From patchwork Wed Dec 6 01:45:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Liu X-Patchwork-Id: 750798 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="afLkwm+E" Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E23A10CC; Tue, 5 Dec 2023 17:46:11 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id d2e1a72fcca58-6cb749044a2so6692243b3a.0; Tue, 05 Dec 2023 17:46:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701827171; x=1702431971; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=AqnaYhpCrvu4j/R7wQBWuZ3sMmDCeUlCefM7DEmKBhI=; b=afLkwm+EpvJdIVFUtVPDC+a0ui7Xlc2vRkaSZ3TLXU6blcs5H2pLsWIxIQtpmGrA4I DLV4EWAVA2C1TMhY2/Na7z0C7waW4mPkP/qV/T4M8DtMtN2IYQ9UDj3cOZaeYPJuXbdH xGDz/cSaw+WB6klTL/DX8qxWdefUlcM90bz4TwLz1VsMgU3ZnmONVkq7jKFHMqM/6uJX H2wwH7EzFIuzEZUVvnESLO7uivHgBeyKZ/7sbz9296lwLrK2vpwewUxVKkr7sMPidkhS QskAeUMeXzeG4JPs+9AcsxBZj+WQEP9f/m+tfJAgFPFQ3f8vlcSdDLLiiNaACG1UQ2rN SXJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701827171; x=1702431971; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AqnaYhpCrvu4j/R7wQBWuZ3sMmDCeUlCefM7DEmKBhI=; b=PKjkjMcEqAW7+g/lJ0mOskPKJ8FQVkgUhrlnpsb6sT7G/zr3ICmGsRITKpYoYW53Ok +1wliHQ1KwLm32FTD9w9d3CN3w4DYNUCJfJG+FlQz1qMhiAQNnXzZ4+Eu0qR5CCjZjIR uGGc0QEM2F0mR4wbfV9GLuxqb7dBk++68eWehMOX/jZiWK6EfgFHEBC4gIMUm2MyIevc mb5VdPn5xSQEi9JdIhXkzwhq6MdhCbjtjYCdAWwZRf+un0soo4fGQnOV71JdVEOa3/BM jOKMcCaJxyniUs4z576RbGwtzlfV/N3dnD32dqG4IOJ5xLg6V8BY+meIlAz32nxmKXuf 0P1Q== X-Gm-Message-State: AOJu0YzOZNmiuu0/tf+pR3hI4lWqRUmr2Tz6p3W9E2llrqLR4aqUP4HS jFVB/ZR6KIa4uHbfEMONnEg= X-Google-Smtp-Source: AGHT+IE4OEO6AuDf+OS54EW0+E56+iiZ+R9SGm3qCf4t5dLhN0MKFbtRXY+ezoGotQNnhg6g1OocqQ== X-Received: by 2002:a05:6a20:7484:b0:18f:97c:8a1c with SMTP id p4-20020a056a20748400b0018f097c8a1cmr145930pzd.71.1701827170873; Tue, 05 Dec 2023 17:46:10 -0800 (PST) Received: from localhost.localdomain ([112.78.94.69]) by smtp.gmail.com with ESMTPSA id g24-20020aa78758000000b006ce781f6f85sm1250956pfo.43.2023.12.05.17.46.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Dec 2023 17:46:10 -0800 (PST) From: Jim Liu To: JJLIU0@nuvoton.com, krzysztof.kozlowski+dt@linaro.org, linus.walleij@linaro.org, andy@kernel.org, robh+dt@kernel.org, conor+dt@kernel.org, KWLIU@nuvoton.com, jim.t90615@gmail.com Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org Subject: [PATCH v8 0/3] Add Nuvoton NPCM SGPIO feature Date: Wed, 6 Dec 2023 09:45:27 +0800 Message-Id: <20231206014530.1600151-1-jim.t90615@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This SGPIO controller is for NUVOTON NPCM7xx and NPCM8xx SoC. Nuvoton NPCM SGPIO module is combine serial to parallel IC (HC595) and parallel to serial IC (HC165), and use APB3 clock to control it. This interface has 4 pins (D_out , D_in, S_CLK, LDSH). NPCM7xx/NPCM8xx have two sgpio module each module can support up to 64 output pins,and up to 64 input pin, the pin is only for GPI or GPO. GPIO pins have sequential, First half is GPO and second half is GPI. Jim Liu (3): dt-bindings: gpio: add NPCM sgpio driver bindings arm: dts: nuvoton: npcm: Add sgpio feature gpio: nuvoton: Add Nuvoton NPCM sgpio driver .../bindings/gpio/nuvoton,sgpio.yaml | 86 +++ .../dts/nuvoton/nuvoton-common-npcm7xx.dtsi | 24 + drivers/gpio/Kconfig | 7 + drivers/gpio/Makefile | 1 + drivers/gpio/gpio-npcm-sgpio.c | 637 ++++++++++++++++++ 5 files changed, 755 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/nuvoton,sgpio.yaml create mode 100644 drivers/gpio/gpio-npcm-sgpio.c