RE: [PATCH V1 18/26] spi: tegra114: add support for hw based cs

2019-04-01 Thread Sowjanya Komatineni
> On Tue, Mar 26, 2019 at 10:56:39PM -0700, Sowjanya Komatineni wrote: > > > Tegra SPI driver default uses SW CS control for transfers and HW CS > > control can be enabled through SPI client device node DT property > > nvidia,enable-hw-based-cs and is used only for single transfers. > > Why

Re: [PATCH V1 18/26] spi: tegra114: add support for hw based cs

2019-04-01 Thread Mark Brown
On Tue, Mar 26, 2019 at 10:56:39PM -0700, Sowjanya Komatineni wrote: > Tegra SPI driver default uses SW CS control for transfers and HW CS > control can be enabled through SPI client device node DT property > nvidia,enable-hw-based-cs and is used only for single transfers. Why have a property -

[PATCH V1 18/26] spi: tegra114: add support for hw based cs

2019-03-26 Thread Sowjanya Komatineni
This patch adds support for HW based CS control. Tegra SPI controller supports both HW and SW based CS control transfers. Tegra SPI driver default uses SW CS control for transfers and HW CS control can be enabled through SPI client device node DT property nvidia,enable-hw-based-cs and is used