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[75.72.117.212]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-4244afa9f6fsm2346335ab.22.2025.09.17.15.07.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Sep 2025 15:07:28 -0700 (PDT) From: Alex Elder To: broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, dlan@gentoo.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, p.zabel@pengutronix.de, spacemit@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/3] spi: support the SpacemiT K1 SPI controller Date: Wed, 17 Sep 2025 17:07:20 -0500 Message-ID: <20250917220724.288127-1-elder@riscstar.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series adds support for the SPI controller found in the SpacemiT K1 SoC. The driver currently supports only master mode. It has two 32-entry FIFOs and supports PIO and DMA for transfers. -Alex Alex Elder (3): dt-bindings: spi: add SpacemiT K1 SPI support spi: spacemit: introduce SpacemiT K1 SPI controller driver riscv: dts: spacemit: define a SPI controller node .../bindings/spi/spacemit,k1-spi.yaml | 94 ++ .../boot/dts/spacemit/k1-bananapi-f3.dts | 6 + arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 20 + arch/riscv/boot/dts/spacemit/k1.dtsi | 19 + drivers/spi/Kconfig | 8 + drivers/spi/Makefile | 1 + drivers/spi/spi-spacemit-k1.c | 985 ++++++++++++++++++ 7 files changed, 1133 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spacemit,k1-spi.yaml create mode 100644 drivers/spi/spi-spacemit-k1.c base-commit: 590b221ed4256fd6c34d3dea77aa5bd6e741bbc1 -- 2.48.1