From patchwork Wed Dec 16 09:30:08 2020 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: 345323 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3EB35C2BBCF for ; Wed, 16 Dec 2020 09:31:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EAE08230FF for ; Wed, 16 Dec 2020 09:31:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726019AbgLPJbW (ORCPT ); Wed, 16 Dec 2020 04:31:22 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:38257 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725835AbgLPJbW (ORCPT ); Wed, 16 Dec 2020 04:31:22 -0500 X-UUID: 461a26c33c184d9a99b2bb02568526a5-20201216 X-UUID: 461a26c33c184d9a99b2bb02568526a5-20201216 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1052347228; Wed, 16 Dec 2020 17:30:37 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 16 Dec 2020 17:30:36 +0800 Received: from mtkslt301.mediatek.inc (10.21.14.114) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 16 Dec 2020 17:30:35 +0800 From: Chunfeng Yun To: Rob Herring CC: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , "David S . Miller" , Jakub Kicinski , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Matthias Brugger , Greg Kroah-Hartman , Stanley Chu , Min Guo , , , , , , , , Serge Semin Subject: [PATCH v4 07/11] dt-bindings: phy: convert MIPI DSI PHY binding to YAML schema Date: Wed, 16 Dec 2020 17:30:08 +0800 Message-ID: <20201216093012.24406-7-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201216093012.24406-1-chunfeng.yun@mediatek.com> References: <20201216093012.24406-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Convert MIPI DSI PHY binding to YAML schema mediatek,dsi-phy.yaml Cc: Chun-Kuang Hu Cc: Philipp Zabel Signed-off-by: Chunfeng Yun Reviewed-by: Rob Herring Reviewed-by: Chun-Kuang Hu --- v4: 1. add maintainer Philipp add support mt8183 suggested by Chun-Kuang 2. use keyword multipleOf suggested by Rob 3. fix typo of 'MIPI' in title v3: new patch --- .../display/mediatek/mediatek,dsi.txt | 18 +--- .../bindings/phy/mediatek,dsi-phy.yaml | 85 +++++++++++++++++++ 2 files changed, 86 insertions(+), 17 deletions(-) create mode 100644 Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt index f06f24d405a5..8238a86686be 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt @@ -22,23 +22,7 @@ Required properties: MIPI TX Configuration Module ============================ -The MIPI TX configuration module controls the MIPI D-PHY. - -Required properties: -- compatible: "mediatek,-mipi-tx" -- the supported chips are mt2701, 7623, mt8173 and mt8183. -- reg: Physical base address and length of the controller's registers -- clocks: PLL reference clock -- clock-output-names: name of the output clock line to the DSI encoder -- #clock-cells: must be <0>; -- #phy-cells: must be <0>. - -Optional properties: -- drive-strength-microamp: adjust driving current, should be 3000 ~ 6000. And - the step is 200. -- nvmem-cells: A phandle to the calibration data provided by a nvmem device. If - unspecified default values shall be used. -- nvmem-cell-names: Should be "calibration-data" +See phy/mediatek,dsi-phy.yaml Example: diff --git a/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml new file mode 100644 index 000000000000..71d4acea1f66 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2020 MediaTek +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/mediatek,dsi-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MIPI Display Serial Interface (DSI) PHY binding + +maintainers: + - Chun-Kuang Hu + - Philipp Zabel + - Chunfeng Yun + +description: The MIPI DSI PHY supports up to 4-lane output. + +properties: + $nodename: + pattern: "^dsi-phy@[0-9a-f]+$" + + compatible: + enum: + - mediatek,mt2701-mipi-tx + - mediatek,mt7623-mipi-tx + - mediatek,mt8173-mipi-tx + - mediatek,mt8183-mipi-tx + + reg: + maxItems: 1 + + clocks: + items: + - description: PLL reference clock + + clock-output-names: + maxItems: 1 + + "#phy-cells": + const: 0 + + "#clock-cells": + const: 0 + + nvmem-cells: + maxItems: 1 + description: A phandle to the calibration data provided by a nvmem device, + if unspecified, default values shall be used. + + nvmem-cell-names: + items: + - const: calibration-data + + drive-strength-microamp: + description: adjust driving current + multipleOf: 200 + minimum: 2000 + maximum: 6000 + default: 4600 + +required: + - compatible + - reg + - clocks + - clock-output-names + - "#phy-cells" + - "#clock-cells" + +additionalProperties: false + +examples: + - | + #include + dsi-phy@10215000 { + compatible = "mediatek,mt8173-mipi-tx"; + reg = <0x10215000 0x1000>; + clocks = <&clk26m>; + clock-output-names = "mipi_tx0_pll"; + drive-strength-microamp = <4000>; + nvmem-cells= <&mipi_tx_calibration>; + nvmem-cell-names = "calibration-data"; + #clock-cells = <0>; + #phy-cells = <0>; + }; + +...