From patchwork Mon Mar 20 16:58:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13181641 X-Patchwork-Delegate: kuba@kernel.org 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 A3AD5C7618A for ; Mon, 20 Mar 2023 17:07:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232380AbjCTRHu (ORCPT ); Mon, 20 Mar 2023 13:07:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232357AbjCTRHT (ORCPT ); Mon, 20 Mar 2023 13:07:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD0313866D; Mon, 20 Mar 2023 10:01:44 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D4356616DF; Mon, 20 Mar 2023 16:59:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD997C4339B; Mon, 20 Mar 2023 16:59:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679331565; bh=JGceNNPm2h9mHgqAOqJItA9A7Xxmjgx4sH2gAUDtI54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h9GiySGkaU7sK05Sv6JaUINHJhaM1UxUFiMHs2i8Qsnw7RW5qEE7NJeLbqDYdRgJM j6y4u64NGy0//Pg1+8AK4hq+jBYqYnzLHx/UyAU3h5lmAmkTk0UP6R2B+aiUppVNHw EXSBQN+8Ltr3uGexYTHaqun4LHNHC4xU0ogo3ubpXDVSbiD4H43n5ZEd/ehuyigC1z y8CW3C/jgvH+MRJ2jpL/kDDOHP0Pa0dESP9YDY1cjxuopRarRPURSMakBlgUT3Jv3j 6SZ49QCoMCRxqXyadEgq+TIO6wSNYHgLPRlwiqPjTffLKxnJEj3UqFPf71g3Qb1l8T 4n7Luj0vyVaog== From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, lorenzo.bianconi@redhat.com, daniel@makrotopia.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH net-next 09/10] dt-bindings: soc: mediatek: move dlm in a dedicated dts node Date: Mon, 20 Mar 2023 17:58:03 +0100 Message-Id: <63bf6061ec5ee6d706a18b45a0b3714b891cb439.1679330630.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Since the cpuboot memory region is not part of the RAM SoC, move dlm in a deidicated syscon node. This patch helps to keep backward-compatibility with older version of uboot codebase where we have a limit of 8 reserved-memory dts child nodes. Signed-off-by: Lorenzo Bianconi --- .../arm/mediatek/mediatek,mt7622-wed.yaml | 12 +++-- .../soc/mediatek/mediatek,mt7986-wo-dlm.yaml | 46 +++++++++++++++++++ 2 files changed, 54 insertions(+), 4 deletions(-) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-dlm.yaml diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml index 5d2397ec5891..e4707880eca7 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml @@ -32,13 +32,11 @@ properties: memory-region: items: - description: firmware EMI region - - description: firmware DLM region - description: firmware CPU DATA region memory-region-names: items: - const: wo-emi - - const: wo-dlm - const: wo-data mediatek,wo-ccif: @@ -53,6 +51,10 @@ properties: $ref: /schemas/types.yaml#/definitions/phandle description: mediatek wed-wo ilm interface. + mediatek,wo-dlm: + $ref: /schemas/types.yaml#/definitions/phandle + description: mediatek wed-wo dlm interface. + allOf: - if: properties: @@ -66,6 +68,7 @@ allOf: mediatek,wo-ccif: false mediatek,wo-cpuboot: false mediatek,wo-ilm: false + mediatek,wo-dlm: false required: - compatible @@ -100,10 +103,11 @@ examples: reg = <0 0x15010000 0 0x1000>; interrupts = ; - memory-region = <&wo_emi>, <&wo_dlm>, &wo_data>; - memory-region-names = "wo-emi", "wo-dlm", "wo-data"; + memory-region = <&wo_emi>, <&wo_data>; + memory-region-names = "wo-emi", "wo-data"; mediatek,wo-ccif = <&wo_ccif0>; mediatek,wo-cpuboot = <&wo_cpuboot>; mediatek,wo-ilm = <&wo_ilm>; + mediatek,wo-dlm = <&wo_dlm>; }; }; diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-dlm.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-dlm.yaml new file mode 100644 index 000000000000..2b9c6a8ef918 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-dlm.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt7986-wo-dlm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Wireless Ethernet Dispatch (WED) WO DLM firmware interface for MT7986 + +maintainers: + - Lorenzo Bianconi + - Felix Fietkau + +description: + The MediaTek wo-dlm (Data Lifecycle Management) provides a configuration + interface for WED WO firmware rx rings, including firmware I/O descriptor + ring, feedback command ring. WED WO controller is used to perform offload + rx packet processing (e.g. 802.11 aggregation packet reordering or rx + header translation) on MT7986 soc. + +properties: + compatible: + items: + - enum: + - mediatek,mt7986-wo-dlm + - const: syscon + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + syscon@151e8000 { + compatible = "mediatek,mt7986-wo-dlm", "syscon"; + reg = <0 0x151e8000 0 0x2000>; + }; + };