From patchwork Tue Dec 13 08:24:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 13071792 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 255A4C4332F for ; Tue, 13 Dec 2022 08:31:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qHyPKFJQYmKtZd+Mi45bCTZVkH3lj+CVFh4MxmvTu+0=; b=gdatT8htPXhkVj cSb2Y3a1yvEU4SjOssI+zGRKutlnQSunYMkidWAOzXl3Md/pApNWyCdT4n/K8+SGrjPHR+njDSE9/ 7zH7MHJlB1R6hptO3RlOmHmElKXWEXhlEz8FHf3SmtJiXqyyjN5zJTEPo2pphQOv5kJd//i+nT8Ch LYNMf8Tvx4nxGU2oHS9yBLt6iGOWEHebJn5+z1E784uIhde2WQlgTRS9EhyMRGWWTxUZ8CjFeM1FL qFTDWKx9c0ECTIf6Iy2DuwokZL7Z7RfzRNsn+QW5aNeyHVwNN7Ku1uOfgIVjSU/yQoNEMKt2evGIt Tcxhmtkb/N4Q4vc0UIaQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p50g3-00Duvd-44; Tue, 13 Dec 2022 08:30:15 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p50bD-00Dsd0-Fq for linux-arm-kernel@lists.infradead.org; Tue, 13 Dec 2022 08:25:18 +0000 Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 13 Dec 2022 17:25:06 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id 7CBBE2059054; Tue, 13 Dec 2022 17:25:06 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Tue, 13 Dec 2022 17:25:06 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id D6428A855C; Tue, 13 Dec 2022 17:25:05 +0900 (JST) From: Kunihiko Hayashi To: Rob Herring , Krzysztof Kozlowski Cc: Masami Hiramatsu , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v3 17/17] dt-bindings: soc: socionext: Add UniPhier AHCI glue layer Date: Tue, 13 Dec 2022 17:24:49 +0900 Message-Id: <20221213082449.2721-18-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221213082449.2721-1-hayashi.kunihiko@socionext.com> References: <20221213082449.2721-1-hayashi.kunihiko@socionext.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221213_002515_699518_5765B1FC X-CRM114-Status: GOOD ( 15.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add DT binding schema for components belonging to the platform-specific AHCI glue layer implemented in UniPhier SoCs. This AHCI glue layer works as a sideband logic for the host controller, including core reset, PHYs, and some signals to the controller. Signed-off-by: Kunihiko Hayashi Reviewed-by: Krzysztof Kozlowski --- .../socionext,uniphier-ahci-glue.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-ahci-glue.yaml diff --git a/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-ahci-glue.yaml b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-ahci-glue.yaml new file mode 100644 index 000000000000..09f861cc068f --- /dev/null +++ b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-ahci-glue.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-ahci-glue.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier SoC AHCI glue layer + +maintainers: + - Kunihiko Hayashi + +description: |+ + AHCI glue layer implemented on Socionext UniPhier SoCs is a sideband + logic handling signals to AHCI host controller inside AHCI component. + +properties: + compatible: + items: + - enum: + - socionext,uniphier-pro4-ahci-glue + - socionext,uniphier-pxs2-ahci-glue + - socionext,uniphier-pxs3-ahci-glue + - const: simple-mfd + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +patternProperties: + "^reset-controller@[0-9a-f]+$": + $ref: /schemas/reset/socionext,uniphier-glue-reset.yaml# + + "phy@[0-9a-f]+$": + $ref: /schemas/phy/socionext,uniphier-ahci-phy.yaml# + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + sata-controller@65700000 { + compatible = "socionext,uniphier-pxs3-ahci-glue", "simple-mfd"; + reg = <0x65b00000 0x400>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x65700000 0x100>; + + reset-controller@0 { + compatible = "socionext,uniphier-pxs3-ahci-reset"; + reg = <0x0 0x4>; + clock-names = "link"; + clocks = <&sys_clk 28>; + reset-names = "link"; + resets = <&sys_rst 28>; + #reset-cells = <1>; + }; + + phy@10 { + compatible = "socionext,uniphier-pxs3-ahci-phy"; + reg = <0x10 0x10>; + clock-names = "link", "phy"; + clocks = <&sys_clk 28>, <&sys_clk 30>; + reset-names = "link", "phy"; + resets = <&sys_rst 28>, <&sys_rst 30>; + #phy-cells = <0>; + }; + };