From nobody Mon Feb 9 20:11:20 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 B4FC42EFD8C; Thu, 1 Jan 2026 16:58:34 +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=1767286714; cv=none; b=SvJRgdSFZjyFHGy6dfrRmWnFPV96kHXCtvQjrokD+bUf/7OblNvGJsxwE2iM7Y7VEtRofk3oF2/QBD6gnxjKUqVAeKdT0l3gRxbxfrxE2Y7hPD4xUq4yPNLCoHRrLRsJrKZAhutp75TJi6WU2784TSsZ17j7yg7V+lApL8c29MU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767286714; c=relaxed/simple; bh=Q9LLHnvTxiDMFvAfLdjpxxShPJnvDv5Otm4KvImTOx0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LSvVrHcRIRvO5PWHj9TfElCKjkxvyXNwuinfVNMzP9chnmzqPu7MFHq95GnpEAuG420jjeHiKDd4xaspGEHoVErKxF54DzBBNDBtD2V83Fn9QSsp/riXlKuTtAUOKU7hQSuhJEPXnM2ChbRzKAyBuq0tWrqYtlrIAvWwJOfLsfA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YdzdoozZ; 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="YdzdoozZ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 39D17C16AAE; Thu, 1 Jan 2026 16:58:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767286714; bh=Q9LLHnvTxiDMFvAfLdjpxxShPJnvDv5Otm4KvImTOx0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=YdzdoozZ7gZDIqBuUmTQ4wt1jPil4F/I1uQcfpGwWA99opcezPzb5IyTjiiuuECxj 3e2nS82OyrRmyllMdqyeYfl7g1nglwwWeJZiZWC5Wo38HlDGchh69UUjEVAJoWzq3r EgO5IfWlAS0KOpS6cFA8tATnnfDaa8kiFk+c7DFZCItk3DW0wfEeNV//rFnux4d/lR 0cIiRR7kf57YQ74SyQewQDFm7fiFqffBvDQ/VVZVCr8bIjtkWJCS5UUgJqn1buQb/N 9nTznv6wqUN29L1Dzsv3MqF952AnDnsB0BNkCpUbOJFQb9iyv2AaIgKi7Ome19CuAv ezyE0cIG8AZiw== 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 25668EED628; Thu, 1 Jan 2026 16:58:34 +0000 (UTC) From: =?utf-8?q?J=2E_Neusch=C3=A4fer_via_B4_Relay?= Date: Thu, 01 Jan 2026 17:58:15 +0100 Subject: [PATCH RESEND v5 2/4] 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: <20260101-ppcyaml-elbc-v5-2-251c7f14a06c@posteo.net> References: <20260101-ppcyaml-elbc-v5-0-251c7f14a06c@posteo.net> In-Reply-To: <20260101-ppcyaml-elbc-v5-0-251c7f14a06c@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 , Naveen N Rao , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Christophe Leroy Cc: Frank Li , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767286712; l=2396; i=j.ne@posteo.net; s=20240329; h=from:subject:message-id; bh=bUAGbzS6p74FR6LkzbFgL5RNEAyIuDnK2zSEZn2z+XU=; b=2ApK1JqrIreJZ2Rl3uI4oev0BN99TTYjK1Vd/Ao9Xn5xZp5RnvxYNhV6Mpu/MblJzAYcs/61d ORSF2ZcDNHQD2nkrLDlFoK+inZAJcRp8ureEo9DLeANwi0lI531kXNM 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 --- V4,V5: - no changes 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 00000000000000..381584b400a0ad --- /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 2.51.0