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 --- drivers/power/reset/qcom-pon.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/power/reset/qcom-pon.c b/drivers/power/reset/qcom-pon.c index 3fa1642d4c543..22a743a0bf28c 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); -- 2.17.1
