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path: root/drivers/soc/renesas
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Diffstat (limited to 'drivers/soc/renesas')
-rw-r--r--drivers/soc/renesas/Kconfig12
-rw-r--r--drivers/soc/renesas/renesas-soc.c68
2 files changed, 58 insertions, 22 deletions
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 2cbd03db2cc7..fdc99a05a7e0 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -40,6 +40,11 @@ config ARCH_RMOBILE
select SYS_SUPPORTS_SH_TMU
select SYSC_RMOBILE
+config ARCH_RZG2L
+ bool
+ select PM
+ select PM_GENERIC_DOMAINS
+
config ARCH_RZN1
bool
select ARM_AMBA
@@ -293,9 +298,16 @@ config ARCH_R8A774B1
config ARCH_R9A07G044
bool "ARM64 Platform support for RZ/G2L"
+ select ARCH_RZG2L
help
This enables support for the Renesas RZ/G2L SoC variants.
+config ARCH_R9A07G054
+ bool "ARM64 Platform support for RZ/V2L"
+ select ARCH_RZG2L
+ help
+ This enables support for the Renesas RZ/V2L SoC variants.
+
endif # ARM64
config RST_RCAR
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index 62540ffc581a..92c7b42250ee 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -64,6 +64,10 @@ static const struct renesas_family fam_rzg2l __initconst __maybe_unused = {
.name = "RZ/G2L",
};
+static const struct renesas_family fam_rzv2l __initconst __maybe_unused = {
+ .name = "RZ/V2L",
+};
+
static const struct renesas_family fam_shmobile __initconst __maybe_unused = {
.name = "SH-Mobile",
.reg = 0xe600101c, /* CCCR (Common Chip Code Register) */
@@ -144,6 +148,11 @@ static const struct renesas_soc soc_rz_g2l __initconst __maybe_unused = {
.id = 0x841c447,
};
+static const struct renesas_soc soc_rz_v2l __initconst __maybe_unused = {
+ .family = &fam_rzv2l,
+ .id = 0x8447447,
+};
+
static const struct renesas_soc soc_rcar_m1a __initconst __maybe_unused = {
.family = &fam_rcar_gen1,
};
@@ -334,6 +343,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
#if defined(CONFIG_ARCH_R9A07G044)
{ .compatible = "renesas,r9a07g044", .data = &soc_rz_g2l },
#endif
+#if defined(CONFIG_ARCH_R9A07G054)
+ { .compatible = "renesas,r9a07g054", .data = &soc_rz_v2l },
+#endif
#ifdef CONFIG_ARCH_SH73A0
{ .compatible = "renesas,sh73a0", .data = &soc_shmobile_ag5 },
#endif
@@ -367,6 +379,7 @@ static const struct renesas_id id_prr __initconst = {
static const struct of_device_id renesas_ids[] __initconst = {
{ .compatible = "renesas,bsid", .data = &id_bsid },
{ .compatible = "renesas,r9a07g044-sysc", .data = &id_rzg2l },
+ { .compatible = "renesas,r9a07g054-sysc", .data = &id_rzg2l },
{ .compatible = "renesas,prr", .data = &id_prr },
{ /* sentinel */ }
};
@@ -380,9 +393,11 @@ static int __init renesas_soc_init(void)
const struct renesas_soc *soc;
const struct renesas_id *id;
void __iomem *chipid = NULL;
+ const char *rev_prefix = "";
struct soc_device *soc_dev;
struct device_node *np;
const char *soc_id;
+ int ret;
match = of_match_node(renesas_socs, of_root);
if (!match)
@@ -403,6 +418,17 @@ static int __init renesas_soc_init(void)
chipid = ioremap(family->reg, 4);
}
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ np = of_find_node_by_path("/");
+ of_property_read_string(np, "model", &soc_dev_attr->machine);
+ of_node_put(np);
+
+ soc_dev_attr->family = kstrdup_const(family->name, GFP_KERNEL);
+ soc_dev_attr->soc_id = kstrdup_const(soc_id, GFP_KERNEL);
+
if (chipid) {
product = readl(chipid + id->offset);
iounmap(chipid);
@@ -417,41 +443,39 @@ static int __init renesas_soc_init(void)
eshi = ((product >> 4) & 0x0f) + 1;
eslo = product & 0xf;
+ soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u",
+ eshi, eslo);
+ } else if (id == &id_rzg2l) {
+ eshi = ((product >> 28) & 0x0f);
+ soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u",
+ eshi);
+ rev_prefix = "Rev ";
}
if (soc->id &&
((product & id->mask) >> __ffs(id->mask)) != soc->id) {
pr_warn("SoC mismatch (product = 0x%x)\n", product);
- return -ENODEV;
+ ret = -ENODEV;
+ goto free_soc_dev_attr;
}
}
- soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
- if (!soc_dev_attr)
- return -ENOMEM;
-
- np = of_find_node_by_path("/");
- of_property_read_string(np, "model", &soc_dev_attr->machine);
- of_node_put(np);
-
- soc_dev_attr->family = kstrdup_const(family->name, GFP_KERNEL);
- soc_dev_attr->soc_id = kstrdup_const(soc_id, GFP_KERNEL);
- if (eshi)
- soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u", eshi,
- eslo);
-
- pr_info("Detected Renesas %s %s %s\n", soc_dev_attr->family,
- soc_dev_attr->soc_id, soc_dev_attr->revision ?: "");
+ pr_info("Detected Renesas %s %s %s%s\n", soc_dev_attr->family,
+ soc_dev_attr->soc_id, rev_prefix, soc_dev_attr->revision ?: "");
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
- kfree(soc_dev_attr->revision);
- kfree_const(soc_dev_attr->soc_id);
- kfree_const(soc_dev_attr->family);
- kfree(soc_dev_attr);
- return PTR_ERR(soc_dev);
+ ret = PTR_ERR(soc_dev);
+ goto free_soc_dev_attr;
}
return 0;
+
+free_soc_dev_attr:
+ kfree(soc_dev_attr->revision);
+ kfree_const(soc_dev_attr->soc_id);
+ kfree_const(soc_dev_attr->family);
+ kfree(soc_dev_attr);
+ return ret;
}
early_initcall(renesas_soc_init);