clk: tegra: add common infra for DT clocks

Introduce a common infrastructure for sharing clock initialization between
SoCs.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
This commit is contained in:
Peter De Schrijver 2013-10-14 16:47:37 +03:00
parent a59ba9565e
commit b8700d506a
2 changed files with 16 additions and 0 deletions

View File

@ -212,6 +212,15 @@ void __init tegra_add_of_provider(struct device_node *np)
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
struct clk ** __init tegra_lookup_dt_id(int clk_id,
struct tegra_clk *tegra_clk)
{
if (tegra_clk[clk_id].present)
return &clks[tegra_clk[clk_id].dt_id];
else
return NULL;
}
tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
void __init tegra_clocks_apply_init_table(void)

View File

@ -568,6 +568,11 @@ struct tegra_clk_duplicate {
}, \
}
struct tegra_clk {
int dt_id;
bool present;
};
void tegra_init_from_table(struct tegra_clk_init_table *tbl,
struct clk *clks[], int clk_max);
@ -577,6 +582,8 @@ void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
struct tegra_clk_periph_regs *get_reg_bank(int clkid);
struct clk **tegra_clk_init(int num, int periph_banks);
struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk);
void tegra_add_of_provider(struct device_node *np);
void tegra114_clock_tune_cpu_trimmers_high(void);