From patchwork Wed Feb 12 09:22:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dharma Balasubiramani X-Patchwork-Id: 865442 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (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 62AD72080D5; Wed, 12 Feb 2025 09:23:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.154.123 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739352194; cv=none; b=W4/IIJzZOjr+vdbE2BUnO2sXDeAOQd8VpJOfSH9OyFZNsuXQmHHfhkuy0cTDNX7INpvH+I2g9OGhOHmqDsImimG+z+DjBi+PyFlExXtJy89+fYLK4+zBoIzlPij7RIFiObM2nW3LOdiSi+/tSmiHSOKMflLflSW7o8K/Rig8pgk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739352194; c=relaxed/simple; bh=A1lTgaCSCPH+LFYIcMVq6NgsuaXTkZ36T56r0CfFEyU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=AkVnrfo3ipLsp2nL+nL1fLLvi6f+NbxmDkfMKZp/60SaqhhUxPl8ai0nw47LKBxJlrIseEr4VKMrh/6qPksraOwL0+0swoSCUPEAfRoYahBY5YrTXionc/s9cWaxNlfsszPpk7knq1K8kYa4R3aNYA3HwoUBCSOsQtZHxQxrQ88= 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=FgKCuSl0; arc=none smtp.client-ip=68.232.154.123 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="FgKCuSl0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1739352192; x=1770888192; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=A1lTgaCSCPH+LFYIcMVq6NgsuaXTkZ36T56r0CfFEyU=; b=FgKCuSl0mJhSoQ1wIGRf0gLBr4IQSLVtoXEaSB1a/FncVqG45VJPANed r3dj+MaUHEBqBr3GMq5b8ykX67JsPRoel3DxRMJDeJ+rzS4a9MDnzJclV xEiID50ZjBh6699qmSQoB4lDPl/bADqTUetEhhKlBK9p5OTQlhRZvEtKQ df3Q1wldG5fDklGd6IyT1CcaI1fkFut8/1rNvwn7UwtDG4qiDRlJW5p5q vXDVVczyd7SROrHyiGGNmh/he/h5e7Y2AQikeawYYNI+djlTw4G+v/phO iKTQSvZoucQnSclOFV22JvJ22xapxTp4na78zYf1RRnWBhxveAmx3gsdH w==; X-CSE-ConnectionGUID: Im7caqcMRgeiMBKdbNTopA== X-CSE-MsgGUID: Ydz9VnPsRnKzfMIBBjCRkg== X-IronPort-AV: E=Sophos;i="6.13,279,1732604400"; d="scan'208";a="37190268" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 12 Feb 2025 02:23:03 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) 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; Wed, 12 Feb 2025 02:22:33 -0700 Received: from [127.0.0.1] (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Wed, 12 Feb 2025 02:22:28 -0700 From: Dharma Balasubiramani Date: Wed, 12 Feb 2025 14:52:11 +0530 Subject: [PATCH v3 2/2] 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: <20250212-mmc-slot-v3-2-2bf288207040@microchip.com> References: <20250212-mmc-slot-v3-0-2bf288207040@microchip.com> In-Reply-To: <20250212-mmc-slot-v3-0-2bf288207040@microchip.com> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Kevin Hilman , Jerome Brunet , "Martin Blumenstingl" CC: , , , , , Dharma Balasubiramani X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1739352136; l=4768; i=dharma.b@microchip.com; s=20240209; h=from:subject:message-id; bh=A1lTgaCSCPH+LFYIcMVq6NgsuaXTkZ36T56r0CfFEyU=; b=Lcp/a3O6yv2QXnNOK3V/BtiNINsPT6P7qaEjWrE56J8XikZUjIugwaqJ43z6SzQYhqTQKUE30 oVJfL27sDDBClvHBJjSY45HEGAHzmAEoUQ7mDXNEORYqUgBDn0+Uiws 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 --- .../devicetree/bindings/mmc/atmel,hsmci.yaml | 106 +++++++++++++++++++++ .../devicetree/bindings/mmc/atmel-hsmci.txt | 73 -------------- 2 files changed, 106 insertions(+), 73 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml b/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml new file mode 100644 index 000000000000..feaa98e44955 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/atmel,hsmci.yaml @@ -0,0 +1,106 @@ +# 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: + - $ref: mmc-controller.yaml + +properties: + compatible: + const: atmel,hsmci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + dmas: + maxItems: 1 + + dma-names: + const: rxtx + + clocks: + maxItems: 1 + + clock-names: + const: mci_clk + + "#address-cells": + const: 1 + description: Used for slot IDs. + + "#size-cells": + const: 0 + +patternProperties: + "^slot@[0-9]+$": + $ref: mmc-slot.yaml + description: A slot node representing an MMC, SD, or SDIO slot. + + properties: + reg: + enum: [0, 1] + + 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>; - }; -};