From patchwork Sun Jan 9 14:56:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gabriel L. Somlo" X-Patchwork-Id: 530891 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 525C0C433F5 for ; Sun, 9 Jan 2022 14:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235874AbiAIO4t (ORCPT ); Sun, 9 Jan 2022 09:56:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235845AbiAIO4r (ORCPT ); Sun, 9 Jan 2022 09:56:47 -0500 Received: from mail-qt1-x834.google.com (mail-qt1-x834.google.com [IPv6:2607:f8b0:4864:20::834]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB0A6C061751; Sun, 9 Jan 2022 06:56:46 -0800 (PST) Received: by mail-qt1-x834.google.com with SMTP id f17so9213795qtf.8; Sun, 09 Jan 2022 06:56:46 -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=jzGV7VYBk0j14T6Qcu245zlbmVPGTLkhIeoiqo+RDYM=; b=BXXcKQRb3LqFEZEGp6dkyl74u82WqLrnkQYQHeNazbMYZnWeOHYWBsCKNv0429Okxn Jv3u3+ozUqTruygmGnaDVwodEkEzRUrTEghNNRqz1RKykzal3wrCkiSHz4pB2e4iA5/E VDJ2r8AZrkmRbEcCaUCGSR5BU4zdhTnXCWThbVkmia2V4WGkuvLsWUSM9XYuJrZefE3w SgoguBr1ZaZ/OVe38VBEIrC0lSB87X4MN7jLU3h08Hk4m0TYjsMAGhSZGrOeGiAiE5kU Al5jgMLx35L8dyj2MwQn8u3vFCMhdS1WLoagrIUQoTmg6lvp+hj0NPcXEYoW0Dpgj4CY jJNQ== 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=jzGV7VYBk0j14T6Qcu245zlbmVPGTLkhIeoiqo+RDYM=; b=o45vwzA4SQaoy6Pvs7ZvfRVM7TlvO6Z/1Znj87ZzpDV7aiGT9f1SvTSPNyFmDrVHc1 rpTn6K4+F+xC2fQAifsB7t/TvEPzksNTWv/31pltYbMi9O0TplTTbSRfh2ipLHwvYIAD +VxdwXFzsqjo5QFhLXE2xWBRfwiTq1SvGJ+cvtsSh3/52eWp6XocnHTIG0R4BByarYLW YkvSRdzxsRBLtGYOPLwU5gK3LZH/kgN6TDjvhkTLgzzxHgpdks22nL9RmiZKi10dWwYK qn90+8tWkrpg3t6lu42bbCj3qXlqPNLlyDD8RcsHeBKl+cRARIe0LsauZpxnoFEXJBnN jNnA== X-Gm-Message-State: AOAM5326OiX3jMgRdVjAMXJlcBgS/7thdWzJDJepDvkZSnAsKuOpF7lH VzUdPGIeTPfqvqzY6Uo7EB8OUe25OEpiWA== X-Google-Smtp-Source: ABdhPJzwD5OAe7TsZNIhHz78QSE9dBnG40OYj+uQghFAUog560pErDr2jV9V046X/Vq3UVBeLWLw4A== X-Received: by 2002:a05:622a:1044:: with SMTP id f4mr16408912qte.494.1641740205622; Sun, 09 Jan 2022 06:56:45 -0800 (PST) Received: from glsvmlin.ini.cmu.edu (GLSVMLIN.INI.CMU.EDU. [128.2.16.9]) by smtp.gmail.com with ESMTPSA id j22sm420341qko.117.2022.01.09.06.56.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Jan 2022 06:56:45 -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, rdunlap@infradead.org, andy.shevchenko@gmail.com, hdanton@sina.com Subject: [PATCH v10 2/3] dt-bindings: mmc: Add bindings for LiteSDCard Date: Sun, 9 Jan 2022 09:56:36 -0500 Message-Id: <20220109145637.2506583-3-gsomlo@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220109145637.2506583-1-gsomlo@gmail.com> References: <20220109145637.2506583-1-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 SoCs. Signed-off-by: Gabriel Somlo Reviewed-by: Geert Uytterhoeven Reviewed-by: Rob Herring Reviewed-by: Joel Stanley --- .../devicetree/bindings/mmc/litex,mmc.yaml | 72 +++++++++++++++++++ 1 file changed, 72 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..f57cf42b8db7 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml @@ -0,0 +1,72 @@ +# 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 + minItems: 4 + + reg-names: + items: + - const: phy + - const: core + - const: reader + - const: writer + - const: irq + minItems: 4 + + clocks: + maxItems: 1 + description: + Handle to reference clock. + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - clocks + +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"; + clocks = <&reference_clk>; + interrupts = <4>; + };