Commit 4dea2fd6 authored by Dmitry Baryshkov's avatar Dmitry Baryshkov Committed by Sebastian Reichel
Browse files

power: reset: qcom-pon: add support for pm8941-pon 



For PM8941 we don't have a defined field to store the reset reason.
Support wrapping pwrkey and resin, but without writing the reset
reason.

Reviewed-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 7a54cf02

drivers/power/reset/qcom-pon.c

+15 −7
Original line number Diff line number Diff line
@@ -17,6 +17,8 @@ 
#define GEN1_REASON_SHIFT		2

#define GEN2_REASON_SHIFT		1



#define NO_REASON_SHIFT			0



struct pm8916_pon {

	struct device *dev;

	struct regmap *regmap;
@@ -45,6 +47,7 @@ static int pm8916_reboot_mode_write(struct reboot_mode_driver *reboot, 
static int pm8916_pon_probe(struct platform_device *pdev)

{

	struct pm8916_pon *pon;

	long reason_shift;

	int error;



	pon = devm_kzalloc(&pdev->dev, sizeof(*pon), GFP_KERNEL);
@@ -64,14 +67,18 @@ static int pm8916_pon_probe(struct platform_device *pdev) 
	if (error)

		return error;



	reason_shift = (long)of_device_get_match_data(&pdev->dev);



	if (reason_shift != NO_REASON_SHIFT) {

		pon->reboot_mode.dev = &pdev->dev;

	pon->reason_shift = (long)of_device_get_match_data(&pdev->dev);

		pon->reason_shift = reason_shift;

		pon->reboot_mode.write = pm8916_reboot_mode_write;

		error = devm_reboot_mode_register(&pdev->dev, &pon->reboot_mode);

		if (error) {

			dev_err(&pdev->dev, "can't register reboot mode\n");

			return error;

		}

	}



	platform_set_drvdata(pdev, pon);
@@ -80,6 +87,7 @@ static int pm8916_pon_probe(struct platform_device *pdev) 


static const struct of_device_id pm8916_pon_id_table[] = {

	{ .compatible = "qcom,pm8916-pon", .data = (void *)GEN1_REASON_SHIFT },

	{ .compatible = "qcom,pm8941-pon", .data = (void *)NO_REASON_SHIFT },

	{ .compatible = "qcom,pms405-pon", .data = (void *)GEN1_REASON_SHIFT },

	{ .compatible = "qcom,pm8998-pon", .data = (void *)GEN2_REASON_SHIFT },

	{ .compatible = "qcom,pmk8350-pon", .data = (void *)GEN2_REASON_SHIFT },