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    Subject[PATCH v4 08/15] clk: tegra: add common infra for DT clocks
    Date
    Introduce a common infrastructure for sharing clock initialization between
    SoCs.

    Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
    ---
    drivers/clk/tegra/clk.c | 9 +++++++++
    drivers/clk/tegra/clk.h | 7 +++++++
    2 files changed, 16 insertions(+), 0 deletions(-)

    diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
    index 3a95a87..a0430cd 100644
    --- a/drivers/clk/tegra/clk.c
    +++ b/drivers/clk/tegra/clk.c
    @@ -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)
    diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
    index c49df4d..489dad5 100644
    --- a/drivers/clk/tegra/clk.h
    +++ b/drivers/clk/tegra/clk.h
    @@ -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);
    --
    1.7.7.rc0.72.g4b5ea.dirty


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