diff options
Diffstat (limited to 'drivers/clk/renesas/r9a09g011-cpg.c')
| -rw-r--r-- | drivers/clk/renesas/r9a09g011-cpg.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r9a09g011-cpg.c b/drivers/clk/renesas/r9a09g011-cpg.c new file mode 100644 index 0000000000..dda9f29dff --- /dev/null +++ b/drivers/clk/renesas/r9a09g011-cpg.c @@ -0,0 +1,269 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/V2M Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + * Based on r9a07g044-cpg.c + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/r9a09g011-cpg.h> + +#include "rzg2l-cpg.h" + +#define RZV2M_SAMPLL4_CLK1 0x104 +#define RZV2M_SAMPLL4_CLK2 0x108 + +#define PLL4_CONF (RZV2M_SAMPLL4_CLK1 << 22 | RZV2M_SAMPLL4_CLK2 << 12) + +#define DIV_A DDIV_PACK(0x200, 0, 3) +#define DIV_B DDIV_PACK(0x204, 0, 2) +#define DIV_D DDIV_PACK(0x204, 4, 2) +#define DIV_E DDIV_PACK(0x204, 8, 1) +#define DIV_W DDIV_PACK(0x328, 0, 3) + +#define SEL_B SEL_PLL_PACK(0x214, 0, 1) +#define SEL_CSI0 SEL_PLL_PACK(0x330, 0, 1) +#define SEL_CSI4 SEL_PLL_PACK(0x330, 4, 1) +#define SEL_D SEL_PLL_PACK(0x214, 1, 1) +#define SEL_E SEL_PLL_PACK(0x214, 2, 1) +#define SEL_SDI SEL_PLL_PACK(0x300, 0, 1) +#define SEL_W0 SEL_PLL_PACK(0x32C, 0, 1) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = 0, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_MAIN_24, + CLK_MAIN_2, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_800, + CLK_PLL2_400, + CLK_PLL2_200, + CLK_PLL2_100, + CLK_PLL4, + CLK_DIV_A, + CLK_DIV_B, + CLK_DIV_D, + CLK_DIV_E, + CLK_DIV_W, + CLK_SEL_B, + CLK_SEL_B_D2, + CLK_SEL_CSI0, + CLK_SEL_CSI4, + CLK_SEL_D, + CLK_SEL_E, + CLK_SEL_SDI, + CLK_SEL_W0, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +/* Divider tables */ +static const struct clk_div_table dtable_diva[] = { + {0, 1}, + {1, 2}, + {2, 3}, + {3, 4}, + {4, 6}, + {5, 12}, + {6, 24}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divb[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divd[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {0, 0}, +}; + + +static const struct clk_div_table dtable_divw[] = { + {0, 6}, + {1, 7}, + {2, 8}, + {3, 9}, + {4, 10}, + {5, 11}, + {6, 12}, + {0, 0}, +}; + +/* Mux clock tables */ +static const char * const sel_b[] = { ".main", ".divb" }; +static const char * const sel_csi[] = { ".main_24", ".main" }; +static const char * const sel_d[] = { ".main", ".divd" }; +static const char * const sel_e[] = { ".main", ".dive" }; +static const char * const sel_w[] = { ".main", ".divw" }; +static const char * const sel_sdi[] = { ".main", ".pll2_200" }; + +static const struct cpg_core_clk r9a09g011_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".main", CLK_MAIN, CLK_EXTAL, 1, 1), + DEF_FIXED(".main_24", CLK_MAIN_24, CLK_MAIN, 1, 2), + DEF_FIXED(".main_2", CLK_MAIN_2, CLK_MAIN, 1, 24), + DEF_FIXED(".pll1", CLK_PLL1, CLK_MAIN_2, 498, 1), + DEF_FIXED(".pll2", CLK_PLL2, CLK_MAIN_2, 800, 1), + DEF_FIXED(".pll2_800", CLK_PLL2_800, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_400", CLK_PLL2_400, CLK_PLL2_800, 1, 2), + DEF_FIXED(".pll2_200", CLK_PLL2_200, CLK_PLL2_800, 1, 4), + DEF_FIXED(".pll2_100", CLK_PLL2_100, CLK_PLL2_800, 1, 8), + DEF_SAMPLL(".pll4", CLK_PLL4, CLK_MAIN_2, PLL4_CONF), + + DEF_DIV_RO(".diva", CLK_DIV_A, CLK_PLL1, DIV_A, dtable_diva), + DEF_DIV_RO(".divb", CLK_DIV_B, CLK_PLL2_400, DIV_B, dtable_divb), + DEF_DIV_RO(".divd", CLK_DIV_D, CLK_PLL2_200, DIV_D, dtable_divd), + DEF_DIV_RO(".dive", CLK_DIV_E, CLK_PLL2_100, DIV_E, NULL), + DEF_DIV_RO(".divw", CLK_DIV_W, CLK_PLL4, DIV_W, dtable_divw), + + DEF_MUX_RO(".selb", CLK_SEL_B, SEL_B, sel_b), + DEF_MUX_RO(".seld", CLK_SEL_D, SEL_D, sel_d), + DEF_MUX_RO(".sele", CLK_SEL_E, SEL_E, sel_e), + DEF_MUX(".selsdi", CLK_SEL_SDI, SEL_SDI, sel_sdi), + DEF_MUX(".selcsi0", CLK_SEL_CSI0, SEL_CSI0, sel_csi), + DEF_MUX(".selcsi4", CLK_SEL_CSI4, SEL_CSI4, sel_csi), + DEF_MUX(".selw0", CLK_SEL_W0, SEL_W0, sel_w), + + DEF_FIXED(".selb_d2", CLK_SEL_B_D2, CLK_SEL_B, 1, 2), +}; + +static const struct rzg2l_mod_clk r9a09g011_mod_clks[] __initconst = { + DEF_MOD("pfc", R9A09G011_PFC_PCLK, CLK_MAIN, 0x400, 2), + DEF_MOD("gic", R9A09G011_GIC_CLK, CLK_SEL_B_D2, 0x400, 5), + DEF_MOD("sdi0_aclk", R9A09G011_SDI0_ACLK, CLK_SEL_D, 0x408, 0), + DEF_MOD("sdi0_imclk", R9A09G011_SDI0_IMCLK, CLK_SEL_SDI, 0x408, 1), + DEF_MOD("sdi0_imclk2", R9A09G011_SDI0_IMCLK2, CLK_SEL_SDI, 0x408, 2), + DEF_MOD("sdi0_clk_hs", R9A09G011_SDI0_CLK_HS, CLK_PLL2_800, 0x408, 3), + DEF_MOD("sdi1_aclk", R9A09G011_SDI1_ACLK, CLK_SEL_D, 0x408, 4), + DEF_MOD("sdi1_imclk", R9A09G011_SDI1_IMCLK, CLK_SEL_SDI, 0x408, 5), + DEF_MOD("sdi1_imclk2", R9A09G011_SDI1_IMCLK2, CLK_SEL_SDI, 0x408, 6), + DEF_MOD("sdi1_clk_hs", R9A09G011_SDI1_CLK_HS, CLK_PLL2_800, 0x408, 7), + DEF_MOD("emm_aclk", R9A09G011_EMM_ACLK, CLK_SEL_D, 0x408, 8), + DEF_MOD("emm_imclk", R9A09G011_EMM_IMCLK, CLK_SEL_SDI, 0x408, 9), + DEF_MOD("emm_imclk2", R9A09G011_EMM_IMCLK2, CLK_SEL_SDI, 0x408, 10), + DEF_MOD("emm_clk_hs", R9A09G011_EMM_CLK_HS, CLK_PLL2_800, 0x408, 