From 8096e2426d4d61e3a41139b99db5cc554d45b87a Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Sat, 28 Nov 2020 13:13:09 +0000 Subject: [PATCH] pinctrl: renesas: Implement get_pin_muxing() callback Implement get_pin_muxing() callback so that pinmux status command can be used on Renesas platforms. Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das --- drivers/pinctrl/renesas/pfc.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/pinctrl/renesas/pfc.c b/drivers/pinctrl/renesas/pfc.c index b9238d0..6ff9484 100644 --- a/drivers/pinctrl/renesas/pfc.c +++ b/drivers/pinctrl/renesas/pfc.c @@ -449,6 +449,30 @@ static const char *sh_pfc_pinctrl_get_group_name(struct udevice *dev, return priv->pfc.info->groups[selector].name; } +static int sh_pfc_pinctrl_get_pin_muxing(struct udevice *dev, + unsigned int selector, + char *buf, int size) +{ + struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); + struct sh_pfc_pinctrl *pmx = &priv->pmx; + struct sh_pfc *pfc = &priv->pfc; + struct sh_pfc_pin_config *cfg; + const struct sh_pfc_pin *pin; + int idx; + + pin = &priv->pfc.info->pins[selector]; + if (!pin) { + snprintf(buf, size, "Unknown"); + return -EINVAL; + } + + idx = sh_pfc_get_pin_index(pfc, pin->pin); + cfg = &pmx->configs[idx]; + snprintf(buf, size, "%s", cfg->name); + + return 0; +} + static int sh_pfc_pinctrl_get_functions_count(struct udevice *dev) { struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); @@ -815,6 +839,7 @@ static struct pinctrl_ops sh_pfc_pinctrl_ops = { .get_pin_name = sh_pfc_pinctrl_get_pin_name, .get_groups_count = sh_pfc_pinctrl_get_groups_count, .get_group_name = sh_pfc_pinctrl_get_group_name, + .get_pin_muxing = sh_pfc_pinctrl_get_pin_muxing, .get_functions_count = sh_pfc_pinctrl_get_functions_count, .get_function_name = sh_pfc_pinctrl_get_function_name, -- 2.7.4