From patchwork Tue Jun 14 00:44:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 9174779 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 EAA6360573 for ; Tue, 14 Jun 2016 00:45:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB6812723E for ; Tue, 14 Jun 2016 00:45:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CFB8A27D45; Tue, 14 Jun 2016 00:45:14 +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 autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 485BE2723E for ; Tue, 14 Jun 2016 00:45:14 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1bCcTi-0003Uk-1A; Tue, 14 Jun 2016 00:45:14 +0000 Received: from lucky1.263xmail.com ([211.157.147.135]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1bCcTf-000282-AO for linux-rockchip@lists.infradead.org; Tue, 14 Jun 2016 00:45:12 +0000 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.157]) by lucky1.263xmail.com (Postfix) with SMTP id CAB49413; Tue, 14 Jun 2016 08:44:47 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 43B171F24C; Tue, 14 Jun 2016 08:44:45 +0800 (CST) X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: kishon@ti.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 619550306S; Tue, 14 Jun 2016 08:44:46 +0800 (CST) From: Shawn Lin To: Kishon Vijay Abraham I Subject: [PATCH v2 1/2] Documentation: bindings: add dt documentation for Rockchip PCIe PHY Date: Tue, 14 Jun 2016 08:44:32 +0800 Message-Id: <1465865072-25833-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160613_174511_708960_58F58AE7 X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Heiko Stuebner , Shawn Lin , Wenrui Li , Doug Anderson , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a binding that describes the Rockchip PCIe PHY found on Rockchip SoCs PCIe interface. Signed-off-by: Shawn Lin --- Changes in v2: - add clk and reset description - remove unit-address .../devicetree/bindings/phy/rockchip-pcie-phy.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt diff --git a/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt new file mode 100644 index 0000000..ad55c67 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/rockchip-pcie-phy.txt @@ -0,0 +1,32 @@ +Rockchip PCIE PHY +----------------------- + +Required properties: + - compatible: rockchip,rk3399-pcie-phy + - #phy-cells: must be 0 + - clocks: Must contain an entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must be "refclk" + - resets: Must contain an entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must be "phy" + +Example: + +grf: syscon@ff770000 { + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + + ... + + pcie-phy: phy { + compatible = "rockchip,rk3399-pcie-phy"; + #phy-cells = <0>; + clocks = <&cru SCLK_PCIEPHY_REF>; + clock-names = "refclk"; + resets = <&cru SRST_PCIEPHY>; + reset-names = "phy"; + }; +}; +