11), + DEF_COUPLED("eth_axi", R9A09G011_ETH0_CLK_AXI, CLK_PLL2_200, 0x40c, 8), + DEF_COUPLED("eth_chi", R9A09G011_ETH0_CLK_CHI, CLK_PLL2_100, 0x40c, 8), + DEF_MOD("eth_clk_gptp", R9A09G011_ETH0_GPTP_EXT, CLK_PLL2_100, 0x40c, 9), + DEF_MOD("usb_aclk_h", R9A09G011_USB_ACLK_H, CLK_SEL_D, 0x40c, 4), + DEF_MOD("usb_aclk_p", R9A09G011_USB_ACLK_P, CLK_SEL_D, 0x40c, 5), + DEF_MOD("usb_pclk", R9A09G011_USB_PCLK, CLK_SEL_E, 0x40c, 6), + DEF_MOD("syc_cnt_clk", R9A09G011_SYC_CNT_CLK, CLK_MAIN_24, 0x41c, 12), + DEF_MOD("iic_pclk0", R9A09G011_IIC_PCLK0, CLK_SEL_E, 0x420, 12), + DEF_MOD("cperi_grpb", R9A09G011_CPERI_GRPB_PCLK, CLK_SEL_E, 0x424, 0), + DEF_MOD("tim_clk_8", R9A09G011_TIM8_CLK, CLK_MAIN_2, 0x424, 4), + DEF_MOD("tim_clk_9", R9A09G011_TIM9_CLK, CLK_MAIN_2, 0x424, 5), + DEF_MOD("tim_clk_10", R9A09G011_TIM10_CLK, CLK_MAIN_2, 0x424, 6), + DEF_MOD("tim_clk_11", R9A09G011_TIM11_CLK, CLK_MAIN_2, 0x424, 7), + DEF_MOD("tim_clk_12", R9A09G011_TIM12_CLK, CLK_MAIN_2, 0x424, 8), + DEF_MOD("tim_clk_13", R9A09G011_TIM13_CLK, CLK_MAIN_2, 0x424, 9), + DEF_MOD("tim_clk_14", R9A09G011_TIM14_CLK, CLK_MAIN_2, 0x424, 10), + DEF_MOD("tim_clk_15", R9A09G011_TIM15_CLK, CLK_MAIN_2, 0x424, 11), + DEF_MOD("iic_pclk1", R9A09G011_IIC_PCLK1, CLK_SEL_E, 0x424, 12), + DEF_MOD("cperi_grpc", R9A09G011_CPERI_GRPC_PCLK, CLK_SEL_E, 0x428, 0), + DEF_MOD("tim_clk_16", R9A09G011_TIM16_CLK, CLK_MAIN_2, 0x428, 4), + DEF_MOD("tim_clk_17", R9A09G011_TIM17_CLK, CLK_MAIN_2, 0x428, 5), + DEF_MOD("tim_clk_18", R9A09G011_TIM18_CLK, CLK_MAIN_2, 0x428, 6), + DEF_MOD("tim_clk_19", R9A09G011_TIM19_CLK, CLK_MAIN_2, 0x428, 7), + DEF_MOD("tim_clk_20", R9A09G011_TIM20_CLK, CLK_MAIN_2, 0x428, 8), + DEF_MOD("tim_clk_21", R9A09G011_TIM21_CLK, CLK_MAIN_2, 0x428, 9), + DEF_MOD("tim_clk_22", R9A09G011_TIM22_CLK, CLK_MAIN_2, 0x428, 10), + DEF_MOD("tim_clk_23", R9A09G011_TIM23_CLK, CLK_MAIN_2, 0x428, 11), + DEF_MOD("wdt0_pclk", R9A09G011_WDT0_PCLK, CLK_SEL_E, 0x428, 12), + DEF_MOD("wdt0_clk", R9A09G011_WDT0_CLK, CLK_MAIN, 0x428, 13), + DEF_MOD("cperi_grpf", R9A09G011_CPERI_GRPF_PCLK, CLK_SEL_E, 0x434, 0), + DEF_MOD("pwm8_clk", R9A09G011_PWM8_CLK, CLK_MAIN, 0x434, 4), + DEF_MOD("pwm9_clk", R9A09G011_PWM9_CLK, CLK_MAIN, 0x434, 5), + DEF_MOD("pwm10_clk", R9A09G011_PWM10_CLK, CLK_MAIN, 0x434, 6), + DEF_MOD("pwm11_clk", R9A09G011_PWM11_CLK, CLK_MAIN, 0x434, 7), + DEF_MOD("pwm12_clk", R9A09G011_PWM12_CLK, CLK_MAIN, 0x434, 8), + DEF_MOD("pwm13_clk", R9A09G011_PWM13_CLK, CLK_MAIN, 0x434, 9), + DEF_MOD("pwm14_clk", R9A09G011_PWM14_CLK, CLK_MAIN, 0x434, 