linux-kernel - [RFC v5 net-next 13/13] mfd: ocelot: add ocelot-pinctrl as a supported child interface

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Message-Id: <20211218214954.109755-14-colin.foster@in-advantage.com>
Date:   Sat, 18 Dec 2021 13:49:54 -0800
From:   Colin Foster <colin.foster@...advantage.com>
To:     linux-gpio@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>, UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Lee Jones <lee.jones@...aro.org>
Subject: [RFC v5 net-next 13/13] mfd: ocelot: add ocelot-pinctrl as a supported child interface

The ocelot-pinctrl device is able to be utilized by ocelot_mfd. This simply
enables that child driver.

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
---
 drivers/mfd/ocelot-core.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/mfd/ocelot-core.c b/drivers/mfd/ocelot-core.c
index c67e433f467c..71e062934812 100644
--- a/drivers/mfd/ocelot-core.c
+++ b/drivers/mfd/ocelot-core.c
@@ -113,7 +113,22 @@ static const struct resource vsc7512_miim1_resources[] = {
 	},
 };
 
+static const struct resource vsc7512_pinctrl_resources[] = {
+	{
+		.start = 0x71070034,
+		.end = 0x7107009f,
+		.name = "gcb_gpio",
+		.flags = IORESOURCE_MEM,
+	},
+};
+
 static const struct mfd_cell vsc7512_devs[] = {
+	{
+		.name = "pinctrl-ocelot",
+		.of_compatible = "mscc,ocelot-pinctrl",
+		.num_resources = ARRAY_SIZE(vsc7512_pinctrl_resources),
+		.resources = vsc7512_pinctrl_resources,
+	},
 	{
 		.name = "ocelot-miim1",
 		.of_compatible = "mscc,ocelot-miim",
@@ -164,6 +179,10 @@ int ocelot_mfd_init(struct ocelot_mfd_config *config)
 
 	ret = mfd_add_devices(dev, PLATFORM_DEVID_NONE, vsc7512_devs,
 			      ARRAY_SIZE(vsc7512_devs), NULL, 0, NULL);
+	if (ret) {
+		dev_err(dev, "error adding mfd devices\n");
+		return ret;
+	}
 
 	dev_info(dev, "ocelot mfd core setup complete\n");
 
-- 
2.25.1