mfd: ocelot: add external ocelot switch control

Utilize the existing ocelot MFD interface to add switch functionality to
the Microsemi VSC7512 chip.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Acked-for-MFD-by: Lee Jones <lee@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> # regression
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/mfd/ocelot-core.c

@@ -45,6 +45,39 @@
 #define VSC7512_SIO_CTRL_RES_START	0x710700f8
 #define VSC7512_SIO_CTRL_RES_SIZE	0x00000100
 
+#define VSC7512_ANA_RES_START		0x71880000
+#define VSC7512_ANA_RES_SIZE		0x00010000
+
+#define VSC7512_QS_RES_START		0x71080000
+#define VSC7512_QS_RES_SIZE		0x00000100
+
+#define VSC7512_QSYS_RES_START		0x71800000
+#define VSC7512_QSYS_RES_SIZE		0x00200000
+
+#define VSC7512_REW_RES_START		0x71030000
+#define VSC7512_REW_RES_SIZE		0x00010000
+
+#define VSC7512_SYS_RES_START		0x71010000
+#define VSC7512_SYS_RES_SIZE		0x00010000
+
+#define VSC7512_S0_RES_START		0x71040000
+#define VSC7512_S1_RES_START		0x71050000
+#define VSC7512_S2_RES_START		0x71060000
+#define VCAP_RES_SIZE			0x00000400
+
+#define VSC7512_PORT_0_RES_START	0x711e0000
+#define VSC7512_PORT_1_RES_START	0x711f0000
+#define VSC7512_PORT_2_RES_START	0x71200000
+#define VSC7512_PORT_3_RES_START	0x71210000
+#define VSC7512_PORT_4_RES_START	0x71220000
+#define VSC7512_PORT_5_RES_START	0x71230000
+#define VSC7512_PORT_6_RES_START	0x71240000
+#define VSC7512_PORT_7_RES_START	0x71250000
+#define VSC7512_PORT_8_RES_START	0x71260000
+#define VSC7512_PORT_9_RES_START	0x71270000
+#define VSC7512_PORT_10_RES_START	0x71280000
+#define VSC7512_PORT_RES_SIZE		0x00010000
+
 #define VSC7512_GCB_RST_SLEEP_US	100
 #define VSC7512_GCB_RST_TIMEOUT_US	100000
 
@@ -96,6 +129,28 @@ static const struct resource vsc7512_sgpio_resources[] = {
 	DEFINE_RES_REG_NAMED(VSC7512_SIO_CTRL_RES_START, VSC7512_SIO_CTRL_RES_SIZE, "gcb_sio"),
 };
 
+static const struct resource vsc7512_switch_resources[] = {
+	DEFINE_RES_REG_NAMED(VSC7512_ANA_RES_START, VSC7512_ANA_RES_SIZE, "ana"),
+	DEFINE_RES_REG_NAMED(VSC7512_QS_RES_START, VSC7512_QS_RES_SIZE, "qs"),
+	DEFINE_RES_REG_NAMED(VSC7512_QSYS_RES_START, VSC7512_QSYS_RES_SIZE, "qsys"),
+	DEFINE_RES_REG_NAMED(VSC7512_REW_RES_START, VSC7512_REW_RES_SIZE, "rew"),
+	DEFINE_RES_REG_NAMED(VSC7512_SYS_RES_START, VSC7512_SYS_RES_SIZE, "sys"),
+	DEFINE_RES_REG_NAMED(VSC7512_S0_RES_START, VCAP_RES_SIZE, "s0"),
+	DEFINE_RES_REG_NAMED(VSC7512_S1_RES_START, VCAP_RES_SIZE, "s1"),
+	DEFINE_RES_REG_NAMED(VSC7512_S2_RES_START, VCAP_RES_SIZE, "s2"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_0_RES_START, VSC7512_PORT_RES_SIZE, "port0"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_1_RES_START, VSC7512_PORT_RES_SIZE, "port1"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_2_RES_START, VSC7512_PORT_RES_SIZE, "port2"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_3_RES_START, VSC7512_PORT_RES_SIZE, "port3"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_4_RES_START, VSC7512_PORT_RES_SIZE, "port4"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_5_RES_START, VSC7512_PORT_RES_SIZE, "port5"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_6_RES_START, VSC7512_PORT_RES_SIZE, "port6"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_7_RES_START, VSC7512_PORT_RES_SIZE, "port7"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_8_RES_START, VSC7512_PORT_RES_SIZE, "port8"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_9_RES_START, VSC7512_PORT_RES_SIZE, "port9"),
+	DEFINE_RES_REG_NAMED(VSC7512_PORT_10_RES_START, VSC7512_PORT_RES_SIZE, "port10")
+};
+
 static const struct mfd_cell vsc7512_devs[] = {
 	{
 		.name = "ocelot-pinctrl",
@@ -121,6 +176,11 @@ static const struct mfd_cell vsc7512_devs[] = {
 		.use_of_reg = true,
 		.num_resources = ARRAY_SIZE(vsc7512_miim1_resources),
 		.resources = vsc7512_miim1_resources,
+	}, {
+		.name = "ocelot-switch",
+		.of_compatible = "mscc,vsc7512-switch",
+		.num_resources = ARRAY_SIZE(vsc7512_switch_resources),
+		.resources = vsc7512_switch_resources,
 	},
 };