From patchwork Mon Dec 9 04:32:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dharma Balasubiramani X-Patchwork-Id: 13898860 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 55193E77173 for ; Mon, 9 Dec 2024 04:34:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:CC:To:Message-ID: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: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; bh=kaF5tNMBN6R7KAucRu1XrV4n/h7v2QSAKRQ5x5/dKRs=; b=cBYKcpSYaHn0y/EdqU812I4ZhS 4HdfhDM5+xkc0Msgf0riTRHBHA/PelDmAZ459NuJpysiMnL3WNnyGaijVD2uNEWNEuOef7vtpJhQG EiWNTgThB/smSUaoRjQ8vlHFcgeG9BXpxsbYH06495FqYKkCFNJsO8+yNFou9RsSvNQ0hewWVik02 akp3De1fdDIr+pJT577bEZbpwekj1daO+mMRzLJefCX4GHQTORl0GPa18UI8FJ7wGuKsXWVzSISuR XRa4t7nUDA5f6egY58Q0Fi2QVz7FTI4By4oktYprQp/M3HNcAXXzXDTzJglXUftm4DR29KcHDtalu FWcEVA5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tKVTC-00000006Q2l-49Cm; Mon, 09 Dec 2024 04:34:07 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tKVS9-00000006Pvw-30xz for linux-arm-kernel@lists.infradead.org; Mon, 09 Dec 2024 04:33:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1733718781; x=1765254781; h=from:date:subject:mime-version:content-transfer-encoding: message-id:to:cc; bh=LY3RsQ2MtH1nNBWndK3puTnO5aAq4/wJBReWAMNoQbQ=; b=xY6o+J39apQ8OYT2eNLwDvCc4NkyRdPkac9/yTtJViJni63mQgRVRsd/ TN2tV7ZNa4pGj27Qrmjk95+BvH24zJtba2BqEY9Ou+rZRt/yGXCXzPa3N Z+Ajz8HPfXde920TqTiSjv2iIs/PJDFkTMc39SPH5VjmbniujlgsTmNhZ dc9aZaf0njkjAZZriBLJpSC/tfS8aZe3yal5SZxQXr2MBbmVPj+3oH5Ic vMXdS9vfC6SvWhvZmZ0RpNqe00BL/uD/Qa5BLbYfuHqsbW2528iQ7SkJD 6/qNrUQsvLcrlcWdSUiik9uxTLAE+6MfK0z78lcCRmNUWGuUGMCwVoFvZ g==; X-CSE-ConnectionGUID: 72IB33lgRjS11USK+WrWBA== X-CSE-MsgGUID: mBb2+HZpQcCgbtECVkhTjQ== X-IronPort-AV: E=Sophos;i="6.12,218,1728975600"; d="scan'208";a="266487019" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 08 Dec 2024 21:32:59 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Sun, 8 Dec 2024 21:32:38 -0700 Received: from [127.0.0.1] (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Sun, 8 Dec 2024 21:32:34 -0700 From: Dharma Balasubiramani Date: Mon, 9 Dec 2024 10:02:30 +0530 Subject: [PATCH v2] dt-bindings: mmc: atmel,hsmci: Convert to json schema MIME-Version: 1.0 Message-ID: <20241209-hsmci-v2-1-b5a6d7c59b67@microchip.com> X-B4-Tracking: v=1; b=H4sIAN1yVmcC/13MQQ7CIBCF4as0sxZTRpHoynuYLsgwlVlQGjBE0 3B3sUuX/8vLt0HhLFzgNmyQuUqRtPTAwwAU3PJkJb434IhnjaNRoUQSZR2d2F21sdZC/66ZZ3n vzmPqHaS8Uv7sbNW/9V+oWmllHBq+IPqZ/T0K5URB1iOlCFNr7QvoOxkSngAAAA== To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Aubin Constans CC: , , , , Dharma Balasubiramani X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733718754; l=5160; i=dharma.b@microchip.com; s=20240209; h=from:subject:message-id; bh=LY3RsQ2MtH1nNBWndK3puTnO5aAq4/wJBReWAMNoQbQ=; b=wul3xm8moixq7EJMj3Cr78cgKF6RGexFxWRTaDK16ghCA6IYsyHDynh8McreBentzrQrXVIWF 0NkUoX9qcPMAHu4NGQFOig6bdl/dT9XYfkkcU8p9opbEZr+d/vdPwbw X-Developer-Key: i=dharma.b@microchip.com; a=ed25519; pk=kCq31LcpLAe9HDfIz9ZJ1U7T+osjOi7OZSbe0gqtyQ4= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241208_203301_781078_DA8865BE X-CRM114-Status: GOOD ( 16.18 ) 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 atmel,hsmci documentation to yaml format. The new file will inherit from mmc-controller.yaml. Signed-off-by: Dharma Balasubiramani --- Changes in v2: - Drop the duplicate properties in the slot node. - Link to v1: https://lore.kernel.org/r/20241205-hsmci-v1-1-5a25e622dfed@microchip.com --- .../devicetree/bindings/mmc/atmel,hsmci.yaml | 110 +++++++++++++++++++++ .../devicetree/bindings/mmc/atmel-hsmci.txt | 73 -------------- 2 files changed, 110 insertions(+), 73 deletions(-) --- base-commit: feffde684ac29a3b7aec82d2df850fbdbdee55e4 