From nobody Tue Feb 10 01:31:04 2026 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 27820224898; Wed, 26 Feb 2025 17:01:47 +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=1740589308; cv=none; b=eU/84yFvoT5ntFwfn64rs6fQ0540GILTSKbkWmm69LncNf2YoIaD78izqL91BNhIYzgnaAsp0Eh0LqelfQm5QXxip5QO8DirZQ8aix3Xf9Y5XFi9Au6sasRUoqrpWIyigV0R/0Gaih4E3NLwGOt+1/Nkkco0koFs78bmqovkj/A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740589308; c=relaxed/simple; bh=LeKsNo2NfWVXxRjT54xweYUrvhD0ogZ4MMk7ujoSXro=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pHsCwLaGj69itz+B12NmwE1eWEQ9r7PN+Tj6c/+LiDbGJdFUHQ1drtLnn2sNIJk/2AGj0M6fRlzRR0DIpzYCUDayo3JLQeKUy3zQoUNL7MFU/XLQ6Rq8LaS0OkdlN6d9J5BsqNCQiSM0W0ZgXwXMvr83eHlFBt6B52lxEnDIzoc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jjSSZNTu; 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="jjSSZNTu" Received: by smtp.kernel.org (Postfix) with ESMTPS id 9D9B3C4CEE8; Wed, 26 Feb 2025 17:01:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740589307; bh=LeKsNo2NfWVXxRjT54xweYUrvhD0ogZ4MMk7ujoSXro=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=jjSSZNTushNhFKrhTCVil2I2mO5OvNDQrugasDfbFqP9Dp0kNfXuge+vmXPdnqlv2 tzxK9Hm2pPJmRodD6q/2EsKVzpgdrqCgFMp2teixEWOXulUDc/rK44mR+Ol3Xj2ORX jXHyL2KjM5fTH4yeuX+VhDjHp0xUQc0WGJjeHb8MfPXO8mmt/pT2wZZ0XqqfLTx7nd htKCwq0azN1fUcO31/USFG8trLQWoGFNwzHTcSwPbQw05dDUiqFNlT73miY02X31Ld NCVBDpl/pTSxBi0isHwISRGKErUTIGDqbWzZn0rcspoyL0LrTaQ5gdZ5tqwvo0J68b nYbotQm6PnDOA== 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 87D2EC19F2E; Wed, 26 Feb 2025 17:01:47 +0000 (UTC) From: =?utf-8?q?J=2E_Neusch=C3=A4fer_via_B4_Relay?= Date: Wed, 26 Feb 2025 18:01:40 +0100 Subject: [PATCH v3 1/3] dt-bindings: memory-controllers: Add fsl,elbc-gpcm-uio 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: <20250226-ppcyaml-elbc-v3-1-a90ed71da838@posteo.net> References: <20250226-ppcyaml-elbc-v3-0-a90ed71da838@posteo.net> In-Reply-To: <20250226-ppcyaml-elbc-v3-0-a90ed71da838@posteo.net> To: Krzysztof Kozlowski , Rob Herring , Conor Dooley , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Krzysztof Kozlowski , Crystal Wood , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, =?utf-8?q?J=2E_Neusch=C3=A4fer?= , Frank Li X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1740589304; l=2445; i=j.ne@posteo.net; s=20240329; h=from:subject:message-id; bh=GvQhsrPLWmFseUJFQhIZZwPwr6QXxocmbC1FYpGExKA=; b=YTwN5WQsNt52pc+y19dW1o/2SJ407WY+kh68sINzXUXyxhcCylgHBz+OmYFDp7nOrjCrHgnut mMD/P+eIHSiCesKvovALmOyS//8Bpgc8VhwkENiFkyB32Ho5ErF7eTH X-Developer-Key: i=j.ne@posteo.net; a=ed25519; pk=NIe0bK42wNaX/C4bi6ezm7NJK0IQE+8MKBm7igFMIS4= X-Endpoint-Received: by B4 Relay for j.ne@posteo.net/20240329 with auth_id=156 X-Original-From: =?utf-8?q?J=2E_Neusch=C3=A4fer?= Reply-To: j.ne@posteo.net From: "J. Neusch=C3=A4fer" Formalize the binding already supported by the uio_fsl_elbc_gpcm.c driver. Reviewed-by: Frank Li Reviewed-by: Rob Herring (Arm) Signed-off-by: J. Neusch=C3=A4fer --- V3: - add review tags V2: - split out from fsl,elbc patch - add description - remove "device_type" property - move to bindings/memory-controllers --- .../memory-controllers/fsl,elbc-gpcm-uio.yaml | 59 ++++++++++++++++++= ++++ 1 file changed, 59 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl,elbc-= gpcm-uio.yaml b/Documentation/devicetree/bindings/memory-controllers/fsl,el= bc-gpcm-uio.yaml new file mode 100644 index 0000000000000000000000000000000000000000..381584b400a0ad98c6d9e0b38f2= 877d44603ed84 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/fsl,elbc-gpcm-ui= o.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/fsl,elbc-gpcm-uio.ya= ml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Userspace I/O interface for Freescale eLBC devices + +description: + The Freescale Enhanced Local Bus controller (eLBC) supports flexible acc= ess + to memory devices, through the General-Purpose Chip-select Machine (GPCM= ). + The purpose of this binding is to designate devices attached to eLBC/GPM= C for + use by userspace. + +maintainers: + - J. Neusch=C3=A4fer + +properties: + compatible: + const: fsl,elbc-gpcm-uio + + reg: + maxItems: 1 + + elbc-gpcm-br: + description: Base Register (BR) value to set + $ref: /schemas/types.yaml#/definitions/uint32 + + elbc-gpcm-or: + description: Option Register (OR) value to set + $ref: /schemas/types.yaml#/definitions/uint32 + + interrupts: + maxItems: 1 + + uio_name: + $ref: /schemas/types.yaml#/definitions/string + +required: + - compatible + - reg + - elbc-gpcm-br + - elbc-gpcm-or + +additionalProperties: false + +examples: + - | + localbus { + #address-cells =3D <2>; + #size-cells =3D <1>; + + simple-periph@2,0 { + compatible =3D "fsl,elbc-gpcm-uio"; + reg =3D <0x2 0x0 0x10000>; + elbc-gpcm-br =3D <0xfd810800>; + elbc-gpcm-or =3D <0xffff09f7>; + }; + }; --=20 2.48.0.rc1.219.gb6b6757d772