From patchwork Fri Dec 3 23:41:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gabriel L. Somlo" X-Patchwork-Id: 521156 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA604C433EF for ; Fri, 3 Dec 2021 23:42:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1383484AbhLCXpd (ORCPT ); Fri, 3 Dec 2021 18:45:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37924 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383461AbhLCXpc (ORCPT ); Fri, 3 Dec 2021 18:45:32 -0500 Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85756C061751; Fri, 3 Dec 2021 15:42:07 -0800 (PST) Received: by mail-qk1-x72e.google.com with SMTP id t6so5199140qkg.1; Fri, 03 Dec 2021 15:42:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=e/2fR1DEOwOnIt2ZN3aYDVK8fDwuingfzb4Dn02cKyM=; b=nnYYpI7XjfqpEZC7AA0w2KHysPOE5nBf2GzVzmS14fwR+Q9Wy7Y5v+0f16RVGwmOTx nxMZSGg7dveoJnZjAF0t6lZzfWZyxbb2qOWNOz4O5kPs6ScXoQLnhViW0qmx5vRVbdKL FhmGuQqL5RvlTIt7YtfeGwxolvzfNQhqV0oy00OLLO7xxx1t3NgGxLJ+64fXH7Aur0vF r1USO+/bKjOY3yXErxInIVvRjqimY2XUZ+bwCDXerYk4Nr+h1jKi8PgYwoqJTwe2/H9B zpsyOW+Zh3583X0s3mv9Tfc4DyA9VqyAKVCBpAP6bnebLsjqkknRI+ZZApz1i1xqGnvN nHbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=e/2fR1DEOwOnIt2ZN3aYDVK8fDwuingfzb4Dn02cKyM=; b=5Li/Fr2m096UPUqPIJS2vz/HlbL9+guTf1P3TnBGtwpA2DsdmFj/wTb1kv2jlKZ++R 50R8K6EvB32av1l1vnrR8BgVFv6qfctKSewjxQlShefsfUMnXGLoP6Gj6iaxc2tz4elL gRtBr9+0Qy/ue8RdhSwIuP+U2dDun+gMUzXlXMsA9ZGMjX1ZyknDZR7oZhsIKzSA3ZUJ o5lCf8Ad3edmkoF1ga5P6RzwHeYfKMzoKVdBxGM+UnfHkinswXCU+39B7n3WB7EQy+31 rkiJoCm2jjZJUieLM8aKS3zw+trW97F8WMB1a3IRzUHVuRjzuZ0TDcZu2qCrqjPEjy0k mQ5Q== X-Gm-Message-State: AOAM530h4SZOItA6ColawTKX8tItavr13GFL0TL3fu8YgqnWtMQwjx5E XYbUJL4a/iAUxH+RBcUi+UthaL5G1S8= X-Google-Smtp-Source: ABdhPJxFONJ+yJdEZXZXdoTdA75IudsESdaGdl6A/tPTw9tzAc05ZLTu4sSSbHm8J/BkuO0uPzPDOg== X-Received: by 2002:a05:620a:240d:: with SMTP id d13mr20346021qkn.638.1638574926492; Fri, 03 Dec 2021 15:42:06 -0800 (PST) Received: from glsvmlin.ini.cmu.edu (GLSVMLIN.INI.CMU.EDU. [128.2.16.9]) by smtp.gmail.com with ESMTPSA id d15sm3495111qtd.70.2021.12.03.15.42.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Dec 2021 15:42:06 -0800 (PST) From: Gabriel Somlo To: linux-kernel@vger.kernel.org Cc: robh+dt@kernel.org, devicetree@vger.kernel.org, ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, kgugala@antmicro.com, mholenko@antmicro.com, krakoczy@antmicro.com, mdudek@internships.antmicro.com, paulus@ozlabs.org, joel@jms.id.au, shorne@gmail.com, geert@linux-m68k.org, david.abdurachmanov@sifive.com, florent@enjoy-digital.fr Subject: [PATCH v1 2/3] dt-bindings: mmc: Add bindings for LiteSDCard Date: Fri, 3 Dec 2021 18:41:54 -0500 Message-Id: <20211203234155.2319803-3-gsomlo@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211203234155.2319803-1-gsomlo@gmail.com> References: <20211203234155.2319803-1-gsomlo@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org LiteSDCard is a small footprint, configurable SDCard core for FPGA based system on chips. Signed-off-by: Gabriel Somlo --- .../devicetree/bindings/mmc/litex,mmc.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/litex,mmc.yaml diff --git a/Documentation/devicetree/bindings/mmc/litex,mmc.yaml b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml new file mode 100644 index 000000000000..edc5ab7f359b --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/litex,mmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LiteX LiteSDCard device + +maintainers: + - Gabriel Somlo + +description: | + LiteSDCard is a small footprint, configurable SDCard core for FPGA based + system on chips. + + The hardware source is Open Source and can be found on at + https://github.com/enjoy-digital/litesdcard/. + +allOf: + - $ref: mmc-controller.yaml# + +properties: + compatible: + const: litex,mmc + + reg: + items: + - description: PHY registers + - description: CORE registers + - description: DMA Reader buffer + - description: DMA Writer buffer + - description: IRQ registers + + reg-names: + items: + - const: phy + - const: core + - const: reader + - const: writer + - const: irq + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + mmc: mmc@12005000 { + compatible = "litex,mmc"; + reg = <0x12005000 0x100>, + <0x12003800 0x100>, + <0x12003000 0x100>, + <0x12004800 0x100>, + <0x12004000 0x100>; + reg-names = "phy", "core", "reader", "writer", "irq"; + interrupts = <4>; + };