layerscape: add 64b/32b target for ls1012ardb device

[openwrt/staging/yousong.git] / target / linux / layerscape / patches-4.4 / 1088-mtd-spi-nor-fsl-quadspi-add-support-for-ls1021a.patch

diff --git a/target/linux/layerscape/patches-4.4/1088-mtd-spi-nor-fsl-quadspi-add-support-for-ls1021a.patch b/target/linux/layerscape/patches-4.4/1088-mtd-spi-nor-fsl-quadspi-add-support-for-ls1021a.patch
new file mode 100644 (file)
index 0000000..a5782ff
--- /dev/null
+++ b/target/linux/layerscape/patches-4.4/1088-mtd-spi-nor-fsl-quadspi-add-support-for-ls1021a.patch
@@ -0,0 +1,63 @@
+From da44c1517526822e73642fc71b034de8fc7d2b43 Mon Sep 17 00:00:00 2001
+From: Yuan Yao <yao.yuan@freescale.com>
+Date: Tue, 17 Nov 2015 16:44:45 +0800
+Subject: [PATCH 088/113] mtd: spi-nor: fsl-quadspi: add support for ls1021a
+
+[context adjustment]
+
+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>
+Integrated-by: Jiang Yutang <yutang.jiang@nxp.com>
+---
+ drivers/mtd/spi-nor/Kconfig       |    2 +-
+ drivers/mtd/spi-nor/fsl-quadspi.c |   10 ++++++++++
+ 2 files changed, 11 insertions(+), 1 deletion(-)
+
+--- a/drivers/mtd/spi-nor/Kconfig
++++ b/drivers/mtd/spi-nor/Kconfig
+@@ -23,7 +23,7 @@ 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.
+--- 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 imx6
+                      | 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_qsp
+       { .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);