| Message ID | 20200916074924.20637-1-jun.nie@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] soc: qcom: rpmpd: Add MSM8939 power-domains | expand |
Jun Nie <jun.nie@linaro.org> 于2020年9月16日周三 下午3:49写道： > > Add the shared modemcx/cx/mx power-domains found on MSM8939. > > Signed-off-by: Jun Nie <jun.nie@linaro.org> > --- > .../devicetree/bindings/power/qcom,rpmpd.yaml | 1 + > drivers/soc/qcom/rpmpd.c | 27 +++++++++++++++++++ > include/dt-bindings/power/qcom-rpmpd.h | 10 +++++++ > 3 files changed, 38 insertions(+) > Fix max state and alphabetically order per comments from Stephan, vs the version 1 patch. Jun
Hi, Thanks for sending a v2! On Wed, Sep 16, 2020 at 03:49:24PM +0800, Jun Nie wrote: > Add the shared modemcx/cx/mx power-domains found on MSM8939. > > Signed-off-by: Jun Nie <jun.nie@linaro.org> > --- > .../devicetree/bindings/power/qcom,rpmpd.yaml | 1 + > drivers/soc/qcom/rpmpd.c | 27 +++++++++++++++++++ > include/dt-bindings/power/qcom-rpmpd.h | 10 +++++++ > 3 files changed, 38 insertions(+) > > diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml > index 8058955fb3b9..ce9b556ac155 100644 > --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml > +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml > @@ -16,6 +16,7 @@ description: > properties: > compatible: > enum: > + - qcom,msm8939-rpmpd > - qcom,msm8976-rpmpd > - qcom,msm8996-rpmpd > - qcom,msm8998-rpmpd > diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c > index f2168e4259b2..829f51881e41 100644 > --- a/drivers/soc/qcom/rpmpd.c > +++ b/drivers/soc/qcom/rpmpd.c > @@ -220,7 +220,34 @@ static const struct rpmpd_desc qcs404_desc = { > .max_state = RPM_SMD_LEVEL_BINNING, > }; > > +/* msm8939 RPM Power Domains */ > +DEFINE_RPMPD_PAIR(msm8939, vddmd, vddmd_ao, SMPA, CORNER, 1); > +DEFINE_RPMPD_VFC(msm8939, vddmd_vfc, SMPA, 1); > + > +DEFINE_RPMPD_PAIR(msm8939, vddcx, vddcx_ao, SMPA, CORNER, 2); > +DEFINE_RPMPD_VFC(msm8939, vddcx_vfc, SMPA, 2); > + > +DEFINE_RPMPD_PAIR(msm8939, vddmx, vddmx_ao, LDOA, CORNER, 3); > + > +static struct rpmpd *msm8939_rpmpds[] = { > + [MSM8939_VDDMDCX] = &msm8939_vddmd, > + [MSM8939_VDDMDCX_AO] = &msm8939_vddmd_ao, > + [MSM8939_VDDMDCX_VFC] = &msm8939_vddmd_vfc, > + [MSM8939_VDDCX] = &msm8939_vddcx, > + [MSM8939_VDDCX_AO] = &msm8939_vddcx_ao, > + [MSM8939_VDDCX_VFC] = &msm8939_vddcx_vfc, > + [MSM8939_VDDMX] = &msm8939_vddmx, > + [MSM8939_VDDMX_AO] = &msm8939_vddmx_ao, > +}; > + > +static const struct rpmpd_desc msm8939_desc = { > + .rpmpds = msm8939_rpmpds, > + .num_pds = ARRAY_SIZE(msm8939_rpmpds), > + .max_state = MSM8939_VDDMX_AO, > +}; For consistent ordering this block should be also above /* msm8976 RPM Power Domains */ Also: .max_state still looks wrong to me. It has nothing to do with the number of power domains (MSM8939_VDDMX_AO). Instead, it is supposed to be the maximum possible peformance state (in your case: voltage corner). As far as I know, all SoCs using voltage corners use the same set of corners, a value from 0-6 for the following corners [1]: 0. None 1. Retention 2. SVS Krait 3. SVS SoC 4. Normal/Nominal 5. Turbo 6. Super Turbo (The corners are shifted