From nobody Wed Dec 17 10:43:33 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 4C0EA2900BE for ; Fri, 9 May 2025 12:25:03 +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=1746793504; cv=none; b=MFmO5CwBshedp//7bdn7beFzdI+pPORD3gFm5DEmLyYpqsDAIYoCUk5ryzSMV6sL+8Fj2fA4Ua8kzLOPirpOPFaB8ebzOuH7V5+Gp41QOJqWoINzm6lTx99iqgpUzhEx71skQdaE6w03lrwUGHU8m2e6LMnR6rocVyWssMbBHKk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746793504; c=relaxed/simple; bh=WF0ApFUf7eXA928KnHMjP6pRsHIxtL7KqqA4YWZKbns=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UtBDaOlrpDou6MGcAkVjM9jfVaeTSMhBDJCM0cT9NiTjLrc+Y7segtM98j2rVd5qUeVUEAP8oboasnMYt6vX6mH8qWUggHkKZv481vTYXQ2C/Hpl0Yy3fhW6ao8yOwCau0h96fvareOIOvPDQi0MY3EElJJEsKOeF9JlMyKyb4E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VGO9LYJ5; 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="VGO9LYJ5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5223C4CEE4; Fri, 9 May 2025 12:25:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746793503; bh=WF0ApFUf7eXA928KnHMjP6pRsHIxtL7KqqA4YWZKbns=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VGO9LYJ5H03e9N9s96h1IZgJp1156xfnKkFOqOKMx4Dnw1n636c/l9SGVOz5RBaoU do+11aof+H+Yc4ZobMxUmfT7AeZvzqA+jMsWazqmuy1GA0MZGKfmBaKQhyKlDEy3FK REJYD5/vX0VL5EhJdCOeFCecroRhS98X+tRgVYJgBjvs945HNB5rsWQLtT55er3PxC 0eO8XdsdiO6aNI5wrTD0jz2fhAn96hcJvHQFHySplNgJV+amVX6Lu1/izhM1+KdTSJ IzX9lOX3ge8MtpoOTr9D2P4URoRLv7bSUxxNd9tergIG38UumkVh8F0aLZTGSkA+NG SnIS5UwNIZwNg== From: srini@kernel.org To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, Sasha Finkelstein , Alyssa Rosenzweig , Rob Herring , Neal Gompa , Srinivas Kandagatla Subject: [PATCH 2/3] dt-bindings: spmi: Add Apple SPMI NVMEM Date: Fri, 9 May 2025 13:24:51 +0100 Message-ID: <20250509122452.11827-3-srini@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250509122452.11827-1-srini@kernel.org> References: <20250509122452.11827-1-srini@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Sasha Finkelstein Add bindings for exposing SPMI registers of Apple PMICs as NVMEM cells Reviewed-by: Alyssa Rosenzweig Signed-off-by: Sasha Finkelstein Reviewed-by: Rob Herring (Arm) Reviewed-by: Neal Gompa Signed-off-by: Srinivas Kandagatla --- .../bindings/nvmem/apple,spmi-nvmem.yaml | 54 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/apple,spmi-nvme= m.yaml diff --git a/Documentation/devicetree/bindings/nvmem/apple,spmi-nvmem.yaml = b/Documentation/devicetree/bindings/nvmem/apple,spmi-nvmem.yaml new file mode 100644 index 000000000000..80b5a6cdcec9 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/apple,spmi-nvmem.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/apple,spmi-nvmem.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple SPMI NVMEM + +description: Exports a series of SPMI registers as NVMEM cells + +maintainers: + - Sasha Finkelstein + +allOf: + - $ref: nvmem.yaml# + +properties: + compatible: + items: + - enum: + - apple,maverick-pmic + - apple,sera-pmic + - apple,stowe-pmic + - const: apple,spmi-nvmem + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include + + pmic@f { + compatible =3D "apple,maverick-pmic", "apple,spmi-nvmem"; + reg =3D <0xf SPMI_USID>; + + nvmem-layout { + compatible =3D "fixed-layout"; + #address-cells =3D <1>; + #size-cells =3D <1>; + + boot_stage: boot-stage@6001 { + reg =3D <0x6001 0x1>; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 3cbf9ac0d83f..9936fa9fe87c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2277,6 +2277,7 @@ F: Documentation/devicetree/bindings/mailbox/apple,ma= ilbox.yaml F: Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.= yaml F: Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml F: Documentation/devicetree/bindings/nvmem/apple,efuses.yaml +F: Documentation/devicetree/bindings/nvmem/apple,spmi-nvmem.yaml F: Documentation/devicetree/bindings/pci/apple,pcie.yaml F: Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml F: Documentation/devicetree/bindings/power/apple* --=20 2.43.0