1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <dt-bindings/clock/imx6ul-clock.h>
9 #include <linux/clk-provider.h>
13 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
21 static const char *pll_bypass_src_sels[] = { "osc", "dummy", };
30 static const char *step_sels[] = { "osc", "ca7_secondary_sel", };
36 static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "pll2_bypass_src", };
37 static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "osc", };
53 static const char *can_sels[] = { "pll3_60m", "osc", "pll3_80m", "dummy", };
54 static const char *ecspi_sels[] = { "pll3_60m", "osc", };
55 static const char *uart_sels[] = { "pll3_80m", "osc", };
56 static const char *perclk_sels[] = { "ipg", "osc", };
58 static const char *csi_sels[] = { "osc", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
67 				   "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "osc", "dummy",
138 	clk_hw_data->num = IMX6UL_CLK_END;  in imx6ul_clocks_init()
139 	hws = clk_hw_data->hws;  in imx6ul_clocks_init()
144 	hws[IMX6UL_CLK_OSC] = imx_get_clk_hw_by_name(ccm_node, "osc");  in imx6ul_clocks_init()
150 	np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-anatop");  in imx6ul_clocks_init()
163 	hws[IMX6UL_CLK_PLL1] = imx_clk_hw_pllv3(IMX_PLLV3_SYS,	 "pll1", "osc", base + 0x00, 0x7f);  in imx6ul_clocks_init()
164 	hws[IMX6UL_CLK_PLL2] = imx_clk_hw_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1);  in imx6ul_clocks_init()
165 	hws[IMX6UL_CLK_PLL3] = imx_clk_hw_pllv3(IMX_PLLV3_USB,	 "pll3", "osc", base + 0x10, 0x3);  in imx6ul_clocks_init()
166 	hws[IMX6UL_CLK_PLL4] = imx_clk_hw_pllv3(IMX_PLLV3_AV,	 "pll4", "osc", base + 0x70, 0x7f);  in imx6ul_clocks_init()
167 	hws[IMX6UL_CLK_PLL5] = imx_clk_hw_pllv3(IMX_PLLV3_AV,	 "pll5", "osc", base + 0xa0, 0x7f);  in imx6ul_clocks_init()
168 	hws[IMX6UL_CLK_PLL6] = imx_clk_hw_pllv3(IMX_PLLV3_ENET,	 "pll6", "osc", base + 0xe0, 0x3);  in imx6ul_clocks_init()
169 	hws[IMX6UL_CLK_PLL7] = imx_clk_hw_pllv3(IMX_PLLV3_USB,	 "pll7", "osc", base + 0x20, 0x3);  in imx6ul_clocks_init()
179 	/* Do not bypass PLLs initially */  in imx6ul_clocks_init()
180 	clk_set_parent(hws[IMX6UL_PLL1_BYPASS]->clk, hws[IMX6UL_CLK_PLL1]->clk);  in imx6ul_clocks_init()
181 	clk_set_parent(hws[IMX6UL_PLL2_BYPASS]->clk, hws[IMX6UL_CLK_PLL2]->clk);  in imx6ul_clocks_init()
182 	clk_set_parent(hws[IMX6UL_PLL3_BYPASS]->clk, hws[IMX6UL_CLK_PLL3]->clk);  in imx6ul_clocks_init()
183 	clk_set_parent(hws[IMX6UL_PLL4_BYPASS]->clk, hws[IMX6UL_CLK_PLL4]->clk);  in imx6ul_clocks_init()
184 	clk_set_parent(hws[IMX6UL_PLL5_BYPASS]->clk, hws[IMX6UL_CLK_PLL5]->clk);  in imx6ul_clocks_init()
185 	clk_set_parent(hws[IMX6UL_PLL6_BYPASS]->clk, hws[IMX6UL_CLK_PLL6]->clk);  in imx6ul_clocks_init()
