diff options
| author | Jay Fang <f.fangjian@huawei.com> | 2018-12-03 11:15:50 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-04 17:24:57 +0000 |
| commit | 32215a6c6beb8dcda4bb0759b04ce3c30927963b (patch) | |
| tree | a527ed7de52ea6798c209b2c10dc9595de947a19 | |
| parent | 2527704d8411e2b4241916e8b22505cb4519ce08 (diff) | |
| download | lwn-32215a6c6beb8dcda4bb0759b04ce3c30927963b.tar.gz lwn-32215a6c6beb8dcda4bb0759b04ce3c30927963b.zip | |
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>
| -rw-r--r-- | drivers/spi/spi-dw-mmio.c | 8 | ||||
| -rw-r--r-- | drivers/spi/spi-dw.c | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index 3ffb6a40fe0c..d0dd7814e997 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); diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index b705f2bdb8b9..2e822a56576a 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -507,6 +507,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) master->handle_err = dw_spi_handle_err; master->max_speed_hz = dws->max_freq; master->dev.of_node = dev->of_node; + master->dev.fwnode = dev->fwnode; master->flags = SPI_MASTER_GPIO_SS; if (dws->set_cs) |