From patchwork Tue Aug 30 02:08:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Holland X-Patchwork-Id: 601258 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 BADEFECAAD2 for ; Tue, 30 Aug 2022 02:08:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229749AbiH3CIe (ORCPT ); Mon, 29 Aug 2022 22:08:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229602AbiH3CIa (ORCPT ); Mon, 29 Aug 2022 22:08:30 -0400 Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46DD285FCC; Mon, 29 Aug 2022 19:08:29 -0700 (PDT) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id CD23E5C00AC; Mon, 29 Aug 2022 22:08:27 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Mon, 29 Aug 2022 22:08:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sholland.org; h= cc:cc:content-transfer-encoding:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1661825307; x=1661911707; bh=hr iNRaqge8di6Ww36SKeJsUSNLWsxQP2UWUeu3Y6Tt8=; b=f4BT1sPJL4o7WzjcBR 1jqIBj5zF9YuD90LCO+y1KLCajAdeYlWJ2FdrnqYeLae8kERPLpMLaZ+FlmgMt12 rgsuWW+534sr0D+C63FS+HHvsbnqPSZzeoKxFP4Oc0bmmdyYGvkjr7e67Xtd7RAo q1Rhfj8qxSqqhmig/LoQ5HLRP/TMkhbM9JBCkFB35CxQtqfFmrQ+P+jHUe1r0INe XQn7MN1j4AZx8IZJnFu6HYR4FLFbUzggtqSAGdDSO9y6Whx0YcgJr7DjB3PyLtVa 0x29H0Fk+CHV3/4Ht0tZsBs1wPOAQVcznlfYKUplLmi77O4KrBQ0cOvuVxCd1f2K 2ylQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; t=1661825307; x=1661911707; bh=hriNRaqge8di6 Ww36SKeJsUSNLWsxQP2UWUeu3Y6Tt8=; b=PgSbXtigZzpay4QdeHzHdaRjSntAa aIjlTnlB+8Nofy9QzgE2BRQ3ZUr4UxFPeUxI9iy9xpv8mQ4a0+CnMukc4QwvYPX4 t88g8hFvcRRCF33kNChivE489sIRk6YL5Lp4bdhcp0rtNsfxM33Iu9uBgqKdRh2/ rF48o7RxQxMEqbcR1+khfkdI6BA3DorifLH/OoOBTs2F8ZJfkiUkhT+eeKij2EEN rP5yiqn3P55aK5X61P2vM0IPbiGX9920jEXhH3Y19VnHxvfPIQssIaywSF64tR+u Fvges9yZUoN/HAZgCIc8SVg6fbLA9c4393ZUxkyBBH4AatA1mKvZkKoFQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvdekvddgheehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomhepufgrmhhu vghlucfjohhllhgrnhguuceoshgrmhhuvghlsehshhholhhlrghnugdrohhrgheqnecugg ftrfgrthhtvghrnhepudekteeuudehtdelteevgfduvddvjefhfedulefgudevgeeghefg udefiedtveetnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrh homhepshgrmhhuvghlsehshhholhhlrghnugdrohhrgh X-ME-Proxy: Feedback-ID: i0ad843c9:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 29 Aug 2022 22:08:27 -0400 (EDT) From: Samuel Holland To: Chen-Yu Tsai , Jernej Skrabec Cc: Samuel Holland , Gregory CLEMENT , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev Subject: [PATCH 1/3] dt-bindings: i2c: mv64xxx: Document DMA properties Date: Mon, 29 Aug 2022 21:08:22 -0500 Message-Id: <20220830020824.62288-2-samuel@sholland.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220830020824.62288-1-samuel@sholland.org> References: <20220830020824.62288-1-samuel@sholland.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Allwinner's I2C offload engine includes bidirectional DMA support. Add the properties for describing this in the devicetree. "dmas" is optional because not all instances of the controller have their DRQs hooked up. For example, R_I2C0 and R_I2C1 on V536 have no DRQ number assigned. Signed-off-by: Samuel Holland Reviewed-by: Krzysztof Kozlowski --- .../bindings/i2c/marvell,mv64xxx-i2c.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml index 0ec033e48830..63d665a4f9bb 100644 --- a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml @@ -66,6 +66,19 @@ properties: resets: maxItems: 1 + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + +dependencies: + dmas: [ dma-names ] + required: - compatible - reg From patchwork Tue Aug 30 02:08:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Holland X-Patchwork-Id: 601257 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 66D99C0502E for ; Tue, 30 Aug 2022 02:08:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229602AbiH3CIg (ORCPT ); Mon, 29 Aug 2022 22:08:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229729AbiH3CIb (ORCPT ); Mon, 29 Aug 2022 22:08:31 -0400 Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B405E85FE8; Mon, 29 Aug 2022 19:08:30 -0700 (PDT) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 2035A5C01A0; Mon, 29 Aug 2022 22:08:30 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Mon, 29 Aug 2022 22:08:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sholland.org; h= cc:cc:content-transfer-encoding:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1661825310; x=1661911710; bh=Fk X4dRzih+XcP2CW0zREdq7aeZbkdtKNx9OgLkoxSes=; b=rDBaoXhcqQEA0OpLaU QEw9B3LnbTvWO9/ZUvZYc8W9lDDhg/ih/e/ivxppFCVF6z3HzzqtIB7Ae5jCKQyW +gBwT0dPYWg2QMIsIBNlZ3azbmNuUjyCu99CzbbuYp2BwckmaVNTOdZizGte+QP6 sVzYBXUoMwG3YoZ8CBjiXULQcC2hguDYFqfVAdmKDX52Z5+aB8VGa3ju7kT7NcvY 5yRcpuxVVfd2kfoxewhhcc8REvcb/+ReYSETJbuN+Ny43hdX/7dBABKODykD47ya CsUSxbd2w6hB/uTSyJR7puLCINeRHKgJ6t24dYZeE0ADh0Yb0JB9C3faS3QdCeUX NE2Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; t=1661825310; x=1661911710; bh=FkX4dRzih+XcP 2CW0zREdq7aeZbkdtKNx9OgLkoxSes=; b=o9QEkRMFE6bjjUAAq21RkekJNXQgX z79Rw1D+s2kVQvPOf2rIlhOEMCLfC10+BVjO+FnAp8KfrR/r0Od1cd+pl4CMbwLk jTF/W1m19LX17escy+pfmzJwenSXncdLQDNMletfBbvUXTsWbZtzGzCc6olPZBNJ GKzQgVN+RfPSMhBzOZwBMnfTM3AX705KOTo6i8+88zmuyeQAcTmRlm6Omq9Yb3gj ieNx6t/Q8Br8frwrOuzfTMsIAOFd7T3MOxMy4ywyiwheru8YkR6ZQfnyJgSNhZkE XxmF443zQjijim72zfpfJteAr/3rWh7OOhhPh9QGRIK/V12eoB8KAPQ5Q== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvdekvddgheehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomhepufgrmhhu vghlucfjohhllhgrnhguuceoshgrmhhuvghlsehshhholhhlrghnugdrohhrgheqnecugg ftrfgrthhtvghrnhepudekteeuudehtdelteevgfduvddvjefhfedulefgudevgeeghefg udefiedtveetnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrh homhepshgrmhhuvghlsehshhholhhlrghnugdrohhrgh X-ME-Proxy: Feedback-ID: i0ad843c9:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 29 Aug 2022 22:08:29 -0400 (EDT) From: Samuel Holland To: Chen-Yu Tsai , Jernej Skrabec Cc: Samuel Holland , Gregory CLEMENT , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev Subject: [PATCH 3/3] arm64: dts: allwinner: a100: Add I2C DMA requests Date: Mon, 29 Aug 2022 21:08:24 -0500 Message-Id: <20220830020824.62288-4-samuel@sholland.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220830020824.62288-1-samuel@sholland.org> References: <20220830020824.62288-1-samuel@sholland.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The I2C controllers in the A100 SoC are all connected to the DMA engine. Signed-off-by: Samuel Holland Reviewed-by: Jernej Skrabec --- arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index 5453a3bb7d81..97e3e6907acd 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -221,6 +221,8 @@ i2c0: i2c@5002000 { interrupts = ; clocks = <&ccu CLK_BUS_I2C0>; resets = <&ccu RST_BUS_I2C0>; + dmas = <&dma 43>, <&dma 43>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -234,6 +236,8 @@ i2c1: i2c@5002400 { interrupts = ; clocks = <&ccu CLK_BUS_I2C1>; resets = <&ccu RST_BUS_I2C1>; + dmas = <&dma 44>, <&dma 44>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -247,6 +251,8 @@ i2c2: i2c@5002800 { interrupts = ; clocks = <&ccu CLK_BUS_I2C2>; resets = <&ccu RST_BUS_I2C2>; + dmas = <&dma 45>, <&dma 45>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -260,6 +266,8 @@ i2c3: i2c@5002c00 { interrupts = ; clocks = <&ccu CLK_BUS_I2C3>; resets = <&ccu RST_BUS_I2C3>; + dmas = <&dma 46>, <&dma 46>; + dma-names = "rx", "tx"; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -337,6 +345,8 @@ r_i2c0: i2c@7081400 { interrupts = ; clocks = <&r_ccu CLK_R_APB2_I2C0>; resets = <&r_ccu RST_R_APB2_I2C0>; + dmas = <&dma 50>, <&dma 50>; + dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&r_i2c0_pins>; status = "disabled"; @@ -352,6 +362,8 @@ r_i2c1: i2c@7081800 { interrupts = ; clocks = <&r_ccu CLK_R_APB2_I2C1>; resets = <&r_ccu RST_R_APB2_I2C1>; + dmas = <&dma 51>, <&dma 51>; + dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&r_i2c1_pins>; status = "disabled";