From: Peter De Schrijver <[email protected]> Tegra124 has a clock which consists of a mux and a fractional divider. Add support for this.
Signed-off-by: Peter De Schrijver <[email protected]> Signed-off-by: Thierry Reding <[email protected]> --- drivers/clk/tegra/clk-periph.c | 18 +++++++++++++++--- drivers/clk/tegra/clk-tegra-periph.c | 6 ++++++ drivers/clk/tegra/clk.h | 1 + 3 files changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index b5feccca2f1e..d62b396863c1 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -170,6 +170,14 @@ const struct clk_ops tegra_clk_periph_nodiv_ops = { .disable = clk_periph_disable, }; +const struct clk_ops tegra_clk_periph_no_gate_ops = { + .get_parent = clk_periph_get_parent, + .set_parent = clk_periph_set_parent, + .recalc_rate = clk_periph_recalc_rate, + .round_rate = clk_periph_round_rate, + .set_rate = clk_periph_set_rate, +}; + static struct clk *_tegra_clk_register_periph(const char *name, const char **parent_names, int num_parents, struct tegra_clk_periph *periph, @@ -181,11 +189,15 @@ static struct clk *_tegra_clk_register_periph(const char *name, struct tegra_clk_periph_regs *bank; bool div = !(periph->gate.flags & TEGRA_PERIPH_NO_DIV); - flags |= periph->gate.flags & TEGRA_PERIPH_NO_DIV ? - CLK_SET_RATE_PARENT : 0; + if (periph->gate.flags & TEGRA_PERIPH_NO_DIV) { + flags |= CLK_SET_RATE_PARENT; + init.ops = &tegra_clk_periph_nodiv_ops; + } else if (periph->gate.flags & TEGRA_PERIPH_NO_GATE) + init.ops = &tegra_clk_periph_no_gate_ops; + else + init.ops = &tegra_clk_periph_ops; init.name = name; - init.ops = div ? &tegra_clk_periph_ops : &tegra_clk_periph_nodiv_ops; init.flags = flags; init.parent_names = parent_names; init.num_parents = num_parents; diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 18509821fdc4..d3978e734ad6 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -147,6 +147,12 @@ 29, MASK(3), 0, 0, 8, 1, 0, _clk_num, \ _gate_flags, _clk_id, _parents##_idx, 0, NULL) +#define MUX8_NOGATE_LOCK(_name, _parents, _offset, _clk_id, _lock) \ + TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset, \ + 29, MASK(3), 0, 0, 8, 1, 0, 0, \ + TEGRA_PERIPH_NO_GATE, _clk_id, \ + _parents##_idx, 0, _lock) + #define INT(_name, _parents, _offset, \ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index f984ebed9f1f..40fb011233c0 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -391,6 +391,7 @@ struct tegra_clk_periph_gate { #define TEGRA_PERIPH_ON_APB BIT(2) #define TEGRA_PERIPH_WAR_1005168 BIT(3) #define TEGRA_PERIPH_NO_DIV BIT(4) +#define TEGRA_PERIPH_NO_GATE BIT(5) void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert); extern const struct clk_ops tegra_clk_periph_gate_ops; -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
