sh: pfc: pinctrl legacy group support.

This follows the function support by simply doing 1 pin per group
encapsulation in order to keep with legacy behaviour. This will be
built on incrementally as SoCs define their own pin groups.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 16 insertions, 10 deletions

diff --git a/drivers/sh/pfc/pinctrl.c b/drivers/sh/pfc/pinctrl.c
index e79e379917fc..45e80ee70766 100644
--- a/drivers/sh/pfc/pinctrl.c
+++ b/drivers/sh/pfc/pinctrl.c
@@ -37,29 +37,35 @@ struct sh_pfc_pinctrl {
 
 static struct sh_pfc_pinctrl *sh_pfc_pmx;
 
-/*
- * No group support yet
- */
-static int sh_pfc_get_noop_count(struct pinctrl_dev *pctldev)
+static int sh_pfc_get_groups_count(struct pinctrl_dev *pctldev)
 {
-        return 0;
+        struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
+
+        return pmx->nr_pads;
 }
 
-static const char *sh_pfc_get_noop_name(struct pinctrl_dev *pctldev,
+static const char *sh_pfc_get_group_name(struct pinctrl_dev *pctldev,
                                          unsigned selector)
 {
-        return NULL;
+        struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
+
+        return pmx->pads[selector].name;
 }
 
 static int sh_pfc_get_group_pins(struct pinctrl_dev *pctldev, unsigned group,
                                  const unsigned **pins, unsigned *num_pins)
 {
-        return -ENOTSUPP;
+        struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
+
+        *pins = &pmx->pads[group].number;
+        *num_pins = 1;
+
+        return 0;
 }
 
 static struct pinctrl_ops sh_pfc_pinctrl_ops = {
-        .get_groups_count       = sh_pfc_get_noop_count,
-        .get_group_name         = sh_pfc_get_noop_name,
+        .get_groups_count       = sh_pfc_get_groups_count,
+        .get_group_name         = sh_pfc_get_group_name,
         .get_group_pins         = sh_pfc_get_group_pins,
 };