10), + DEF_MOD("cperi_grpg", R9A09G011_CPERI_GRPG_PCLK, CLK_SEL_E, 0x438, 0), + DEF_MOD("cperi_grph", R9A09G011_CPERI_GRPH_PCLK, CLK_SEL_E, 0x438, 1), + DEF_MOD("urt_pclk", R9A09G011_URT_PCLK, CLK_SEL_E, 0x438, 4), + DEF_MOD("urt0_clk", R9A09G011_URT0_CLK, CLK_SEL_W0, 0x438, 5), + DEF_MOD("csi0_clk", R9A09G011_CSI0_CLK, CLK_SEL_CSI0, 0x438, 8), + DEF_MOD("csi4_clk", R9A09G011_CSI4_CLK, CLK_SEL_CSI4, 0x438, 12), + DEF_MOD("ca53", R9A09G011_CA53_CLK, CLK_DIV_A, 0x448, 0), +}; + +static const struct rzg2l_reset r9a09g011_resets[] = { + DEF_RST(R9A09G011_PFC_PRESETN, 0x600, 2), + DEF_RST_MON(R9A09G011_SDI0_IXRST, 0x608, 0, 6), + DEF_RST_MON(R9A09G011_SDI1_IXRST, 0x608, 1, 7), + DEF_RST_MON(R9A09G011_EMM_IXRST, 0x608, 2, 8), + DEF_RST(R9A09G011_USB_PRESET_N, 0x608, 7), + DEF_RST(R9A09G011_USB_DRD_RESET, 0x608, 8), + DEF_RST(R9A09G011_USB_ARESETN_P, 0x608, 9), + DEF_RST(R9A09G011_USB_ARESETN_H, 0x608, 10), + DEF_RST_MON(R9A09G011_ETH0_RST_HW_N, 0x608, 11, 11), + DEF_RST_MON(R9A09G011_SYC_RST_N, 0x610, 9, 13), + DEF_RST(R9A09G011_TIM_GPB_PRESETN, 0x614, 1), + DEF_RST(R9A09G011_TIM_GPC_PRESETN, 0x614, 2), + DEF_RST_MON(R9A09G011_PWM_GPF_PRESETN, 0x614, 5, 23), + DEF_RST_MON(R9A09G011_CSI_GPG_PRESETN, 0x614, 6, 22), + DEF_RST_MON(R9A09G011_CSI_GPH_PRESETN, 0x614, 7, 23), + DEF_RST(R9A09G011_IIC_GPA_PRESETN, 0x614, 8), + DEF_RST(R9A09G011_IIC_GPB_PRESETN, 0x614, 9), + DEF_RST_MON(R9A09G011_WDT0_PRESETN, 0x614, 12, 19), +}; + +static const unsigned int r9a09g011_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A09G011_CA53_CLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPB_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPC_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPF_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPG_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPH_PCLK, + MOD_CLK_BASE + R9A09G011_GIC_CLK, + MOD_CLK_BASE + R9A09G011_SYC_CNT_CLK, + MOD_CLK_BASE + R9A09G011_URT_PCLK, +}; + +const struct rzg2l_cpg_info r9a09g011_cpg_info = { + /* Core Clocks */ + .core_clks = r9a09g011_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g011_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a09g011_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a09g011_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a09g011_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g011_mod_clks), + .num_hw_mod_clks = R9A09G011_CA53_CLK + 1, + + /* Resets */ + .resets = r9a09g011_resets, + .num_resets = ARRAY_SIZE(r9a09g011_resets), + + .has_clk_mon_regs = false, +}; |