From b8700d506ac4050fd96ce9305df04df811365326 Mon Sep 17 00:00:00 2001 From: Peter De Schrijver Date: Mon, 14 Oct 2013 16:47:37 +0300 Subject: [PATCH] clk: tegra: add common infra for DT clocks Introduce a common infrastructure for sharing clock initialization between SoCs. Signed-off-by: Peter De Schrijver --- drivers/clk/tegra/clk.c | 9 +++++++++ drivers/clk/tegra/clk.h | 7 +++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index 3a95a8757ebc..a0430cd65d7c 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 c49df4dc5ac6..489dad59d1d5 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); -- GitLab