From patchwork Mon May 9 01:45:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12843002 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 9AC84C433F5 for ; Mon, 9 May 2022 01:56:04 +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: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:In-Reply-To:References: List-Owner; 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Sun, 08 May 2022 18:54:44 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 8 May 2022 18:45:25 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Mon, 9 May 2022 09:45:24 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 9 May 2022 09:45:23 +0800 From: Chunfeng Yun To: Srinivas Kandagatla , Rob Herring CC: Matthias Brugger , Chunfeng Yun , , , , , , Eddie Hung , Andrew-CT Chen Subject: [PATCH v4] dt-bindings: nvmem: convert mtk-efuse.txt to YAML schema Date: Mon, 9 May 2022 09:45:21 +0800 Message-ID: <20220509014521.10248-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220508_185451_243757_CB261506 X-CRM114-Status: GOOD ( 14.21 ) 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 Convert mtk-efuse.txt to YAML schema mediatek,efuse.yaml Signed-off-by: Chunfeng Yun Reviewed-by: Krzysztof Kozlowski --- v4: fix duplicated unit-address in example; drop reviewed-by Rob, due to changes; v3: add reviewed-by Rob v2: 1. remove description of subnodes which is covered by nvmem.yaml suggested by Rob 2. change the example which is commoner than mt8173's --- .../bindings/nvmem/mediatek,efuse.yaml | 86 +++++++++++++++++++ .../devicetree/bindings/nvmem/mtk-efuse.txt | 43 ---------- 2 files changed, 86 insertions(+), 43 deletions(-) create mode 100644 Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml delete mode 100644 Documentation/devicetree/bindings/nvmem/mtk-efuse.txt diff --git a/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml new file mode 100644 index 000000000000..abb8b85655fe --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/mediatek,efuse.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek efuse device tree bindings + +description: | + MediaTek's efuse is used for storing calibration data, it can be accessed + on ARM devices usiong I/O mapped memory. + +maintainers: + - Andrew-CT Chen + +allOf: + - $ref: "nvmem.yaml#" + +properties: + $nodename: + pattern: "^efuse@[0-9a-f]+$" + + compatible: + oneOf: + - items: + - enum: + - mediatek,mt7622-efuse + - mediatek,mt7623-efuse + - mediatek,mt8173-efuse + - mediatek,mt8192-efuse + - mediatek,mt8195-efuse + - mediatek,mt8516-efuse + - const: mediatek,efuse + - const: mediatek,mt8173-efuse + deprecated: true + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + efuse@11c10000 { + compatible = "mediatek,mt8195-efuse", "mediatek,efuse"; + reg = <0x11c10000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + u3_tx_imp_p0: usb3-tx-imp@184,1 { + reg = <0x184 0x1>; + bits = <0 5>; + }; + u3_rx_imp_p0: usb3-rx-imp@184,2 { + reg = <0x184 0x2>; + bits = <5 5>; + }; + u3_intr_p0: usb3-intr@185 { + reg = <0x185 0x1>; + bits = <2 6>; + }; + comb_tx_imp_p1: usb3-tx-imp@186,1 { + reg = <0x186 0x1>; + bits = <0 5>; + }; + comb_rx_imp_p1: usb3-rx-imp@186,2 { + reg = <0x186 0x2>; + bits = <5 5>; + }; + comb_intr_p1: usb3-intr@187 { + reg = <0x187 0x1>; + bits = <2 6>; + }; + u2_intr_p0: usb2-intr-p0@188,1 { + reg = <0x188 0x1>; + bits = <0 5>; + }; + u2_intr_p1: usb2-intr-p1@188,2 { + reg = <0x188 0x2>; + bits = <5 5>; + }; + }; diff --git a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt b/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt deleted file mode 100644 index 39d529599444..000000000000 --- a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt +++ /dev/null @@ -1,43 +0,0 @@ -= Mediatek MTK-EFUSE device tree bindings = - -This binding is intended to represent MTK-EFUSE which is found in most Mediatek SOCs. - -Required properties: -- compatible: should be - "mediatek,mt7622-efuse", "mediatek,efuse": for MT7622 - "mediatek,mt7623-efuse", "mediatek,efuse": for MT7623 - "mediatek,mt8173-efuse" or "mediatek,efuse": for MT8173 - "mediatek,mt8192-efuse", "mediatek,efuse": for MT8192 - "mediatek,mt8195-efuse", "mediatek,efuse": for MT8195 - "mediatek,mt8516-efuse", "mediatek,efuse": for MT8516 -- reg: Should contain registers location and length -- bits: contain the bits range by offset and size - -= Data cells = -Are child nodes of MTK-EFUSE, bindings of which as described in -bindings/nvmem/nvmem.txt - -Example: - - efuse: efuse@10206000 { - compatible = "mediatek,mt8173-efuse"; - reg = <0 0x10206000 0 0x1000>; - #address-cells = <1>; - #size-cells = <1>; - - /* Data cells */ - thermal_calibration: calib@528 { - reg = <0x528 0xc>; - }; - }; - -= Data consumers = -Are device nodes which consume nvmem data cells. - -For example: - - thermal { - ... - nvmem-cells = <&thermal_calibration>; - nvmem-cell-names = "calibration"; - };