From patchwork Wed Dec 7 13:17:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 13067118 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 59ED2C4708E for ; Wed, 7 Dec 2022 13:18:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0MzNaWWpB79NdJBgV7CW4B5I7l47D5bNYW5c44bp6iw=; b=QKkXmcxgpMoDff bpI7dwopF0J/fP4V7xBbcbr+oBrYahMcq3rUQYQIndJXrslllUP/PzM8Isv78j5pSWvB7Fy0nMkw6 WlhcBCxPe5DADjXjk/Yu/7xLbQ+ssc4kKFBWi4j/Rm2HMJ0/FoNBCGjO8z2T2pw0VOP/3OlA4CZcd cSCcX0XuIElSn8Xj7d7YZAMwkhFn5d2Rmo5wl6IZ675/wGnCg75OcfWss3joCoIsJvlHsv9/j6GI8 lX3tAaz0Hlxd7KLqVVEFfTnfccd744q08CgMunt13NEHFSC11iW/eZ35DqKNPzRXClfsplP1ztt33 XpflkmlcoNGyj+yp7wVA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2uJU-003HXH-18; Wed, 07 Dec 2022 13:18:16 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2uJN-003Gat-Te for linux-riscv@lists.infradead.org; Wed, 07 Dec 2022 13:18:11 +0000 Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id AA3AB24E2AA; Wed, 7 Dec 2022 21:17:33 +0800 (CST) Received: from EXMBX068.cuchost.com (172.16.6.68) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 7 Dec 2022 21:17:33 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX068.cuchost.com (172.16.6.68) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 7 Dec 2022 21:17:32 +0800 From: William Qiu To: , , CC: Rob Herring , Krzysztof Kozlowski , Jaehoon Chung , Ulf Hansson , William Qiu , Subject: [PATCH v1 1/3] dt-bindings: mmc: Add bindings for StarFive Date: Wed, 7 Dec 2022 21:17:29 +0800 Message-ID: <20221207131731.1291517-2-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221207131731.1291517-1-william.qiu@starfivetech.com> References: <20221207131731.1291517-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX068.cuchost.com (172.16.6.68) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221207_051810_264483_79B0452D X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add documentation to describe StarFive designware mobile storage host controller driver. Signed-off-by: William Qiu --- .../bindings/mmc/starfive,jh7110-sdio.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml diff --git a/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml b/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml new file mode 100644 index 000000000000..4f27ef3cf4f3 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/starfive,jh7110-sdio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive Designware Mobile Storage Host Controller + +description: + StarFive uses the Synopsys designware mobile storage host controller + to interface a SoC with storage medium such as eMMC or SD/MMC cards. + +allOf: + - $ref: "synopsys-dw-mshc-common.yaml#" + +maintainers: + - William Qiu + +properties: + compatible: + const: starfive,jh7110-sdio + + reg: + maxItems: 1 + + clocks: + minItems: 1 + items: + - description: biu clock + - description: ciu clock + + clock-names: + minItems: 1 + items: + - const: biu + - const: ciu + + interrupts: + maxItems: 1 + + starfive,sys-syscon: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + The desired number of times that the host execute tuning when needed. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include + #include + mmc@16010000 { + compatible = "starfive,jh7110-sdio"; + reg = <0x16010000 0x10000>; + clocks = <&syscrg JH7110_SYSCLK_SDIO0_AHB>, + <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>; + clock-names = "biu","ciu"; + resets = <&syscrg JH7110_SYSRST_SDIO0_AHB>; + reset-names = "reset"; + interrupts = <74>; + fifo-depth = <32>; + fifo-watermark-aligned; + data-addr = <0>; + };