On Tue, May 10, 2022 at 03:58:54PM +0000, Vladimir Oltean wrote:

On Sun, May 08, 2022 at 11:53:05AM -0700, Colin Foster wrote:

quoted

+static const struct mfd_cell vsc7512_devs[] = {
+	{
+		.name = "ocelot-pinctrl",
+		.of_compatible = "mscc,ocelot-pinctrl",
+		.num_resources = ARRAY_SIZE(vsc7512_pinctrl_resources),
+		.resources = vsc7512_pinctrl_resources,
+	}, {
+		.name = "ocelot-sgpio",
+		.of_compatible = "mscc,ocelot-sgpio",
+		.num_resources = ARRAY_SIZE(vsc7512_sgpio_resources),
+		.resources = vsc7512_sgpio_resources,
+	}, {
+		.name = "ocelot-miim0",
+		.of_compatible = "mscc,ocelot-miim",
+		.num_resources = ARRAY_SIZE(vsc7512_miim0_resources),
+		.resources = vsc7512_miim0_resources,

I wonder whether you can differentiate these 2 MFD cells by "use_of_reg"
+ "of_reg".

I'll look into this. I figured your question regarding this during
the last v7 wasn't directed at me. If it was: I'm sorry I ignored it.

quoted

+	}, {
+		.name = "ocelot-miim1",
+		.of_compatible = "mscc,ocelot-miim",
+		.num_resources = ARRAY_SIZE(vsc7512_miim1_resources),
+		.resources = vsc7512_miim1_resources,
+	},
+};
+
+const struct of_device_id ocelot_spi_of_match[] = {
+	{ .compatible = "mscc,vsc7512_mfd_spi" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, ocelot_spi_of_match);

Don't forget to add a struct spi_device_id table for the driver.

quoted

+
+static struct spi_driver ocelot_spi_driver = {
+	.driver = {
+		.name = "ocelot_mfd_spi",
+		.of_match_table = of_match_ptr(ocelot_spi_of_match),
+	},
+	.probe = ocelot_spi_probe,
+};
+module_spi_driver(ocelot_spi_driver);

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