diff options
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/tegra/clk-periph.c | 38 | ||||
-rw-r--r-- | drivers/clk/tegra/clk.c | 16 |
2 files changed, 54 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index 5978e81b175b..788486e6331a 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -110,6 +110,44 @@ static void clk_periph_disable(struct clk_hw *hw) gate_ops->disable(gate_hw); } +void tegra_periph_reset_deassert(struct clk *c) +{ + struct clk_hw *hw = __clk_get_hw(c); + struct tegra_clk_periph *periph = to_clk_periph(hw); + struct tegra_clk_periph_gate *gate; + + if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) { + gate = to_clk_periph_gate(hw); + if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) { + WARN_ON(1); + return; + } + } else { + gate = &periph->gate; + } + + tegra_periph_reset(gate, 0); +} + +void tegra_periph_reset_assert(struct clk *c) +{ + struct clk_hw *hw = __clk_get_hw(c); + struct tegra_clk_periph *periph = to_clk_periph(hw); + struct tegra_clk_periph_gate *gate; + + if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) { + gate = to_clk_periph_gate(hw); + if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) { + WARN_ON(1); + return; + } + } else { + gate = &periph->gate; + } + + tegra_periph_reset(gate, 1); +} + const struct clk_ops tegra_clk_periph_ops = { .get_parent = clk_periph_get_parent, .set_parent = clk_periph_set_parent, diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index cf023a937208..a603b9af0ad3 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -16,9 +16,14 @@ #include <linux/clk.h> #include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/clk/tegra.h> #include "clk.h" +/* Global data of Tegra CPU CAR ops */ +struct tegra_cpu_car_ops *tegra_cpu_car_ops; + void __init tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list, struct clk *clks[], int clk_max) { @@ -67,3 +72,14 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl, } } } + +static const struct of_device_id tegra_dt_clk_match[] = { + { .compatible = "nvidia,tegra20-car", .data = tegra20_clock_init }, + { .compatible = "nvidia,tegra30-car", .data = tegra30_clock_init }, + { } +}; + +void __init tegra_clocks_init(void) +{ + of_clk_init(tegra_dt_clk_match); +} |