Commit 242b0b39 authored by Peng Ma's avatar Peng Ma Committed by Li Yang
Browse files

soc: fsl: enable acpi support in RCPM driver 



This patch enables ACPI support in RCPM driver.

Signed-off-by: default avatarPeng Ma <peng.ma@nxp.com>
Signed-off-by: default avatarRan Wang <ran.wang_1@nxp.com>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent ccdfc4ae

drivers/soc/fsl/rcpm.c

+22 −2
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/slab.h>

#include <linux/suspend.h>

#include <linux/kernel.h>

#include <linux/acpi.h>



#define RCPM_WAKEUP_CELL_MAX_SIZE	7
@@ -78,8 +79,18 @@ static int rcpm_pm_prepare(struct device *dev) 
				"fsl,rcpm-wakeup", value,

				rcpm->wakeup_cells + 1);



		/*  Wakeup source should refer to current rcpm device */

		if (ret || (np->phandle != value[0]))

		if (ret)

			continue;



		/*

		 * For DT mode, would handle devices with "fsl,rcpm-wakeup"

		 * pointing to the current RCPM node.

		 *

		 * For ACPI mode, currently we assume there is only one

		 * RCPM controller existing.

		 */

		if (is_of_node(dev->fwnode))

			if (np->phandle != value[0])

				continue;



		/* Property "#fsl,rcpm-wakeup-cells" of rcpm node defines the
@@ -172,10 +183,19 @@ static const struct of_device_id rcpm_of_match[] = { 
};

MODULE_DEVICE_TABLE(of, rcpm_of_match);



#ifdef CONFIG_ACPI

static const struct acpi_device_id rcpm_acpi_ids[] = {

	{"NXP0015",},

	{ }

};

MODULE_DEVICE_TABLE(acpi, rcpm_acpi_ids);

#endif



static struct platform_driver rcpm_driver = {

	.driver = {

		.name = "rcpm",

		.of_match_table = rcpm_of_match,

		.acpi_match_table = ACPI_PTR(rcpm_acpi_ids),

		.pm	= &rcpm_pm_ops,

	},

	.probe = rcpm_probe,