From: Cezary Gapinski <cezary.gapinski@xxxxxxxxx> This series of patches adds support for first generation of SPI interface for STM32F4 family. This version of driver is mostly different to STM32H7 one. Based on linux kernel I2C drivers for STM32 where drivers were splited into STM32F4 and STM32F7 family the same approach seems to be sufficient for SPI STM32 drivers. Therefore STM32H7 driver was moved to spi-stm32h7.c file and register and functions were renamed to be more specific to STM32H7. For current version master mode with full-duplex and 8/16 bit data frame format are supported. There is no TX and RX FIFOs like in STM32H7. DMA capabilility is supported for messages longer than arbitrary number of bytes (that is set already to 16 bytes) when TX and RX channels are set at the same time. Cezary Gapinski (5): spi: stm32: rename STM32 SPI registers and functions to STM32H7 spi: stm32: rename spi-stm32 to spi-stm32h7 spi: stm32: add driver for STM32F4 controller ARM: dts: stm32: add SPI support on STM32F429 SoC spi: stm32: add description about STM32F4 bindings .../devicetree/bindings/spi/spi-stm32.txt | 9 +- arch/arm/boot/dts/stm32f429.dtsi | 60 + drivers/spi/Kconfig | 18 +- drivers/spi/Makefile | 3 +- drivers/spi/spi-stm32.c | 1322 ------------------- drivers/spi/spi-stm32f4.c | 1002 +++++++++++++++ drivers/spi/spi-stm32h7.c | 1340 ++++++++++++++++++++ 7 files changed, 2424 insertions(+), 1330 deletions(-) delete mode 100644 drivers/spi/spi-stm32.c create mode 100644 drivers/spi/spi-stm32f4.c create mode 100644 drivers/spi/spi-stm32h7.c -- 2.7.4
