From patchwork Tue Aug 21 12:28:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Thomson X-Patchwork-Id: 10571479 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 352591390 for ; Tue, 21 Aug 2018 12:28:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29C2F2A095 for ; Tue, 21 Aug 2018 12:28:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1E1A92A09C; Tue, 21 Aug 2018 12:28:48 +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=-6.9 required=2.0 tests=BAYES_00,FROM_WORDY, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AC5C92A095 for ; Tue, 21 Aug 2018 12:28:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727153AbeHUPsY (ORCPT ); Tue, 21 Aug 2018 11:48:24 -0400 Received: from mail1.bemta25.messagelabs.com ([195.245.230.4]:16023 "EHLO mail1.bemta25.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726881AbeHUPsX (ORCPT ); Tue, 21 Aug 2018 11:48:23 -0400 Received: from [46.226.52.104] (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256 bits)) by server-4.bemta.az-a.eu-west-1.aws.symcld.net id 9A/5B-19240-7650C7B5; Tue, 21 Aug 2018 12:28:23 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLKsWRWlGSWpSXmKPExsUSt3OpsW46a02 0wfR9XBbzj5xjtWhevJ7N4s3x6UwWXat3slhcO9bLZHF51xw2i0XLWpktniw8w2Sx9PpFJovW vUfYHbg81sxbw+ixaVUnm8e8k4Ee++euYffY+G4Hk8f7fVfZPHZ+b2D3+LxJLoAjijUzLym/I oE1Y/mbPcwF06QqZh17w9jAeFisi5GLQ0hgPaPEphNv2boYOYCcComTT4O6GDk5eAUyJd5c3s UCYnMKuEs8eLSQEcQWEnCTuLz5JDuIzSZgITH5xAOwVhYBVYl7351BwsICURJ9l+cwg4wXEZj EJHHj3lNWkASzQAOjxNIdbhDzBSVOznzCAhGXkDj44gUzxHwDidMLGsHiEgL2EtPfX2UGmS8h oC/ReCwWImwo8X3WN6gSc4kj2+6zTWAUnIVk6iwkUxcwMq1iNE8qykzPKMlNzMzRNTQw0DU0N NI1tDTSNTHSS6zSTdRLLdUtTy0u0TXUSywv1iuuzE3OSdHLSy3ZxAiMKgYg2MG49ULyIUZJDi YlUd5zadXRQnxJ+SmVGYnFGfFFpTmpxYcYZTg4lCR4xVlqooUEi1LTUyvSMnOA8Q2TluDgURL hTWYGSvMWFyTmFmemQ6ROMepy/Hk/dRKzEEtefl6qlDjEDAGQoozSPLgRsFRziVFWSpiXEego IZ6C1KLczBJU+VeM4hyMSsK80iBTeDLzSuA2vQI6ggnoCHa2SpAjShIRUlINjOoHKr8fFnzrO bdnAXPfdd35y+Y+7jzgpB6XOcX86METsw0/zdXOmS2y42iT3/TuYy9994mfdM5WkctrUIvRXX j9APP6ruhWqS2+O1wyp7v/38Mp8kz2aJr61z1bGTMzTm2I5XZaknNoWtxlmzMO51bcbj4Ztls n1ndPUfHXj88zfJzvRi7+GKTEUpyRaKjFXFScCAAbyQfZMAMAAA== X-Env-Sender: Adam.Thomson.Opensource@diasemi.com X-Msg-Ref: server-24.tower-268.messagelabs.com!1534854502!5799296!2 X-Originating-IP: [94.185.165.51] X-SYMC-ESS-Client-Auth: outbound-route-from=pass X-StarScan-Received: X-StarScan-Version: 9.9.15; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12391 invoked from network); 21 Aug 2018 12:28:23 -0000 Received: from mailrelay2.diasemi.com (HELO sw-ex-cashub01.diasemi.com) (94.185.165.51) by server-24.tower-268.messagelabs.com with AES128-SHA encrypted SMTP; 21 Aug 2018 12:28:23 -0000 Received: from swsrvapps-01.diasemi.com (10.20.28.141) by SW-EX-CASHUB01.diasemi.com (10.20.16.140) with Microsoft SMTP Server id 14.3.382.0; Tue, 21 Aug 2018 13:28:21 +0100 Received: by swsrvapps-01.diasemi.com (Postfix, from userid 22379) id 3A3283FB29; Tue, 21 Aug 2018 13:28:21 +0100 (BST) Message-ID: <0d3a589560b519ab07ed6aaaf012959098c5a2ea.1534853047.git.Adam.Thomson.Opensource@diasemi.com> In-Reply-To: References: From: Adam Thomson Date: Tue, 21 Aug 2018 13:28:21 +0100 Subject: [PATCH 1/3] dt-bindings: connector: Add support for USB-PD PPS APDOs to bindings To: Heikki Krogerus , Guenter Roeck , Greg Kroah-Hartman , Rob Herring , Mark Rutland , Hans de Goede , Li Jun CC: , , , MIME-Version: 1.0 X-KSE-AttachmentFiltering-Interceptor-Info: protection disabled X-KSE-ServerInfo: sw-ex-cashub01.diasemi.com, 9 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 21/08/2018 10:54:00 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for PPS APDOs to connector bindings so a port controller can specify support for PPS, as per existing FIXED/BATT/VAR PDOs. Signed-off-by: Adam Thomson Reviewed-by: Rob Herring --- .../bindings/connector/usb-connector.txt | 8 +++---- include/dt-bindings/usb/pd.h | 26 ++++++++++++++++++++++ 2 files changed, 30 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.txt b/Documentation/devicetree/bindings/connector/usb-connector.txt index 8855bfc..d90e17e 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.txt +++ b/Documentation/devicetree/bindings/connector/usb-connector.txt @@ -29,15 +29,15 @@ Required properties for usb-c-connector with power delivery support: in "Universal Serial Bus Power Delivery Specification" chapter 6.4.1.2 Source_Capabilities Message, the order of each entry(PDO) should follow the PD spec chapter 6.4.1. Required for power source and power dual role. - User can specify the source PDO array via PDO_FIXED/BATT/VAR() defined in - dt-bindings/usb/pd.h. + User can specify the source PDO array via PDO_FIXED/BATT/VAR/PPS_APDO() + defined in dt-bindings/usb/pd.h. - sink-pdos: An array of u32 with each entry providing supported power sink data object(PDO), the detailed bit definitions of PDO can be found in "Universal Serial Bus Power Delivery Specification" chapter 6.4.1.3 Sink Capabilities Message, the order of each entry(PDO) should follow the PD spec chapter 6.4.1. Required for power sink and power dual role. - User can specify the sink PDO array via PDO_FIXED/BATT/VAR() defined in - dt-bindings/usb/pd.h. + User can specify the sink PDO array via PDO_FIXED/BATT/VAR/PPS_APDO() defined + in dt-bindings/usb/pd.h. - op-sink-microwatt: Sink required operating power in microwatt, if source can't offer the power, Capability Mismatch is set. Required for power sink and power dual role. diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h index 7b7a92f..985f2bb 100644 --- a/include/dt-bindings/usb/pd.h +++ b/include/dt-bindings/usb/pd.h @@ -59,4 +59,30 @@ (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \ PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma)) +#define APDO_TYPE_PPS 0 + +#define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */ +#define PDO_APDO_TYPE_MASK 0x3 + +#define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT) + +#define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */ +#define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */ +#define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */ + +#define PDO_PPS_APDO_VOLT_MASK 0xff +#define PDO_PPS_APDO_CURR_MASK 0x7f + +#define PDO_PPS_APDO_MIN_VOLT(mv) \ + ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT) +#define PDO_PPS_APDO_MAX_VOLT(mv) \ + ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT) +#define PDO_PPS_APDO_MAX_CURR(ma) \ + ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT) + +#define PDO_PPS_APDO(min_mv, max_mv, max_ma) \ + (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \ + PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \ + PDO_PPS_APDO_MAX_CURR(max_ma)) + #endif /* __DT_POWER_DELIVERY_H */