^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/pm_domain.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/pm_opp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/soc/qcom/smd-rpm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <dt-bindings/power/qcom-rpmpd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define domain_to_rpmpd(domain) container_of(domain, struct rpmpd, pd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* Resource types:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * RPMPD_X is X encoded as a little-endian, lower-case, ASCII string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define RPMPD_SMPA 0x61706d73
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define RPMPD_LDOA 0x616f646c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define RPMPD_RWCX 0x78637772
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define RPMPD_RWMX 0x786d7772
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define RPMPD_RWLC 0x636c7772
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define RPMPD_RWLM 0x6d6c7772
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define RPMPD_RWSC 0x63737772
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define RPMPD_RWSM 0x6d737772
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* Operation Keys */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define KEY_CORNER 0x6e726f63 /* corn */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define KEY_ENABLE 0x6e657773 /* swen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define KEY_FLOOR_CORNER 0x636676 /* vfc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define KEY_FLOOR_LEVEL 0x6c6676 /* vfl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define KEY_LEVEL 0x6c766c76 /* vlvl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define MAX_8996_RPMPD_STATE 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define DEFINE_RPMPD_PAIR(_platform, _name, _active, r_type, r_key, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) r_id) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct rpmpd _platform##_##_active; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static struct rpmpd _platform##_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .pd = { .name = #_name, }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .peer = &_platform##_##_active, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .res_type = RPMPD_##r_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .res_id = r_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .key = KEY_##r_key, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static struct rpmpd _platform##_##_active = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .pd = { .name = #_active, }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .peer = &_platform##_##_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .active_only = true, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .res_type = RPMPD_##r_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .res_id = r_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .key = KEY_##r_key, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define DEFINE_RPMPD_CORNER(_platform, _name, r_type, r_id) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static struct rpmpd _platform##_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .pd = { .name = #_name, }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .res_type = RPMPD_##r_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .res_id = r_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .key = KEY_CORNER, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define DEFINE_RPMPD_LEVEL(_platform, _name, r_type, r_id) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static struct rpmpd _platform##_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .pd = { .name = #_name, }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .res_type = RPMPD_##r_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .res_id = r_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .key = KEY_LEVEL, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define DEFINE_RPMPD_VFC(_platform, _name, r_type, r_id) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static struct rpmpd _platform##_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .pd = { .name = #_name, }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .res_type = RPMPD_##r_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .res_id = r_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .key = KEY_FLOOR_CORNER, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define DEFINE_RPMPD_VFL(_platform, _name, r_type, r_id) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static struct rpmpd _platform##_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .pd = { .name = #_name, }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .res_type = RPMPD_##r_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .res_id = r_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .key = KEY_FLOOR_LEVEL, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct rpmpd_req {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) __le32 key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) __le32 nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) __le32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct rpmpd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct generic_pm_domain pd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct rpmpd *peer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) const bool active_only;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) unsigned int corner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) bool enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) const char *res_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) const int res_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) const int res_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct qcom_smd_rpm *rpm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unsigned int max_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) __le32 key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct rpmpd_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct rpmpd **rpmpds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) size_t num_pds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) unsigned int max_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static DEFINE_MUTEX(rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /* msm8976 RPM Power Domains */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) DEFINE_RPMPD_PAIR(msm8976, vddcx, vddcx_ao, SMPA, LEVEL, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) DEFINE_RPMPD_PAIR(msm8976, vddmx, vddmx_ao, SMPA, LEVEL, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) DEFINE_RPMPD_VFL(msm8976, vddcx_vfl, RWSC, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) DEFINE_RPMPD_VFL(msm8976, vddmx_vfl, RWSM, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static struct rpmpd *msm8976_rpmpds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) [MSM8976_VDDCX] = &msm8976_vddcx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) [MSM8976_VDDCX_AO] = &msm8976_vddcx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) [MSM8976_VDDCX_VFL] = &msm8976_vddcx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) [MSM8976_VDDMX] = &msm8976_vddmx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) [MSM8976_VDDMX_AO] = &msm8976_vddmx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) [MSM8976_VDDMX_VFL] = &msm8976_vddmx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static