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path: root/drivers/soc/tegra/fuse/fuse-tegra.c
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Diffstat (limited to 'drivers/soc/tegra/fuse/fuse-tegra.c')
-rw-r--r--drivers/soc/tegra/fuse/fuse-tegra.c48
1 files changed, 46 insertions, 2 deletions
diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index 7413f60fa855..e4f78de8f95f 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -19,10 +19,12 @@
#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/init.h>
-#include <linux/platform_device.h>
+#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <soc/tegra/common.h>
#include <soc/tegra/fuse.h>
@@ -210,6 +212,31 @@ static void tegra_enable_fuse_clk(void __iomem *base)
writel(reg, base + 0x14);
}
+struct device * __init tegra_soc_device_register(void)
+{
+ struct soc_device_attribute *attr;
+ struct soc_device *dev;
+
+ attr = kzalloc(sizeof(*attr), GFP_KERNEL);
+ if (!attr)
+ return NULL;
+
+ attr->family = kasprintf(GFP_KERNEL, "Tegra");
+ attr->revision = kasprintf(GFP_KERNEL, "%d", tegra_sku_info.revision);
+ attr->soc_id = kasprintf(GFP_KERNEL, "%u", tegra_get_chip_id());
+
+ dev = soc_device_register(attr);
+ if (IS_ERR(dev)) {
+ kfree(attr->soc_id);
+ kfree(attr->revision);
+ kfree(attr->family);
+ kfree(attr);
+ return ERR_CAST(dev);
+ }
+
+ return soc_device_to_device(dev);
+}
+
static int __init tegra_init_fuse(void)
{
const struct of_device_id *match;
@@ -311,6 +338,23 @@ static int __init tegra_init_fuse(void)
pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n",
tegra_sku_info.cpu_speedo_id, tegra_sku_info.soc_speedo_id);
+
return 0;
}
early_initcall(tegra_init_fuse);
+
+#ifdef CONFIG_ARM64
+static int __init tegra_init_soc(void)
+{
+ struct device *soc;
+
+ soc = tegra_soc_device_register();
+ if (IS_ERR(soc)) {
+ pr_err("failed to register SoC device: %ld\n", PTR_ERR(soc));
+ return PTR_ERR(soc);
+ }
+
+ return 0;
+}
+device_initcall(tegra_init_soc)
+#endif