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: Jay Fang <f.fangjian@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 3ffb6a40..d0dd781 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -20,6 +20,7 @@
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_platform.h>
+#include <linux/acpi.h>
#include <linux/property.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);
+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 = {
.probe = dw_spi_mmio_probe,
.remove = dw_spi_mmio_remove,
.driver = {
.name = DRIVER_NAME,
.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);