change-id: 20241205-hsmci-7ac3ea915777 Best regards, diff --git a/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml b/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml new file mode 100644 index 000000000000..26686ada6288 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/atmel,hsmci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel High-Speed MultiMedia Card Interface (HSMCI) + +description: + The Atmel HSMCI controller provides an interface for MMC, SD, and SDIO memory + cards. + +maintainers: + - Nicolas Ferre + - Aubin Constans + +allOf: + - $ref: mmc-controller.yaml + +properties: + compatible: + const: atmel,hsmci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + dmas: + maxItems: 1 + + dma-names: + const: rxtx + + clocks: + maxItems: 1 + + clock-names: + const: mci_clk + + "#address-cells": + const: 1 + description: Used for slot IDs. + + "#size-cells": + const: 0 + +patternProperties: + "^slot@[0-9]+$": + type: object + description: A slot node representing an MMC, SD, or SDIO slot. + + allOf: + - $ref: mmc-controller.yaml + + properties: + reg: + description: Slot ID. + minimum: 0 + + required: + - reg + - bus-width + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#address-cells" + - "#size-cells" + +anyOf: + - required: + - slot@0 + - required: + - slot@1 + +unevaluatedProperties: false + +examples: + - | + #include + #include + mmc@f0008000 { + compatible = "atmel,hsmci"; + reg = <0xf0008000 0x600>; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mci0_clk>; + clock-names = "mci_clk"; + #address-cells = <1>; + #size-cells = <0>; + + slot@0 { + reg = <0>; + bus-width = <4>; + cd-gpios = <&pioD 15 0>; + cd-inverted; + }; + + slot@1 { + reg = <1>; + bus-width = <4>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/mmc/atmel-hsmci.txt b/Documentation/devicetree/bindings/mmc/atmel-hsmci.txt deleted file mode 100644 index 07ad02075a93..000000000000 --- a/Documentation/devicetree/bindings/mmc/atmel-hsmci.txt +++ /dev/null @@ -1,73 +0,0 @@ -* Atmel High Speed MultiMedia Card Interface - -This controller on atmel products provides an interface for MMC, SD and SDIO -types of memory cards. - -This file documents differences between the core properties described -by mmc.txt and the properties used by the atmel-mci driver. - -1) MCI node - -Required properties: -- compatible: should be "atmel,hsmci" -- #address-cells: should be one. The cell is the slot id. -- #size-cells: should be zero. -- at least one slot node -- clock-names: tuple listing input clock names. - Required elements: "mci_clk" -- clocks: phandles to input clocks. - -The node contains child nodes for each slot that the platform uses - -Example MCI node: - -mmc0: mmc@f0008000 { - compatible = "atmel,hsmci"; - reg = <0xf0008000 0x600>; - interrupts = <12 4>; - #address-cells = <1>; - #size-cells = <0>; - clock-names = "mci_clk"; - clocks = <&mci0_clk>; - - [ child node definitions...] -}; - -2) slot nodes - -Required properties: -- reg: should contain the slot id. -- bus-width: number of data lines connected to the controller - -Optional properties: -- cd-gpios: specify GPIOs for card detection -- cd-inverted: invert the value of external card detect gpio line -- wp-gpios: specify GPIOs for write protection - -Example slot node: - -slot@0 { - reg = <0>; - bus-width = <4>; - cd-gpios = <&pioD 15 0> - cd-inverted; -}; - -Example full MCI node: -mmc0: mmc@f0008000 { - compatible = "atmel,hsmci"; - reg = <0xf0008000 0x600>; - interrupts = <12 4>; - #address-cells = <1>; - #size-cells = <0>; - slot@0 { - reg = <0>; - bus-width = <4>; - cd-gpios = <&pioD 15 0> - cd-inverted; - }; - slot@1 { - reg = <1>; - bus-width = <4>; - }; -};