diff options
Diffstat (limited to 'drivers/clk/tegra/clk-tegra20.c')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra20.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 5d41569883a..143ce1f899a 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -194,6 +194,7 @@ static void __iomem *clk_base; static void __iomem *pmc_base; static DEFINE_SPINLOCK(pll_div_lock); +static DEFINE_SPINLOCK(sysrate_lock); #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \ _clk_num, _regs, _gate_flags, _clk_id) \ @@ -239,8 +240,8 @@ enum tegra20_clk { uartb = 96, vfir, spdif_in, spdif_out, vi, vi_sensor, tvo, cve, osc, clk_32k, clk_m, sclk, cclk, hclk, pclk, blink, pll_a, pll_a_out0, pll_c, pll_c_out1, pll_d, pll_d_out0, pll_e, pll_m, pll_m_out1, - pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_u, - pll_x, audio, pll_ref, twd, clk_max, + pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_s, pll_u, + pll_x, cop, audio, pll_ref, twd, clk_max, }; static struct clk *clks[clk_max]; @@ -768,19 +769,21 @@ static void tegra20_super_clk_init(void) /* HCLK */ clk = clk_register_divider(NULL, "hclk_div", "sclk", 0, - clk_base + CLK_SYSTEM_RATE, 4, 2, 0, NULL); + clk_base + CLK_SYSTEM_RATE, 4, 2, 0, + &sysrate_lock); clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT, clk_base + CLK_SYSTEM_RATE, 7, - CLK_GATE_SET_TO_DISABLE, NULL); + CLK_GATE_SET_TO_DISABLE, &sysrate_lock); clk_register_clkdev(clk, "hclk", NULL); clks[hclk] = clk; /* PCLK */ clk = clk_register_divider(NULL, "pclk_div", "hclk", 0, - clk_base + CLK_SYSTEM_RATE, 0, 2, 0, NULL); + clk_base + CLK_SYSTEM_RATE, 0, 2, 0, + &sysrate_lock); clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT, clk_base + CLK_SYSTEM_RATE, 3, - CLK_GATE_SET_TO_DISABLE, NULL); + CLK_GATE_SET_TO_DISABLE, &sysrate_lock); clk_register_clkdev(clk, "pclk", NULL); clks[pclk] = clk; @@ -1251,8 +1254,11 @@ static __initdata struct tegra_clk_init_table init_table[] = { {csite, clk_max, 0, 1}, {emc, clk_max, 0, 1}, {cclk, clk_max, 0, 1}, - {uarta, pll_p, 0, 1}, - {uartd, pll_p, 0, 1}, + {uarta, pll_p, 0, 0}, + {uartb, pll_p, 0, 0}, + {uartc, pll_p, 0, 0}, + {uartd, pll_p, 0, 0}, + {uarte, pll_p, 0, 0}, {usbd, clk_max, 12000000, 0}, {usb2, clk_max, 12000000, 0}, {usb3, clk_max, 12000000, 0}, |