From 0b89fc0a367edab09065af722894d186bd0ccb0d Mon Sep 17 00:00:00 2001 From: Chris Morgan Date: Thu, 12 Aug 2021 21:45:42 +0800 Subject: spi: rockchip-sfc: add rockchip serial flash controller Add the rockchip serial flash controller (SFC) driver. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin Tested-by: Peter Geis Tested-by: Chris Morgan Link: https://lore.kernel.org/r/20210812134546.31340-3-jon.lin@rock-chips.com Signed-off-by: Mark Brown --- drivers/spi/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index e71a4c514f7b..83e352b0c8f9 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -658,6 +658,18 @@ config SPI_ROCKCHIP The main usecase of this controller is to use spi flash as boot device. +config SPI_ROCKCHIP_SFC + tristate "Rockchip Serial Flash Controller (SFC)" + depends on ARCH_ROCKCHIP || COMPILE_TEST + depends on HAS_IOMEM && HAS_DMA + help + This enables support for Rockchip serial flash controller. This + is a specialized controller used to access SPI flash on some + Rockchip SOCs. + + ROCKCHIP SFC supports DMA and PIO modes. When DMA is not available, + the driver automatically falls back to PIO mode. + config SPI_RB4XX tristate "Mikrotik RB4XX SPI master" depends on SPI_MASTER && ATH79 -- cgit v1.2.3