const struct rpmpd_desc msm8976_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .rpmpds = msm8976_rpmpds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .num_pds = ARRAY_SIZE(msm8976_rpmpds),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .max_state = RPM_SMD_LEVEL_TURBO_HIGH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) /* msm8996 RPM Power domains */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) DEFINE_RPMPD_PAIR(msm8996, vddcx, vddcx_ao, SMPA, CORNER, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) DEFINE_RPMPD_PAIR(msm8996, vddmx, vddmx_ao, SMPA, CORNER, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) DEFINE_RPMPD_CORNER(msm8996, vddsscx, LDOA, 26);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) DEFINE_RPMPD_VFC(msm8996, vddcx_vfc, SMPA, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) DEFINE_RPMPD_VFC(msm8996, vddsscx_vfc, LDOA, 26);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static struct rpmpd *msm8996_rpmpds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) [MSM8996_VDDCX] = &msm8996_vddcx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) [MSM8996_VDDCX_AO] = &msm8996_vddcx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) [MSM8996_VDDCX_VFC] = &msm8996_vddcx_vfc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) [MSM8996_VDDMX] = &msm8996_vddmx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) [MSM8996_VDDMX_AO] = &msm8996_vddmx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) [MSM8996_VDDSSCX] = &msm8996_vddsscx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) [MSM8996_VDDSSCX_VFC] = &msm8996_vddsscx_vfc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static const struct rpmpd_desc msm8996_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .rpmpds = msm8996_rpmpds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .num_pds = ARRAY_SIZE(msm8996_rpmpds),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .max_state = MAX_8996_RPMPD_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) /* msm8998 RPM Power domains */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) DEFINE_RPMPD_PAIR(msm8998, vddcx, vddcx_ao, RWCX, LEVEL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) DEFINE_RPMPD_VFL(msm8998, vddcx_vfl, RWCX, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) DEFINE_RPMPD_PAIR(msm8998, vddmx, vddmx_ao, RWMX, LEVEL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) DEFINE_RPMPD_VFL(msm8998, vddmx_vfl, RWMX, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) DEFINE_RPMPD_LEVEL(msm8998, vdd_ssccx, RWSC, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) DEFINE_RPMPD_VFL(msm8998, vdd_ssccx_vfl, RWSC, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) DEFINE_RPMPD_LEVEL(msm8998, vdd_sscmx, RWSM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) DEFINE_RPMPD_VFL(msm8998, vdd_sscmx_vfl, RWSM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static struct rpmpd *msm8998_rpmpds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) [MSM8998_VDDCX] = &msm8998_vddcx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) [MSM8998_VDDCX_AO] = &msm8998_vddcx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) [MSM8998_VDDCX_VFL] = &msm8998_vddcx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) [MSM8998_VDDMX] = &msm8998_vddmx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) [MSM8998_VDDMX_AO] = &msm8998_vddmx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) [MSM8998_VDDMX_VFL] = &msm8998_vddmx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) [MSM8998_SSCCX] = &msm8998_vdd_ssccx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) [MSM8998_SSCCX_VFL] = &msm8998_vdd_ssccx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) [MSM8998_SSCMX] = &msm8998_vdd_sscmx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) [MSM8998_SSCMX_VFL] = &msm8998_vdd_sscmx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static const struct rpmpd_desc msm8998_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .rpmpds = msm8998_rpmpds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .num_pds = ARRAY_SIZE(msm8998_rpmpds),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .max_state = RPM_SMD_LEVEL_BINNING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* qcs404 RPM Power domains */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) DEFINE_RPMPD_PAIR(qcs404, vddmx, vddmx_ao, RWMX, LEVEL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) DEFINE_RPMPD_VFL(qcs404, vddmx_vfl, RWMX, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) DEFINE_RPMPD_LEVEL(qcs404, vdd_lpicx, RWLC, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) DEFINE_RPMPD_VFL(qcs404, vdd_lpicx_vfl, RWLC, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) DEFINE_RPMPD_LEVEL(qcs404, vdd_lpimx, RWLM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) DEFINE_RPMPD_VFL(qcs404, vdd_lpimx_vfl, RWLM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static struct rpmpd *qcs404_rpmpds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) [QCS404_VDDMX] = &qcs404_vddmx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) [QCS404_VDDMX_AO] = &qcs404_vddmx_ao,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) [QCS404_VDDMX_VFL] = &qcs404_vddmx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) [QCS404_LPICX] = &qcs404_vdd_lpicx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) [QCS404_LPICX_VFL] = &qcs404_vdd_lpicx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) [QCS404_LPIMX] = &qcs404_vdd_lpimx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) [QCS404_LPIMX_VFL] = &qcs404_vdd_lpimx_vfl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static const struct rpmpd_desc qcs404_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .rpmpds = qcs404_rpmpds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .num_pds = ARRAY_SIZE(qcs404_rpmpds),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .max_state = RPM_SMD_LEVEL_BINNING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static const struct of_device_id rpmpd_match_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) { .compatible = "qcom,msm8976-rpmpd", .data = &msm8976_desc },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) { .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) { .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) { .