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Commit 097d0619 authored by Kamlakant Patel's avatar Kamlakant Patel Committed by Mark Brown
Browse files

spi: xlp: Add ACPI support for Vulcan SPI controller 



Add ACPI support for SPI controller on Broadcom Vulcan ARM64.

Signed-off-by: default avatarKamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 29b4817d

drivers/spi/spi-xlp.c

+12 −1
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#include <linux/acpi.h>

#include <linux/clk.h>

#include <linux/kernel.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);

	if (IS_ERR(clk)) {

		dev_err(&pdev->dev, "could not get spi clock\n");

		return -ENODEV;

		return PTR_ERR(clk);

	}



	xspi->spi_clk = clk_get_rate(clk);



	master = spi_alloc_master(&pdev->dev, 0);
@@ -437,6 +439,14 @@ static int xlp_spi_probe(struct platform_device *pdev) 
	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[] = {

	{ .compatible = "netlogic,xlp832-spi" },

	{ },
@@ -447,6 +457,7 @@ static struct platform_driver xlp_spi_driver = { 
	.driver = {

		.name	= "xlp-spi",

		.of_match_table = xlp_spi_dt_id,

		.acpi_match_table = ACPI_PTR(xlp_spi_acpi_match),

	},

};

module_platform_driver(xlp_spi_driver);