target/linux/layerscape/patches-4.4/1088-mtd-spi-nor-fsl-quadspi-add-support-for-ls1021a.patch

   1 From da44c1517526822e73642fc71b034de8fc7d2b43 Mon Sep 17 00:00:00 2001
   2 From: Yuan Yao <yao.yuan@freescale.com>
   3 Date: Tue, 17 Nov 2015 16:44:45 +0800
   4 Subject: [PATCH 088/113] mtd: spi-nor: fsl-quadspi: add support for ls1021a
   5
   6 [context adjustment]
   7
   8 LS1021a also support Freescale Quad SPI controller.
   9 Add fsl-quadspi support for ls1021a chip and make SPI_FSL_QUADSPI
  10 selectable for LS1021A SOC hardwares.
  11
  12 Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
  13 Acked-by: Han xu <han.xu@freescale.com>
  14 Integrated-by: Jiang Yutang <yutang.jiang@nxp.com>
  15 ---
  16  drivers/mtd/spi-nor/Kconfig       |    2 +-
  17  drivers/mtd/spi-nor/fsl-quadspi.c |   10 ++++++++++
  18  2 files changed, 11 insertions(+), 1 deletion(-)
  19
  20 --- a/drivers/mtd/spi-nor/Kconfig
  21 +++ b/drivers/mtd/spi-nor/Kconfig
  22 @@ -23,7 +23,7 @@ config MTD_SPI_NOR_USE_4K_SECTORS
  23
  24  config SPI_FSL_QUADSPI
  25         tristate "Freescale Quad SPI controller"
  26 -       depends on ARCH_MXC || COMPILE_TEST
  27 +       depends on ARCH_MXC || SOC_LS1021A || COMPILE_TEST
  28         depends on HAS_IOMEM
  29         help
  30           This enables support for the Quad SPI controller in master mode.
  31 --- a/drivers/mtd/spi-nor/fsl-quadspi.c
  32 +++ b/drivers/mtd/spi-nor/fsl-quadspi.c
  33 @@ -213,6 +213,7 @@ enum fsl_qspi_devtype {
  34         FSL_QUADSPI_IMX6SX,
  35         FSL_QUADSPI_IMX7D,
  36         FSL_QUADSPI_IMX6UL,
  37 +       FSL_QUADSPI_LS1021A,
  38  };
  39
  40  struct fsl_qspi_devtype_data {
  41 @@ -258,6 +259,14 @@ static struct fsl_qspi_devtype_data imx6
  42                        | QUADSPI_QUIRK_4X_INT_CLK,
  43  };
  44
  45 +static struct fsl_qspi_devtype_data ls1021a_data = {
  46 +       .devtype = FSL_QUADSPI_LS1021A,
  47 +       .rxfifo = 128,
  48 +       .txfifo = 64,
  49 +       .ahb_buf_size = 1024,
  50 +       .driver_data = 0,
  51 +};
  52 +
  53  #define FSL_QSPI_MAX_CHIP      4
  54  struct fsl_qspi {
  55         struct spi_nor nor[FSL_QSPI_MAX_CHIP];
  56 @@ -812,6 +821,7 @@ static const struct of_device_id fsl_qsp
  57         { .compatible = "fsl,imx6sx-qspi", .data = (void *)&imx6sx_data, },
  58         { .compatible = "fsl,imx7d-qspi", .data = (void *)&imx7d_data, },
  59         { .compatible = "fsl,imx6ul-qspi", .data = (void *)&imx6ul_data, },
  60 +       { .compatible = "fsl,ls1021a-qspi", .data = (void *)&ls1021a_data, },
  61         { /* sentinel */ }
  62  };
  63  MODULE_DEVICE_TABLE(of, fsl_qspi_dt_ids);