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mtd: spi-nor: fsl-quadspi: add support for ls1021a

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LS1021a also support Freescale Quad SPI controller.
Add fsl-quadspi support for ls1021a chip and make SPI_FSL_QUADSPI
selectable for LS1021A SOC hardwares.

Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
Acked-by: Han xu <han.xu@freescale.com>
Acked-by: Han xu <han.xu@nxp.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Yao Yuan 2016-01-26 15:23:56 +08:00 committed by Brian Norris
parent 2012850be8
commit e8c034b2fb
2 changed files with 11 additions and 1 deletions
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2
drivers/mtd/spi-nor/Kconfig
View file

@ -31,7 +31,7 @@ config MTD_SPI_NOR_USE_4K_SECTORS
config SPI_FSL_QUADSPI
tristate "Freescale Quad SPI controller"
depends on ARCH_MXC || COMPILE_TEST
depends on ARCH_MXC || SOC_LS1021A || COMPILE_TEST
depends on HAS_IOMEM
help
This enables support for the Quad SPI controller in master mode.

10
drivers/mtd/spi-nor/fsl-quadspi.c
View file

@ -213,6 +213,7 @@ enum fsl_qspi_devtype {
FSL_QUADSPI_IMX6SX,
FSL_QUADSPI_IMX7D,
FSL_QUADSPI_IMX6UL,
FSL_QUADSPI_LS1021A,
};
struct fsl_qspi_devtype_data {
@ -258,6 +259,14 @@ static struct fsl_qspi_devtype_data imx6ul_data = {
| QUADSPI_QUIRK_4X_INT_CLK,
};
static struct fsl_qspi_devtype_data ls1021a_data = {
.devtype = FSL_QUADSPI_LS1021A,
.rxfifo = 128,
.txfifo = 64,
.ahb_buf_size = 1024,
.driver_data = 0,
};
#define FSL_QSPI_MAX_CHIP 4
struct fsl_qspi {
struct spi_nor nor[FSL_QSPI_MAX_CHIP];
@ -812,6 +821,7 @@ static const struct of_device_id fsl_qspi_dt_ids[] = {
{ .compatible = "fsl,imx6sx-qspi", .data = (void *)&imx6sx_data, },
{ .compatible = "fsl,imx7d-qspi", .data = (void *)&imx7d_data, },
{ .compatible = "fsl,imx6ul-qspi", .data = (void *)&imx6ul_data, },
{ .compatible = "fsl,ls1021a-qspi", .data = (void *)&ls1021a_data, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, fsl_qspi_dt_ids);