAxIZWnREvl99DYG1tdOBcoAF9S3iezvK/4UbXPY11Z08JF051h0hli cGg/OpZWEXR/mivcD3N3qX8AXUecJswFxad2OJDdAOH4cVbkK3vmZaFz9 g==; IronPort-SDR: 4403iNUNK90EPytwP7Ki8SipcpnhxEWZCrnV6NwVvXU1EzrUeJxL71pvv4Ace2hcibU3E5BmH2 7vCsJM4u9HKHEwPxr8qiMb83roTrdOejVpZYMUtKoBXLZ8+dxOHPxQfLOEtwh3a2zAXgJIPDe2 1an5i47RbAQ1Dr0lsswN0KeqKt6XrKFfVQQDkk7PLjxKqJ2yNXsIOH1JT6o+yJsXCY2T4jxZ/f hQuwbu0gtPzc3q6bORAjSJBnw5kbODXFcLv23OGYMxSvLWcWZVJkWLhIoyUtyEbZ3qQ4M4N8R1 mfc= X-IronPort-AV: E=Sophos;i="5.79,360,1602572400"; d="scan'208";a="106602461" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Jan 2021 01:19:31 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Wed, 20 Jan 2021 01:19:31 -0700 Received: from mchp-dev-shegelun.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Wed, 20 Jan 2021 01:19:29 -0700 From: Steen Hegelund To: Philipp Zabel , Rob Herring CC: Steen Hegelund , Andrew Lunn , Microchip Linux Driver Support , Alexandre Belloni , Gregory Clement , , , Subject: [PATCH v4 1/3] dt-bindings: reset: microchip sparx5 reset driver bindings Date: Wed, 20 Jan 2021 09:19:19 +0100 Message-ID: <20210120081921.3315847-2-steen.hegelund@microchip.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210120081921.3315847-1-steen.hegelund@microchip.com> References: <20210120081921.3315847-1-steen.hegelund@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the Sparx5 reset device driver bindings The driver uses two syscons on sparx5 for access to the reset control and the reset status. Signed-off-by: Steen Hegelund --- .../bindings/reset/microchip,rst.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/microchip,rst.yaml diff --git a/Documentation/devicetree/bindings/reset/microchip,rst.yaml b/Documentation/devicetree/bindings/reset/microchip,rst.yaml new file mode 100644 index 000000000000..af01016e246f --- /dev/null +++ b/Documentation/devicetree/bindings/reset/microchip,rst.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/reset/microchip,rst.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Microchip Sparx5 Switch Reset Controller + +maintainers: + - Steen Hegelund + - Lars Povlsen + +description: | + The Microchip Sparx5 Switch provides reset control and implements the following + functions + - One Time Switch Core Reset (Soft Reset) + +properties: + $nodename: + pattern: "^reset-controller@[0-9a-f]+$" + + compatible: + const: microchip,sparx5-switch-reset + + reg: + maxItems: 1 + + "#reset-cells": + const: 1 + + cpu-syscon: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: syscon used to access CPU reset + maxItems: 1 + + gcb-syscon: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: syscon used to access Global Control Block + maxItems: 1 + +required: + - compatible + - reg + - "#reset-cells" + - cpu-syscon + - gcb-syscon + +additionalProperties: false + +examples: + - | + reset: reset-controller@0 { + compatible = "microchip,sparx5-switch-reset"; + reg = <0x0 0x0>; + #reset-cells = <1>; + cpu-syscon = <&cpu_ctrl>; + gcb-syscon = <&gcb_ctrl>; + }; + From patchwork Wed Jan 20 08:19:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steen Hegelund X-Patchwork-Id: 368180 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=-16.6 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=ham 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 975D5C433E0 for ; Wed, 20 Jan 2021 08:22:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 499172313A for ; Wed, 20 Jan 2021 08:22:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730144AbhATIVs (ORCPT ); Wed, 20 Jan 2021 03:21:48 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:10949 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730889AbhATIVQ (ORCPT ); Wed, 20 Jan 2021 03:21:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1611130876; x=1642666876; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VNLrzjgoabE8/kewp0resFlpEskWy7DNy5ntsw+R3ns=; b=C+bMEw3KE+TeS8GObf02kFYdQNzqVFVoymTZCzcBFsu4k/9z9WTyN1d9 exwy4P1FpgNizmU/LOtS/HO7QprfxAojQoWlwqgIeErL3gH9qMPiz1UOQ GBQ5PCp+GXCvqOLnb0UbmqqfKAKtVZ/vLc5pUdG67NOuEEp1lcBTLpZPH tZoGJc2yGvQs8GTFojd9vsFWBA49u2mp44fSXf9lf04XF3YU1ZAuXG1vu lEcQBy7lGrvaAI/w3x6M73bdbaxr9lIFZjvi3gzMZilRY4uYdQmU3+MzM VmS1JhsKwle7PWAD7NoD89dngWb6xNTJpU8mc/NDBSSdH0I01D1gjAh6j Q==; IronPort-SDR: ej0lc+9QZlL8fcZ2/QYpWfNXzGIXe3o0KeV7cJMDx7ASJ9xUVYIYPSni6FXDx5hHyrCYNlrfGB FKZrLjK7axkgUbwLJz41hCislhGUV8XsgPTpePbbhJ6DbbgECkTgauxxs1LkliM53oqjaHa/Z5 OE1hJrZ0SojkPXhtyb1Z1hLHrJbUZENR9uloFiJrvo0wYDo11aMky1EvXF+v17mMNN+R1YpBBp xnON19sKb9NYjau9YRTcLp0VhDPkc1DseaOaTrqevfIONlFhLKdI+GLRW+dHEIC30aoxHbAgrg n8A= X-IronPort-AV: E=Sophos;i="5.79,360,1602572400"; d="scan'208";a="106072383" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Jan 2021 01:19:37 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Wed, 20 Jan 2021 01:19:35 -0700 Received: from mchp-dev-shegelun.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Wed, 20 Jan 2021 01:19:33 -0700 From: Steen Hegelund To: Philipp Zabel , Rob Herring CC: Steen Hegelund , Andrew Lunn , Microchip Linux Driver Support , Alexandre Belloni , Gregory Clement , , , Subject: [PATCH v4 3/3] arm64: dts: reset: add microchip sparx5 switch reset driver Date: Wed, 20 Jan 2021 09:19:21 +0100 Message-ID: <20210120081921.3315847-4-steen.hegelund@microchip.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210120081921.3315847-1-steen.hegelund@microchip.com> References: <20210120081921.3315847-1-steen.hegelund@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This provides reset driver support for the Microchip Sparx5 PCB134 and PCB135 reference boards. Signed-off-by: Steen Hegelund --- arch/arm64/boot/dts/microchip/sparx5.dtsi | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index 380281f312d8..4edbb9fcdce0 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -132,9 +132,17 @@ mux: mux-controller { }; }; - reset@611010008 { - compatible = "microchip,sparx5-chip-reset"; - reg = <0x6 0x11010008 0x4>; + gcb_ctrl: syscon@611010000 { + compatible = "microchip,sparx5-gcb-syscon", "syscon"; + reg = <0x6 0x11010000 0x10000>; + }; + + reset: reset-controller@0 { + compatible = "microchip,sparx5-switch-reset"; + reg = <0x6 0x0 0x0>; + #reset-cells = <1>; + cpu-syscon = <&cpu_ctrl>; + gcb-syscon = <&gcb_ctrl>; }; uart0: serial@600100000 {