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 5d41569883a7..143ce1f899ad 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c | |||
@@ -194,6 +194,7 @@ static void __iomem *clk_base; | |||
194 | static void __iomem *pmc_base; | 194 | static void __iomem *pmc_base; |
195 | 195 | ||
196 | static DEFINE_SPINLOCK(pll_div_lock); | 196 | static DEFINE_SPINLOCK(pll_div_lock); |
197 | static DEFINE_SPINLOCK(sysrate_lock); | ||
197 | 198 | ||
198 | #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \ | 199 | #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \ |
199 | _clk_num, _regs, _gate_flags, _clk_id) \ | 200 | _clk_num, _regs, _gate_flags, _clk_id) \ |
@@ -239,8 +240,8 @@ enum tegra20_clk { | |||
239 | uartb = 96, vfir, spdif_in, spdif_out, vi, vi_sensor, tvo, cve, | 240 | uartb = 96, vfir, spdif_in, spdif_out, vi, vi_sensor, tvo, cve, |
240 | osc, clk_32k, clk_m, sclk, cclk, hclk, pclk, blink, pll_a, pll_a_out0, | 241 | osc, clk_32k, clk_m, sclk, cclk, hclk, pclk, blink, pll_a, pll_a_out0, |
241 | pll_c, pll_c_out1, pll_d, pll_d_out0, pll_e, pll_m, pll_m_out1, | 242 | pll_c, pll_c_out1, pll_d, pll_d_out0, pll_e, pll_m, pll_m_out1, |
242 | pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_u, | 243 | pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_s, pll_u, |
243 | pll_x, audio, pll_ref, twd, clk_max, | 244 | pll_x, cop, audio, pll_ref, twd, clk_max, |
244 | }; | 245 | }; |
245 | 246 | ||
246 | static struct clk *clks[clk_max]; | 247 | static struct clk *clks[clk_max]; |
@@ -768,19 +769,21 @@ static void tegra20_super_clk_init(void) | |||
768 | 769 | ||
769 | /* HCLK */ | 770 | /* HCLK */ |
770 | clk = clk_register_divider(NULL, "hclk_div", "sclk", 0, | 771 | clk = clk_register_divider(NULL, "hclk_div", "sclk", 0, |
771 | clk_base + CLK_SYSTEM_RATE, 4, 2, 0, NULL); | 772 | clk_base + CLK_SYSTEM_RATE, 4, 2, 0, |
773 | &sysrate_lock); | ||
772 | clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT, | 774 | clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT, |
773 | clk_base + CLK_SYSTEM_RATE, 7, | 775 | clk_base + CLK_SYSTEM_RATE, 7, |
774 | CLK_GATE_SET_TO_DISABLE, NULL); | 776 | CLK_GATE_SET_TO_DISABLE, &sysrate_lock); |
775 | clk_register_clkdev(clk, "hclk", NULL); | 777 | clk_register_clkdev(clk, "hclk", NULL); |
776 | clks[hclk] = clk; | 778 | clks[hclk] = clk; |
777 | 779 | ||
778 | /* PCLK */ | 780 | /* PCLK */ |
779 | clk = clk_register_divider(NULL, "pclk_div", "hclk", 0, | 781 | clk = clk_register_divider(NULL, "pclk_div", "hclk", 0, |
780 | clk_base + CLK_SYSTEM_RATE, 0, 2, 0, NULL); | 782 | clk_base + CLK_SYSTEM_RATE, 0, 2, 0, |
783 | &sysrate_lock); | ||
781 | clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT, | 784 | clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT, |
782 | clk_base + CLK_SYSTEM_RATE, 3, | 785 | clk_base + CLK_SYSTEM_RATE, 3, |
783 | CLK_GATE_SET_TO_DISABLE, NULL); | 786 | CLK_GATE_SET_TO_DISABLE, &sysrate_lock); |
784 | clk_register_clkdev(clk, "pclk", NULL); | 787 | clk_register_clkdev(clk, "pclk", NULL); |
785 | clks[pclk] = clk; | 788 | clks[pclk] = clk; |
786 | 789 | ||
@@ -1251,8 +1254,11 @@ static __initdata struct tegra_clk_init_table init_table[] = { | |||
1251 | {csite, clk_max, 0, 1}, | 1254 | {csite, clk_max, 0, 1}, |
1252 | {emc, clk_max, 0, 1}, | 1255 | {emc, clk_max, 0, 1}, |
1253 | {cclk, clk_max, 0, 1}, | 1256 | {cclk, clk_max, 0, 1}, |
1254 | {uarta, pll_p, 0, 1}, | 1257 | {uarta, pll_p, 0, 0}, |
1255 | {uartd, pll_p, 0, 1}, | 1258 | {uartb, pll_p, 0, 0}, |
1259 | {uartc, pll_p, 0, 0}, | ||
1260 | {uartd, pll_p, 0, 0}, | ||
1261 | {uarte, pll_p, 0, 0}, | ||
1256 | {usbd, clk_max, 12000000, 0}, | 1262 | {usbd, clk_max, 12000000, 0}, |
1257 | {usb2, clk_max, 12000000, 0}, | 1263 | {usb2, clk_max, 12000000, 0}, |
1258 | {usb3, clk_max, 12000000, 0}, | 1264 | {usb3, clk_max, 12000000, 0}, |