linux-kernel - [PATCH 0/3] spi: support the SpacemiT K1 SPI controller

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Message-ID: <20250917220724.288127-1-elder@riscstar.com>
Date: Wed, 17 Sep 2025 17:07:20 -0500
From: Alex Elder <elder@...cstar.com>
To: broonie@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org,
	dlan@...too.org,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	p.zabel@...gutronix.de,
	spacemit@...ts.linux.dev,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] spi: support the SpacemiT K1 SPI controller

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