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spi: xlp: Add ACPI support for Vulcan SPI controller

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Add ACPI support for SPI controller on Broadcom Vulcan ARM64.

Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kamlakant Patel 2016-08-09 19:35:22 +05:30 • committed by Mark Brown
parent 29b4817d40
commit 097d06192c
1 changed files with 12 additions and 1 deletions
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13
drivers/spi/spi-xlp.c
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@ -11,6 +11,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
*/ */
#include <linux/acpi.h>
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/module.h> #include <linux/module.h>
@ -405,8 +406,9 @@ static int xlp_spi_probe(struct platform_device *pdev)
clk = devm_clk_get(&pdev->dev, NULL); clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) { if (IS_ERR(clk)) {
dev_err(&pdev->dev, "could not get spi clock\n"); dev_err(&pdev->dev, "could not get spi clock\n");
return -ENODEV; return PTR_ERR(clk);
} }
xspi->spi_clk = clk_get_rate(clk); xspi->spi_clk = clk_get_rate(clk);
master = spi_alloc_master(&pdev->dev, 0); master = spi_alloc_master(&pdev->dev, 0);
@ -437,6 +439,14 @@ static int xlp_spi_probe(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_ACPI
static const struct acpi_device_id xlp_spi_acpi_match[] = {
{ "BRCM900D", 0 },
{ },
};
MODULE_DEVICE_TABLE(acpi, xlp_spi_acpi_match);
#endif
static const struct of_device_id xlp_spi_dt_id[] = { static const struct of_device_id xlp_spi_dt_id[] = {
{ .compatible = "netlogic,xlp832-spi" }, { .compatible = "netlogic,xlp832-spi" },
{ }, { },
@ -447,6 +457,7 @@ static struct platform_driver xlp_spi_driver = {
.driver = { .driver = {
.name = "xlp-spi", .name = "xlp-spi",
.of_match_table = xlp_spi_dt_id, .of_match_table = xlp_spi_dt_id,
.acpi_match_table = ACPI_PTR(xlp_spi_acpi_match),
}, },
}; };
module_platform_driver(xlp_spi_driver); module_platform_driver(xlp_spi_driver);