diff options
author | Andy Gross <agross@kernel.org> | 2019-05-29 21:41:40 -0500 |
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committer | Andy Gross <agross@kernel.org> | 2019-05-29 21:41:40 -0500 |
commit | d1b240beca65e30dc674b985d69f2bd2a2d04931 (patch) | |
tree | a927b1191872c89fe1fa291f610b63ac42ce1126 | |
parent | 460f13cab09813ea32d190c903fb439e155c32e2 (diff) | |
parent | 02e03c897a96d42c3cb6c31bce8ba635ef19a55c (diff) | |
download | linux-for-next.tar.gz |
-rw-r--r-- | Documentation/devicetree/bindings/power/qcom,rpmpd.txt | 2 | ||||
-rw-r--r-- | MAINTAINERS | 4 | ||||
-rw-r--r-- | drivers/soc/qcom/rpmpd.c | 134 | ||||
-rw-r--r-- | include/dt-bindings/power/qcom-rpmpd.h | 34 |
4 files changed, 148 insertions, 26 deletions
diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt index 980e5413d18fe2..eb35b22f9e230d 100644 --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt @@ -6,6 +6,8 @@ which then translates it into a corresponding voltage on a rail Required Properties: - compatible: Should be one of the following * qcom,msm8996-rpmpd: RPM Power domain for the msm8996 family of SoC + * qcom,msm8998-rpmpd: RPM Power domain for the msm8998 family of SoC + * qcom,qcs404-rpmpd: RPM Power domain for the qcs404 family of SoC * qcom,sdm845-rpmhpd: RPMh Power domain for the sdm845 family of SoC - #power-domain-cells: number of cells in Power domain specifier must be 1. diff --git a/MAINTAINERS b/MAINTAINERS index 5cfbea4ce57503..0399b094f690d5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2066,7 +2066,7 @@ F: drivers/i2c/busses/i2c-qup.c F: drivers/i2c/busses/i2c-qcom-geni.c F: drivers/mfd/ssbi.c F: drivers/mmc/host/mmci_qcom* -F: drivers/mmc/host/sdhci_msm.c +F: drivers/mmc/host/sdhci-msm.c F: drivers/pci/controller/dwc/pcie-qcom.c F: drivers/phy/qualcomm/ F: drivers/power/*/msm* @@ -13043,7 +13043,7 @@ M: Niklas Cassel <niklas.cassel@linaro.org> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c -F: Documentation/devicetree/bindings/net/qcom,dwmac.txt +F: Documentation/devicetree/bindings/net/qcom,ethqos.txt QUALCOMM GENERIC INTERFACE I2C DRIVER M: Alok Chauhan <alokc@codeaurora.org> diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c index 005326050c2368..3c1a55cf25d620 100644 --- a/drivers/soc/qcom/rpmpd.c +++ b/drivers/soc/qcom/rpmpd.c @@ -16,56 +16,76 @@ #define domain_to_rpmpd(domain) container_of(domain, struct rpmpd, pd) -/* Resource types */ +/* Resource types: + * RPMPD_X is X encoded as a little-endian, lower-case, ASCII string */ #define RPMPD_SMPA 0x61706d73 #define RPMPD_LDOA 0x616f646c +#define RPMPD_RWCX 0x78637772 +#define RPMPD_RWMX 0x786d7772 +#define RPMPD_RWLC 0x636c7772 +#define RPMPD_RWLM 0x6d6c7772 +#define RPMPD_RWSC 0x63737772 +#define RPMPD_RWSM 0x6d737772 /* Operation Keys */ #define KEY_CORNER 0x6e726f63 /* corn */ #define KEY_ENABLE 0x6e657773 /* swen */ #define KEY_FLOOR_CORNER 0x636676 /* vfc */ +#define KEY_FLOOR_LEVEL 0x6c6676 /* vfl */ +#define KEY_LEVEL 0x6c766c76 /* vlvl */ -#define MAX_RPMPD_STATE 6 +#define MAX_8996_RPMPD_STATE 6 -#define DEFINE_RPMPD_CORNER_SMPA(_platform, _name, _active, r_id) \ +#define DEFINE_RPMPD_PAIR(_platform, _name, _active, r_type, r_key, \ + r_id) \ static struct rpmpd _platform##_##_active; \ static struct rpmpd _platform##_##_name = { \ .pd = { .name = #_name, }, \ .peer = &_platform##_##_active, \ - .res_type = RPMPD_SMPA, \ + .res_type = RPMPD_##r_type, \ .res_id = r_id, \ - .key = KEY_CORNER, \ + .key = KEY_##r_key, \ }; \ static struct rpmpd _platform##_##_active = { \ .pd = { .name = #_active, }, \ .peer = &_platform##_##_name, \ .active_only = true, \ - .res_type = RPMPD_SMPA, \ + .res_type = RPMPD_##r_type, \ .res_id = r_id, \ - .key = KEY_CORNER, \ + .key = KEY_##r_key, \ } -#define DEFINE_RPMPD_CORNER_LDOA(_platform, _name, r_id) \ +#define DEFINE_RPMPD_CORNER(_platform, _name, r_type, r_id) \ static struct rpmpd _platform##_##_name = { \ .pd = { .name = #_name, }, \ - .res_type = RPMPD_LDOA, \ + .res_type = RPMPD_##r_type, \ .res_id = r_id, \ .key = KEY_CORNER, \ } -#define DEFINE_RPMPD_VFC(_platform, _name, r_id, r_type) \ +#define DEFINE_RPMPD_LEVEL(_platform, _name, r_type, r_id) \ static struct rpmpd _platform##_##_name = { \ .pd = { .name = #_name, }, \ - .res_type = r_type, \ + .res_type = RPMPD_##r_type, \ .res_id = r_id, \ - .key = KEY_FLOOR_CORNER, \ + .key = KEY_LEVEL, \ } -#define DEFINE_RPMPD_VFC_SMPA(_platform, _name, r_id) \ - DEFINE_RPMPD_VFC(_platform, _name, r_id, RPMPD_SMPA) +#define DEFINE_RPMPD_VFC(_platform, _name, r_type, r_id) \ + static struct rpmpd _platform##_##_name = { \ + .pd = { .name = #_name, }, \ + .res_type = RPMPD_##r_type, \ + .res_id = r_id, \ + .key = KEY_FLOOR_CORNER, \ + } -#define DEFINE_RPMPD_VFC_LDOA(_platform, _name, r_id) \ - DEFINE_RPMPD_VFC(_platform, _name, r_id, RPMPD_LDOA) +#define DEFINE_RPMPD_VFL(_platform, _name, r_type, r_id) \ + static struct rpmpd _platform##_##_name = { \ + .pd = { .name = #_name, }, \ + .res_type = RPMPD_##r_type, \ + .res_id = r_id, \ + .key = KEY_FLOOR_LEVEL, \ + } struct rpmpd_req { __le32 key; @@ -83,23 +103,25 @@ struct rpmpd { const int res_type; const int res_id; struct qcom_smd_rpm *rpm; + unsigned int max_state; __le32 key; }; struct