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: 13898859 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 696CB14F126; Mon, 9 Dec 2024 04:33:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733718789; cv=none; b=LkpU3vdOQwGMHMuKjI1kxEFghxIpHQrVxEWfhcifiwhAebh6nyB6Hk5EhxEt2XB9ZeCGIrz4e9c6Oc1DCh8vZ031bG5DkNQ26hZbrBZ91ZB/GSBA4TRepZkjAuM29EMDivC2CbcPRbNZ0PH23qUxrXQ9VgxDsswwQTR8De4xi/8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733718789; c=relaxed/simple; bh=LY3RsQ2MtH1nNBWndK3puTnO5aAq4/wJBReWAMNoQbQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:To:CC; b=TFSlMyRLs8xXyYneANjtB0FYm4WeT8fT+c+rbdjt6xQSl1WYfg1C2tZ/2N+Ika4Td5gKCHnXFPHGI+D0woo1TDf3R+/EgOUyG5NwDAwrpPErQUh0NTmXg2amx9uHMdet8ZK3VpyeX5tBu28S3PWpbAhcNrWEHQpLoLSQJFICqDY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=qw1cQJyo; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="qw1cQJyo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1733718787; x=1765254787; h=from:date:subject:mime-version:content-transfer-encoding: message-id:to:cc; bh=LY3RsQ2MtH1nNBWndK3puTnO5aAq4/wJBReWAMNoQbQ=; b=qw1cQJyoXBKw+95R2p3TmCjFBwtofEGky32W79h70xOxWBWhhxPpMe/a Exu16o98/oHzqkX3buRFUnNkTMqeo4LqpD8z0+D/2X/oWy1MCgRq9g1PR DxuaWzMJZQWo2tYVyWEFGLE7McOQFlVc9F88ZicRpzUoOl+uctRdvk/UC 20pXwWWged4JtAZ88CFRIiOB0L8ElIy3cnYByXqHJpHRU2eqUZ03l5RRX Z+CHUx+SCZaid6/i8lHkdlezUnpBTfbahvrwObPLf5Sdkhg9mP8DNTGmX 0VBBkiCLpjkEM8dX6rVrpW9Pgur+nn/3kYZ8DV03AlkCWoL2rLzf4MVOm w==; 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 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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= 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>; - }; -};