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) MODULE_DEVICE_TABLE(of, rpmpd_match_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static int rpmpd_send_enable(struct rpmpd *pd, bool enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct rpmpd_req req = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .key = KEY_ENABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .nbytes = cpu_to_le32(sizeof(u32)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .value = cpu_to_le32(enable),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return qcom_rpm_smd_write(pd->rpm, QCOM_SMD_RPM_ACTIVE_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) pd->res_type, pd->res_id, &req, sizeof(req));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static int rpmpd_send_corner(struct rpmpd *pd, int state, unsigned int corner)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct rpmpd_req req = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .key = pd->key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .nbytes = cpu_to_le32(sizeof(u32)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .value = cpu_to_le32(corner),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return qcom_rpm_smd_write(pd->rpm, state, pd->res_type, pd->res_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) &req, sizeof(req));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static void to_active_sleep(struct rpmpd *pd, unsigned int corner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) unsigned int *active, unsigned int *sleep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) *active = corner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (pd->active_only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) *sleep = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) *sleep = *active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static int rpmpd_aggregate_corner(struct rpmpd *pd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) struct rpmpd *peer = pd->peer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) unsigned int active_corner, sleep_corner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) unsigned int this_active_corner = 0, this_sleep_corner = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) to_active_sleep(pd, pd->corner, &this_active_corner, &this_sleep_corner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (peer && peer->enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) to_active_sleep(peer, peer->corner, &peer_active_corner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) &peer_sleep_corner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) active_corner = max(this_active_corner, peer_active_corner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) ret = rpmpd_send_corner(pd, QCOM_SMD_RPM_ACTIVE_STATE, active_corner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) sleep_corner = max(this_sleep_corner, peer_sleep_corner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return rpmpd_send_corner(pd, QCOM_SMD_RPM_SLEEP_STATE, sleep_corner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static int rpmpd_power_on(struct generic_pm_domain *domain)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) struct rpmpd *pd = domain_to_rpmpd(domain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) mutex_lock(&rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) ret = rpmpd_send_enable(pd, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) pd->enabled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) if (pd->corner)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) ret = rpmpd_aggregate_corner(pd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) mutex_unlock(&rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static int rpmpd_power_off(struct generic_pm_domain *domain)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct rpmpd *pd = domain_to_rpmpd(domain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) mutex_lock(&rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) ret = rpmpd_send_enable(pd, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) pd->enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) mutex_unlock(&rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) static int rpmpd_set_performance(struct generic_pm_domain *domain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) unsigned int state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct rpmpd *pd = domain_to_rpmpd(domain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (state > pd->max_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) state = pd->max_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) mutex_lock(&rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) pd->corner = state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) /* Always send updates for vfc and vfl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (!pd->enabled && pd->key != KEY_FLOOR_CORNER &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) pd->key != KEY_FLOOR_LEVEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ret = rpmpd_aggregate_corner(pd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) mutex_unlock(&rpmpd_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static unsigned int rpmpd_get_performance(struct generic_pm_domain *genpd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) struct dev_pm_opp *opp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) return dev_pm_opp_get_level(opp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) static int rpmpd_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) size_t num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) struct genpd_onecell_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) struct qcom_smd_rpm *rpm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) struct rpmpd **rpmpds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) const struct rpmpd_desc *desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) rpm = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (!rpm) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) dev_err(&pdev->dev, "Unable to retrieve handle to RPM\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) desc = of_device_get_match_data(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (!desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) rpmpds = desc->rpmpds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) num = desc->num_pds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) data->domains = devm_kcalloc(&pdev->dev, num, sizeof(*data->domains),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (!data->domains)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) data->num_domains = num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) for (i = 0; i < num; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (!rpmpds[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) dev_warn(&pdev->dev, "rpmpds[] with empty entry at index=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) rpmpds[i]->rpm = rpm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) rpmpds[i]->max_state = desc->max_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) rpmpds[i]->pd.power_off = rpmpd_power_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) rpmpds[i]->pd.power_on = rpmpd_power_on;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) rpmpds[i]->pd.set_performance_state = rpmpd_set_performance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) rpmpds[i]->pd.opp_to_performance_state = rpmpd_get_performance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) pm_genpd_init(&rpmpds[i]->pd, NULL, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) data->domains[i] = &rpmpds[i]->pd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) static struct platform_driver rpmpd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) .name = "qcom-rpmpd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) .of_match_table = rpmpd_match_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) .suppress_bind_attrs = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .probe = rpmpd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) static int __init rpmpd_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) return platform_driver_register(&rpmpd_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) core_initcall(rpmpd_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPM Power Domain Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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