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path: root/drivers/pinctrl/pinconf-generic.c
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Diffstat (limited to 'drivers/pinctrl/pinconf-generic.c')
-rw-r--r--drivers/pinctrl/pinconf-generic.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index f78b416d7984..21b3d90ebb2d 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -264,6 +264,7 @@ int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
unsigned reserve;
struct property *prop;
const char *group;
+ const char *subnode_target_type = "pins";
ret = of_property_read_string(np, "function", &function);
if (ret < 0) {
@@ -284,10 +285,20 @@ int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
reserve++;
if (num_configs)
reserve++;
+
ret = of_property_count_strings(np, "pins");
if (ret < 0) {
- dev_err(dev, "could not parse property pins\n");
- goto exit;
+ ret = of_property_count_strings(np, "groups");
+ if (ret < 0) {
+ dev_err(dev, "could not parse property pins/groups\n");
+ goto exit;
+ }
+ if (type == PIN_MAP_TYPE_INVALID)
+ type = PIN_MAP_TYPE_CONFIGS_GROUP;
+ subnode_target_type = "groups";
+ } else {
+ if (type == PIN_MAP_TYPE_INVALID)
+ type = PIN_MAP_TYPE_CONFIGS_PIN;
}
reserve *= ret;
@@ -296,7 +307,7 @@ int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
if (ret < 0)
goto exit;
- of_property_for_each_string(np, "pins", prop, group) {
+ of_property_for_each_string(np, subnode_target_type, prop, group) {
if (function) {
ret = pinctrl_utils_add_map_mux(pctldev, map,
reserved_maps, num_maps, group,