From mboxrd@z Thu Jan 1 00:00:00 1970 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,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 3E5B9C433DB for ; Sun, 3 Jan 2021 10:32:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F9C4208C7 for ; Sun, 3 Jan 2021 10:32:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726653AbhACKcL (ORCPT ); Sun, 3 Jan 2021 05:32:11 -0500 Received: from new2-smtp.messagingengine.com ([66.111.4.224]:35237 "EHLO new2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726606AbhACKcK (ORCPT ); Sun, 3 Jan 2021 05:32:10 -0500 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.nyi.internal (Postfix) with ESMTP id 3E1A95803BC; Sun, 3 Jan 2021 05:31:04 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Sun, 03 Jan 2021 05:31:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sholland.org; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm1; bh=Xhy6XK2W2yjtu pgG0yoTOpphFN3j79/GvvTT2Ki2qs4=; b=ZxuExiMuKyMl11ucqijdyg1JDTX9i xTf+Xqw737/KZwhmEOBza/kWYSk6Feev5RGCz9ndAX398nABjAImpaNHzMRrWUrE 3whS/RwPu1bw3Qw5S2Bi4+nOW7FQwekM379EkIxREb6zEVLS2aZMrjFo5OansV1J 4eXH4aitY4mBe/ArEowytovebELo+ipuOJ1152lQC/xSwAIrMjj9oEwau/s/v9Cv HKy6OK3ZrFItQuuarLmW0ZqGPKJ7IDMqMGrommN4yNmPRQf73wfeXepki7a2Oms6 X8M6MjAenVe4nduKO4czu6Vqw6EEBlIvYt3ivTUsotah6ITf7P90Ye8Bg== 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= fm1; bh=Xhy6XK2W2yjtupgG0yoTOpphFN3j79/GvvTT2Ki2qs4=; b=kjbwVmAG eEhPzD++igxa2qM2C5nmLlQe04gciTAyPoqLWk3T8PST1/IQ0S/SiQgeI8XIj8pS 7APH0M6TJVDhTyWWFmK7qWmJK6MIDgHov9j8GKrygb/L/KEg099giiQl/rfqnkIN oeomG/ATSMwUMP4PO7M53Svwi3X9Qc+8YaLwMmM3/UzZGsBR5eEIdnGzdCichVYX 8LoWGfPaZQraIHJj2USS8yogx/c3nNoj6S2/TtllCzXASWfCtNoQQ05sPQcK2mva R9CUq7/I9IPk7Zi6eaBu2I8aQbBbdsMCEmI0aGA1OurlxBxmQWJlyMAZPjpJieMS oCMmzB6ls+teeQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrvdefuddgudejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefurghmuhgv lhcujfholhhlrghnugcuoehsrghmuhgvlhesshhhohhllhgrnhgurdhorhhgqeenucggtf frrghtthgvrhhnpeelueelgeettdfggfeuffevkefhuddtteeigfevhfdtffdtjefgteeg leeggedvudenucffohhmrghinhepuggvvhhitggvthhrvggvrdhorhhgnecukfhppeejtd drudefhedrudegkedrudehudenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhep mhgrihhlfhhrohhmpehsrghmuhgvlhesshhhohhllhgrnhgurdhorhhg X-ME-Proxy: Received: from titanium.stl.sholland.net (70-135-148-151.lightspeed.stlsmo.sbcglobal.net [70.135.148.151]) by mail.messagingengine.com (Postfix) with ESMTPA id 7059B108005C; Sun, 3 Jan 2021 05:31:02 -0500 (EST) From: Samuel Holland To: Thomas Gleixner , Marc Zyngier , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Russell King , Catalin Marinas , Will Deacon Cc: Ondrej Jirman , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Samuel Holland Subject: [PATCH v3 01/10] dt-bindings: irq: sun6i-r: Split the binding from sun7i-nmi Date: Sun, 3 Jan 2021 04:30:52 -0600 Message-Id: <20210103103101.33603-2-samuel@sholland.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210103103101.33603-1-samuel@sholland.org> References: <20210103103101.33603-1-samuel@sholland.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The R_INTC in the A31 and newer sun8i/sun50i SoCs has additional functionality compared to the sun7i/sun9i NMI controller. Among other things, it multiplexes up to 128 interrupts corresponding to (and in parallel to) the first 128 GIC SPIs. This means the NMI is no longer the lowest-numbered interrupt, since it is SPI 32 or 96 (depending on SoC). To allow access to all multiplexed IRQs, the R_INTC requires a new binding where the interrupt number matches the GIC interrupt number. For simplicity, copy the three-cell GIC binding; this disambiguates interrupt 0 in the old binding (the NMI) from interrupt 0 in the new binding (SPI 0) by the number of cells. Signed-off-by: Samuel Holland --- .../allwinner,sun6i-a31-r-intc.yaml | 64 +++++++++++++++++++ .../allwinner,sun7i-a20-sc-nmi.yaml | 10 --- 2 files changed, 64 insertions(+), 10 deletions(-) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml new file mode 100644 index 000000000000..18805b6555c2 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A31 NMI/Wakeup Interrupt Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + "#interrupt-cells": + const: 3 + description: + The first cell is GIC_SPI (0), the second cell is the IRQ number, and + the third cell is the trigger type as defined in interrupt.txt in this + directory. + + compatible: + oneOf: + - items: + - enum: + - allwinner,sun8i-a83t-r-intc + - allwinner,sun50i-a64-r-intc + - allwinner,sun50i-h6-r-intc + - const: allwinner,sun6i-a31-r-intc + - const: allwinner,sun6i-a31-r-intc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + +required: + - "#interrupt-cells" + - compatible + - reg + - interrupts + - interrupt-controller + +unevaluatedProperties: false + +examples: + - | + #include + + r_intc: interrupt-controller@1f00c00 { + compatible = "allwinner,sun50i-a64-r-intc", + "allwinner,sun6i-a31-r-intc"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x01f00c00 0x400>; + interrupts = ; + }; + +... diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml index 8acca0ae3129..f34ecc8c7093 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml @@ -22,23 +22,13 @@ properties: compatible: oneOf: - - const: allwinner,sun6i-a31-r-intc - const: allwinner,sun6i-a31-sc-nmi deprecated: true - const: allwinner,sun7i-a20-sc-nmi - - items: - - const: allwinner,sun8i-a83t-r-intc - - const: allwinner,sun6i-a31-r-intc - const: allwinner,sun9i-a80-nmi - - items: - - const: allwinner,sun50i-a64-r-intc - - const: allwinner,sun6i-a31-r-intc - items: - const: allwinner,sun50i-a100-nmi - const: allwinner,sun9i-a80-nmi - - items: - - const: allwinner,sun50i-h6-r-intc - - const: allwinner,sun6i-a31-r-intc reg: maxItems: 1 -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 29F67C433E9 for ; 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Sun, 3 Jan 2021 05:31:02 -0500 (EST) From: Samuel Holland To: Thomas Gleixner , Marc Zyngier , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Russell King , Catalin Marinas , Will Deacon Subject: [PATCH v3 01/10] dt-bindings: irq: sun6i-r: Split the binding from sun7i-nmi Date: Sun, 3 Jan 2021 04:30:52 -0600 Message-Id: <20210103103101.33603-2-samuel@sholland.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210103103101.33603-1-samuel@sholland.org> References: <20210103103101.33603-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210103_053105_673043_6E165148 X-CRM114-Status: GOOD ( 15.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ondrej Jirman , devicetree@vger.kernel.org, Samuel Holland , linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The R_INTC in the A31 and newer sun8i/sun50i SoCs has additional functionality compared to the sun7i/sun9i NMI controller. Among other things, it multiplexes up to 128 interrupts corresponding to (and in parallel to) the first 128 GIC SPIs. This means the NMI is no longer the lowest-numbered interrupt, since it is SPI 32 or 96 (depending on SoC). To allow access to all multiplexed IRQs, the R_INTC requires a new binding where the interrupt number matches the GIC interrupt number. For simplicity, copy the three-cell GIC binding; this disambiguates interrupt 0 in the old binding (the NMI) from interrupt 0 in the new binding (SPI 0) by the number of cells. Signed-off-by: Samuel Holland --- .../allwinner,sun6i-a31-r-intc.yaml | 64 +++++++++++++++++++ .../allwinner,sun7i-a20-sc-nmi.yaml | 10 --- 2 files changed, 64 insertions(+), 10 deletions(-) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml new file mode 100644 index 000000000000..18805b6555c2 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/allwinner,sun6i-a31-r-intc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A31 NMI/Wakeup Interrupt Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + "#interrupt-cells": + const: 3 + description: + The first cell is GIC_SPI (0), the second cell is the IRQ number, and + the third cell is the trigger type as defined in interrupt.txt in this + directory. + + compatible: + oneOf: + - items: + - enum: + - allwinner,sun8i-a83t-r-intc + - allwinner,sun50i-a64-r-intc + - allwinner,sun50i-h6-r-intc + - const: allwinner,sun6i-a31-r-intc + - const: allwinner,sun6i-a31-r-intc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + +required: + - "#interrupt-cells" + - compatible + - reg + - interrupts + - interrupt-controller + +unevaluatedProperties: false + +examples: + - | + #include + + r_intc: interrupt-controller@1f00c00 { + compatible = "allwinner,sun50i-a64-r-intc", + "allwinner,sun6i-a31-r-intc"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x01f00c00 0x400>; + interrupts = ; + }; + +... diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml index 8acca0ae3129..f34ecc8c7093 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml @@ -22,23 +22,13 @@ properties: compatible: oneOf: - - const: allwinner,sun6i-a31-r-intc - const: allwinner,sun6i-a31-sc-nmi deprecated: true - const: allwinner,sun7i-a20-sc-nmi - - items: - - const: allwinner,sun8i-a83t-r-intc - - const: allwinner,sun6i-a31-r-intc - const: allwinner,sun9i-a80-nmi - - items: - - const: allwinner,sun50i-a64-r-intc - - const: allwinner,sun6i-a31-r-intc - items: - const: allwinner,sun50i-a100-nmi - const: allwinner,sun9i-a80-nmi - - items: - - const: allwinner,sun50i-h6-r-intc - - const: allwinner,sun6i-a31-r-intc reg: maxItems: 1 -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel