From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752741AbcFCPu5 (ORCPT ); Fri, 3 Jun 2016 11:50:57 -0400 Received: from m50-112.126.com ([123.125.50.112]:35006 "EHLO m50-112.126.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751143AbcFCPuy (ORCPT ); Fri, 3 Jun 2016 11:50:54 -0400 X-Greylist: delayed 1872 seconds by postgrey-1.27 at vger.kernel.org; Fri, 03 Jun 2016 11:50:52 EDT From: Chris Zhong To: dianders@chromium.org, tfiga@chromium.org, heiko@sntech.de, yzq@rock-chips.com Cc: linux-rockchip@lists.infradead.org, Chris Zhong , Mark Yao , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [v1 PATCH 3/4] Documentation: bindings: add dt documentation for cdn DP controller Date: Fri, 3 Jun 2016 23:15:10 +0800 Message-Id: <1464966911-18949-4-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1464966911-18949-1-git-send-email-zyw@rock-chips.com> References: <1464966911-18949-1-git-send-email-zyw@rock-chips.com> X-CM-TRANSID: j9KowAA3pmF6n1FXuvuJAA--.1790S5 X-Coremail-Antispam: 1Uf129KBjvJXoW7tFWUCFWrWr1rWF18Wry7trb_yoW5JFy8pw nxCr93XrWkGry7Wws3Kr18Ar4rGF4kCa1UGr1fJr10yr12yry5ta1akr95XryUGFW8Aa42 yr47C348trsFqw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jauWJUUUUU= X-Originating-IP: [211.97.105.9] X-CM-SenderInfo: p21zt0rjttqiyswou0bp/1tbi7g195FWnjijBkQAAs+ Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds a binding that describes the cdn DP controller for rk3399. Signed-off-by: Chris Zhong --- 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>; + }; + }; + }; + }; -- 2.6.3