openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

spi/hspi: add device tree support 

Support for loading the Renesas HSPI driver via devicetree.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Kuninori Morimoto 2013-10-24 21:53:29 -07:00 committed by Mark Brown
parent a29c8ae718
commit e5f7825cda
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Documentation/devicetree/bindings/spi/sh-hspi.txt Normal file
View File

@ -0,0 +1,7 @@
Renesas HSPI.
Required properties:
- compatible : "renesas,hspi"
- reg : Offset and length of the register set for the device
- interrupts : interrupt line used by HSPI

8
drivers/spi/spi-sh-hspi.c
View File

@ -303,6 +303,7 @@ static int hspi_probe(struct platform_device *pdev)
master->setup = hspi_setup;
master->cleanup = hspi_cleanup;
master->mode_bits = SPI_CPOL | SPI_CPHA;
master->dev.of_node = pdev->dev.of_node;
master->auto_runtime_pm = true;
master->transfer_one_message = hspi_transfer_one_message;
ret = spi_register_master(master);
@ -333,12 +334,19 @@ static int hspi_remove(struct platform_device *pdev)
return 0;
}
static struct of_device_id hspi_of_match[] = {
{ .compatible = "renesas,hspi", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, hspi_of_match);
static struct platform_driver hspi_driver = {
.probe = hspi_probe,
.remove = hspi_remove,
.driver = {
.name = "sh-hspi",
.owner = THIS_MODULE,
.of_match_table = hspi_of_match,
},
};
module_platform_driver(hspi_driver);