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-rw-r--r--arch/arm/mach-imx/clk-imx6q.c107
1 files changed, 59 insertions, 48 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index e1a17ac7b3b..c0c4e723b7f 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -19,8 +19,9 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
-#include <mach/common.h>
+
#include "clk.h"
+#include "common.h"
#define CCGR0 0x68
#define CCGR1 0x6c
@@ -104,7 +105,7 @@ static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m"
static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", };
static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
-static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
+static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_pfd1_540m", };
static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
@@ -147,21 +148,30 @@ enum mx6q_clks {
esai, gpt_ipg, gpt_ipg_per, gpu2d_core, gpu3d_core, hdmi_iahb,
hdmi_isfr, i2c1, i2c2, i2c3, iim, enfc, ipu1, ipu1_di0, ipu1_di1, ipu2,
ipu2_di0, ldb_di0, ldb_di1, ipu2_di1, hsi_tx, mlb, mmdc_ch0_axi,
- mmdc_ch1_axi, ocram, openvg_axi, pcie_axi, pwm1, pwm2, pwm3, pwm4,
+ mmdc_ch1_axi, ocram, openvg_axi, pcie_axi, pwm1, pwm2, pwm3, pwm4, per1_bch,
gpmi_bch_apb, gpmi_bch, gpmi_io, gpmi_apb, sata, sdma, spba, ssi1,
ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3,
usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg,
- pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, ssi1_ipg,
- ssi2_ipg, ssi3_ipg, rom,
+ 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
};
static struct clk *clk[clk_max];
+static struct clk_onecell_data clk_data;
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;
@@ -188,15 +198,28 @@ int __init mx6q_clocks_init(void)
base = of_iomap(np, 0);
WARN_ON(!base);
- /* type name parent_name base gate_mask div_mask */
- clk[pll1_sys] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1_sys", "osc", base, 0x2000, 0x7f);
- clk[pll2_bus] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2_bus", "osc", base + 0x30, 0x2000, 0x1);
- 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_mlb] = imx_clk_pllv3(IMX_PLLV3_MLB, "pll6_mlb", "osc", base + 0xd0, 0x2000, 0x0);
- clk[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x2000, 0x3);
- clk[pll8_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll8_enet", "osc", base + 0xe0, 0x182000, 0x3);
+ /* type name parent_name base div_mask */
+ clk[pll1_sys] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1_sys", "osc", base, 0x7f);
+ clk[pll2_bus] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2_bus", "osc", base + 0x30, 0x1);
+ clk[pll3_usb_otg] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3_usb_otg", "osc", base + 0x10, 0x3);
+ clk[pll4_audio] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4_audio", "osc", base + 0x70, 0x7f);
+ clk[pll5_video] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5_video", "osc", base + 0xa0, 0x7f);
+ clk[pll6_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6_enet", "osc", base + 0xe0, 0x3);
+ clk[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x3);
+ clk[pll8_mlb] = imx_clk_pllv3(IMX_PLLV3_MLB, "pll8_mlb", "osc", base + 0xd0, 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);
@@ -285,8 +308,10 @@ int __init mx6q_clocks_init(void)
clk[gpu3d_shader] = imx_clk_divider("gpu3d_shader", "gpu3d_shader_sel", base + 0x18, 29, 3);
clk[ipu1_podf] = imx_clk_divider("ipu1_podf", "ipu1_sel", base + 0x3c, 11, 3);
clk[ipu2_podf] = imx_clk_divider("ipu2_podf", "ipu2_sel", base + 0x3c, 16, 3);
- clk[ldb_di0_podf] = imx_clk_divider("ldb_di0_podf", "ldb_di0_sel", base + 0x20, 10, 1);
- clk[ldb_di1_podf] = imx_clk_divider("ldb_di1_podf", "ldb_di1_sel", base + 0x20, 11, 1);
+ clk[ldb_di0_div_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
+ clk[ldb_di0_podf] = imx_clk_divider("ldb_di0_podf", "ldb_di0_div_3_5", base + 0x20, 10, 1);
+ clk[ldb_di1_div_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
+ clk[ldb_di1_podf] = imx_clk_divider("ldb_di1_podf", "ldb_di1_div_3_5", base + 0x20, 11, 1);
clk[ipu1_di0_pre] = imx_clk_divider("ipu1_di0_pre", "ipu1_di0_pre_sel", base + 0x34, 3, 3);
clk[ipu1_di1_pre] = imx_clk_divider("ipu1_di1_pre", "ipu1_di1_pre_sel", base + 0x34, 12, 3);
