1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * OMAP5 Voltage Management Routines 4 * 5 * Based on voltagedomains44xx_data.c 6 * 7 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com 8 */ 9 #include <linux/kernel.h> 10 #include <linux/err.h> 11 #include <linux/init.h> 12 13 #include "common.h" 14 15 #include "prm54xx.h" 16 #include "voltage.h" 17 #include "omap_opp_data.h" 18 #include "vc.h" 19 #include "vp.h" 20 21 static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = { 22 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, 23 }; 24 25 static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = { 26 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET, 27 }; 28 29 static const struct omap_vfsm_instance omap5_vdd_core_vfsm = { 30 .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, 31 }; 32 33 static struct voltagedomain omap5_voltdm_mpu = { 34 .name = "mpu", 35 .scalable = true, 36 .read = omap4_prm_vcvp_read, 37 .write = omap4_prm_vcvp_write, 38 .rmw = omap4_prm_vcvp_rmw, 39 .vc = &omap4_vc_mpu, 40 .vfsm = &omap5_vdd_mpu_vfsm, 41 .vp = &omap4_vp_mpu, 42 }; 43 44 static struct voltagedomain omap5_voltdm_mm = { 45 .name = "mm", 46 .scalable = true, 47 .read = omap4_prm_vcvp_read, 48 .write = omap4_prm_vcvp_write, 49 .rmw = omap4_prm_vcvp_rmw, 50 .vc = &omap4_vc_iva, 51 .vfsm = &omap5_vdd_mm_vfsm, 52 .vp = &omap4_vp_iva, 53 }; 54 55 static struct voltagedomain omap5_voltdm_core = { 56 .name = "core", 57 .scalable = true, 58 .read = omap4_prm_vcvp_read, 59 .write = omap4_prm_vcvp_write, 60 .rmw = omap4_prm_vcvp_rmw, 61 .vc = &omap4_vc_core, 62 .vfsm = &omap5_vdd_core_vfsm, 63 .vp = &omap4_vp_core, 64 }; 65 66 static struct voltagedomain omap5_voltdm_wkup = { 67 .name = "wkup", 68 }; 69 70 static struct voltagedomain *voltagedomains_omap5[] __initdata = { 71 &omap5_voltdm_mpu, 72 &omap5_voltdm_mm, 73 &omap5_voltdm_core, 74 &omap5_voltdm_wkup, 75 NULL, 76 }; 77 78 static const char *const sys_clk_name __initconst = "sys_clkin"; 79 80 void __init omap54xx_voltagedomains_init(void) 81 { 82 struct voltagedomain *voltdm; 83 int i; 84 85 for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++) 86 voltdm->sys_clk.name = sys_clk_name; 87 88 voltdm_init(voltagedomains_omap5); 89 }; 90