Hi Martin, Thanks for the tip on the build environment, so here it comes: This adds support for the RTL93xx newer generation of Switch SoCs from Realtek. It adds device flags to describe the difference in capabilities with respect to the RTL83xx Socs, support for more than CS#0, parallel IO and SPI bus frequency setting. Birger Koblitz (7): spi: realteak-rtl: Add support for RTL93xx SoCs spi: realtek-rtl: set device capability flags spi: realtek-rtl: allow use of chip-select other than CS0 spi: realtek-rtl: add parallel IO suppport spi: realtek-rtl: set transfer mode in transfer_one_message() spi: realtek-rtl: add support to configure bus speed spi: realtek-rtl: update devicetree documentation .../bindings/spi/realtek,rtl-spi.yaml | 10 + drivers/spi/spi-realtek-rtl.c | 196 ++++++++++++++---- 2 files changed, 162 insertions(+), 44 deletions(-) -- 2.25.1