From nobody Thu Oct 2 14:24:22 2025 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 786B032B4A5; Tue, 16 Sep 2025 20:25:26 +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=1758054326; cv=none; b=U+o4v85//cvUXHrbztm0OxBG63znBjxeVQlLD/BJG0W7E1WBmKuqHwfGMzJRCJnulIk9dKj5w1Vgm7dFCL5wKql1iPU5ur/T3gj6s3km6xoaWMmxgRkW6j+0BXvQn5KS6rbXLeaToQk3PyjKW1avGlgS+0+vwDkU3UxnA+yMGtg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758054326; c=relaxed/simple; bh=0qQ2udejKRpnAkPOswtIFiUwzLjnAo9WAbKFCWb8urc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nIdzDQzcbZbtowlAPRdS1vAzzsAQ8orPXM/nMvIFcqYNpVj3ZTwE8bpZsPfRLgY3RIsPTUkCuKdDPl4ofSdwVwKPDyt7WvgFxwP6kQZQVQwxv9hAhLSvyHY2LnRzSy2W2dSq48QB/zRjk5tXpRQUBZfInJZfkj/i1+5coeXN4aM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Nqg+epgs; 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="Nqg+epgs" Received: by smtp.kernel.org (Postfix) with ESMTPS id 46689C4AF16; Tue, 16 Sep 2025 20:25:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758054326; bh=0qQ2udejKRpnAkPOswtIFiUwzLjnAo9WAbKFCWb8urc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Nqg+epgsHlJCi+v9o8ZDI7/WOr2tRhadQ1OmeKJ+oOqpGrEIAzHHvj4abZaUsZKbA yZvrtnwcN73RtvXF+U8Cu/qiaytS0G9WytGPaEvGGL1Ued4PZPR/Pn+gFR/lRkLad/ Ea232PZn3+Az7M9qxo25p8q4nRhRDrnDosHb28e5B8PmTWQqN1sZ0JSKz1Gb+Svf1+ 6Hn5/n6WquGODZXGOQx3ae2G/doiiGBS1RC1XdrMDM6oNPHGl/W0QbKdRK02j6WtfL ddwDL2RAmIc10ywIeYSXEbgR+ARBHdKRF870hz9J1E7KNVSysJ1T3tq6m8AEBvbtOf wpTIUU+rp3vnw== 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 325ABCAC5A3; Tue, 16 Sep 2025 20:25:26 +0000 (UTC) From: Dang Huynh via B4 Relay Date: Wed, 17 Sep 2025 03:25:18 +0700 Subject: [PATCH 21/25] dt-bindings: mmc: Add RDA SDMMC controller Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250917-rda8810pl-drivers-v1-21-9ca9184ca977@mainlining.org> References: <20250917-rda8810pl-drivers-v1-0-9ca9184ca977@mainlining.org> In-Reply-To: <20250917-rda8810pl-drivers-v1-0-9ca9184ca977@mainlining.org> To: Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Alexandre Belloni , Michael Turquette , Stephen Boyd , Philipp Zabel , Sebastian Reichel , Vinod Koul , Kees Cook , "Gustavo A. R. Silva" , Ulf Hansson Cc: linux-arm-kernel@lists.infradead.org, linux-unisoc@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, dmaengine@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mmc@vger.kernel.org, Dang Huynh X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758054322; l=2660; i=dang.huynh@mainlining.org; s=20250917; h=from:subject:message-id; bh=a7tWvRJrTe69IGooiZ71r/xi++8VSr6BRQfhXkmhSjs=; b=k9ixwP93FswHA/DrqLQ0P+MKSIOY+R6N2rR/lW85K10mMwhxbS5PTIcRSPQbX5tIUM/Jvx8fC bD1/vTTKisDBkP3s5XNIBTbp0zTXkiqVGSf6Gx20RppETLe39/re5tT X-Developer-Key: i=dang.huynh@mainlining.org; a=ed25519; pk=RyzH4CL4YU/ItXYUurA51EVBidfx4lIy8/E4EKRJCUk= X-Endpoint-Received: by B4 Relay for dang.huynh@mainlining.org/20250917 with auth_id=526 X-Original-From: Dang Huynh Reply-To: dang.huynh@mainlining.org From: Dang Huynh Add documentation describing the SD/MMC controller in RDA Micro RDA8810PL SoC. Signed-off-by: Dang Huynh --- Documentation/devicetree/bindings/mmc/rda,mmc.yaml | 91 ++++++++++++++++++= ++++ 1 file changed, 91 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/rda,mmc.yaml b/Documenta= tion/devicetree/bindings/mmc/rda,mmc.yaml new file mode 100644 index 0000000000000000000000000000000000000000..dfdd9c6d3044061c342519e35e3= 9c7751874bb03 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/rda,mmc.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/rda,mmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RDA Micro SD/MMC Controller + +allOf: + - $ref: mmc-controller.yaml + +maintainers: + - Dang Huynh + +properties: + compatible: + const: rda,8810pl-mmc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: apb + + resets: + maxItems: 1 + + dmas: + minItems: 2 + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + rda,mclk-adj: + $ref: /schemas/types.yaml#/definitions/uint8 + description: + Some board need MCLK to be adjusted for the card to work. + If not present, MCLK will be handled by an external PCLK. + minimum: 0 + maximum: 255 + + rda,mclk-inv: + $ref: /schemas/types.yaml#/definitions/flag + description: + Some board need MCLK to be inverted for the card to work. + If not present, MCLK is not inverted. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - dmas + - dma-names + - vmmc-supply + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + mmc1: mmc@20950000 { + compatible =3D "rda,8810pl-mmc"; + reg =3D <0x20950000 0x1000>; + interrupts =3D <3 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&ap_syscon CLK_APB2>; + clock-names =3D "apb"; + resets =3D <&ap_syscon RST_APB2_SDMMC1>; + dmas =3D <&ifc IFC_SDMMC1_TX>, <&ifc IFC_SDMMC1_RX>; + dma-names =3D "tx", "rx"; + vmmc-supply =3D <&vdd_sdmmc>; + rda,mclk-adj =3D /bits/ 8 <1>; + rda,mclk-inv; + status =3D "disabled"; + }; + +... --=20 2.51.0