[RFC PATCH 01/16] pinctrl: exynos: Parse wakeup-eint parameters from DT
From: Tomasz Figa <hidden>
Date: 2012-09-28 14:28:32
Also in:
linux-devicetree, linux-samsung-soc
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
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 <redacted> --- 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