On Wed, Jun 23, 2021 at 2:46 PM Zhengxun zhengxunli.mxic@gmail.com wrote:
Add a driver for Macronix SPI controller IP.
This patch referred from linux spi-mxic.c. The difference from the linux version is described here.
To adapt uboot spi framework, modify some functions naming.
Remove the incompatible functions of Uboot.
Add dummy byte recalculattion function to support dummy buswidth not align data buswidth operation.(ex: 1-1-4, 1-1-8)
Add Octal mode support.
Signed-off-by: Zhengxun zhengxunli.mxic@gmail.com
drivers/spi/Kconfig | 5 + drivers/spi/Makefile | 1 + drivers/spi/spi-mxic.c | 546 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 552 insertions(+) create mode 100755 drivers/spi/spi-mxic.c
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 1494c91763..ad4b918626 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -255,6 +255,11 @@ config MXS_SPI Enable the MXS SPI controller driver. This driver can be used on the i.MX23 and i.MX28 SoCs.
+config SPI_MXIC
bool "Macronix MX25F0A SPI controller"helpThis selects the Macronix MX25F0A SPI controller driver.config NXP_FSPI bool "NXP FlexSPI driver" depends on SPI_MEM diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index cfe4fae1d4..3dc83089b8 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_OMAP3_SPI) += omap3_spi.o obj-$(CONFIG_PIC32_SPI) += pic32_spi.o obj-$(CONFIG_PL022_SPI) += pl022_spi.o obj-$(CONFIG_SPI_QUP) += spi-qup.o +obj-$(CONFIG_SPI_MXIC) += spi-mxic.o obj-$(CONFIG_RENESAS_RPC_SPI) += renesas_rpc_spi.o obj-$(CONFIG_ROCKCHIP_SPI) += rk_spi.o obj-$(CONFIG_SANDBOX_SPI) += sandbox_spi.o diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c new file mode 100755 index 0000000000..7020e3ea87 --- /dev/null +++ b/drivers/spi/spi-mxic.c @@ -0,0 +1,546 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (C) 2021 Macronix International Co., Ltd. +// +// Authors: +// zhengxunli zhengxunli@mxic.com.tw +//
Replace with comment line instead of // except SPDX
/* * */
rest look good to me,
Reviewed-by: Jagan Teki jagan@amarulasolutions.com