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Date: Tue, 22 Mar 2022 07:32:17 +0300 From: Ivan Bornyakov <i.bornyakov@...rotek.ru> To: unlisted-recipients:; (no To-header on input) Cc: Ivan Bornyakov <i.bornyakov@...rotek.ru>, mdf@...nel.org, hao.wu@...el.com, yilun.xu@...el.com, trix@...hat.com, conor.dooley@...rochip.com, robh+dt@...nel.org, system@...rotek.ru, linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org, devicetree@...r.kernel.org Subject: [PATCH v7 0/2] Microchip Polarfire FPGA manager Add support to the FPGA manager for programming Microchip Polarfire FPGAs over slave SPI interface with .dat formatted bitsream image. Changelog: v1 -> v2: fix printk formating v2 -> v3: * replace "microsemi" with "microchip" * replace prefix "microsemi_fpga_" with "mpf_" * more sensible .compatible and .name strings * remove unused defines STATUS_SPI_VIOLATION and STATUS_SPI_ERROR v3 -> v4: fix unused variable warning Put 'mpf_of_ids' definition under conditional compilation, so it would not hang unused if CONFIG_OF is not enabled. v4 -> v5: * prefix defines with MPF_ * mdelay() -> usleep_range() * formatting fixes * add DT bindings doc * rework fpga_manager_ops.write() to fpga_manager_ops.write_sg() We can't parse image header in write_init() because image header size is not known beforehand. Thus parsing need to be done in fpga_manager_ops.write() callback, but fpga_manager_ops.write() also need to be reenterable. On the other hand, fpga_manager_ops.write_sg() is called once. Thus, rework usage of write() callback to write_sg(). v5 -> v6: fix patch applying I forgot to clean up unrelated local changes which lead to error on patch 0001-fpga-microchip-spi-add-Microchip-MPF-FPGA-manager.patch applying on vanilla kernel. v6 ->v7: fix binding doc to pass dt_binding_check Ivan Bornyakov (2): fpga: microchip-spi: add Microchip MPF FPGA manager dt-bindings: fpga: add binding doc for microchip-spi fpga mgr .../fpga/microchip,mpf-spi-fpga-mgr.yaml | 44 ++ drivers/fpga/Kconfig | 10 + drivers/fpga/Makefile | 1 + drivers/fpga/microchip-spi.c | 448 ++++++++++++++++++ 4 files changed, 503 insertions(+) create mode 100644 Documentation/devicetree/bindings/fpga/microchip,mpf-spi-fpga-mgr.yaml create mode 100644 drivers/fpga/microchip-spi.c -- 2.34.1
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