From patchwork Fri Feb 19 14:25:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jeffery X-Patchwork-Id: 385083 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 73D3FC433DB for ; Fri, 19 Feb 2021 14:28:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4250464EBD for ; Fri, 19 Feb 2021 14:28:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231129AbhBSO2V (ORCPT ); Fri, 19 Feb 2021 09:28:21 -0500 Received: from new3-smtp.messagingengine.com ([66.111.4.229]:36381 "EHLO new3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230510AbhBSO2F (ORCPT ); Fri, 19 Feb 2021 09:28:05 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 581FB5803C3; Fri, 19 Feb 2021 09:27:41 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Fri, 19 Feb 2021 09:27:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=VNXUckXhWf104 SCgHGqEwb2slaaFyK0SHtZQq67z01A=; b=LuAdh3bT24Cvz7Rbc4zR45ImmSGbg 0Yz58kKjoaHl2THSVhpgfLhcVDP4szp1uO2/Kmk8kQb7683v6VaqoRpGw06ItnVc 6bHe7X5azvxR2+Kas625hwwoM+XAZPJvOZG8eN4zH8UoDwmYJxMhlIM3p/AowYSd ZUUZnCQUHDlTPO2d893A3eP1ul4yqTcvYvFlPOMt1UCt5GIxhnGF0OW35NPyF4EL +ponm44NZfc/nXhcRZwVIcoTSl0vYzzpnEZqlmtwylQW18pJqSO/ji7qDre5oyHK 7qU87c114lBEA+FujeS1MVhAjLtZs9RxbTZPO7+Wni8goexS4uTTonBIA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=VNXUckXhWf104SCgHGqEwb2slaaFyK0SHtZQq67z01A=; b=VCr6wQiG IctyXO7SLN9mFvT6o++LRDoYmgrWh6CDC045msp3FkToGtudYMYfY7PTs1mQMT+E 4fJ9i8WoDNrWcD903JvBxycvAt9TqQMyu2ijas5gKcYjkioMVX9/guUyDMfaLTYj qqRcuGKZv4fAlNyv5czCGzPnRFpJv92pVo9I+wj4BTrUSWtpitMayFLfkKF/1miL YNQPMxZIA5te7C9Pt6/eiG6zZkJ8p6vPM9Chtv17/lF9OnBvJDLyGhIfqHJ1svxF iLTWuvdLwi7GzkJAXThVBbwAUcRYkIdGqeLAzRPYH5SyoH5scKydiEDyPFv77MP2 8ZQigCW0YSTSKA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrjeeigdeigecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkffojghfggfgsedtkeertd ertddtnecuhfhrohhmpeetnhgurhgvficulfgvfhhfvghrhicuoegrnhgurhgvfiesrghj rdhiugdrrghuqeenucggtffrrghtthgvrhhnpeejgfdvveehteekveeggeellefgleette ejffelffdvudduveeiffegteelvefhteenucfkphepudegrddvrdeluddrfeejnecuvehl uhhsthgvrhfuihiivgepleenucfrrghrrghmpehmrghilhhfrhhomheprghnughrvgifse grjhdrihgurdgruh X-ME-Proxy: Received: from localhost.localdomain (ppp14-2-91-37.adl-apt-pir-bras31.tpg.internode.on.net [14.2.91.37]) by mail.messagingengine.com (Postfix) with ESMTPA id DAE33240064; Fri, 19 Feb 2021 09:27:34 -0500 (EST) From: Andrew Jeffery To: openipmi-developer@lists.sourceforge.net, openbmc@lists.ozlabs.org, minyard@acm.org Cc: robh+dt@kernel.org, joel@jms.id.au, lee.jones@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, linus.walleij@linaro.org, chiawei_wang@aspeedtech.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-gpio@vger.kernel.org Subject: [PATCH 17/19] dt-bindings: ipmi: Add optional SerIRQ property to ASPEED KCS devices Date: Sat, 20 Feb 2021 00:55:21 +1030 Message-Id: <20210219142523.3464540-18-andrew@aj.id.au> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210219142523.3464540-1-andrew@aj.id.au> References: <20210219142523.3464540-1-andrew@aj.id.au> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Allocating IO and IRQ resources to LPC devices is in-theory an operation for the host, however ASPEED don't appear to expose this capability outside the BMC (e.g. SuperIO). Instead, we are left with BMC-internal registers for managing these resources, so introduce a devicetree property for KCS devices to describe SerIRQ properties. Signed-off-by: Andrew Jeffery --- .../bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml index 1c1cc4265948..808475a2c2ca 100644 --- a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml +++ b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml @@ -47,6 +47,18 @@ properties: channels the status address is derived from the data address, but the status address may be optionally provided. + aspeed,lpc-interrupts: + $ref: "/schemas/types.yaml#/definitions/uint32-matrix" + minItems: 1 + maxItems: 1 + description: | + A 2-cell property expressing the LPC SerIRQ number and the interrupt + level/sense encoding (specified in the standard fashion). + + Note that the generated interrupt is issued from the BMC to the host, and + thus the target interrupt controller is not captured by the BMC's + devicetree. + kcs_chan: deprecated: true $ref: '/schemas/types.yaml#/definitions/uint32' @@ -84,9 +96,11 @@ allOf: examples: - | + #include kcs3: kcs@24 { compatible = "aspeed,ast2600-kcs-bmc"; reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>; aspeed,lpc-io-reg = <0xca2>; + aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>; interrupts = <8>; };