From patchwork Mon Jun 13 09:39:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 9172457 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 9AEBD60573 for ; Mon, 13 Jun 2016 09:43:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B1C1200E7 for ; Mon, 13 Jun 2016 09:43:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7F607265B9; Mon, 13 Jun 2016 09:43:16 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID autolearn=unavailable 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 23F7E200E7 for ; Mon, 13 Jun 2016 09:43:16 +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 1bCONa-0004Co-47; Mon, 13 Jun 2016 09:41:58 +0000 Received: from m50-111.126.com ([123.125.50.111]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1bCONI-0003pH-Qv; Mon, 13 Jun 2016 09:41:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id; bh=LvOJwecUBVsKsMVwex EoFvxYqqjRAb+lDmel1FxA+/4=; b=oHidXdUvqhMIMi0lS+r4hL/nyQkQTMds+o WWePImoSsMOIkJJnw+YNYho4g0LS0UX02+6daNrO2kNbot4j9FZt1DE9di+mHEL8 AE88brtAM+Imtfu8skpnmyAPM6GuFuQvqFsaRjctvXuCLVwCPgA0FfzCmtEb4ejP EO4Mu4JS8= Received: from localhost.localdomain (unknown [103.29.142.67]) by smtp5 (Coremail) with SMTP id jtKowAD3rUtnf15XBVSVAg--.4737S5; Mon, 13 Jun 2016 17:40:02 +0800 (CST) From: Chris Zhong To: dianders@chromium.org, tfiga@chromium.org, heiko@sntech.de, yzq@rock-chips.com, groeck@chromium.org Subject: [v2 PATCH 3/4] Documentation: bindings: add dt documentation for cdn DP controller Date: Mon, 13 Jun 2016 17:39:48 +0800 Message-Id: <1465810789-22303-4-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1465810789-22303-1-git-send-email-zyw@rock-chips.com> References: <1465810789-22303-1-git-send-email-zyw@rock-chips.com> X-CM-TRANSID: jtKowAD3rUtnf15XBVSVAg--.4737S5 X-Coremail-Antispam: 1Uf129KBjvJXoW7tFWUCFWrXFWDCrW8XrWrXwb_yoW5JFWfpw nxCr93XrWkGry7W393Kr18Ar4rGF4kCa18Gr1fJr10yr12yry5ta1akr95XryUGFWxAa42 yr47C348trsFqw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j3NVkUUUUU= X-Originating-IP: [103.29.142.67] X-CM-SenderInfo: p21zt0rjttqiyswou0bp/1tbibROH5FcxqR+R5wAAs7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160613_024141_370543_3182A31C X-CRM114-Status: GOOD ( 10.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , Chris Zhong , linux-arm-kernel@lists.infradead.org, Mark Yao MIME-Version: 1.0 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 This patch adds a binding that describes the cdn DP controller for rk3399. Signed-off-by: Chris Zhong --- Changes in v2: None Changes in v1: - add extcon node description - add #sound-dai-cells description .../bindings/display/rockchip/cdn-dp-rockchip.txt | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt diff --git a/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt new file mode 100644 index 0000000..4a66fc3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt @@ -0,0 +1,62 @@ +Rockchip RK3399 specific extensions to the cdn Display Port +================================ + +Required properties: +- compatible: must be "rockchip,cdn-dp" + +- reg: physical base address of the controller and length + +- clocks: from common clock binding: handle to dp clock. + +- clock-names: from common clock binding: + Required elements: "core_clk" "pclk" "spdif" + +- rockchip,grf: this soc should set GRF regs, so need get grf here. + +- ports: contain a port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + contained 2 endpoints, connecting to the output of vop. + +- phys: from general PHY binding: the phandle for the PHY device. + +- extcon: extcon specifier for the Power Delivery + +- #sound-dai-cells = it must be 1 if your system is using 2 DAIs: I2S, SPDIF + +------------------------------------------------------------------------------- + +Example: + cdn_dp: dp@fec00000 { + compatible = "rockchip,cdn-dp"; + reg = <0x0 0xfec00000 0x0 0x100000>; + interrupts = ; + clocks = <&cru SCLK_DP_CORE>, <&cru PCLK_DP_CTRL>, + <&cru SCLK_SPDIF_REC_DPTX>; + clock-names = "core_clk", "pclk", "spdif"; + phys = <&tcphy0>; + extcon = <&fusb1>; + rockchip,grf = <&grf>; + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + dp_in: port { + #address-cells = <1>; + #size-cells = <0>; + dp_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_dp>; + }; + + dp_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_dp>; + }; + }; + }; + };