diff options
| -rw-r--r-- | Documentation/devicetree/bindings/clock/imx6q-clock.txt | 5 | ||||
| -rw-r--r-- | arch/arm/mach-imx/clk-imx6q.c | 20 | ||||
| -rw-r--r-- | arch/arm/mach-imx/clk-pllv3.c | 63 |
3 files changed, 25 insertions, 63 deletions
diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt index bb71d4f8004..d77b4e68dc4 100644 --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt @@ -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: diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 0d60cb0e30f..d8049d3f980 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -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 }; @@ -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; @@ -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); diff --git a/arch/arm/mach-imx/clk-pllv3.c b/arch/arm/mach-imx/clk-pllv3.c index 36aac947bce..59e74339ab0 100644 --- a/arch/arm/mach-imx/clk-pllv3.c +++ b/arch/arm/mach-imx/clk-pllv3.c @@ -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 = { @@ -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 = { |