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freifunkist-firmware/target/linux/layerscape/patches-4.4/1088-mtd-spi-nor-fsl-quadsp...

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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);