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([120.211.145.167]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71e774a4243sm682134b3a.131.2024.10.15.00.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 00:51:45 -0700 (PDT) From: Troy Mitchell X-Google-Original-From: Troy Mitchell To: andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: troymitchell988@gmail.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/2] riscv: spacemit: add i2c support to K1 SoC Date: Tue, 15 Oct 2024 15:51:32 +0800 Message-Id: <20241015075134.1449458-1-TroyMitchell988@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi all, This patch implements I2C driver for the SpacemiT K1 SoC, providing basic support for I2C read/write communication which compatible with standard I2C bus specifications. In this version, the driver defaults to use fast-speed-mode and interrupts for transmission, and does not support DMA, high-speed mode, or FIFO. The docs of I2C can be found here, in chapter 16.1 I2C [1] Link: https://developer.spacemit.com/documentation?token=Rn9Kw3iFHirAMgkIpTAcV2Arnkf#part5 [1] Troy Mitchell (2): dt-bindings: i2c: spacemit: add support for K1 SoC i2c: spacemit: add support for SpacemiT K1 SoC .../bindings/i2c/spacemit,k1-i2c.yaml | 59 ++ drivers/i2c/busses/Kconfig | 18 + drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-k1.c | 694 ++++++++++++++++++ 4 files changed, 772 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml create mode 100644 drivers/i2c/busses/i2c-k1.c