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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-B4-Tracking": "v=1; b=H4sIANsBRWkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyjHQUlJIzE\n vPSU3UzU4B8JSMDI1NDI0ML3UyjZN2i1OLUEt1E86RUQ2NLI0PjlFQloPqCotS0zAqwWdGxtbU\n Ao4A1YFsAAAA=", "X-Change-ID": "20251218-i2c-reset-a7be139213de", "To": "Troy Mitchell <troy.mitchell@linux.spacemit.com>,\n Andi Shyti <andi.shyti@kernel.org>, Rob Herring <robh@kernel.org>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@gentoo.org>,\n Philipp Zabel <p.zabel@pengutronix.de>, Paul Walmsley <pjw@kernel.org>,\n Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>,\n Alexandre Ghiti <alex@ghiti.fr>", "Cc": "Troy Mitchell <troymitchell988@gmail.com>,\n Guodong Xu <guodong@riscstar.com>, linux-i2c@vger.kernel.org,\n devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,\n spacemit@lists.linux.dev, linux-kernel@vger.kernel.org,\n Encrow Thorne <jyc0019@gmail.com>", "X-Mailer": "b4 0.14.3", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1766130147; l=1131;\n i=jyc0019@gmail.com; s=20251009; h=from:subject:message-id;\n bh=qNd7Kkg/H2zhSsCmeKqv5XE2BPxplo29/JW30z7IwFc=;\n b=IP9PYiLnxh4jarsPPV3BBgqvdAZV84EWSlqmOsx0gleAv9VAbPkrnmv1JaYOb/jF/whJbat21\n mM7tks7h+8dDHF63uWqww3whwCH//d9Myr1eKBAj41dpiIhog/DiS+4", "X-Developer-Key": "i=jyc0019@gmail.com; a=ed25519;\n pk=nnjLv04DUE0FXih6IcJUOjWFTEoo4xYQOu7m5RRHvZ4=" }, "content": "Add reset support for the K1 I2C driver. A reset ensures that the\ncontroller starts in a clean and known state.\n\nReset ensures that the I2C hardware is in a clean state. We cannot assume\nthat no program used I2C before the kernel booted.\n\nSigned-off-by: Encrow Thorne <jyc0019@gmail.com>\n---\nChanges in v2:\n- Replace reset property in dt-bindings.\n- Use devm_reset_control_get_optional_exclusive_deasserted() instead.\n- Rebase to v6.19-rc1.\n- Link to v1: https://lore.kernel.org/r/20251119-i2c-k1_reset-support-v1-0-0e9e82bf9b65@gmail.com\n\n---\nEncrow Thorne (3):\n dt-bindings: i2c: spacemit: add optional resets\n i2c: k1: add reset support\n riscv: dts: spacemit: add reset property\n\n Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml | 3 +++\n arch/riscv/boot/dts/spacemit/k1.dtsi | 8 ++++++++\n drivers/i2c/busses/i2c-k1.c | 7 +++++++\n 3 files changed, 18 insertions(+)\n---\nbase-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8\nchange-id: 20251218-i2c-reset-a7be139213de\n\nBest regards," }