From patchwork Mon Jul 15 08:38:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikita Shubin via B4 Relay X-Patchwork-Id: 13733092 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 954EA185600; Mon, 15 Jul 2024 08:40:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721032803; cv=none; b=H+YvtR6FV0Gzly9zTC6hBMWPgTJz3zkCznn8L7Rd6gszaZ9BC1d5KTvS01OsYC3aFro6zCBDixHAXBUbfT8cQAzdjGfShS5ZDmX6bt8BII7zuX44QBIy7dcy55m9tFQAeTmF7PNUMrz3LPZCO40KLeWYR1MyHyVPSBp/3iqXVbM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721032803; c=relaxed/simple; bh=OwXslceZMSHlNCp9gnYCsH+AlosVcBVrdxvtTOSfLHE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bD+Vf6PCVkn1fjcpTxE0wnjQHL5SAYb5ONPHdwVSaXj3X9W97n/ABHzMpRaOpal0RPs7JJ69/SkAqBXGSKbVw3BeFA2hZnx+hAzE0PSnLMvpwBfgU9c8fvT+zet/MVuTLRROKKbP1lyNrP6wRfKi7SShDmFfDHC9Gr4TRO7sqFw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OdrHTIwm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OdrHTIwm" Received: by smtp.kernel.org (Postfix) with ESMTPS id 32B3FC4AF55; Mon, 15 Jul 2024 08:40:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721032803; bh=OwXslceZMSHlNCp9gnYCsH+AlosVcBVrdxvtTOSfLHE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=OdrHTIwmvaeHo/4FIaFDsANpatiZrCyK7yryoBB7EDiksx8YuHpM/8agfByzUe3Zm FP0uYL4/Ix6KBckug5DzG/7Ko0pTw43GDxLFGxM52XLRNj8ROVwL9yfRcPBSoZIJxl 23QS1nQkGY09R3hP2OrAz+Kw9ABvemK2LVJ8kaaefiRpn1+Dd38wjPg69ORAZRzBq1 Ii7hUZuCQdRcvRtiKr4b4BtTONpFR9lUIeN6jQYGjItU85f9nce7Y+xnjuk1N99sQQ wYpSvPgNMMNqybEJ2i5zOyHBEzYtCaCevb05vyscFSGZlEbvC4I/+jfk8yoN84aDP0 HjiNZwVh823+w== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29723C2BD09; Mon, 15 Jul 2024 08:40:03 +0000 (UTC) From: Nikita Shubin via B4 Relay Date: Mon, 15 Jul 2024 11:38:12 +0300 Subject: [PATCH v11 08/38] dt-bindings: dma: Add Cirrus EP93xx Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240715-ep93xx-v11-8-4e924efda795@maquefel.me> References: <20240715-ep93xx-v11-0-4e924efda795@maquefel.me> In-Reply-To: <20240715-ep93xx-v11-0-4e924efda795@maquefel.me> To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexander Sverdlin , Nikita Shubin Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13-dev-e3e53 X-Developer-Signature: v=1; a=ed25519-sha256; t=1721032799; l=7696; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=Y0DItFCDipfwR6StRBre7127VedaUlKJubOzvlu96UM=; b=7dFmAkBz7QE3VxJ6WkIoiypYmMr5KL0m9mEOxy/BXsaT+D5HNEEwkFu3B6z4Xk7rVFUgIq9mHRLR dfkawcPTC9EbFNgkQK+zW0UHjEFs1hYQ27fmXaHCaRJs0Ppp/2hZ X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: nikita.shubin@maquefel.me From: Nikita Shubin Add YAML bindings for ep93xx SoC DMA. Signed-off-by: Nikita Shubin Reviewed-by: Krzysztof Kozlowski Acked-by: Vinod Koul --- .../bindings/dma/cirrus,ep9301-dma-m2m.yaml | 84 ++++++++++++ .../bindings/dma/cirrus,ep9301-dma-m2p.yaml | 144 +++++++++++++++++++++ 2 files changed, 228 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml new file mode 100644 index 000000000000..871b76ddf90f --- /dev/null +++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2m.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic ep93xx SoC DMA controller + +maintainers: + - Alexander Sverdlin + - Nikita Shubin + +allOf: + - $ref: dma-controller.yaml# + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-dma-m2m + - items: + - enum: + - cirrus,ep9302-dma-m2m + - cirrus,ep9307-dma-m2m + - cirrus,ep9312-dma-m2m + - cirrus,ep9315-dma-m2m + - const: cirrus,ep9301-dma-m2m + + reg: + items: + - description: m2m0 channel registers + - description: m2m1 channel registers + + clocks: + items: + - description: m2m0 channel gate clock + - description: m2m1 channel gate clock + + clock-names: + items: + - const: m2m0 + - const: m2m1 + + interrupts: + items: + - description: m2m0 channel interrupt + - description: m2m1 channel interrupt + + '#dma-cells': + const: 2 + description: | + The first cell is the unique device channel number as indicated by this + table for ep93xx: + + 10: SPI controller + 11: IDE controller + + The second cell is the DMA direction line number: + + 1: Memory to device + 2: Device to memory + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + dma-controller@80000100 { + compatible = "cirrus,ep9301-dma-m2m"; + reg = <0x80000100 0x0040>, + <0x80000140 0x0040>; + clocks = <&syscon EP93XX_CLK_M2M0>, + <&syscon EP93XX_CLK_M2M1>; + clock-names = "m2m0", "m2m1"; + interrupt-parent = <&vic0>; + interrupts = <17>, <18>; + #dma-cells = <2>; + }; diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml new file mode 100644 index 000000000000..d14c31553543 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml @@ -0,0 +1,144 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2p.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic ep93xx SoC M2P DMA controller + +maintainers: + - Alexander Sverdlin + - Nikita Shubin + +allOf: + - $ref: dma-controller.yaml# + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-dma-m2p + - items: + - enum: + - cirrus,ep9302-dma-m2p + - cirrus,ep9307-dma-m2p + - cirrus,ep9312-dma-m2p + - cirrus,ep9315-dma-m2p + - const: cirrus,ep9301-dma-m2p + + reg: + items: + - description: m2p0 channel registers + - description: m2p1 channel registers + - description: m2p2 channel registers + - description: m2p3 channel registers + - description: m2p4 channel registers + - description: m2p5 channel registers + - description: m2p6 channel registers + - description: m2p7 channel registers + - description: m2p8 channel registers + - description: m2p9 channel registers + + clocks: + items: + - description: m2p0 channel gate clock + - description: m2p1 channel gate clock + - description: m2p2 channel gate clock + - description: m2p3 channel gate clock + - description: m2p4 channel gate clock + - description: m2p5 channel gate clock + - description: m2p6 channel gate clock + - description: m2p7 channel gate clock + - description: m2p8 channel gate clock + - description: m2p9 channel gate clock + + clock-names: + items: + - const: m2p0 + - const: m2p1 + - const: m2p2 + - const: m2p3 + - const: m2p4 + - const: m2p5 + - const: m2p6 + - const: m2p7 + - const: m2p8 + - const: m2p9 + + interrupts: + items: + - description: m2p0 channel interrupt + - description: m2p1 channel interrupt + - description: m2p2 channel interrupt + - description: m2p3 channel interrupt + - description: m2p4 channel interrupt + - description: m2p5 channel interrupt + - description: m2p6 channel interrupt + - description: m2p7 channel interrupt + - description: m2p8 channel interrupt + - description: m2p9 channel interrupt + + '#dma-cells': + const: 2 + description: | + The first cell is the unique device channel number as indicated by this + table for ep93xx: + + 0: I2S channel 1 + 1: I2S channel 2 (unused) + 2: AC97 channel 1 (unused) + 3: AC97 channel 2 (unused) + 4: AC97 channel 3 (unused) + 5: I2S channel 3 (unused) + 6: UART1 (unused) + 7: UART2 (unused) + 8: UART3 (unused) + 9: IRDA (unused) + + The second cell is the DMA direction line number: + + 1: Memory to device + 2: Device to memory + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + dma-controller@80000000 { + compatible = "cirrus,ep9301-dma-m2p"; + reg = <0x80000000 0x0040>, + <0x80000040 0x0040>, + <0x80000080 0x0040>, + <0x800000c0 0x0040>, + <0x80000240 0x0040>, + <0x80000200 0x0040>, + <0x800002c0 0x0040>, + <0x80000280 0x0040>, + <0x80000340 0x0040>, + <0x80000300 0x0040>; + clocks = <&syscon EP93XX_CLK_M2P0>, + <&syscon EP93XX_CLK_M2P1>, + <&syscon EP93XX_CLK_M2P2>, + <&syscon EP93XX_CLK_M2P3>, + <&syscon EP93XX_CLK_M2P4>, + <&syscon EP93XX_CLK_M2P5>, + <&syscon EP93XX_CLK_M2P6>, + <&syscon EP93XX_CLK_M2P7>, + <&syscon EP93XX_CLK_M2P8>, + <&syscon EP93XX_CLK_M2P9>; + clock-names = "m2p0", "m2p1", + "m2p2", "m2p3", + "m2p4", "m2p5", + "m2p6", "m2p7", + "m2p8", "m2p9"; + interrupt-parent = <&vic0>; + interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>; + #dma-cells = <2>; + };