/* * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* * ZynqMP system level PM-API functions for clock control. */ #ifndef _PM_API_CLOCK_H_ #define _PM_API_CLOCK_H_ #include #include "pm_common.h" #define CLK_NAME_LEN 15 #define MAX_PARENTS 100 #define CLK_NA_PARENT -1 #define CLK_DUMMY_PARENT -2 /* Flags for parent id */ #define PARENT_CLK_SELF 0 #define PARENT_CLK_NODE1 1 #define PARENT_CLK_NODE2 2 #define PARENT_CLK_NODE3 3 #define PARENT_CLK_NODE4 4 #define PARENT_CLK_EXTERNAL 5 #define PARENT_CLK_MIO0_MIO77 6 #define CLK_SET_RATE_GATE BIT(0) /* must be gated across rate change */ #define CLK_SET_PARENT_GATE BIT(1) /* must be gated across re-parent */ #define CLK_SET_RATE_PARENT BIT(2) /* propagate rate change up one level */ #define CLK_IGNORE_UNUSED BIT(3) /* do not gate even if unused */ /* unused */ #define CLK_IS_BASIC BIT(5) /* Basic clk, can't do a to_clk_foo() */ #define CLK_GET_RATE_NOCACHE BIT(6) /* do not use the cached clk rate */ #define CLK_SET_RATE_NO_REPARENT BIT(7) /* don't re-parent on rate change */ #define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */ #define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */ #define CLK_SET_RATE_UNGATE BIT(10) /* clock needs to run to set rate */ #define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */ /* parents need enable during gate/ungate, set rate and re-parent */ #define CLK_OPS_PARENT_ENABLE BIT(12) #define CLK_FRAC BIT(13) #define CLK_DIVIDER_ONE_BASED BIT(0) #define CLK_DIVIDER_POWER_OF_TWO BIT(1) #define CLK_DIVIDER_ALLOW_ZERO BIT(2) #define CLK_DIVIDER_HIWORD_MASK BIT(3) #define CLK_DIVIDER_ROUND_CLOSEST BIT(4) #define CLK_DIVIDER_READ_ONLY BIT(5) #define CLK_DIVIDER_MAX_AT_ZERO BIT(6) #define END_OF_CLK "END_OF_CLK" enum clock_ids { CLK_IOPLL, CLK_RPLL, CLK_APLL, CLK_DPLL, CLK_VPLL, CLK_IOPLL_TO_FPD, CLK_RPLL_TO_FPD, CLK_APLL_TO_LPD, CLK_DPLL_TO_LPD, CLK_VPLL_TO_LPD, CLK_ACPU, CLK_ACPU_HALF, CLK_DBG_FPD, CLK_DBG_LPD, CLK_DBG_TRACE, CLK_DBG_TSTMP, CLK_DP_VIDEO_REF, CLK_DP_AUDIO_REF, CLK_DP_STC_REF, CLK_GDMA_REF, CLK_DPDMA_REF, CLK_DDR_REF, CLK_SATA_REF, CLK_PCIE_REF, CLK_GPU_REF, CLK_GPU_PP0_REF, CLK_GPU_PP1_REF, CLK_TOPSW_MAIN, CLK_TOPSW_LSBUS, CLK_GTGREF0_REF, CLK_LPD_SWITCH, CLK_LPD_LSBUS, CLK_USB0_BUS_REF, CLK_USB1_BUS_REF, CLK_USB3_DUAL_REF, CLK_USB0, CLK_USB1, CLK_CPU_R5, CLK_CPU_R5_CORE, CLK_CSU_SPB, CLK_CSU_PLL, CLK_PCAP, CLK_IOU_SWITCH, CLK_GEM_TSU_REF, CLK_GEM_TSU, CLK_GEM0_REF, CLK_GEM1_REF, CLK_GEM2_REF, CLK_GEM3_REF, CLK_GEM0_TX, CLK_GEM1_TX, CLK_GEM2_TX, CLK_GEM3_TX, CLK_QSPI_REF, CLK_SDIO0_REF, CLK_SDIO1_REF, CLK_UART0_REF, CLK_UART1_REF, CLK_SPI0_REF, CLK_SPI1_REF, CLK_NAND_REF, CLK_I2C0_REF, CLK_I2C1_REF, CLK_CAN0_REF, CLK_CAN1_REF, CLK_CAN0, CLK_CAN1, CLK_DLL_REF, CLK_ADMA_REF, CLK_TIMESTAMP_REF, CLK_AMS_REF, CLK_PL0_REF, CLK_PL1_REF, CLK_PL2_REF, CLK_PL3_REF, CLK_WDT, CLK_IOPLL_INT, CLK_IOPLL_PRE_SRC, CLK_IOPLL_HALF, CLK_IOPLL_INT_MUX, CLK_IOPLL_POST_SRC, CLK_RPLL_INT, CLK_RPLL_PRE_SRC, CLK_RPLL_HALF, CLK_RPLL_INT_MUX, CLK_RPLL_POST_SRC, CLK_APLL_INT, CLK_APLL_PRE_SRC, CLK_APLL_HALF, CLK_APLL_INT_MUX, CLK_APLL_POST_SRC, CLK_DPLL_INT, CLK_DPLL_PRE_SRC, CLK_DPLL_HALF, CLK_DPLL_INT_MUX, CLK_DPLL_POST_SRC, CLK_VPLL_INT, CLK_VPLL_PRE_SRC, CLK_VPLL_HALF, CLK_VPLL_INT_MUX, CLK_VPLL_POST_SRC, CLK_CAN0_MIO, CLK_CAN1_MIO, CLK_MAX_OUTPUT_CLK, }; enum