RE: [Linux-stm32] [PATCH 2/2] spi: spi-mem: add stm32 qspi controller

2018-10-05 Thread Loic PALLARDY
...@vger.kernel.org; Maxime Coquelin ; > linux-st...@st-md-mailman.stormreply.com; linux-arm- > ker...@lists.infradead.org > Subject: [Linux-stm32] [PATCH 2/2] spi: spi-mem: add stm32 qspi controller > > From: Ludovic Barre > > The qspi controller is a specialized communicatio

[PATCH 2/2] spi: spi-mem: add stm32 qspi controller

2018-10-05 Thread Ludovic Barre
From: Ludovic Barre The qspi controller is a specialized communication interface targeting single, dual or quad SPI Flash memories (NOR/NAND). It can operate in any of the following modes: -indirect mode: all the operations are performed using the quadspi registers -read memory-mapped mode: the