186 	clk_set_parent(hws[IMX6UL_PLL7_BYPASS]->clk, hws[IMX6UL_CLK_PLL7]->clk);  in imx6ul_clocks_init()
197 	 * Bit 20 is the reserved and read-only bit, we do this only for:  in imx6ul_clocks_init()
198 	 * - Do nothing for usbphy clk_enable/disable  in imx6ul_clocks_init()
199 	 * - Keep refcount when do usbphy clk_enable/disable, in that case,  in imx6ul_clocks_init()
245 	hws[IMX6UL_CLK_GPT_3M]	   = imx_clk_hw_fixed_factor("gpt_3m",	"osc",		 1,	8);  in imx6ul_clocks_init()
491 	hws[IMX6UL_CLK_ENET1_REF_SEL] = imx_clk_gpr_mux("enet1_ref_sel", "fsl,imx6ul-iomuxc-gpr",  in imx6ul_clocks_init()
496 	hws[IMX6UL_CLK_ENET2_REF_SEL] = imx_clk_gpr_mux("enet2_ref_sel", "fsl,imx6ul-iomuxc-gpr",  in imx6ul_clocks_init()
511 	clk_set_rate(hws[IMX6UL_CLK_AHB]->clk, 99000000);  in imx6ul_clocks_init()
514 	clk_set_parent(hws[IMX6UL_CLK_PERIPH_CLK2_SEL]->clk, hws[IMX6UL_CLK_OSC]->clk);  in imx6ul_clocks_init()
515 	clk_set_parent(hws[IMX6UL_CLK_PERIPH]->clk, hws[IMX6UL_CLK_PERIPH_CLK2]->clk);  in imx6ul_clocks_init()
516 	clk_set_parent(hws[IMX6UL_CLK_PERIPH_PRE]->clk, hws[IMX6UL_CLK_PLL2_BUS]->clk);  in imx6ul_clocks_init()
517 	clk_set_parent(hws[IMX6UL_CLK_PERIPH]->clk, hws[IMX6UL_CLK_PERIPH_PRE]->clk);  in imx6ul_clocks_init()
520 	clk_set_rate(hws[IMX6UL_CLK_AHB]->clk, 132000000);  in imx6ul_clocks_init()
522 	/* set perclk to from OSC */  in imx6ul_clocks_init()
523 	clk_set_parent(hws[IMX6UL_CLK_PERCLK_SEL]->clk, hws[IMX6UL_CLK_OSC]->clk);  in imx6ul_clocks_init()
525 	clk_set_rate(hws[IMX6UL_CLK_ENET_REF]->clk, 50000000);  in imx6ul_clocks_init()
526 	clk_set_rate(hws[IMX6UL_CLK_ENET2_REF]->clk, 50000000);  in imx6ul_clocks_init()
527 	clk_set_rate(hws[IMX6UL_CLK_CSI]->clk, 24000000);  in imx6ul_clocks_init()
530 		clk_prepare_enable(hws[IMX6UL_CLK_AIPSTZ3]->clk);  in imx6ul_clocks_init()
533 		clk_prepare_enable(hws[IMX6UL_CLK_USBPHY1_GATE]->clk);  in imx6ul_clocks_init()
534 		clk_prepare_enable(hws[IMX6UL_CLK_USBPHY2_GATE]->clk);  in imx6ul_clocks_init()
537 	clk_set_parent(hws[IMX6UL_CLK_CAN_SEL]->clk, hws[IMX6UL_CLK_PLL3_80M]->clk);  in imx6ul_clocks_init()
539 		clk_set_parent(hws[IMX6UL_CLK_SIM_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_USB_OTG]->clk);  in imx6ul_clocks_init()
541 		clk_set_parent(hws[IMX6ULL_CLK_EPDC_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_PFD2]->clk);  in imx6ul_clocks_init()
543 	clk_set_parent(hws[IMX6UL_CLK_ENFC_SEL]->clk, hws[IMX6UL_CLK_PLL2_PFD2]->clk);  in imx6ul_clocks_init()
545 	clk_set_parent(hws[IMX6UL_CLK_ENET1_REF_SEL]->clk, hws[IMX6UL_CLK_ENET1_REF_125M]->clk);  in imx6ul_clocks_init()
546 	clk_set_parent(hws[IMX6UL_CLK_ENET2_REF_SEL]->clk, hws[IMX6UL_CLK_ENET2_REF_125M]->clk);  in imx6ul_clocks_init()
551 CLK_OF_DECLARE(imx6ul, "fsl,imx6ul-ccm", imx6ul_clocks_init);