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yaml
---
r: 340134
b: refs/heads/master
c: 7a04092
h: refs/heads/master
v: v3
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Sascha Hauer committed Nov 22, 2012
1 parent b2e5b69 commit 287f4a1
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Showing 4 changed files with 26 additions and 64 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 13861701a83765cc442ffe9bac0126ec75a3342e
refs/heads/master: 7a04092c733fd72ded1294719046cfdb31feced3
5 changes: 5 additions & 0 deletions trunk/Documentation/devicetree/bindings/clock/imx6q-clock.txt
Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,11 @@ clocks and IDs.
usbphy2 183
ldb_di0_div_3_5 184
ldb_di1_div_3_5 185
sata_ref 186
sata_ref_100m 187
pcie_ref 188
pcie_ref_125m 189
enet_ref 190

Examples:

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20 changes: 19 additions & 1 deletion trunk/arch/arm/mach-imx/clk-imx6q.c
Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,7 @@ enum mx6q_clks {
usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg,
pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg,
ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref,
clk_max
};

Expand All @@ -164,6 +165,13 @@ static enum mx6q_clks const clks_init_on[] __initconst = {
mmdc_ch0_axi, rom,
};

static struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
{ .val = 2, .div = 5, },
{ .val = 3, .div = 4, },
};

int __init mx6q_clocks_init(void)
{
struct device_node *np;
Expand Down Expand Up @@ -196,13 +204,23 @@ int __init mx6q_clocks_init(void)
clk[pll3_usb_otg] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3_usb_otg", "osc", base + 0x10, 0x2000, 0x3);
clk[pll4_audio] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4_audio", "osc", base + 0x70, 0x2000, 0x7f);
clk[pll5_video] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5_video", "osc", base + 0xa0, 0x2000, 0x7f);
clk[pll6_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6_enet", "osc", base + 0xe0, 0x182000, 0x3);
clk[pll6_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6_enet", "osc", base + 0xe0, 0x2000, 0x3);
clk[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x2000, 0x3);
clk[pll8_mlb] = imx_clk_pllv3(IMX_PLLV3_MLB, "pll8_mlb", "osc", base + 0xd0, 0x2000, 0x0);

clk[usbphy1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 6);
clk[usbphy2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 6);

clk[sata_ref] = imx_clk_fixed_factor("sata_ref", "pll6_enet", 1, 5);
clk[pcie_ref] = imx_clk_fixed_factor("pcie_ref", "pll6_enet", 1, 4);

clk[sata_ref_100m] = imx_clk_gate("sata_ref_100m", "sata_ref", base + 0xe0, 20);
clk[pcie_ref_125m] = imx_clk_gate("pcie_ref_125m", "pcie_ref", base + 0xe0, 19);

clk[enet_ref] = clk_register_divider_table(NULL, "enet_ref", "pll6_enet", 0,
base + 0xe0, 0, 2, 0, clk_enet_ref_table,
&imx_ccm_lock);

/* name parent_name reg idx */
clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
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63 changes: 1 addition & 62 deletions trunk/arch/arm/mach-imx/clk-pllv3.c
Original file line number Diff line number Diff line change
Expand Up @@ -287,66 +287,7 @@ static const struct clk_ops clk_pllv3_av_ops = {
static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_pllv3 *pll = to_clk_pllv3(hw);
u32 div = readl_relaxed(pll->base) & pll->div_mask;

switch (div) {
case 0:
return 25000000;
case 1:
return 50000000;
case 2:
return 100000000;
case 3:
return 125000000;
}

return 0;
}

static long clk_pllv3_enet_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
if (rate >= 125000000)
rate = 125000000;
else if (rate >= 100000000)
rate = 100000000;
else if (rate >= 50000000)
rate = 50000000;
else
rate = 25000000;
return rate;
}

static int clk_pllv3_enet_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_pllv3 *pll = to_clk_pllv3(hw);
u32 val, div;

switch (rate) {
case 25000000:
div = 0;
break;
case 50000000:
div = 1;
break;
case 100000000:
div = 2;
break;
case 125000000:
div = 3;
break;
default:
return -EINVAL;
}

val = readl_relaxed(pll->base);
val &= ~pll->div_mask;
val |= div;
writel_relaxed(val, pll->base);

return 0;
return 500000000;
}

static const struct clk_ops clk_pllv3_enet_ops = {
Expand All @@ -355,8 +296,6 @@ static const struct clk_ops clk_pllv3_enet_ops = {
.enable = clk_pllv3_enable,
.disable = clk_pllv3_disable,
.recalc_rate = clk_pllv3_enet_recalc_rate,
.round_rate = clk_pllv3_enet_round_rate,
.set_rate = clk_pllv3_enet_set_rate,
};

static const struct clk_ops clk_pllv3_mlb_ops = {
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