rpmpd_desc { struct rpmpd **rpmpds; size_t num_pds; + unsigned int max_state; }; static DEFINE_MUTEX(rpmpd_lock); /* msm8996 RPM Power domains */ -DEFINE_RPMPD_CORNER_SMPA(msm8996, vddcx, vddcx_ao, 1); -DEFINE_RPMPD_CORNER_SMPA(msm8996, vddmx, vddmx_ao, 2); -DEFINE_RPMPD_CORNER_LDOA(msm8996, vddsscx, 26); +DEFINE_RPMPD_PAIR(msm8996, vddcx, vddcx_ao, SMPA, CORNER, 1); +DEFINE_RPMPD_PAIR(msm8996, vddmx, vddmx_ao, SMPA, CORNER, 2); +DEFINE_RPMPD_CORNER(msm8996, vddsscx, LDOA, 26); -DEFINE_RPMPD_VFC_SMPA(msm8996, vddcx_vfc, 1); -DEFINE_RPMPD_VFC_LDOA(msm8996, vddsscx_vfc, 26); +DEFINE_RPMPD_VFC(msm8996, vddcx_vfc, SMPA, 1); +DEFINE_RPMPD_VFC(msm8996, vddsscx_vfc, LDOA, 26); static struct rpmpd *msm8996_rpmpds[] = { [MSM8996_VDDCX] = &msm8996_vddcx, @@ -114,10 +136,71 @@ static struct rpmpd *msm8996_rpmpds[] = { static const struct rpmpd_desc msm8996_desc = { .rpmpds = msm8996_rpmpds, .num_pds = ARRAY_SIZE(msm8996_rpmpds), + .max_state = MAX_8996_RPMPD_STATE, +}; + +/* msm8998 RPM Power domains */ +DEFINE_RPMPD_PAIR(msm8998, vddcx, vddcx_ao, RWCX, LEVEL, 0); +DEFINE_RPMPD_VFL(msm8998, vddcx_vfl, RWCX, 0); + +DEFINE_RPMPD_PAIR(msm8998, vddmx, vddmx_ao, RWMX, LEVEL, 0); +DEFINE_RPMPD_VFL(msm8998, vddmx_vfl, RWMX, 0); + +DEFINE_RPMPD_LEVEL(msm8998, vdd_ssccx, RWSC, 0); +DEFINE_RPMPD_VFL(msm8998, vdd_ssccx_vfl, RWSC, 0); + +DEFINE_RPMPD_LEVEL(msm8998, vdd_sscmx, RWSM, 0); +DEFINE_RPMPD_VFL(msm8998, vdd_sscmx_vfl, RWSM, 0); + +static struct rpmpd *msm8998_rpmpds[] = { + [MSM8998_VDDCX] = &msm8998_vddcx, + [MSM8998_VDDCX_AO] = &msm8998_vddcx_ao, + [MSM8998_VDDCX_VFL] = &msm8998_vddcx_vfl, + [MSM8998_VDDMX] = &msm8998_vddmx, + [MSM8998_VDDMX_AO] = &msm8998_vddmx_ao, + [MSM8998_VDDMX_VFL] = &msm8998_vddmx_vfl, + [MSM8998_SSCCX] = &msm8998_vdd_ssccx, + [MSM8998_SSCCX_VFL] = &msm8998_vdd_ssccx_vfl, + [MSM8998_SSCMX] = &msm8998_vdd_sscmx, + [MSM8998_SSCMX_VFL] = &msm8998_vdd_sscmx_vfl, +}; + +static const struct rpmpd_desc msm8998_desc = { + .rpmpds = msm8998_rpmpds, + .num_pds = ARRAY_SIZE(msm8998_rpmpds), + .max_state = RPM_SMD_LEVEL_BINNING, +}; + +/* qcs404 RPM Power domains */ +DEFINE_RPMPD_PAIR(qcs404, vddmx, vddmx_ao, RWMX, LEVEL, 0); +DEFINE_RPMPD_VFL(qcs404, vddmx_vfl, RWMX, 0); + +DEFINE_RPMPD_LEVEL(qcs404, vdd_lpicx, RWLC, 0); +DEFINE_RPMPD_VFL(qcs404, vdd_lpicx_vfl, RWLC, 0); + +DEFINE_RPMPD_LEVEL(qcs404, vdd_lpimx, RWLM, 0); +DEFINE_RPMPD_VFL(qcs404, vdd_lpimx_vfl, RWLM, 0); + +static struct rpmpd *qcs404_rpmpds[] = { + [QCS404_VDDMX] = &qcs404_vddmx, + [QCS404_VDDMX_AO] = &qcs404_vddmx_ao, + [QCS404_VDDMX_VFL] = &qcs404_vddmx_vfl, + [QCS404_LPICX] = &qcs404_vdd_lpicx, + [QCS404_LPICX_VFL] = &qcs404_vdd_lpicx_vfl, + [QCS404_LPIMX] = &qcs404_vdd_lpimx, + [QCS404_LPIMX_VFL] = &qcs404_vdd_lpimx_vfl, +}; + +static const struct rpmpd_desc qcs404_desc = { + .rpmpds = qcs404_rpmpds, + .num_pds = ARRAY_SIZE(qcs404_rpmpds), + .max_state = RPM_SMD_LEVEL_BINNING, }; static const struct of_device_id rpmpd_match_table[] = { { .