From patchwork Wed Jan 18 05:51:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 9522691 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EF83A6043A for ; Wed, 18 Jan 2017 05:53:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DDE0028526 for ; Wed, 18 Jan 2017 05:53:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D2E3928578; Wed, 18 Jan 2017 05:53:05 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 888AD28526 for ; Wed, 18 Jan 2017 05:53:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cTjB8-0002kE-6H; Wed, 18 Jan 2017 05:53:02 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cTjAK-0001Mu-Pe; Wed, 18 Jan 2017 05:52:14 +0000 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1945513307; Wed, 18 Jan 2017 13:51:46 +0800 Received: from mhfsdcap03.mhfswrd (10.17.3.153) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Wed, 18 Jan 2017 13:51:41 +0800 From: Chunfeng Yun To: Kishon Vijay Abraham I Subject: [PATCH 6/6] dt-bindings: phy-mt65xx-usb: add support for mt2712 platform Date: Wed, 18 Jan 2017 13:51:05 +0800 Message-ID: <1484718665-11584-6-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1484718665-11584-1-git-send-email-chunfeng.yun@mediatek.com> References: <1484718665-11584-1-git-send-email-chunfeng.yun@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-20170117_215213_005590_19AD7780 X-CRM114-Status: GOOD ( 14.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Felipe Balbi , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Chunfeng Yun , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP add a new compatible string for "mt2712", and a new reference clock for SuperSpeed analog phy; Signed-off-by: Chunfeng Yun --- .../devicetree/bindings/phy/phy-mt65xx-usb.txt | 81 +++++++++++++++++--- 1 file changed, 70 insertions(+), 11 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt index 33a2b1e..8f91136 100644 --- a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt +++ b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt @@ -6,19 +6,25 @@ This binding describes a usb3.0 phy for mt65xx platforms of Medaitek SoC. Required properties (controller (parent) node): - compatible : should be one of "mediatek,mt2701-u3phy" + "mediatek,mt2712-u3phy" "mediatek,mt8173-u3phy" - - reg : offset and length of register for phy, exclude port's - register. - clocks : a list of phandle + clock-specifier pairs, one for each entry in clock-names - clock-names : must contain - "u3phya_ref": for reference clock of usb3.0 analog phy. + "u2ref_clk": 48M reference clock of HighSpeed analog phy. + "u3ref_clk": 26M reference clock of SuperSpeed analog phy, + sometimes is 24M, 25M or 27M, depended on platform. Required nodes : a sub-node is required for each port the controller provides. Address range information including the usual 'reg' property is used inside these nodes to describe the controller's topology. +Optional properties (controller (parent) node): + - reg : offset and length of register shared by multiple ports, + exclude port's private register. It is needed on mt2701 + and mt8173, but not on mt2712. + Required properties (port (child) node): - reg : address and length of the register set for the port. - #phy-cells : should be 1 (See second example) @@ -31,21 +37,27 @@ Example: u3phy: usb-phy@11290000 { compatible = "mediatek,mt8173-u3phy"; reg = <0 0x11290000 0 0x800>; - clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>; - clock-names = "u3phya_ref"; + clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>, <&clk26m>; + clock-names = "u2ref_clk", "u3ref_clk"; #address-cells = <2>; #size-cells = <2>; ranges; status = "okay"; - phy_port0: port@11290800 { - reg = <0 0x11290800 0 0x800>; + u2port0: port@11290800 { + reg = <0 0x11290800 0 0x100>; + #phy-cells = <1>; + status = "okay"; + }; + + u3port0: port@11290900 { + reg = <0 0x11290800 0 0x700>; #phy-cells = <1>; status = "okay"; }; - phy_port1: port@11291000 { - reg = <0 0x11291000 0 0x800>; + u2port1: port@11291000 { + reg = <0 0x11291000 0 0x100>; #phy-cells = <1>; status = "okay"; }; @@ -64,7 +76,54 @@ Example: usb30: usb@11270000 { ... - phys = <&phy_port0 PHY_TYPE_USB3>; - phy-names = "usb3-0"; + phys = <&u2port0 PHY_TYPE_USB2>, <&u3port0 PHY_TYPE_USB3>; + phy-names = "usb2-0", "usb3-0"; ... }; + + +Layout differences of banks between mt8173/mt2701 and mt2712 +------------------------------------------------------------- +mt8173 and mt2701: +port offset bank +shared 0x0000 SPLLC + 0x0100 FMREG +u2 port0 0x0800 U2PHY_COM +u3 port0 0x0900 U3PHYD + 0x0a00 U3PHYD_BANK2 + 0x0b00 U3PHYA + 0x0c00 U3PHYA_DA +u2 port1 0x1000 U2PHY_COM +u3 port1 0x1100 U3PHYD + 0x1200 U3PHYD_BANK2 + 0x1300 U3PHYA + 0x1400 U3PHYA_DA +u2 port2 0x1800 U2PHY_COM + ... + +mt2712: +port offset bank +u2 port0 0x0000 MISC + 0x0100 FMREG + 0x0300 U2PHY_COM +u3 port0 0x0700 SPLLC + 0x0800 CHIP + 0x0900 U3PHYD + 0x0a00 U3PHYD_BANK2 + 0x0b00 U3PHYA + 0x0c00 U3PHYA_DA +u2 port1 0x1000 MISC + 0x1100 FMREG + 0x1300 U2PHY_COM +u3 port1 0x1700 SPLLC + 0x1800 CHIP + 0x1900 U3PHYD + 0x1a00 U3PHYD_BANK2 + 0x1b00 U3PHYA + 0x1c00 U3PHYA_DA +u2 port2 0x2000 MISC + ... + + SPLLC shared by u3 ports and FMREG shared by u2 ports on +mt8173/mt2701 are put back into each port; a new bank MISC for +u2 ports and CHIP for u3 ports are added on mt2712.