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[RFC,01/16] pinctrl: exynos: Parse wakeup-eint parameters from DT

Message ID 1348842527-22460-2-git-send-email-t.figa@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomasz Figa Sept. 28, 2012, 2:28 p.m. UTC 
This patch converts the pinctrl-exynos driver to parse wakeup interrupt
count and register offsets from device tree. It reduces the amount of
static platform-specific data and facilitates adding further SoC
variants to pinctrl-samsung driver.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
---
 drivers/pinctrl/pinctrl-exynos.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
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Patch

diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index 21362f4..b4b58d4 100644
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c
@@ -435,6 +435,8 @@  static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
 	struct device_node *np;
 	struct exynos_weint_data *weint_data;
 	int idx, irq;
+	u32 val;
+	int ret;
 
 	for_each_child_of_node(dev->of_node, np) {
 		if (of_match_node(exynos_wkup_irq_ids, np)) {
@@ -445,6 +447,26 @@  static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
 	if (!wkup_np)
 		return -ENODEV;
 
+	ret = of_property_read_u32(wkup_np, "samsung,weint-count", &val);
+	if (ret)
+		return -EINVAL;
+	d->ctrl->nr_wint = val;
+
+	ret = of_property_read_u32(wkup_np, "samsung,weint-con", &val);
+	if (ret)
+		return -EINVAL;
+	d->ctrl->weint_con = val;
+
+	ret = of_property_read_u32(wkup_np, "samsung,weint-mask", &val);
+	if (ret)
+		return -EINVAL;
+	d->ctrl->weint_mask = val;
+
+	ret = of_property_read_u32(wkup_np, "samsung,weint-pend", &val);
+	if (ret)
+		return -EINVAL;
+	d->ctrl->weint_pend = val;
+
 	d->wkup_irqd = irq_domain_add_linear(wkup_np, d->ctrl->nr_wint,
 				&exynos_wkup_irqd_ops, d);
 	if (!d->wkup_irqd) {