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Mon, 05 Jan 2026 07:08:07 -0800 (PST) Received: from LAPTOP-872M7T80.localdomain ([223.181.104.101]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2a3e2ab1a0esm1174215ad.16.2026.01.05.07.08.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jan 2026 07:08:07 -0800 (PST) From: Akhila YS Date: Mon, 05 Jan 2026 15:08:00 +0000 Subject: [PATCH v3] dt-bindings: mtd: microchip,mchp23k256: convert to DT schema MIME-Version: 1.0 Message-Id: <20260105-nxp-v3-1-05af634831ef@gmail.com> X-B4-Tracking: v=1; b=H4sIAM/TW2kC/1XMTQrCMBCG4auUWRtJxqY2rryHuAjNpB2wPyQSK qV3N60IunyHeb4FIgWmCJdigUCJI49DjtOhgKazQ0uCXW5AiVohGjHMk9BYERpnjUcD+XMK5Hn eV2733B3H5xhe+2hS2/XfJyWUsKXSnqSspa2vbW/5cWzGHjaf8GsqqSR+DGYjtdfOmfJcavNr1 nV9A+DUilDKAAAA X-Change-ID: 20251229-nxp-526e29da9f29 To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Akhila YS X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260105_070808_995002_5202AB31 X-CRM114-Status: GOOD ( 16.28 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Convert Microchip 23K256 SPI SRAM MTD binding to YAML format. Changes during conversion: - Remove "address-cells" and "size-cells" from properties and required sections as there is no child node for sram. Signed-off-by: Akhila YS --- Changes in v3: - Changed commit description to document changes during yaml conversion. - Corrected indentation for example. - Link to v2: https://lore.kernel.org/r/20260102-nxp-v2-1-05f5dd947459@gmail.com Changes in v2: - Removed "#address-cells" and "#size-cells" from the required, properties and example. - Changed description and title for yaml. - Link to v1: https://lore.kernel.org/r/20251229-nxp-v1-1-a415fe0080a8@gmail.com --- .../bindings/mtd/microchip,mchp23k256.txt | 18 -------- .../bindings/mtd/microchip,mchp23k256.yaml | 49 ++++++++++++++++++++++ 2 files changed, 49 insertions(+), 18 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.txt b/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.txt deleted file mode 100644 index 7328eb92a03c..000000000000 --- a/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.txt +++ /dev/null @@ -1,18 +0,0 @@ -* MTD SPI driver for Microchip 23K256 (and similar) serial SRAM - -Required properties: -- #address-cells, #size-cells : Must be present if the device has sub-nodes - representing partitions. -- compatible : Must be one of "microchip,mchp23k256" or "microchip,mchp23lcv1024" -- reg : Chip-Select number -- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at - -Example: - - spi-sram@0 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "microchip,mchp23k256"; - reg = <0>; - spi-max-frequency = <20000000>; - }; diff --git a/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml b/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml new file mode 100644 index 000000000000..32e9124594ac --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/microchip,mchp23k256.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip 23K256 SPI SRAM + +maintainers: + - Richard Weinberger + +description: + The Microchip 23K256 is a 256 Kbit (32 Kbyte) serial SRAM with an + SPI interface,supporting clock frequencies up to 20 MHz. It features + a 32-byte page size for writes and supports byte, page, and + sequential access modes. + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + enum: + - microchip,mchp23k256 + - microchip,mchp23lcv1024 + + reg: + maxItems: 1 + +required: + - reg + - compatible + - spi-max-frequency + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + sram@0 { + compatible = "microchip,mchp23k256"; + reg = <0>; + spi-max-frequency = <20000000>; + }; + }; +... --- base-commit: cc3aa43b44bdb43dfbac0fcb51c56594a11338a8 change-id: 20251229-nxp-526e29da9f29 Best regards, -- Akhila YS ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/