memory: tegra: Add per-SoC data for Tegra186

#include <linux/io.h>

#include <linux/module.h>

#include <linux/mod_devicetable.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <dt-bindings/memory/tegra186-mc.h>

struct tegra_mc {

	struct device *dev;

	void __iomem *regs;

};

struct tegra186_mc_client {

	const char *name;

	unsigned int sid;

	} regs;

};

struct tegra186_mc_soc {

	const struct tegra186_mc_client *clients;

	unsigned int num_clients;

};

struct tegra186_mc {

	struct memory_controller base;

	struct device *dev;

	void __iomem *regs;

	const struct tegra186_mc_soc *soc;

};

static const struct tegra186_mc_client tegra186_mc_clients[] = {

	},

};

static const struct tegra186_mc_soc tegra186_mc_soc = {

	.num_clients = ARRAY_SIZE(tegra186_mc_clients),

	.clients = tegra186_mc_clients,

};

static int tegra186_mc_probe(struct platform_device *pdev)

{

	struct tegra186_mc *mc;

	struct resource *res;

	unsigned int i;

	int err = 0;

	int err;

	mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);

	if (!mc)

		return -ENOMEM;

	mc->soc = of_device_get_match_data(&pdev->dev);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	mc->regs = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(mc->regs))

	mc->dev = &pdev->dev;

	for (i = 0; i < ARRAY_SIZE(tegra186_mc_clients); i++) {

		const struct tegra186_mc_client *client = &tegra186_mc_clients[i];

	for (i = 0; i < mc->soc->num_clients; i++) {

		const struct tegra186_mc_client *client = &mc->soc->clients[i];

		u32 override, security;

		override = readl(mc->regs + client->regs.override);

}

static const struct of_device_id tegra186_mc_of_match[] = {

	{ .compatible = "nvidia,tegra186-mc", },

	{ .compatible = "nvidia,tegra186-mc", .data = &tegra186_mc_soc },

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, tegra186_mc_of_match);