Messages in this thread | | | From | Chuanhong Guo <> | Subject | [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem | Date | Sat, 15 Feb 2020 14:58:24 +0800 |
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This patchset adds a spi-mem driver for Mediatek SPI-NOR controller, which already has limited support by mtk-quadspi. For benefits of this replacement, please check commit message of the 1st patch.
To keep patchset small for easier reviewing, there will be 3 patchsets including this one. 1. add the new driver, which is this patchset. 2. update existing dts for the new driver: spi-max-frequency is missing in current mtk-quadspi binding. Old driver parses child node manually so it doesn't need this, but new spi-mem driver is probed via spi subsystem which requires the presence of spi-max-frequency. Since this doesn't break old driver support, I'll send this separately as a standalone patch. 3. removing the old driver. I'll create this commit after 1 and 2 are applied to avoid possible rebasing due to any changes in the old driver.
Chuanhong Guo (2): spi: add support for mediatek spi-nor controller dt-bindings: convert mtk-quadspi binding doc for spi-mtk-nor
.../mtk-quadspi.txt => spi/spi-mtk-nor.txt} | 34 +- drivers/spi/Kconfig | 10 + drivers/spi/Makefile | 1 + drivers/spi/spi-mtk-nor.c | 689 ++++++++++++++++++ 4 files changed, 715 insertions(+), 19 deletions(-) rename Documentation/devicetree/bindings/{mtd/mtk-quadspi.txt => spi/spi-mtk-nor.txt} (62%) create mode 100644 drivers/spi/spi-mtk-nor.c
-- 2.24.1
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