diff options
| author | John Stultz <[email protected]> | 2019-06-03 22:23:18 +0000 |
|---|---|---|
| committer | Sebastian Reichel <[email protected]> | 2019-06-24 23:26:32 +0200 |
| commit | fce5430f6a86911ba3b4c8343ab04a88d7ad7795 (patch) | |
| tree | ea3ee3b3396418b9443435af2fd7ffa5e3c9f0e6 | |
| parent | 9faf929608f52b907d8d41a455f3bee852f3dc85 (diff) | |
reset: qcom-pon: Add support for gen2 pon
Add support for gen2 pon register so "reboot bootloader" can
work on pixel3 and db845.
Cc: Andy Gross <[email protected]>
Cc: David Brown <[email protected]>
Cc: Bjorn Andersson <[email protected]>
Cc: Amit Pundir <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Sebastian Reichel <[email protected]>
Cc: [email protected]
Cc: [email protected]
Reviewed-by: Bjorn Andersson <[email protected]>
Signed-off-by: John Stultz <[email protected]>
v2:
* Split out dts changes into separate path
* Minor cleanups and remove unused variables
Signed-off-by: Sebastian Reichel <[email protected]>
| -rw-r--r-- | drivers/power/reset/qcom-pon.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/power/reset/qcom-pon.c b/drivers/power/reset/qcom-pon.c index 3fa1642d4c54..22a743a0bf28 100644 --- a/drivers/power/reset/qcom-pon.c +++ b/drivers/power/reset/qcom-pon.c @@ -14,11 +14,15 @@ #define PON_SOFT_RB_SPARE 0x8f +#define GEN1_REASON_SHIFT 2 +#define GEN2_REASON_SHIFT 1 + struct pm8916_pon { struct device *dev; struct regmap *regmap; u32 baseaddr; struct reboot_mode_driver reboot_mode; + long reason_shift; }; static int pm8916_reboot_mode_write(struct reboot_mode_driver *reboot, @@ -30,7 +34,7 @@ static int pm8916_reboot_mode_write(struct reboot_mode_driver *reboot, ret = regmap_update_bits(pon->regmap, pon->baseaddr + PON_SOFT_RB_SPARE, - 0xfc, magic << 2); + 0xfc, magic << pon->reason_shift); if (ret < 0) dev_err(pon->dev, "update reboot mode bits failed\n"); @@ -60,6 +64,7 @@ static int pm8916_pon_probe(struct platform_device *pdev) return error; pon->reboot_mode.dev = &pdev->dev; + pon->reason_shift = (long)of_device_get_match_data(&pdev->dev); pon->reboot_mode.write = pm8916_reboot_mode_write; error = devm_reboot_mode_register(&pdev->dev, &pon->reboot_mode); if (error) { @@ -73,8 +78,9 @@ static int pm8916_pon_probe(struct platform_device *pdev) } static const struct of_device_id pm8916_pon_id_table[] = { - { .compatible = "qcom,pm8916-pon" }, - { .compatible = "qcom,pms405-pon" }, + { .compatible = "qcom,pm8916-pon", .data = (void *)GEN1_REASON_SHIFT }, + { .compatible = "qcom,pms405-pon", .data = (void *)GEN1_REASON_SHIFT }, + { .compatible = "qcom,pm8998-pon", .data = (void *)GEN2_REASON_SHIFT }, { } }; MODULE_DEVICE_TABLE(of, pm8916_pon_id_table); |