netdev - [RFC v5 net-next 11/13] mfd: ocelot-core: add control for the external mdio interface

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Date:   Sat, 18 Dec 2021 13:49:52 -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 11/13] mfd: ocelot-core: add control for the external mdio interface

Utilize the mscc-miim-mdio driver as a child of the ocelot MFD.

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
---
 drivers/mfd/ocelot-core.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/mfd/ocelot-core.c b/drivers/mfd/ocelot-core.c
index 52aa7b824d02..c67e433f467c 100644
--- a/drivers/mfd/ocelot-core.c
+++ b/drivers/mfd/ocelot-core.c
@@ -104,7 +104,22 @@ struct regmap *ocelot_mfd_get_regmap_from_resource(struct device *dev,
 }
 EXPORT_SYMBOL(ocelot_mfd_get_regmap_from_resource);
 
+static const struct resource vsc7512_miim1_resources[] = {
+	{
+		.start = 0x710700c0,
+		.end = 0x710700e3,
+		.name = "gcb_miim1",
+		.flags = IORESOURCE_MEM,
+	},
+};
+
 static const struct mfd_cell vsc7512_devs[] = {
+	{
+		.name = "ocelot-miim1",
+		.of_compatible = "mscc,ocelot-miim",
+		.num_resources = ARRAY_SIZE(vsc7512_miim1_resources),
+		.resources = vsc7512_miim1_resources,
+	},
 	{
 		.name = "ocelot-ext-switch",
 		.of_compatible = "mscc,vsc7512-ext-switch",
-- 
2.25.1