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc }, + { .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc }, + { .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc }, { } }; @@ -225,14 +308,16 @@ static int rpmpd_set_performance(struct generic_pm_domain *domain, int ret = 0; struct rpmpd *pd = domain_to_rpmpd(domain); - if (state > MAX_RPMPD_STATE) - goto out; + if (state > pd->max_state) + state = pd->max_state; mutex_lock(&rpmpd_lock); pd->corner = state; - if (!pd->enabled && pd->key != KEY_FLOOR_CORNER) + /* Always send updates for vfc and vfl */ + if (!pd->enabled && pd->key != KEY_FLOOR_CORNER && + pd->key != KEY_FLOOR_LEVEL) goto out; ret = rpmpd_aggregate_corner(pd); @@ -287,6 +372,7 @@ static int rpmpd_probe(struct platform_device *pdev) } rpmpds[i]->rpm = rpm; + rpmpds[i]->max_state = desc->max_state; rpmpds[i]->pd.power_off = rpmpd_power_off; rpmpds[i]->pd.power_on = rpmpd_power_on; rpmpds[i]->pd.set_performance_state = rpmpd_set_performance; diff --git a/include/dt-bindings/power/qcom-rpmpd.h b/include/dt-bindings/power/qcom-rpmpd.h index 87d9c66116825c..93e36d01152769 100644 --- a/include/dt-bindings/power/qcom-rpmpd.h +++ b/include/dt-bindings/power/qcom-rpmpd.h @@ -36,4 +36,38 @@ #define MSM8996_VDDSSCX 5 #define MSM8996_VDDSSCX_VFC 6 +/* MSM8998 Power Domain Indexes */ +#define MSM8998_VDDCX 0 +#define MSM8998_VDDCX_AO 1 +#define MSM8998_VDDCX_VFL 2 +#define MSM8998_VDDMX 3 +#define MSM8998_VDDMX_AO 4 +#define MSM8998_VDDMX_VFL 5 +#define MSM8998_SSCCX 6 +#define MSM8998_SSCCX_VFL 7 +#define MSM8998_SSCMX 8 +#define MSM8998_SSCMX_VFL 9 + +/* QCS404 Power Domains */ +#define QCS404_VDDMX 0 +#define QCS404_VDDMX_AO 1 +#define QCS404_VDDMX_VFL 2 +#define QCS404_LPICX 3 +#define QCS404_LPICX_VFL 4 +#define QCS404_LPIMX 5 +#define QCS404_LPIMX_VFL 6 + +/* RPM SMD Power Domain performance levels */ +#define RPM_SMD_LEVEL_RETENTION 16 +#define RPM_SMD_LEVEL_RETENTION_PLUS 32 +#define RPM_SMD_LEVEL_MIN_SVS 48 +#define RPM_SMD_LEVEL_LOW_SVS 64 +#define RPM_SMD_LEVEL_SVS 128 +#define RPM_SMD_LEVEL_SVS_PLUS 192 +#define RPM_SMD_LEVEL_NOM 256 +#define RPM_SMD_LEVEL_NOM_PLUS 320 +#define RPM_SMD_LEVEL_TURBO 384 +#define RPM_SMD_LEVEL_TURBO_NO_CPR 416 +#define RPM_SMD_LEVEL_BINNING 512 + #endif |