external_clk_ids { EXT_CLK_PSS_REF = CLK_MAX_OUTPUT_CLK, EXT_CLK_VIDEO, EXT_CLK_PSS_ALT_REF, EXT_CLK_AUX_REF, EXT_CLK_GT_CRX_REF, EXT_CLK_SWDT0, EXT_CLK_SWDT1, EXT_CLK_GEM0_EMIO, EXT_CLK_GEM1_EMIO, EXT_CLK_GEM2_EMIO, EXT_CLK_GEM3_EMIO, EXT_CLK_MIO50_OR_MIO51, EXT_CLK_MIO0, EXT_CLK_MIO1, EXT_CLK_MIO2, EXT_CLK_MIO3, EXT_CLK_MIO4, EXT_CLK_MIO5, EXT_CLK_MIO6, EXT_CLK_MIO7, EXT_CLK_MIO8, EXT_CLK_MIO9, EXT_CLK_MIO10, EXT_CLK_MIO11, EXT_CLK_MIO12, EXT_CLK_MIO13, EXT_CLK_MIO14, EXT_CLK_MIO15, EXT_CLK_MIO16, EXT_CLK_MIO17, EXT_CLK_MIO18, EXT_CLK_MIO19, EXT_CLK_MIO20, EXT_CLK_MIO21, EXT_CLK_MIO22, EXT_CLK_MIO23, EXT_CLK_MIO24, EXT_CLK_MIO25, EXT_CLK_MIO26, EXT_CLK_MIO27, EXT_CLK_MIO28, EXT_CLK_MIO29, EXT_CLK_MIO30, EXT_CLK_MIO31, EXT_CLK_MIO32, EXT_CLK_MIO33, EXT_CLK_MIO34, EXT_CLK_MIO35, EXT_CLK_MIO36, EXT_CLK_MIO37, EXT_CLK_MIO38, EXT_CLK_MIO39, EXT_CLK_MIO40, EXT_CLK_MIO41, EXT_CLK_MIO42, EXT_CLK_MIO43, EXT_CLK_MIO44, EXT_CLK_MIO45, EXT_CLK_MIO46, EXT_CLK_MIO47, EXT_CLK_MIO48, EXT_CLK_MIO49, EXT_CLK_MIO50, EXT_CLK_MIO51, EXT_CLK_MIO52, EXT_CLK_MIO53, EXT_CLK_MIO54, EXT_CLK_MIO55, EXT_CLK_MIO56, EXT_CLK_MIO57, EXT_CLK_MIO58, EXT_CLK_MIO59, EXT_CLK_MIO60, EXT_CLK_MIO61, EXT_CLK_MIO62, EXT_CLK_MIO63, EXT_CLK_MIO64, EXT_CLK_MIO65, EXT_CLK_MIO66, EXT_CLK_MIO67, EXT_CLK_MIO68, EXT_CLK_MIO69, EXT_CLK_MIO70, EXT_CLK_MIO71, EXT_CLK_MIO72, EXT_CLK_MIO73, EXT_CLK_MIO74, EXT_CLK_MIO75, EXT_CLK_MIO76, EXT_CLK_MIO77, CLK_MAX, }; enum clk_type { CLK_TYPE_OUTPUT, CLK_TYPE_EXTERNAL, }; enum topology_type { TYPE_INVALID, TYPE_MUX, TYPE_PLL, TYPE_FIXEDFACTOR, TYPE_DIV1, TYPE_DIV2, TYPE_GATE, }; enum pm_ret_status pm_api_clock_get_name(unsigned int clock_id, char *name); enum pm_ret_status pm_api_clock_get_topology(unsigned int clock_id, unsigned int index, uint32_t *topology); enum pm_ret_status pm_api_clock_get_fixedfactor_params(unsigned int clock_id, uint32_t *mul, uint32_t *div); enum pm_ret_status pm_api_clock_get_parents(unsigned int clock_id, unsigned int index, uint32_t *parents); enum pm_ret_status pm_api_clock_get_attributes(unsigned int clock_id, uint32_t *attr); enum pm_ret_status pm_api_clock_enable(unsigned int clock_id); enum pm_ret_status pm_api_clock_disable(unsigned int clock_id); enum pm_ret_status pm_api_clock_getstate(unsigned int clock_id, unsigned int *state); enum pm_ret_status pm_api_clock_setdivider(unsigned int clock_id, unsigned int divider); enum pm_ret_status pm_api_clock_getdivider(unsigned int clock_id, unsigned int *divider); enum pm_ret_status pm_api_clock_setrate(unsigned int clock_id, uint64_t rate); enum pm_ret_status pm_api_clock_getrate(unsigned int clock_id, uint64_t *rate); enum pm_ret_status pm_api_clock_setparent(unsigned int clock_id, unsigned int parent_idx); enum pm_ret_status pm_api_clock_getparent(unsigned int clock_id, unsigned int *parent_idx); enum pm_ret_status pm_api_clk_set_pll_mode(unsigned int pll, unsigned int mode); enum pm_ret_status pm_api_clk_get_pll_mode(unsigned int pll, unsigned int *mode); enum pm_ret_status pm_api_clk_set_pll_frac_data(unsigned int pll, unsigned int data); enum pm_ret_status pm_api_clk_get_pll_frac_data(unsigned int pll, unsigned int *data); #endif /* _PM_API_CLOCK_H_ */