Re: [PATCH v2 8/9] spi: bcmbca-hsspi: Add driver for newer HSSPI controller

2023-06-02 Thread William Zhang
Hi Jagan, On 06/01/2023 10:54 PM, Jagan Teki wrote: On Wed, May 3, 2023 at 12:29 AM William Zhang wrote: The newer BCMBCA SoCs such as BCM6756, BCM4912 and BCM6855 include an updated SPI controller that add the capability to allow the driver to control chip select explicitly. Driver can

Re: [PATCH v2 8/9] spi: bcmbca-hsspi: Add driver for newer HSSPI controller

2023-06-01 Thread Jagan Teki
On Wed, May 3, 2023 at 12:29 AM William Zhang wrote: > > The newer BCMBCA SoCs such as BCM6756, BCM4912 and BCM6855 include an > updated SPI controller that add the capability to allow the driver to > control chip select explicitly. Driver can control and keep cs low > between the transfers

[PATCH v2 8/9] spi: bcmbca-hsspi: Add driver for newer HSSPI controller

2023-05-02 Thread William Zhang
The newer BCMBCA SoCs such as BCM6756, BCM4912 and BCM6855 include an updated SPI controller that add the capability to allow the driver to control chip select explicitly. Driver can control and keep cs low between the transfers natively. Hence the dummy cs workaround or prepend mode found in the