[PATCH v2 00/11] net: dsa: ksz9477: use regmap to add I2C support next to SPI

[Sascha Hauer]

On Wed, Jan 11, 2023 at 02:29:45PM +0100, Ahmad Fatoum wrote:
> The Linux DSA driver supports both I2C and SPI as management interface
> by using regmaps as abstraction. barebox regmaps were not quite that
> powerful yet, so we rework our regmaps to support optional formatting
> and then use that to make the KSZ driver work with either I2C or SPI
> transports.
> 
> This series has been tested with both an I2C-connected KSZ8563 and
> a SPI-connected KSZ9563, both of which are supported by the barebox
> KSZ9477 driver.
> 
> v1 -> v2:
>   - Use cdev access size encoded in flags to arrive at correct
>     regmap to use (md -b / md -w works correctly now)
>   - Changed regmap_init_multi prototype to not take an array
>   - Added option for 64bit regmap in regmap_init_multi
>   - Have regmap_init return -ENOSYS if formatted regmap support
>     is needed, but is not compiled in (previously it crashed).
> 
> Ahmad Fatoum (11):
>   regmap: consolidate reg/val format into regmap_format
>   regmap: support formatted read and write
>   regmap: port regmap_init_spi
>   regmap: factor out regmap cdev size calculation
>   net: dsa: ksz9477: switch to regmap_init_spi
>   net: dsa: ksz9477: create regmap cdev for switch registers
>   drivers: base: regmap: introduce REGMAP_I2C
>   dev: add dev_bus_is_spi/i2c helpers
>   net: dsa: ksz9477: refactor to prepare i2c support
>   regmap: i2c: use formatted I/O
>   net: ksz9477: add I2C support

Applied, thanks

Sascha

> 
>  drivers/base/Kconfig               |   2 +
>  drivers/base/regmap/Kconfig        |  14 +
>  drivers/base/regmap/Makefile       |   5 +-
>  drivers/base/regmap/internal.h     |  35 +-
>  drivers/base/regmap/regmap-fmt.c   | 574 +++++++++++++++++++++++++++++
>  drivers/base/regmap/regmap-i2c.c   |  50 ++-
>  drivers/base/regmap/regmap-multi.c | 104 ++++++
>  drivers/base/regmap/regmap-spi.c   |  42 +++
>  drivers/base/regmap/regmap.c       |  66 +++-
>  drivers/mfd/Kconfig                |   4 +
>  drivers/net/Kconfig                |   4 +-
>  drivers/net/ksz9477.c              | 190 +++-------
>  drivers/net/ksz_common.h           | 154 ++++++++
>  drivers/rtc/Kconfig                |   1 +
>  drivers/video/ssd1307fb.c          |   4 +-
>  include/i2c/i2c.h                  |   5 +
>  include/regmap.h                   |  82 +++++
>  include/spi/spi.h                  |   5 +
>  18 files changed, 1166 insertions(+), 175 deletions(-)
>  create mode 100644 drivers/base/regmap/Kconfig
>  create mode 100644 drivers/base/regmap/regmap-fmt.c
>  create mode 100644 drivers/base/regmap/regmap-multi.c
>  create mode 100644 drivers/base/regmap/regmap-spi.c
>  create mode 100644 drivers/net/ksz_common.h
> 
> -- 
> 2.30.2
> 
> 
> 

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