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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8bececcce76sm742540b3a.5.2026.11.13.00.48.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 00:49:02 -0800 (PST) From: Feng-Yi Hsueh To: dmitry.torokhov@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: ychuang3@nuvoton.com, schung@nuvoton.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] Add Nuvoton MA35D1 keypad controller support Date: Fri, 13 Nov 2026 16:48:50 +0800 Message-ID: <20261113084852.32727-1-fyhsueh4linux@gmail.com> X-Mailer: git-send-email 2.43.0 X-Mailing-List: devicetree@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 The Nuvoton MA35D1 SoC provides a hardware matrix keypad controller supporting up to eight rows and eight columns. This series adds the Device Tree binding and input driver for key press/release events, clock management, and system suspend/resume support. Tested on a Nuvoton MA35D1 board with a 4x1 keypad configuration and a 1 MHz KPI clock using evtest. Feng-Yi Hsueh (2): dt-bindings: input: Add Nuvoton MA35D1 keypad controller Input: keyboard: Add Nuvoton MA35D1 keypad driver --- Changes since v1: - dt-bindings: add optional resets and reference input.yaml. - dt-bindings: fix interrupt, clock, and keymap formatting. - input: use guard(mutex) in suspend/resume callbacks. - input: rename error variables from ret to error and explicitly return 0 on successful resume. - input: remove the unnecessary linux/mod_devicetable.h include. .../bindings/input/nuvoton,ma35d1-keypad.yaml | 75 ++++ drivers/input/keyboard/Kconfig | 11 + drivers/input/keyboard/Makefile | 1 + drivers/input/keyboard/ma35d1_keypad.c | 407 ++++++++++++++++++ 4 files changed, 494 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/nuvoton,ma35d1-keypad.yaml create mode 100644 drivers/input/keyboard/ma35d1_keypad.c -- 2.43.0