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Tue, 15 Apr 2025 21:52:43 +0000 (UTC) From: Sasha Finkelstein via B4 Relay Date: Tue, 15 Apr 2025 23:52:34 +0200 Subject: [PATCH 1/3] dt-bindings: spmi: Add generic SPMI NVMEM 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: <20250415-spmi-nvmem-v1-1-22067be253cf@gmail.com> References: <20250415-spmi-nvmem-v1-0-22067be253cf@gmail.com> In-Reply-To: <20250415-spmi-nvmem-v1-0-22067be253cf@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Finkelstein X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1744753962; l=2233; i=fnkl.kernel@gmail.com; s=20241124; h=from:subject:message-id; bh=591KYbP5CwVkqQ6YYbLbnzAujw1V85G/WXwDPpVeG5A=; b=dtHz27lt85WFhI+s2T92MhW7ImjxiLCLFGTibgzijQjFJYGkCw1YoJ6DMIPShYH1XV08HvqP6 vT8H80dEvlNDXgEm50C3wLDnRILWCNSnLf4fl0U5MKN3bFeT8X5KjrN X-Developer-Key: i=fnkl.kernel@gmail.com; a=ed25519; pk=aSkp1PdZ+eF4jpMO6oLvz/YfT5XkBUneWwyhQrOgmsU= X-Endpoint-Received: by B4 Relay for fnkl.kernel@gmail.com/20241124 with auth_id=283 X-Original-From: Sasha Finkelstein Reply-To: fnkl.kernel@gmail.com From: Sasha Finkelstein Add bindings for exposing SPMI registers as NVMEM cells Signed-off-by: Sasha Finkelstein --- .../devicetree/bindings/nvmem/spmi-nvmem.yaml | 44 ++++++++++++++++++= ++++ MAINTAINERS | 1 + 2 files changed, 45 insertions(+) diff --git a/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml b/Docu= mentation/devicetree/bindings/nvmem/spmi-nvmem.yaml new file mode 100644 index 0000000000000000000000000000000000000000..0041babefc37ed4d82d7d6f68fc= 67d29eed53d9f --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/spmi-nvmem.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/spmi-nvmem.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic 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-pmu + - apple,sera-pmu + - apple,stowe-pmu + - const: spmi-nvmem + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include + + pmu@f { + compatible =3D "apple,maverick-pmu", "spmi-nvmem"; + reg =3D <0xf SPMI_USID>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 96b82704950184bd71623ff41fc4df31e4c7fe87..e7b2d0df81b387ba53989571319= 71588dc7b89dc 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/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 2.49.0