diff options
Diffstat (limited to 'drivers/clk/renesas/r9a09g057-cpg.c')
| -rw-r--r-- | drivers/clk/renesas/r9a09g057-cpg.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r9a09g057-cpg.c b/drivers/clk/renesas/r9a09g057-cpg.c new file mode 100644 index 000000000000..3ee32db5c0af --- /dev/null +++ b/drivers/clk/renesas/r9a09g057-cpg.c @@ -0,0 +1,164 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/V2H(P) CPG driver + * + * Copyright (C) 2024 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/renesas,r9a09g057-cpg.h> + +#include "rzv2h-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A09G057_IOTOP_0_SHCLK, + + /* External Input Clocks */ + CLK_AUDIO_EXTAL, + CLK_RTXIN, + CLK_QEXTAL, + + /* PLL Clocks */ + CLK_PLLCM33, + CLK_PLLCLN, + CLK_PLLDTY, + CLK_PLLCA55, + + /* Internal Core Clocks */ + CLK_PLLCM33_DIV16, + CLK_PLLCLN_DIV2, + CLK_PLLCLN_DIV8, + CLK_PLLCLN_DIV16, + CLK_PLLDTY_ACPU, + CLK_PLLDTY_ACPU_DIV4, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +static const struct clk_div_table dtable_2_64[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {4, 64}, + {0, 0}, +}; + +static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("audio_extal", CLK_AUDIO_EXTAL), + DEF_INPUT("rtxin", CLK_RTXIN), + DEF_INPUT("qextal", CLK_QEXTAL), + + /* PLL Clocks */ + DEF_FIXED(".pllcm33", CLK_PLLCM33, CLK_QEXTAL, 200, 3), + DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3), + DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3), + DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLL_CONF(0x64)), + + /* Internal Core Clocks */ + DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16), + + DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2), + DEF_FIXED(".pllcln_div8", CLK_PLLCLN_DIV8, CLK_PLLCLN, 1, 8), + DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16), + + DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4), + + /* Core Clocks */ + DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1), + DEF_FIXED("iotop_0_shclk", R9A09G057_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1), +}; + +static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = { + DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3), + DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4), + DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5), + DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6), + DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7), + DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8), + DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9), + DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10), + DEF_MOD("wdt_0_clkp", CLK_PLLCM33_DIV16, 4, 11, 2, 11), + DEF_MOD("wdt_0_clk_loco", CLK_QEXTAL, 4, 12, 2, 12), + DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13), + DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14), + DEF_MOD("wdt_2_clkp", CLK_PLLCLN_DIV16, 4, 15, 2, 15), + DEF_MOD("wdt_2_clk_loco", CLK_QEXTAL, 5, 0, 2, 16), + DEF_MOD("wdt_3_clkp", CLK_PLLCLN_DIV16, 5, 1, 2, 17), + DEF_MOD("wdt_3_clk_loco", CLK_QEXTAL, 5, 2, 2, 18), + DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15), + DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19), + DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20), + DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21), + DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22), + DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23), + DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24), + DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25), + DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26), + DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27), + DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3), + DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4), + DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5), + DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6), + DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7), + DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8), + DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9), + DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10), + DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11), + DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12), + DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13), + DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14), +}; + +static const struct rzv2h_reset r9a09g057_resets[] __initconst = { + DEF_RST(6, 13, 2, 30), /* GTM_0_PRESETZ */ + DEF_RST(6, 14, 2, 31), /* GTM_1_PRESETZ */ + DEF_RST(6, 15, 3, 0), /* GTM_2_PRESETZ */ + DEF_RST(7, 0, 3, 1), /* GTM_3_PRESETZ */ + DEF_RST(7, 1, 3, 2), /* GTM_4_PRESETZ */ + DEF_RST(7, 2, 3, 3), /* GTM_5_PRESETZ */ + DEF_RST(7, 3, 3, 4), /* GTM_6_PRESETZ */ + DEF_RST(7, 4, 3, 5), /* GTM_7_PRESETZ */ + DEF_RST(7, 5, 3, 6), /* WDT_0_RESET */ + DEF_RST(7, 6, 3, 7), /* WDT_1_RESET */ + DEF_RST(7, 7, 3, 8), /* WDT_2_RESET */ + DEF_RST(7, 8, 3, 9), /* WDT_3_RESET */ + DEF_RST(9, 5, 4, 6), /* SCIF_0_RST_SYSTEM_N */ + DEF_RST(9, 8, 4, 9), /* RIIC_0_MRST */ + DEF_RST(9, 9, 4, 10), /* RIIC_1_MRST */ + DEF_RST(9, 10, 4, 11), /* RIIC_2_MRST */ + DEF_RST(9, 11, 4, 12), /* RIIC_3_MRST */ + DEF_RST(9, 12, 4, 13), /* RIIC_4_MRST */ + DEF_RST(9, 13, 4, 14), /* RIIC_5_MRST */ + DEF_RST(9, 14, 4, 15), /* RIIC_6_MRST */ + DEF_RST(9, 15, 4, 16), /* RIIC_7_MRST */ + DEF_RST(10, 0, 4, 17), /* RIIC_8_MRST */ + DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */ + DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */ + DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */ +}; + +const struct rzv2h_cpg_info r9a09g057_cpg_info __initconst = { + /* Core Clocks */ + .core_clks = r9a09g057_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g057_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r9a09g057_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g057_mod_clks), + .num_hw_mod_clks = 25 * 16, + + /* Resets */ + .resets = r9a09g057_resets, + .num_resets = ARRAY_SIZE(r9a09g057_resets), +}; |