From patchwork Thu Feb 21 09:50:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 10823429 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 09F9115AC for ; Thu, 21 Feb 2019 09:51:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E67A430304 for ; Thu, 21 Feb 2019 09:51:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E2CF630302; Thu, 21 Feb 2019 09:51:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 80519302F4 for ; Thu, 21 Feb 2019 09:51:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=caZPj40h3bedQe4gg0rC/vi3IrH7Dv1eI3CPcokhaxs=; b=t+gaTufj4PlLm8 OPxxgs3iJ5fGW08fe0ugRMMk4bN03UI+61pjPFVmtyiHi2G+G04vmyDwUdL2DgWp86Kv0fJpOh540 2w/67f4BCZ+tonEXGlb5APi7llrK36/6TxGJ4FC3KClCuYHwcjAqEEuaKaFRAnMi+BZLGtXNFeLv0 uCEN2Ar4mhbqL71kD0PvhADhfPGb7qd2k7N87ylLIbfRRkVqkA8dzU4HzDxaBjlFn2VLXbO6S1x0g TOkLkUTXrggiGG08F9eCFVJCtVCIiV+xCQkQskukYMgLlfFP7oBs8lllEHpC8c2wC3RVU7nmPu3Xj G0VrRKeEg4UEbv60mI9A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwl0P-0000wQ-HJ; Thu, 21 Feb 2019 09:51:01 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwl0L-0000tz-TO for linux-mediatek@lists.infradead.org; Thu, 21 Feb 2019 09:50:59 +0000 X-UUID: 1ccb3d2ec42842fdacaddc9162c8cc3b-20190221 X-UUID: 1ccb3d2ec42842fdacaddc9162c8cc3b-20190221 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 5205469; Thu, 21 Feb 2019 01:50:55 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Feb 2019 01:50:53 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Feb 2019 17:50:45 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 21 Feb 2019 17:50:45 +0800 From: To: , , , Subject: [PATCH v1 1/2] dt-bindings: scsi: ufs: Add document for ufs-mediatek Date: Thu, 21 Feb 2019 17:50:36 +0800 Message-ID: <1550742637-12385-3-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1550742637-12385-1-git-send-email-stanley.chu@mediatek.com> References: <1550742637-12385-1-git-send-email-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190221_015058_095449_C47286FA X-CRM114-Status: GOOD ( 11.07 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wsd_upstream@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, avri.altman@wdc.com, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Stanley Chu Add UFS and UFS PHY node document for Mediatek SoC chips. Signed-off-by: Stanley Chu --- .../devicetree/bindings/ufs/ufs-mediatek.txt | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/ufs/ufs-mediatek.txt diff --git a/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt b/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt new file mode 100644 index 000000000000..c09a4f884bea --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt @@ -0,0 +1,62 @@ +* Mediatek Universal Flash Storage (UFS) Host Controller + +UFS nodes are defined to describe on-chip UFS hardware macro. +Each UFS Host Controller should have its own node. + +UFS PHY nodes are defined to describe on-chip UFS PHY hardware macro. +Each UFS PHY node should have its own node. + +Required properties for UFS nodes: +- compatible : Compatible list, contains the following controller: + "mediatek,ufshci" +- reg : Address and length of the UFS register set. +- interrupt-parent : interrupt device. +- interrupts : interrupt number. +- clocks : List of phandle and clock specifier pairs. +- clock-names : List of clock input name strings sorted in the same + order as the clocks property. "ufs0-clock", "ufs0-unipro-clk" and + "ufs0-mp-clk" are mandatory. +- freq-table-hz : Array of operating frequencies stored in the same + order as the clocks property. If this property is not + defined or a value in the array is "0" then it is assumed + that the frequency is set by the parent clock or a + fixed rate clock source. +- vcc-supply : Power to the UFS device. +- vcc-fixed-regulator: Specify that vcc-supply is a fixed regulator. +- lanes-per-direction: Number of lanes available per direction. Shall be 1. + +Required properties for UFS PHY nodes: +- compatible : Compatible list, contains the following controller: + "mediatek,ufs_mphy" +- reg : Address and length of the UFS PHY register set. + +Example: + + ufshci:ufshci@11270000 { + compatible = "mediatek,ufshci"; + reg = <0 0x11270000 0 0x2300>; + interrupts = ; + + clocks = + <&infracfg_ao INFRACFG_AO_UFS_CG>, + <&infracfg_ao INFRACFG_AO_UNIPRO_SCK_CG>, + <&infracfg_ao INFRACFG_AO_UFS_MP_SAP_BCLK_CG>; + clock-names = + "ufs0-clock", + "ufs0-unipro-clk", + "ufs0-mp-clk"; + freq-table-hz = + <0 0>, + <0 0>, + <0 0>; + + vcc-supply = <&mt_pmic_vemc_ldo_reg>; + vcc-fixed-regulator; + + lanes-per-direction = <1>; + }; + + ufs_mphy@11fa0000 { + compatible = "mediatek,ufs_mphy"; + reg = <0 0x11fa0000 0 0xc000>; + };