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Unverified Commit 32215a6c authored by Jay Fang's avatar Jay Fang Committed by Mark Brown
Browse files

spi: dw-mmio: add ACPI support 



The Hisilicon Hip08 platform, that uses ACPI, has this controller.
Let's add ACPI support for DW SPI MMIO-based host.

The ACPI ID used is "HISI0173" for the Designware SPI controller of
Hisilicon Hip08 platform.

Signed-off-by: default avatarJay Fang <f.fangjian@huawei.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2527704d

drivers/spi/spi-dw-mmio.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/of.h>

#include <linux/of.h>

#include <linux/of_gpio.h>

#include <linux/of_gpio.h>

#include <linux/of_platform.h>

#include <linux/of_platform.h>

#include <linux/acpi.h>

#include <linux/property.h>

#include <linux/property.h>

#include <linux/regmap.h>

#include <linux/regmap.h>
@@ -243,12 +244,19 @@ static const struct of_device_id dw_spi_mmio_of_match[] = { 
};

};

MODULE_DEVICE_TABLE(of, dw_spi_mmio_of_match);

MODULE_DEVICE_TABLE(of, dw_spi_mmio_of_match);





static const struct acpi_device_id dw_spi_mmio_acpi_match[] = {

	{"HISI0173", 0},

	{},

};

MODULE_DEVICE_TABLE(acpi, dw_spi_mmio_acpi_match);



static struct platform_driver dw_spi_mmio_driver = {

static struct platform_driver dw_spi_mmio_driver = {

	.probe		= dw_spi_mmio_probe,

	.probe		= dw_spi_mmio_probe,

	.remove		= dw_spi_mmio_remove,

	.remove		= dw_spi_mmio_remove,

	.driver		= {

	.driver		= {

		.name	= DRIVER_NAME,

		.name	= DRIVER_NAME,

		.of_match_table = dw_spi_mmio_of_match,

		.of_match_table = dw_spi_mmio_of_match,

		.acpi_match_table = ACPI_PTR(dw_spi_mmio_acpi_match),

	},

	},

};

};

module_platform_driver(dw_spi_mmio_driver);

module_platform_driver(dw_spi_mmio_driver);

drivers/spi/spi-dw.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -507,6 +507,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) 
	master->handle_err = dw_spi_handle_err;

	master->handle_err = dw_spi_handle_err;

	master->max_speed_hz = dws->max_freq;

	master->max_speed_hz = dws->max_freq;

	master->dev.of_node = dev->of_node;

	master->dev.of_node = dev->of_node;

	master->dev.fwnode = dev->fwnode;

	master->flags = SPI_MASTER_GPIO_SS;

	master->flags = SPI_MASTER_GPIO_SS;





	if (dws->set_cs)

	if (dws->set_cs)