pinctrl: renesas: rzg2l: Add support for custom parameters

In preparation for passing custom params for RZ/V2H(P) SoC assign the
custom params that are being passed via struct rzg2l_pinctrl_data.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240530173857.164073-14-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: prabhakarlad

drivers/pinctrl/renesas/pinctrl-rzg2l.c

@@ -257,6 +257,11 @@ struct rzg2l_pinctrl_data {
 	const struct rzg2l_hwcfg *hwcfg;
 	const u64 *variable_pin_cfg;
 	unsigned int n_variable_pin_cfg;
+	unsigned int num_custom_params;
+	const struct pinconf_generic_params *custom_params;
+#ifdef CONFIG_DEBUG_FS
+	const struct pin_config_item *custom_conf_items;
+#endif
 	void (*pwpr_pfc_lock_unlock)(struct rzg2l_pinctrl *pctrl, bool lock);
 	void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, u16 offset);
 	u32 (*oen_read)(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin);
@@ -2290,6 +2295,13 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
 	pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops;
 	pctrl->desc.confops = &rzg2l_pinctrl_confops;
 	pctrl->desc.owner = THIS_MODULE;
+	if (pctrl->data->num_custom_params) {
+		pctrl->desc.num_custom_params = pctrl->data->num_custom_params;
+		pctrl->desc.custom_params = pctrl->data->custom_params;
+#ifdef CONFIG_DEBUG_FS
+		pctrl->desc.custom_conf_items = pctrl->data->custom_conf_items;
+#endif
+	}
 
 	pins = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pins), GFP_KERNEL);
 	if (!pins)