/* SPDX-License-Identifier: GPL-2.0 */ /* * RZ/G2L Clock Pulse Generator * * Copyright (C) 2021 Renesas Electronics Corp. * */ #ifndef __RENESAS_RZG2L_CPG_H__ #define __RENESAS_RZG2L_CPG_H__ #define CPG_SIPLL5_STBY (0x140) #define CPG_SIPLL5_CLK1 (0x144) #define CPG_SIPLL5_CLK3 (0x14C) #define CPG_SIPLL5_CLK4 (0x150) #define CPG_SIPLL5_CLK5 (0x154) #define CPG_SIPLL5_MON (0x15C) #define CPG_PL1_DDIV (0x200) #define CPG_PL2_DDIV (0x204) #define CPG_PL3A_DDIV (0x208) #define CPG_PL6_DDIV (0x210) #define CPG_PL2SDHI_DSEL (0x218) #define CPG_CLKSTATUS (0x280) #define CPG_PL3_SSEL (0x408) #define CPG_PL6_SSEL (0x414) #define CPG_PL6_ETH_SSEL (0x418) #define CPG_PL5_SDIV (0x420) #define CPG_RST_MON (0x680) #define CPG_OTHERFUNC1_REG (0xBE8) #define CPG_SIPLL5_STBY_RESETB BIT(0) #define CPG_SIPLL5_STBY_RESETB_WEN BIT(16) #define CPG_SIPLL5_STBY_SSCG_EN_WEN BIT(18) #define CPG_SIPLL5_STBY_DOWNSPREAD_WEN BIT(20) #define CPG_SIPLL5_CLK4_RESV_LSB (0xFF) #define CPG_SIPLL5_MON_PLL5_LOCK BIT(4) #define CPG_OTHERFUNC1_REG_RES0_ON_WEN BIT(16) #define CPG_PL5_SDIV_DIV_DSI_A_WEN BIT(16) #define CPG_PL5_SDIV_DIV_DSI_B_WEN BIT(24) #define CPG_CLKSTATUS_SELSDHI0_STS BIT(28) #define CPG_CLKSTATUS_SELSDHI1_STS BIT(29) #define CPG_SDHI_CLK_SWITCH_STATUS_TIMEOUT_US 20000 /* n = 0/1/2 for PLL1/4/6 */ #define CPG_SAMPLL_CLK1(n) (0x04 + (16 * n)) #define CPG_SAMPLL_CLK2(n) (0x08 + (16 * n)) #define PLL146_CONF(n) (CPG_SAMPLL_CLK1(n) << 22 | CPG_SAMPLL_CLK2(n) << 12) #define DDIV_PACK(offset, bitpos, size) \ (((offset) << 20) | ((bitpos) << 12) | ((size) << 8)) #define DIVPL1A DDIV_PACK(CPG_PL1_DDIV, 0, 2) #define DIVPL2A DDIV_PACK(CPG_PL2_DDIV, 0, 3) #define DIVDSILPCLK DDIV_PACK(CPG_PL2_DDIV, 12, 2) #define DIVPL3A DDIV_PACK(CPG_PL3A_DDIV, 0, 3) #define DIVPL3B DDIV_PACK(CPG_PL3A_DDIV, 4, 3) #define DIVPL3C DDIV_PACK(CPG_PL3A_DDIV, 8, 3) #define DIVGPU DDIV_PACK(CPG_PL6_DDIV, 0, 2) #define SEL_PLL_PACK(offset, bitpos, size) \ (((offset) << 20) | ((bitpos) << 12) | ((size) << 8)) #define SEL_PLL3_3 SEL_PLL_PACK(CPG_PL3_SSEL, 8, 1) #define SEL_PLL5_4 SEL_PLL_PACK(CPG_OTHERFUNC1_REG, 0, 1) #define SEL_PLL6_2 SEL_PLL_PACK(CPG_PL6_ETH_SSEL, 0, 1) #define SEL_GPU2 SEL_PLL_PACK(CPG_PL6_SSEL, 12, 1) #define SEL_SDHI0 DDIV_PACK(CPG_PL2SDHI_DSEL, 0, 2) #define SEL_SDHI1 DDIV_PACK(CPG_PL2SDHI_DSEL, 4, 2) #define EXTAL_FREQ_IN_MEGA_HZ (24) /** * Definitions of CPG Core Clocks * * These include: * - Clock outputs exported to DT * - External input clocks * - Internal CPG clocks */ struct cpg_core_clk { const char *name; unsigned int id; unsigned int parent; unsigned int div; unsigned int mult; unsigned int type; unsigned int conf; const struct clk_div_table *dtable; const char * const *parent_names; int flag; int mux_flags; int num_parents; }; enum clk_types { /* Generic */ CLK_TYPE_IN, /* External Clock Input */ CLK_TYPE_FF, /* Fixed Factor Clock */ CLK_TYPE_SAM_PLL, /* Clock with divider */ CLK_TYPE_DIV, /* Clock with clock source selector */ CLK_TYPE_MUX, /* Clock with SD clock source selector */ CLK_TYPE_SD_MUX, /* Clock for SIPLL5 */ CLK_TYPE_SIPLL5, /* Clock for PLL5_4 clock source selector */ CLK_TYPE_PLL5_4_MUX, /* Clock for DSI divider */ CLK_TYPE_DSI_DIV, }; #define DEF_TYPE(_name, _id, _type...) \ { .name = _name, .id = _id, .type = _type } #define DEF_BASE(_name, _id, _type, _parent...) \ DEF_TYPE(_name, _id, _type, .parent = _parent) #define DEF_SAMPLL(_name, _id, _parent, _conf) \ DEF_TYPE(_name, _id, CLK_TYPE_SAM_PLL, .parent = _parent, .conf = _conf) #define DEF_INPUT(_name, _id) \ DEF_TYPE(_name, _id, CLK_TYPE_IN) #define DEF_FIXED(_name, _id, _parent, _mult, _div) \ DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult) #define DEF_DIV(_name, _id, _parent, _conf, _dtable) \ DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \ .parent = _parent, .dtable = _dtable, \ .flag = CLK_DIVIDER_HIWORD_MASK) #define DEF_DIV_RO(_name, _id, _parent, _conf, _dtable) \ DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \ .parent = _parent, .dtable = _dtable, \ .flag = CLK_DIVIDER_READ_ONLY) #define DEF_MUX(_name, _id, _conf, _parent_names) \ DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \ .parent_names = _parent_names, \ .num_parents = ARRAY_SIZE(_parent_names), \ .mux_flags = CLK_MUX_HIWORD_MASK) #define DEF_MUX_RO(_name, _id, _conf, _parent_names) \ DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \ .parent_names = _parent_names, \ .num_parents = ARRAY_SIZE(_parent_names), \ .mux_flags = CLK_MUX_READ_ONLY) #define DEF_SD_MUX(_name, _id, _conf, _parent_names) \ DEF_TYPE(_name, _id, CLK_TYPE_SD_MUX, .conf = _conf, \ .parent_names = _parent_names, \ .num_parents = ARRAY_SIZE(_parent_names)) #define DEF_PLL5_FOUTPOSTDIV(_name, _id, _parent) \ DEF_TYPE(_name, _id, CLK_TYPE_SIPLL5, .parent = _parent) #define DEF_PLL5_4_MUX(_name, _id, _conf, _parent_names) \ DEF_TYPE(_name, _id, CLK_TYPE_PLL5_4_MUX, .conf = _conf, \ .parent_names = _parent_names, \ .num_parents = ARRAY_SIZE(_parent_names)) #define DEF_DSI_DIV(_name, _id, _parent, _flag) \ DEF_TYPE(_name, _id, CLK_TYPE_DSI_DIV, .parent = _parent, .flag = _flag) /** * struct rzg2l_mod_clk - Module Clocks definitions * * @name: handle between common and hardware-specific interfaces * @id: clock index in array containing all Core and Module Clocks * @parent: id of parent clock * @off: register offset * @bit: ON/MON bit * @is_coupled: flag to indicate coupled clock */ struct rzg2l_mod_clk { const char *name; unsigned int id; unsigned int parent; u16 off; u8 bit; bool is_coupled; }; #define DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _is_coupled) \ { \ .name = _name, \ .id = MOD_CLK_BASE + (_id), \ .parent = (_parent), \ .off = (_off), \ .bit = (_bit), \ .is_coupled = (_is_coupled), \ } #define DEF_MOD(_name, _id, _parent, _off, _bit) \ DEF_MOD_BASE(_name, _id, _parent, _off, _bit, false) #define DEF_COUPLED(_name, _id, _parent, _off, _bit) \ DEF_MOD_BASE(_name, _id, _parent, _off, _bit, true) /** * struct rzg2l_reset - Reset definitions * * @off: register offset * @bit: reset bit * @monbit: monitor bit in CPG_RST_MON register, -1 if none */ struct rzg2l_reset { u16 off; u8 bit; s8 monbit; }; #define DEF_RST_MON(_id, _off, _bit, _monbit) \ [_id] = { \ .off = (_off), \ .bit = (_bit), \ .monbit = (_monbit) \ } #define DEF_RST(_id, _off, _bit) \ DEF_RST_MON(_id, _off, _bit, -1) /** * struct rzg2l_cpg_info - SoC-specific CPG Description * * @core_clks: Array of Core Clock definitions * @num_core_clks: Number of entries in core_clks[] * @last_dt_core_clk: ID of the last Core Clock exported to DT * @num_total_core_clks: Total number of Core Clocks (exported + internal) * * @mod_clks: Array of Module Clock definitions * @num_mod_clks: Number of entries in mod_clks[] * @num_hw_mod_clks: Number of Module Clocks supported by the hardware * * @resets: Array of Module Reset definitions * @num_resets: Number of entries in resets[] * * @crit_mod_clks: Array with Module Clock IDs of critical clocks that * should not be disabled without a knowledgeable driver * @num_crit_mod_clks: Number of entries in crit_mod_clks[] * @has_clk_mon_regs: Flag indicating whether the SoC has CLK_MON registers */ struct rzg2l_cpg_info { /* Core Clocks */ const struct cpg_core_clk *core_clks; unsigned int num_core_clks; unsigned int last_dt_core_clk; unsigned int num_total_core_clks; /* Module Clocks */ const struct rzg2l_mod_clk *mod_clks; unsigned int num_mod_clks; unsigned int num_hw_mod_clks; /* Resets */ const struct rzg2l_reset *resets; unsigned int num_resets; /* Critical Module Clocks that should not be disabled */ const unsigned int *crit_mod_clks; unsigned int num_crit_mod_clks; bool has_clk_mon_regs; }; extern const struct rzg2l_cpg_info r9a07g043_cpg_info; extern const struct rzg2l_cpg_info r9a07g044_cpg_info; extern const struct rzg2l_cpg_info r9a07g054_cpg_info; extern const struct rzg2l_cpg_info r9a09g011_cpg_info; #endif