clk/at91/sam9x7.c

1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/clk-provider.h>
15 #include <dt-bindings/clock/at91.h>
23  * enum pll_ids - PLL clocks identifiers
26  * @PLL_ID_AUDIO:	Audio PLL identifier
27  * @PLL_ID_LVDS:	LVDS PLL identifier
29  * @PLL_ID_MAX:		Max PLL Identifier
41  * enum pll_type - PLL type identifiers
42  * @PLL_TYPE_FRAC:	fractional PLL identifier
43  * @PLL_TYPE_DIV:	divider PLL identifier
62 /* Fractional PLL core output range. */
83 /* Fractional PLL output range. */
104 /* PLL characteristics. */
141 /* Layout for fractional PLL ID PLLA. */
166 /* Layout for DIV PLL ID PLLADIV2. */
184  * PLL clocks description
189  * @c:		pll characteristics
191  * @eid:	export index in sam9x7->chws[] array
344 	 * ddrck feeds DDR controller and is enabled by bootloader thus we need
345 	 * to keep it enabled in case there is no Linux consumer for it.
407 	 * mpddr_clk feeds DDR controller and is enabled by bootloader thus we
408 	 * need to keep it enabled in case there is no Linux consumer for it.
423  * @pp:			PLL parents
424  * @pp_mux_table:	PLL parents mux table
426  * @pp_chg_id:		id in parent array of changeable PLL parent
427  * @pp_count:		PLL parents count
723 	i = of_property_match_string(np, "clock-names", "td_slck");  in sam9x7_pmc_setup()
729 	i = of_property_match_string(np, "clock-names", "md_slck");  in sam9x7_pmc_setup()
735 	i = of_property_match_string(np, "clock-names", "main_xtal");  in sam9x7_pmc_setup()
773 	sam9x7_pmc->chws[PMC_MAIN] = hw;  in sam9x7_pmc_setup()
785 					parent_hw = sam9x7_pmc->chws[PMC_MAIN];  in sam9x7_pmc_setup()
820 				sam9x7_pmc->chws[sam9x7_plls[i][j].eid] = hw;  in sam9x7_pmc_setup()
841 	sam9x7_pmc->chws[PMC_MCK] = hw;  in sam9x7_pmc_setup()
869 		sam9x7_pmc->pchws[i] = hw;  in sam9x7_pmc_setup()
880 		sam9x7_pmc->shws[sam9x7_systemck[i].id] = hw;  in sam9x7_pmc_setup()
894 		sam9x7_pmc->phws[sam9x7_periphck[i].id] = hw;  in sam9x7_pmc_setup()
927 		sam9x7_pmc->ghws[sam9x7_gck[i].id] = hw;  in sam9x7_pmc_setup()
946 CLK_OF_DECLARE(sam9x7_pmc, "microchip,sam9x7-pmc", sam9x7_pmc_setup);