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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ee0f8dc859sm6953055ad.59.2026.11.13.01.00.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 01:00:10 -0800 (PST) From: Feng-Yi Hsueh To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, ychuang3@nuvoton.com, schung@nuvoton.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, fyhsueh4linux@gmail.com Subject: [PATCH v2 1/2] dt-bindings: input: Add Nuvoton MA35D1 keypad controller Date: Fri, 13 Nov 2026 16:59:59 +0800 Message-ID: <20261113085959.32798-1-fyhsueh4linux@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261113084852.32727-1-fyhsueh4linux@gmail.com> References: <20261113084852.32727-1-fyhsueh4linux@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Document the Nuvoton MA35D1 hardware matrix keypad controller. The controller supports up to eight rows and eight columns and generates interrupts for key press and release events. Signed-off-by: Feng-Yi Hsueh --- .../bindings/input/nuvoton,ma35d1-keypad.yaml | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml diff --git a/Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml b/Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml new file mode 100644 index 000000000000..ff4f94166f0e --- /dev/null +++ b/Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/nuvoton,ma35d1-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton MA35D1 Matrix Keypad Controller + +maintainers: + - Feng-Yi Hsueh + +description: | + The Nuvoton MA35D1 keypad controller scans a matrix of up to eight rows + and eight columns and reports key press and release interrupts. + +allOf: + - $ref: /schemas/input/matrix-keymap.yaml# + - $ref: /schemas/input/input.yaml# + +properties: + compatible: + const: nuvoton,ma35d1-keypad + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + keypad,num-rows: + minimum: 2 + maximum: 8 + + keypad,num-columns: + minimum: 1 + maximum: 8 + + autorepeat: true + +required: + - compatible + - reg + - interrupts + - clocks + - keypad,num-rows + - keypad,num-columns + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + keypad@404a0000 { + compatible = "nuvoton,ma35d1-keypad"; + reg = <0x404a0000 0x10000>; + interrupts = ; + clocks = <&clk KPI_GATE>; + + keypad,num-rows = <4>; + keypad,num-columns = <1>; + linux,keymap = ; + }; -- 2.43.0