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

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>

diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig
index 83befab..3392a97 100644 (file)
--- a/drivers/mtd/spi-nor/Kconfig
+++ b/drivers/mtd/spi-nor/Kconfig
@@ -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.

diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c
index 04e8a93..9ab2b51 100644 (file)
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -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);