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| author |   Thierry Reding <treding@nvidia.com> | 2014-07-29 10:17:53 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-11-26 09:43:23 +0100 |
| commit | 4f4f85fa0b96a35429ebb4bc278d70ae0f72113c (patch) | |
| tree | 566618d20763f01c8a8b66fa1fe5f621373c4123 /drivers/clk/tegra/clk-tegra114.c | |
| parent | Merge branch 'core' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu (diff) | |
| download | wireguard-linux-4f4f85fa0b96a35429ebb4bc278d70ae0f72113c.tar.xz wireguard-linux-4f4f85fa0b96a35429ebb4bc278d70ae0f72113c.zip | |
clk: tegra: Implement memory-controller clock
The memory controller clock runs either at half or the same frequency as
the EMC clock.
Reviewed-By: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/clk/tegra/clk-tegra114.c')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra114.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index f760f31d05c4..0b03d2cf7264 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -173,6 +173,7 @@ static DEFINE_SPINLOCK(pll_d_lock); static DEFINE_SPINLOCK(pll_d2_lock); static DEFINE_SPINLOCK(pll_u_lock); static DEFINE_SPINLOCK(pll_re_lock); +static DEFINE_SPINLOCK(emc_lock); static struct div_nmp pllxc_nmp = { .divm_shift = 0, @@ -1228,7 +1229,11 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base, ARRAY_SIZE(mux_pllmcp_clkm), CLK_SET_RATE_NO_REPARENT, clk_base + CLK_SOURCE_EMC, - 29, 3, 0, NULL); + 29, 3, 0, &emc_lock); + + clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, + &emc_lock); + clks[TEGRA114_CLK_MC] = clk; for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { data = &tegra_periph_clk_list[i]; |