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Diffstat (limited to 'drivers/memory/tegra/mc.h')
-rw-r--r--drivers/memory/tegra/mc.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index afa3ba45c9e6..33e40d600592 100644
--- a/drivers/memory/tegra/mc.h
+++ b/drivers/memory/tegra/mc.h
@@ -78,6 +78,20 @@
#define MC_TIMING_UPDATE BIT(0)
+static inline u32 tegra_mc_scale_percents(u64 val, unsigned int percents)
+{
+ val = val * percents;
+ do_div(val, 100);
+
+ return min_t(u64, val, U32_MAX);
+}
+
+static inline struct tegra_mc *
+icc_provider_to_tegra_mc(struct icc_provider *provider)
+{
+ return container_of(provider, struct tegra_mc, provider);
+}
+
static inline u32 mc_readl(struct tegra_mc *mc, unsigned long offset)
{
return readl_relaxed(mc->regs + offset);
@@ -115,4 +129,12 @@ extern const struct tegra_mc_soc tegra132_mc_soc;
extern const struct tegra_mc_soc tegra210_mc_soc;
#endif
+/*
+ * These IDs are for internal use of Tegra ICC drivers. The ID numbers are
+ * chosen such that they don't conflict with the device-tree ICC node IDs.
+ */
+#define TEGRA_ICC_MC 1000
+#define TEGRA_ICC_EMC 1001
+#define TEGRA_ICC_EMEM 1002
+
#endif /* MEMORY_TEGRA_MC_H */