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Message-Id: <20231207070700.4156557-5-claudiu.beznea.uj@bp.renesas.com>
Date: Thu, 7 Dec 2023 09:06:53 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: s.shtylyov@....ru,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org,
geert+renesas@...der.be,
magnus.damm@...il.com,
mturquette@...libre.com,
sboyd@...nel.org,
linus.walleij@...aro.org,
prabhakar.mahadev-lad.rj@...renesas.com,
biju.das.jz@...renesas.com
Cc: linux-renesas-soc@...r.kernel.org,
netdev@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org,
linux-gpio@...r.kernel.org,
Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v2 04/11] pinctrl: renesas: rzg2l: Add pin configuration support for pinmux groups
From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
On RZ/G3S different Ethernet pins need to be configured with different
settings (e.g., power-source needs to be set, RGMII TXC and TX_CTL pins
need output-enable). Commit adjust driver to allow specifying pin
configuration for pinmux groups. With this, DT settings like the following
are taken into account by driver:
eth0_pins: eth0 {
tx_ctl {
pinmux = <RZG2L_PORT_PINMUX(1, 1, 1)>; /* ET0_TX_CTL */
power-source = <1800>;
output-enable;
drive-strength-microamp = <5200>;
};
};
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
Changes in v2:
- moved num_configs check under num_pinmux check as suggested
- collected Rb tag
drivers/pinctrl/renesas/pinctrl-rzg2l.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 2eb240b731d5..58786455ecf3 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -376,8 +376,11 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
goto done;
}
- if (num_pinmux)
+ if (num_pinmux) {
+ if (num_configs)
+ nmaps += 1;
nmaps += 1;
+ }
if (num_pins)
nmaps += num_pins;
@@ -462,6 +465,16 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
maps[idx].data.mux.function = name;
idx++;
+ if (num_configs) {
+ ret = rzg2l_map_add_config(&maps[idx], name,
+ PIN_MAP_TYPE_CONFIGS_GROUP,
+ configs, num_configs);
+ if (ret < 0)
+ goto remove_group;
+
+ idx++;
+ };
+
dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
ret = 0;
goto done;
--
2.39.2
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