linux-kernel - [PATCH v3 13/15] pinctrl: renesas: pinctrl-rzg2l: Add support for custom parameters

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Message-Id: <20240530173857.164073-14-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Thu, 30 May 2024 18:38:55 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>
Cc: linux-renesas-soc@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Paul Barker <paul.barker.ct@...renesas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v3 13/15] pinctrl: renesas: pinctrl-rzg2l: Add support for custom parameters

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

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

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
v2->v3
- Added gaurd for custom_conf_items in struct rzg2l_pinctrl_data

RFC->v2
- No change
---
 drivers/pinctrl/renesas/pinctrl-rzg2l.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index ea1a08d272a1..1cbf97d416bf 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/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)
-- 
2.34.1