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| author | Prashant Gaikwad <pgaikwad@nvidia.com> | 2012-09-13 15:04:33 +0530 |
|---|---|---|
| committer | Stephen Warren <swarren@nvidia.com> | 2012-09-13 11:34:29 -0600 |
| commit | b4350f40f73b75efdceae3d9e04266979acabd8c (patch) | |
| tree | c2d470788d873f102733dad363f973e8ae8c9216 /arch/arm/mach-tegra/tegra20_clocks_data.c | |
| parent | ce32ddaa7087da7c9d43751db423281711a1ff2e (diff) | |
| download | talos-obmc-linux-b4350f40f73b75efdceae3d9e04266979acabd8c.tar.gz talos-obmc-linux-b4350f40f73b75efdceae3d9e04266979acabd8c.zip | |
ARM: Tegra: Add smp_twd clock for Tegra20
Clockevent's frequency is changed upon cpufreq change
notification. It fetches local timer's rate to update the
clockevent frequency. This patch adds local timer clock
for Tegra20.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/tegra20_clocks_data.c')
| -rw-r--r-- | arch/arm/mach-tegra/tegra20_clocks_data.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c index 1eb50674721e..1a35c003fba8 100644 --- a/arch/arm/mach-tegra/tegra20_clocks_data.c +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -583,6 +583,34 @@ static struct clk_tegra tegra_cclk_hw = { DEFINE_CLK_TEGRA(cclk, 0, &tegra_super_ops, 0, mux_cclk, mux_cclk_p, NULL); +static const char *mux_twd[] = { + "cclk", +}; + +static struct clk *mux_twd_p[] = { + &tegra_cclk, +}; + +static struct clk tegra_clk_twd; +static struct clk_tegra tegra_clk_twd_hw = { + .hw = { + .clk = &tegra_clk_twd, + }, + .max_rate = 1000000000, + .mul = 1, + .div = 4, +}; + +static struct clk tegra_clk_twd = { + .name = "twd", + .ops = &tegra_twd_ops, + .hw = &tegra_clk_twd_hw.hw, + .parent = &tegra_cclk, + .parent_names = mux_twd, + .parents = mux_twd_p, + .num_parents = ARRAY_SIZE(mux_twd), +}; + static struct clk tegra_sclk; static struct clk_tegra tegra_sclk_hw = { .hw = { @@ -1027,6 +1055,7 @@ static struct clk_duplicate tegra_clk_duplicates[] = { CLK_DUPLICATE("cop", "tegra-avp", "cop"), CLK_DUPLICATE("vde", "tegra-aes", "vde"), CLK_DUPLICATE("cclk", NULL, "cpu"), + CLK_DUPLICATE("twd", "smp_twd", NULL), }; #define CLK(dev, con, ck) \ @@ -1057,6 +1086,7 @@ static struct clk *tegra_ptr_clks[] = { &tegra_pll_x, &tegra_pll_e, &tegra_cclk, + &tegra_clk_twd, &tegra_sclk, &tegra_hclk, &tegra_pclk, |
