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Sun, 27 Oct 2024 22:32:32 -0700 (PDT) Received: from troy-WUJIE14-PRO.tailc1d423.ts.net ([120.211.145.167]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-210bc02e941sm43216475ad.204.2024.10.27.22.32.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Oct 2024 22:32:32 -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, linux-riscv@lists.infradead.org Subject: [PATCH v2 0/2] riscv: spacemit: add i2c support to K1 SoC Date: Mon, 28 Oct 2024 13:32:18 +0800 Message-Id: <20241028053220.346283-1-TroyMitchell988@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241027_223234_374416_1E6B4626 X-CRM114-Status: GOOD ( 10.44 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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 | 51 ++ drivers/i2c/busses/Kconfig | 18 + drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-k1.c | 658 ++++++++++++++++++ 4 files changed, 728 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml create mode 100644 drivers/i2c/busses/i2c-k1.c -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv