From patchwork Mon Feb 7 16:26:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 540607 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDF46C433F5 for ; Mon, 7 Feb 2022 16:41:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352127AbiBGQiY (ORCPT ); Mon, 7 Feb 2022 11:38:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352714AbiBGQZH (ORCPT ); Mon, 7 Feb 2022 11:25:07 -0500 X-Greylist: delayed 63 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Mon, 07 Feb 2022 08:25:06 PST Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BB6AC0401CF; Mon, 7 Feb 2022 08:25:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1644251106; x=1675787106; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=a6FIsAxlS8CipozOrCRtXjkQdiL4ZSwawArQFXpf6H0=; b=k6m2QYdM5MuslAJuYBw2S2MK9CjWO74xO30UbUFNi/pgHvo4VTQ94e/o CqQwmT+3nMACHkHTwO6nY7mp2dr//eHM6zSiqf+i45rU36be3adIagfih OQ7XjxRo6R84Jxv2diXSSKVUYpQQMT0R1I2szt3X6ySmfqxSsdsquLfwq Ujfb6527zvDaybAk/TUz9XkZKl9AIPmIxotzt83xzCGolVueenCIuvewN wV5GN7VgsUxrnCvAeCEbsgpma8oEmMcfiQcFQP7IdRrk/R+xlMknelRYI piSJKSvf8NeNEbJ+1kxpXtlyWj85y2vGr9xvmYeszNJOetswZDHl987uI Q==; IronPort-SDR: olD1nXIeV6qYui820sqHCq6LXGhzzDFLcA3zFhI0a2QMW+hz3g32tD6oF1MCz3bb06LdU7/KX6 R6/kmpyiF8Dv9HrR9UFo9Gfrm6so3M1KG3lphrAP+J5+KrO98GBQh/P9JOMj+hGDAtR0Q5Cybh O9Inum9/3imfhb9KIOvaGJjhEj/eODimVqMoyiEYlr+vrZ5t+FWmqAXeoNsaHRGCRe1uEQCoBQ uDkM0MkfdrDqEfgD0SqRO9rpUl4niYDaQyx38XpGESDSK79jIKPSSMNJuh3DFuN/COxTgXpco/ Eea5hWLFPkMtjV5GFEgKTGX7 X-IronPort-AV: E=Sophos;i="5.88,350,1635231600"; d="scan'208";a="145139958" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 07 Feb 2022 09:24:01 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 7 Feb 2022 09:24:01 -0700 Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Mon, 7 Feb 2022 09:23:56 -0700 From: To: , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , Palmer Dabbelt Subject: [PATCH v6 02/12] dt-bindings: soc/microchip: add services as sub devs of sys ctrlr Date: Mon, 7 Feb 2022 16:26:28 +0000 Message-ID: <20220207162637.1658677-3-conor.dooley@microchip.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220207162637.1658677-1-conor.dooley@microchip.com> References: <20220207162637.1658677-1-conor.dooley@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Conor Dooley Document mpfs-rng and mpfs-generic-service as subdevices of the system controller. Signed-off-by: Conor Dooley Acked-by: Palmer Dabbelt --- .../microchip,mpfs-sys-controller.yaml | 35 +++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml index f699772fedf3..b02c8bd72605 100644 --- a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml +++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-sys-controller.yaml @@ -13,7 +13,6 @@ description: | The PolarFire SoC system controller is communicated with via a mailbox. This document describes the bindings for the client portion of that mailbox. - properties: mboxes: maxItems: 1 @@ -21,6 +20,38 @@ properties: compatible: const: microchip,mpfs-sys-controller + rng: + type: object + + description: | + The hardware random number generator on the Polarfire SoC is + accessed via the mailbox interface provided by the system controller + + properties: + compatible: + const: microchip,mpfs-rng + + required: + - compatible + + sysserv: + type: object + + description: | + The PolarFire SoC system controller is communicated with via a mailbox. + This binding represents several of the functions provided by the system + controller which do not belong in a specific subsystem, such as reading + the fpga device certificate, all of which follow the same format: + - a command + optional payload sent to the sys controller + - a status + a payload returned to Linux + + properties: + compatible: + const: microchip,mpfs-generic-service + + required: + - compatible + required: - compatible - mboxes @@ -29,7 +60,7 @@ additionalProperties: false examples: - | - syscontroller: syscontroller { + syscontroller { compatible = "microchip,mpfs-sys-controller"; mboxes = <&mbox 0>; };