[PATCH 02/16] pinctrl: exynos: Parse wakeup-eint parameters from DT
Tomasz Figa
t.figa at samsung.com
Mon Oct 8 04:39:02 EDT 2012
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 at samsung.com>
---
drivers/pinctrl/pinctrl-exynos.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
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) {
--
1.7.12
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