This series add support for Allwinner A31 SPI controller driver.
Compared to previous version[1] separate driver for A31, this patchset is trying to tune the existing sun4i_spi code by adding register set, register bits to support both A10, A31 SPI controllers.
Any inputs? Jagan.
Jagan Teki (10): spi: sun4i: Poll for rxfifo empty 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: kconfig: Enable SUN4I_SPI by default if ARCH_SUNXI board: sopine: Enable SPI/SPI-FLASH
.../sun50i-a64-sopine-baseboard-u-boot.dtsi | 12 + configs/sopine_baseboard_defconfig | 4 + drivers/clk/sunxi/clk_a10.c | 10 + drivers/clk/sunxi/clk_a10s.c | 7 + drivers/clk/sunxi/clk_a23.c | 7 + drivers/clk/sunxi/clk_a31.c | 13 + drivers/clk/sunxi/clk_a64.c | 7 + drivers/clk/sunxi/clk_a80.c | 13 + drivers/clk/sunxi/clk_a83t.c | 7 + drivers/clk/sunxi/clk_h3.c | 7 + drivers/clk/sunxi/clk_h6.c | 9 + drivers/clk/sunxi/clk_r40.c | 13 + drivers/clk/sunxi/clk_v3s.c | 4 + drivers/spi/Kconfig | 5 +- drivers/spi/sun4i_spi.c | 436 ++++++++++++------ 15 files changed, 418 insertions(+), 136 deletions(-) create mode 100644 arch/arm/dts/sun50i-a64-sopine-baseboard-u-boot.dtsi