In trying to wire up the powerkey driver, I found I needed to add this to get the pmic logic to probe child nodes in the dt data.
With this patch, child nodes get properly probed. Cc: Dmitry Torokhov <[email protected]> Cc: Rob Herring <[email protected]> Cc: Pawel Moll <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Ian Campbell <[email protected]> Cc: Kumar Gala <[email protected]> Cc: Lee Jones <[email protected]> Cc: Jorge Ramirez-Ortiz <[email protected]> Cc: Wei Xu <[email protected]> Cc: Guodong Xu <[email protected]> Signed-off-by: John Stultz <[email protected]> --- drivers/mfd/hi655x-pmic.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c index 05ddc78..3511035 100644 --- a/drivers/mfd/hi655x-pmic.c +++ b/drivers/mfd/hi655x-pmic.c @@ -39,6 +39,11 @@ static const struct regmap_irq hi655x_irqs[] = { { .reg_offset = 0, .mask = RESERVE_INT }, }; +static const struct of_device_id of_hi655x_pmic_child_match_tbl[] = { + { .compatible = "hisilicon,hi6552-powerkey", }, + { /* end */ } +}; + static const struct regmap_irq_chip hi655x_irq_chip = { .name = "hi655x-pmic", .irqs = hi655x_irqs, @@ -122,6 +127,9 @@ static int hi655x_pmic_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pmic); + /* populate sub nodes */ + of_platform_populate(np, of_hi655x_pmic_child_match_tbl, NULL, dev); + ret = mfd_add_devices(dev, PLATFORM_DEVID_AUTO, hi655x_pmic_devs, ARRAY_SIZE(hi655x_pmic_devs), NULL, 0, NULL); if (ret) { -- 1.9.1
