pinctrl: samsung: Match pin banks with their device nodes
This patch is a preparation for converting the pinctrl-samsung driver to
one GPIO chip and IRQ domain per bank. It binds banks defined by
internal driver data with bank nodes in device tree.
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>
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index 94e1378..f266710 100644
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -794,6 +794,7 @@
int id;
const struct of_device_id *match;
const struct device_node *node = pdev->dev.of_node;
+ struct device_node *np;
struct samsung_pin_ctrl *ctrl;
struct samsung_pin_bank *bank;
int i;
@@ -816,6 +817,18 @@
}
}
+ for_each_child_of_node(node, np) {
+ if (!of_find_property(np, "gpio-controller", NULL))
+ continue;
+ bank = ctrl->pin_banks;
+ for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
+ if (!strcmp(bank->name, np->name)) {
+ bank->of_node = np;
+ break;
+ }
+ }
+ }
+
ctrl->base = pin_base;
pin_base += ctrl->nr_pins;