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Diffstat (limited to 'arch/arm/mach-imx/clk-imx6q.c')
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c48
1 files changed, 26 insertions, 22 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 4e3148ce852d..4282e99f5ca1 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -238,7 +238,7 @@ enum mx6q_clks {
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, usbphy1_gate,
- usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, clk_max
+ usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, eim_slow, clk_max
};
static struct clk *clk[clk_max];
@@ -270,27 +270,16 @@ static struct clk_div_table video_div_table[] = {
{ }
};
-int __init mx6q_clocks_init(void)
+static void __init imx6q_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
int i, irq;
clk[dummy] = imx_clk_fixed("dummy", 0);
-
- /* retrieve the freqency of fixed clocks from device tree */
- for_each_compatible_node(np, NULL, "fixed-clock") {
- u32 rate;
- if (of_property_read_u32(np, "clock-frequency", &rate))
- continue;
-
- if (of_device_is_compatible(np, "fsl,imx-ckil"))
- clk[ckil] = imx_clk_fixed("ckil", rate);
- else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
- clk[ckih] = imx_clk_fixed("ckih", rate);
- else if (of_device_is_compatible(np, "fsl,imx-osc"))
- clk[osc] = imx_clk_fixed("osc", rate);
- }
+ clk[ckil] = imx_obtain_fixed_clock("ckil", 0);
+ clk[ckih] = imx_obtain_fixed_clock("ckih1", 0);
+ clk[osc] = imx_obtain_fixed_clock("osc", 0);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop");
base = of_iomap(np, 0);
@@ -312,7 +301,6 @@ int __init mx6q_clocks_init(void)
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);
/*
* Bit 20 is the reserved and read-only bit, we do this only for:
@@ -360,7 +348,7 @@ int __init mx6q_clocks_init(void)
clk[pll5_post_div] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);
clk[pll5_video_div] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);
- np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ccm");
+ np = ccm_node;
base = of_iomap(np, 0);
WARN_ON(!base);
ccm_base = base;
@@ -481,7 +469,14 @@ int __init mx6q_clocks_init(void)
clk[esai] = imx_clk_gate2("esai", "esai_podf", base + 0x6c, 16);
clk[gpt_ipg] = imx_clk_gate2("gpt_ipg", "ipg", base + 0x6c, 20);
clk[gpt_ipg_per] = imx_clk_gate2("gpt_ipg_per", "ipg_per", base + 0x6c, 22);
- clk[gpu2d_core] = imx_clk_gate2("gpu2d_core", "gpu2d_core_podf", base + 0x6c, 24);
+ if (cpu_is_imx6dl())
+ /*
+ * The multiplexer and divider of imx6q clock gpu3d_shader get
+ * redefined/reused as gpu2d_core_sel and gpu2d_core_podf on imx6dl.
+ */
+ clk[gpu2d_core] = imx_clk_gate2("gpu2d_core", "gpu3d_shader", base + 0x6c, 24);
+ else
+ clk[gpu2d_core] = imx_clk_gate2("gpu2d_core", "gpu2d_core_podf", base + 0x6c, 24);
clk[gpu3d_core] = imx_clk_gate2("gpu3d_core", "gpu3d_core_podf", base + 0x6c, 26);
clk[hdmi_iahb] = imx_clk_gate2("hdmi_iahb", "ahb", base + 0x70, 0);
clk[hdmi_isfr] = imx_clk_gate2("hdmi_isfr", "pll3_pfd1_540m", base + 0x70, 4);
@@ -499,7 +494,14 @@ 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", "axi", base + 0x74, 18);
+ if (cpu_is_imx6dl())
+ /*
+ * The multiplexer and divider of the imx6q clock gpu2d get
+ * redefined/reused as mlb_sys_sel and mlb_sys_clk_podf on imx6dl.
+ */
+ clk[mlb] = imx_clk_gate2("mlb", "gpu2d_core_podf", base + 0x74, 18);
+ else
+ clk[mlb] = imx_clk_gate2("mlb", "axi", 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);
@@ -528,6 +530,7 @@ int __init mx6q_clocks_init(void)
clk[usdhc2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4);
clk[usdhc3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);
clk[usdhc4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);
+ clk[eim_slow] = imx_clk_gate2("eim_slow", "emi_slow_podf", base + 0x80, 10);
clk[vdo_axi] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12);
clk[vpu_axi] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14);
clk[cko1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7);
@@ -547,6 +550,8 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);
clk_register_clkdev(clk[arm], NULL, "cpu0");
+ clk_register_clkdev(clk[pll4_post_div], "pll4_post_div", NULL);
+ clk_register_clkdev(clk[pll4_audio], "pll4_audio", NULL);
if (imx6q_revision() != IMX_CHIP_REVISION_1_0) {
clk_set_parent(clk[ldb_di0_sel], clk[pll5_video_div]);
@@ -576,6 +581,5 @@ int __init mx6q_clocks_init(void)
WARN_ON(!base);
irq = irq_of_parse_and_map(np, 0);
mxc_timer_init(base, irq);
-
- return 0;
}
+CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init);