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[2/4] hi655x-pmic: Make hi655x pmic logic probe child nodes in the dt

Message ID 1464814450-14776-2-git-send-email-john.stultz@linaro.org
State New
Headers show

Commit Message

John Stultz June 1, 2016, 8:54 p.m. UTC 
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.

Signed-off-by: John Stultz <john.stultz@linaro.org>

---
 drivers/mfd/hi655x-pmic.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

-- 
1.9.1
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Patch

diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
index 68ab370..20607af 100644
--- a/drivers/mfd/hi655x-pmic.c
+++ b/drivers/mfd/hi655x-pmic.c
@@ -39,6 +39,16 @@  static const struct regmap_irq hi655x_irqs[] = {
 	{ .reg_offset = 0, .mask = RESERVE_INT },
 };
 
+static struct of_device_id of_hi655x_pmic_child_match_tbl[] = {
+	{ .compatible = "hisilicon,hi6552-regulator-pmic", },
+	{ .compatible = "hisilicon,hi6552-powerkey", },
+	{ .compatible = "hisilicon,hi6552-usbvbus", },
+	{ .compatible = "hisilicon,hi6552-coul", },
+	{ .compatible = "hisilicon,hi6552-pmu-rtc", },
+	{ .compatible = "hisilicon,hi6552-pmic-mntn", },
+	{ /* end */ }
+};
+
 static const struct regmap_irq_chip hi655x_irq_chip = {
 	.name = "hi655x-pmic",
 	.irqs = hi655x_irqs,
@@ -123,6 +133,9 @@  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) {