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spi: mediatek: Add spi bus for Mediatek MT8173

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This patch adds basic spi bus for MT8173.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Leilk Liu
2015-08-07 15:19:50 +08:00
committed by Mark Brown
parent 0d850e7cdc
commit a568231f46
4 changed files with 781 additions and 0 deletions
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9
drivers/spi/Kconfig
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@@ -326,6 +326,15 @@ config SPI_MESON_SPIFC
This enables master mode support for the SPIFC (SPI flash
controller) available in Amlogic Meson SoCs.
config SPI_MT65XX
tristate "MediaTek SPI controller"
depends on ARCH_MEDIATEK || COMPILE_TEST
help
This selects the MediaTek(R) SPI bus driver.
If you want to use MediaTek(R) SPI interface,
say Y or M here.If you are not sure, say N.
SPI drivers for Mediatek MT65XX and MT81XX series ARM SoCs.
config SPI_OC_TINY
tristate "OpenCores tiny SPI"
depends on GPIOLIB || COMPILE_TEST

1
drivers/spi/Makefile
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@@ -48,6 +48,7 @@ obj-$(CONFIG_SPI_MESON_SPIFC) += spi-meson-spifc.o
obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o
obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o
obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o
obj-$(CONFIG_SPI_MT65XX) += spi-mt65xx.o
obj-$(CONFIG_SPI_MXS) += spi-mxs.o
obj-$(CONFIG_SPI_NUC900) += spi-nuc900.o
obj-$(CONFIG_SPI_OC_TINY) += spi-oc-tiny.o

749
drivers/spi/spi-mt65xx.c Normal file
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File diff suppressed because it is too large Load Diff

22
include/linux/platform_data/spi-mt65xx.h Normal file
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@@ -0,0 +1,22 @@
/*
* MTK SPI bus driver definitions
*
* Copyright (c) 2015 MediaTek Inc.
* Author: Leilk Liu <leilk.liu@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ____LINUX_PLATFORM_DATA_SPI_MTK_H
#define ____LINUX_PLATFORM_DATA_SPI_MTK_H
/* Board specific platform_data */
struct mtk_chip_config {
u32 tx_mlsb;
u32 rx_mlsb;
u32 tx_endian;
u32 rx_endian;
};
#endif