clk[ipu2_di0_pre] = imx_clk_divider("ipu2_di0_pre", "ipu2_di0_pre_sel", base + 0x38, 3, 3);
@@ -318,7 +343,7 @@ int __init mx6q_clocks_init(void)
clk[ahb] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
/* name parent_name reg shift */
- clk[apbh_dma] = imx_clk_gate2("apbh_dma", "ahb", base + 0x68, 4);
+ clk[apbh_dma] = imx_clk_gate2("apbh_dma", "usdhc3", base + 0x68, 4);
clk[asrc] = imx_clk_gate2("asrc", "asrc_podf", base + 0x68, 6);
clk[can1_ipg] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14);
clk[can1_serial] = imx_clk_gate2("can1_serial", "can_root", base + 0x68, 16);
@@ -351,12 +376,13 @@ int __init mx6q_clocks_init(void)
clk[ldb_di1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14);
clk[ipu2_di1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10);
clk[hsi_tx] = imx_clk_gate2("hsi_tx", "hsi_tx_podf", base + 0x74, 16);
- clk[mlb] = imx_clk_gate2("mlb", "pll6_mlb", base + 0x74, 18);
+ clk[mlb] = imx_clk_gate2("mlb", "pll8_mlb", base + 0x74, 18);
clk[mmdc_ch0_axi] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20);
clk[mmdc_ch1_axi] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22);
clk[ocram] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28);
clk[openvg_axi] = imx_clk_gate2("openvg_axi", "axi", base + 0x74, 30);
clk[pcie_axi] = imx_clk_gate2("pcie_axi", "pcie_axi_sel", base + 0x78, 0);
+ clk[per1_bch] = imx_clk_gate2("per1_bch", "usdhc3", base + 0x78, 12);
clk[pwm1] = imx_clk_gate2("pwm1", "ipg_per", base + 0x78, 16);
clk[pwm2] = imx_clk_gate2("pwm2", "ipg_per", base + 0x78, 18);
clk[pwm3] = imx_clk_gate2("pwm3", "ipg_per", base + 0x78, 20);
@@ -388,46 +414,31 @@ int __init mx6q_clocks_init(void)
pr_err("i.MX6q clk %d: register failed with %ld\n",
i, PTR_ERR(clk[i]));
- clk_register_clkdev(clk[mmdc_ch0_axi], NULL, "mmdc_ch0_axi");
- clk_register_clkdev(clk[mmdc_ch1_axi], NULL, "mmdc_ch1_axi");
+ clk_data.clks = clk;
+ clk_data.clk_num = ARRAY_SIZE(clk);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0");
clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
clk_register_clkdev(clk[twd], NULL, "smp_twd");
- clk_register_clkdev(clk[usboh3], NULL, "usboh3");
- clk_register_clkdev(clk[uart_serial], "per", "2020000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21e8000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21e8000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21ec000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21ec000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21f0000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21f0000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21f4000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21f4000.serial");
- clk_register_clkdev(clk[enet], NULL, "2188000.ethernet");
- clk_register_clkdev(clk[usdhc1], NULL, "2190000.usdhc");
- clk_register_clkdev(clk[usdhc2], NULL, "2194000.usdhc");
- clk_register_clkdev(clk[usdhc3], NULL, "2198000.usdhc");
- clk_register_clkdev(clk[usdhc4], NULL, "219c000.usdhc");
- clk_register_clkdev(clk[i2c1], NULL, "21a0000.i2c");
- clk_register_clkdev(clk[i2c2], NULL, "21a4000.i2c");
- clk_register_clkdev(clk[i2c3], NULL, "21a8000.i2c");
- clk_register_clkdev(clk[ecspi1], NULL, "2008000.ecspi");
- clk_register_clkdev(clk[ecspi2], NULL, "200c000.ecspi");
- clk_register_clkdev(clk[ecspi3], NULL, "2010000.ecspi");
- clk_register_clkdev(clk[ecspi4], NULL, "2014000.ecspi");
- clk_register_clkdev(clk[ecspi5], NULL, "2018000.ecspi");
- clk_register_clkdev(clk[sdma], NULL, "20ec000.sdma");
- clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
- clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
- clk_register_clkdev(clk[ssi1_ipg], NULL, "2028000.ssi");
clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);
+ clk_register_clkdev(clk[arm], NULL, "cpu0");
+
+ /*
+ * The gpmi needs 100MHz frequency in the EDO/Sync mode,
+ * We can not get the 100MHz from the pll2_pfd0_352m.
+ * So choose pll2_pfd2_396m as enfc_sel's parent.
+ */
+ clk_set_parent(clk[enfc_sel], clk[pll2_pfd2_396m]);
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
clk_prepare_enable(clk[clks_init_on[i]]);
+ /* Set initial power mode */
+ imx6q_set_lpm(WAIT_CLOCKED);
+
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);