[PATCH v2 0/2] spi: loongson: add bus driver for the loongson spi

From: Yinbo Zhu
Date: Fri Mar 17 2023 - 04:35:22 EST


Loongson platform support spi hardware controller and this series patch
was to add spi driver and binding support.

Change in v2:
1. This [PATCH v2 1/2] dt-bindings patch need depend on clk patch:
https://
lore.kernel.org/all/20230307115022.12846-1-zhuyinbo@xxxxxxxxxxx/
2. Remove the clock-names in spi yaml file.
3. Add "loongson,ls7a-spi" compatible in spi yaml file.
4. Add an || COMPILE_TEST and drop && PCI then add some CONFIG_PCI
macro to limit some pci code.
5. Make the spi driver top code comment block that use C++ style.
6. Drop spi->max_speed_hz.
7. Add a spin_lock for loongson_spi_setup.
8. Add a timeout and cpu_relax() in loongson_spi_write_read_8bit.
9. Add spi_transfer_one and drop transfer and rework entire spi
driver that include some necessary changes.
10. Use module_init replace subsys_initcall.
11. About PM interface that I don't find any issue so I don't add
any changes.

Yinbo Zhu (2):
dt-bindings: spi: add loongson spi
spi: loongson: add bus driver for the loongson spi controller

.../bindings/spi/loongson,ls-spi.yaml | 44 ++
MAINTAINERS | 7 +
drivers/spi/Kconfig | 10 +
drivers/spi/Makefile | 1 +
drivers/spi/spi-loongson.c | 459 ++++++++++++++++++
5 files changed, 521 insertions(+)

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2.20.1