summaryrefslogtreecommitdiffstats
path: root/drivers/pinctrl/pinctrl-exynos.c
diff options
context:
space:
mode:
authorTomasz Figa <t.figa@samsung.com>2012-10-11 10:11:19 +0200
committerLinus Walleij <linus.walleij@linaro.org>2012-10-15 09:10:12 +0200
commit22b9ba033bb4401e4cceb69c9e1af74a4631dd74 (patch)
tree4ba330cfa27136af9aacd0fb7e72e6b4c0871360 /drivers/pinctrl/pinctrl-exynos.c
parenta04b07c0fc4d63e3fb9fea84d48a177ac5bd9164 (diff)
downloadop-kernel-dev-22b9ba033bb4401e4cceb69c9e1af74a4631dd74.zip
op-kernel-dev-22b9ba033bb4401e4cceb69c9e1af74a4631dd74.tar.gz
pinctrl: exynos: Set pin function to EINT in irq_set_type of wake-up EINT
Pins used as wake-up interrupts need to be configured as EINTs. This patch adds the required configuration code to exynos_wkup_irq_set_type, to set the pin as EINT when its interrupt trigger type is configured. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-exynos.c')
-rw-r--r--drivers/pinctrl/pinctrl-exynos.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index 4bf2fc4..73a0aa2 100644
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c
@@ -257,6 +257,7 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
unsigned long reg_con = d->ctrl->weint_con + bank->eint_offset;
unsigned long shift = EXYNOS_EINT_CON_LEN * pin;
unsigned long con, trig_type;
+ unsigned int mask;
switch (type) {
case IRQ_TYPE_EDGE_RISING:
@@ -288,6 +289,16 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
con &= ~(EXYNOS_EINT_CON_MASK << shift);
con |= trig_type << shift;
writel(con, d->virt_base + reg_con);
+
+ reg_con = bank->pctl_offset;
+ shift = pin * bank->func_width;
+ mask = (1 << bank->func_width) - 1;
+
+ con = readl(d->virt_base + reg_con);
+ con &= ~(mask << shift);
+ con |= EXYNOS_EINT_FUNC << shift;
+ writel(con, d->virt_base + reg_con);
+
return 0;
}
OpenPOWER on IntegriCloud