[U-Boot] [PATCH v3 0/9] spi: Add Allwinner A31 SPI driver

Jagan Teki
2019-03-06T16:24:52Z

On Wed, Feb 27, 2019 at 8:02 PM Jagan Teki <jagan@amarulasolutions.com> wrote:
>
> This series add support for Allwinner A31 SPI controller driver.
>
> Fixed and improved conde when compared to previous series[1]
>
> Changes for v3:
> - update commit message for "poll rxfifo" patch
> - change SPI_CS argument as SPI_CS(priv, cs)
> - keep 'unsigned long' for register set, since using u16 encounter
> type-casting issues with writel and readl calls
> - change 'unsigned long' to u32 for register bits
> - add detailed commit message for 'spi: sun4i: Add CLK support'
> - use has_soft_reset and has_burst_ctl driver variant flags for
> A31 specific changes
> - add allwinner,sun6i-a31-spi compatible support
> - add fifo_depth support for A31
> - rename sun4i_spi to spi-sunxi.c
> - update spi-sunxi.c Kconfig entry
> Changes for v2:
> - use fifo_sta instead ctl reg in readl_poll
> - use ">=" instead of negotiation in readl_poll condition
> - use SPI_REG, SPI_BIT, SPI_CS macro for code improvement
> - use compatible check for A31 register enablement
> - add allwinner,sun6i-a31-spi compatible
> - exclude driver enable patches, since it has SPI kconfig dependencies.
>
> [1] https://patchwork.ozlabs.org/cover/1041901/
>
> Jagan Teki (9):
> spi: sun4i: Poll for rxfifo to be filled up
> clk: sunxi: Implement SPI clocks, resets
> spi: sun4i: Simplify reg writes using set/clrbits_le32
> spi: sun4i: Access registers and bits via enum offsets
> spi: sun4i: Support fifo_depth via drvdata
> spi: sun4i: Add CLK support
> spi: sun4: Add A31 spi controller support
> spi: sun4i: Driver cleanup
> spi: Rename sun4i_spi.c into spi-sunxi.c

Applied to u-boot-spi/master