diff options
Diffstat (limited to 'drivers/clk/tegra/clk-tegra114.c')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra114.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 73303458e886..6c8e053311c3 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -11,6 +11,7 @@ #include <linux/export.h> #include <linux/clk/tegra.h> #include <dt-bindings/clock/tegra114-car.h> +#include <dt-bindings/reset/nvidia,tegra114-car.h> #include "clk.h" #include "clk-id.h" @@ -1272,7 +1273,7 @@ EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init); * * Assert the reset line of the DFLL's DVCO. No return value. */ -void tegra114_clock_assert_dfll_dvco_reset(void) +static void tegra114_clock_assert_dfll_dvco_reset(void) { u32 v; @@ -1281,7 +1282,6 @@ void tegra114_clock_assert_dfll_dvco_reset(void) writel_relaxed(v, clk_base + RST_DFLL_DVCO); tegra114_car_barrier(); } -EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset); /** * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset @@ -1289,7 +1289,7 @@ EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset); * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to * operate. No return value. */ -void tegra114_clock_deassert_dfll_dvco_reset(void) +static void tegra114_clock_deassert_dfll_dvco_reset(void) { u32 v; @@ -1298,7 +1298,26 @@ void tegra114_clock_deassert_dfll_dvco_reset(void) writel_relaxed(v, clk_base + RST_DFLL_DVCO); tegra114_car_barrier(); } -EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset); + +static int tegra114_reset_assert(unsigned long id) +{ + if (id == TEGRA114_RST_DFLL_DVCO) + tegra114_clock_assert_dfll_dvco_reset(); + else + return -EINVAL; + + return 0; +} + +static int tegra114_reset_deassert(unsigned long id) +{ + if (id == TEGRA114_RST_DFLL_DVCO) + tegra114_clock_deassert_dfll_dvco_reset(); + else + return -EINVAL; + + return 0; +} static void __init tegra114_clock_init(struct device_node *np) { @@ -1344,6 +1363,9 @@ static void __init tegra114_clock_init(struct device_node *np) tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks, &pll_x_params); + tegra_init_special_resets(1, tegra114_reset_assert, + tegra114_reset_deassert); + tegra_add_of_provider(np, of_clk_src_onecell_get); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); |