1 // SPDX-License-Identifier: GPL-2.0+
3  * ZynqMP clock driver
10 #include <clk-uclass.h>
11 #include <clk.h>
241 		debug("Invalid clk id%d\n", id);  in zynqmp_clk_get_register()
323 		return priv->video_clk;  in zynqmp_clk_get_pll_src()
325 		return priv->pss_alt_ref_clk;  in zynqmp_clk_get_pll_src()
327 		return priv->aux_ref_clk;  in zynqmp_clk_get_pll_src()
329 		return priv->gt_crx_ref_clk;  in zynqmp_clk_get_pll_src()
332 	return priv->ps_clk_freq;  in zynqmp_clk_get_pll_src()
346 		return -EIO;  in zynqmp_clk_get_pll_rate()
379 		return -EIO;  in zynqmp_clk_get_cpu_rate()
402 		return -EIO;  in zynqmp_clk_get_ddr_rate()
427 		return -EIO;  in zynqmp_clk_get_peripheral_rate()
462 		return -EIO;  in zynqmp_clk_get_wdt_rate()
474 			return -EIO;  in zynqmp_clk_get_wdt_rate()
505 			new_err = abs(new_rate - rate);  in zynqmp_clk_calc_peripheral_two_divs()
534 		return -EIO;  in zynqmp_clk_set_peripheral_rate()
562 		return -EIO;  in zynqmp_clk_set_peripheral_rate()
568 static ulong zynqmp_clk_get_rate(struct clk *clk)  in zynqmp_clk_get_rate()  argument
570 	struct zynqmp_clk_priv *priv = dev_get_priv(clk->dev);  in zynqmp_clk_get_rate()
571 	enum zynqmp_clk id = clk->id;  in zynqmp_clk_get_rate()
590 		return -ENXIO;  in zynqmp_clk_get_rate()
594 static ulong zynqmp_clk_set_rate(struct clk *clk, ulong rate)  in zynqmp_clk_set_rate()  argument
596 	struct zynqmp_clk_priv *priv = dev_get_priv(clk->dev);  in zynqmp_clk_set_rate()
597 	enum zynqmp_clk id = clk->id;  in zynqmp_clk_set_rate()
606 		return -ENXIO;  in zynqmp_clk_set_rate()
620 	printf("clk\t\tfrequency\n");  in soc_clk_dump()
624 			struct clk clk;  in soc_clk_dump()  local
627 			clk.id = i;  in soc_clk_dump()
628 			ret = clk_request(dev, &clk);  in soc_clk_dump()
632 			rate = clk_get_rate(&clk);  in soc_clk_dump()
634 			clk_free(&clk);  in soc_clk_dump()
636 			if ((rate == (unsigned long)-ENOSYS) ||  in soc_clk_dump()
637 			    (rate == (unsigned long)-ENXIO) ||  in soc_clk_dump()
638 			    (rate == (unsigned long)-EIO))  in soc_clk_dump()
650 	struct clk clk;  in zynqmp_get_freq_by_name()  local
653 	ret = clk_get_by_name(dev, name, &clk);  in zynqmp_get_freq_by_name()
659 	*freq = clk_get_rate(&clk);  in zynqmp_get_freq_by_name()
662 		return -EINVAL;  in zynqmp_get_freq_by_name()
673 	ret = zynqmp_get_freq_by_name("pss_ref_clk", dev, &priv->ps_clk_freq);  in zynqmp_clk_probe()
675 		return -EINVAL;  in zynqmp_clk_probe()
677 	ret = zynqmp_get_freq_by_name("video_clk", dev, &priv->video_clk);  in zynqmp_clk_probe()
679 		return -EINVAL;  in zynqmp_clk_probe()
682 				      &priv->pss_alt_ref_clk);  in zynqmp_clk_probe()
684 		return -EINVAL;  in zynqmp_clk_probe()
686 	ret = zynqmp_get_freq_by_name("aux_ref_clk", dev, &priv->aux_ref_clk);  in zynqmp_clk_probe()
688 		return -EINVAL;  in zynqmp_clk_probe()
691 				      &priv->gt_crx_ref_clk);  in zynqmp_clk_probe()
693 		return -EINVAL;  in zynqmp_clk_probe()
704 	{ .compatible = "xlnx,zynqmp-clk" },
705 	{ .compatible = "xlnx,zynqmp-clkc" },
710 	.name = "zynqmp-clk",