diff options
| author | Peter De Schrijver <pdeschrijver@nvidia.com> | 2013-04-03 17:40:38 +0300 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2013-04-04 16:10:42 -0600 |
| commit | 7ba28813b41120dd67329fd04dc732ea7fef05a0 (patch) | |
| tree | 6ac134721cc41bbedb8679536b8020b68ebc61b8 /drivers/clk/tegra | |
| parent | dd93587be8dc8acf23a0d8a23efc74a91d8f0dfe (diff) | |
| download | linux-7ba28813b41120dd67329fd04dc732ea7fef05a0.tar.bz2 | |
clk: tegra: introduce TEGRA_PLL_HAS_LOCK_ENABLE
Tegra114 PLLC2 and PLLC3 don't have a lock enable bit. The lock bits are
always functional.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'drivers/clk/tegra')
| -rw-r--r-- | drivers/clk/tegra/clk-pll.c | 5 | ||||
| -rw-r--r-- | drivers/clk/tegra/clk.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 4ee6d03bc575..eaab060cda24 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -108,6 +108,9 @@ static void clk_pll_enable_lock(struct tegra_clk_pll *pll) if (!(pll->flags & TEGRA_PLL_USE_LOCK)) return; + if (!(pll->flags & TEGRA_PLL_HAS_LOCK_ENABLE)) + return; + val = pll_readl_misc(pll); val |= BIT(pll->params->lock_enable_bit_idx); pll_writel_misc(val, pll); @@ -675,6 +678,7 @@ struct clk *tegra_clk_register_pll(const char *name, const char *parent_name, struct clk *clk; pll_flags |= TEGRA_PLL_BYPASS; + pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE; pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags, freq_table, lock); if (IS_ERR(pll)) @@ -698,6 +702,7 @@ struct clk *tegra_clk_register_plle(const char *name, const char *parent_name, struct clk *clk; pll_flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS; + pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE; pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags, freq_table, lock); if (IS_ERR(pll)) diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index fff520ae72fc..17ddb22f7a50 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -185,6 +185,7 @@ struct tegra_clk_pll_params { * TEGRA_PLL_LOCK_MISC - Lock bit is in the misc register instead of the * base register. * TEGRA_PLL_BYPASS - PLL has bypass bit + * TEGRA_PLL_HAS_LOCK_ENABLE - PLL has bit to enable lock monitoring */ struct tegra_clk_pll { struct clk_hw hw; @@ -215,6 +216,7 @@ struct tegra_clk_pll { #define TEGRA_PLLE_CONFIGURE BIT(7) #define TEGRA_PLL_LOCK_MISC BIT(8) #define TEGRA_PLL_BYPASS BIT(9) +#define TEGRA_PLL_HAS_LOCK_ENABLE BIT(10) extern const struct clk_ops tegra_clk_pll_ops; extern const struct clk_ops tegra_clk_plle_ops; |