by one in the msm-3.10 driver...) Super Turbo (= 6) is the .max_state you want to set here. That's why I suggested setting .max_state to MAX_8996_RPMPD_STATE (= 6). In my patch series for MSM8916, I renamed MAX_8996_RPMPD_STATE to MAX_CORNER_RPMPD_STATE [2]. Maybe that makes it a bit more clear. Thanks! Stephan [1]: https://source.codeaurora.org/quic/la/kernel/msm-3.10/tree/include/linux/regulator/rpm-smd-regulator.h?h=LA.BR.1.2.9.1-02310-8x16.0#n31 [2]: https://lore.kernel.org/linux-arm-msm/20200916104135.25085-2-stephan@gerhold.net/
diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml index 8058955fb3b9..ce9b556ac155 100644 --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml @@ -16,6 +16,7 @@ description: properties: compatible: enum: + - qcom,msm8939-rpmpd - qcom,msm8976-rpmpd - qcom,msm8996-rpmpd - qcom,msm8998-rpmpd diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c index f2168e4259b2..829f51881e41 100644 --- a/drivers/soc/qcom/rpmpd.c +++ b/drivers/soc/qcom/rpmpd.c @@ -220,7 +220,34 @@ static const struct rpmpd_desc qcs404_desc = { .max_state = RPM_SMD_LEVEL_BINNING, }; +/* msm8939 RPM Power Domains */ +DEFINE_RPMPD_PAIR(msm8939, vddmd, vddmd_ao, SMPA, CORNER, 1); +DEFINE_RPMPD_VFC(msm8939, vddmd_vfc, SMPA, 1); + +DEFINE_RPMPD_PAIR(msm8939, vddcx, vddcx_ao, SMPA, CORNER, 2); +DEFINE_RPMPD_VFC(msm8939, vddcx_vfc, SMPA, 2); + +DEFINE_RPMPD_PAIR(msm8939, vddmx, vddmx_ao, LDOA, CORNER, 3); + +static struct rpmpd *msm8939_rpmpds[] = { + [MSM8939_VDDMDCX] = &msm8939_vddmd, + [MSM8939_VDDMDCX_AO] = &msm8939_vddmd_ao, + [MSM8939_VDDMDCX_VFC] = &msm8939_vddmd_vfc, + [MSM8939_VDDCX] = &msm8939_vddcx, + [MSM8939_VDDCX_AO] = &msm8939_vddcx_ao, + [MSM8939_VDDCX_VFC] = &msm8939_vddcx_vfc, + [MSM8939_VDDMX] = &msm8939_vddmx, + [MSM8939_VDDMX_AO] = &msm8939_vddmx_ao, +}; + +static const struct rpmpd_desc msm8939_desc = { + .rpmpds = msm8939_rpmpds, + .num_pds = ARRAY_SIZE(msm8939_rpmpds), + .max_state = MSM8939_VDDMX_AO, +}; + static const struct of_device_id rpmpd_match_table[] = { + { .compatible = "qcom,msm8939-rpmpd", .data = &msm8939_desc }, { .compatible = "qcom,msm8976-rpmpd", .data = &msm8976_desc }, { .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc }, { .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc }, diff --git a/include/dt-bindings/power/qcom-rpmpd.h b/include/dt-bindings/power/qcom-rpmpd.h index 5e61eaf73bdd..fe207860456e 100644 --- a/include/dt-bindings/power/qcom-rpmpd.h +++ b/include/dt-bindings/power/qcom-rpmpd.h @@ -64,6 +64,16 @@ #define RPMH_REGULATOR_LEVEL_TURBO 384 #define RPMH_REGULATOR_LEVEL_TURBO_L1 416 +/* MSM8939 Power Domains */ +#define MSM8939_VDDMDCX 0 +#define MSM8939_VDDMDCX_AO 1 +#define MSM8939_VDDMDCX_VFC 2 +#define MSM8939_VDDCX 3 +#define MSM8939_VDDCX_AO 4 +#define MSM8939_VDDCX_VFC 5 +#define MSM8939_VDDMX 6 +#define MSM8939_VDDMX_AO 7 + /* MSM8976 Power Domain Indexes */ #define MSM8976_VDDCX 0 #define MSM8976_VDDCX_AO 1
Add the shared modemcx/cx/mx power-domains found on MSM8939. Signed-off-by: Jun Nie <jun.nie@linaro.org> --- .../devicetree/bindings/power/qcom,rpmpd.yaml | 1 + drivers/soc/qcom/rpmpd.c | 27 +++++++++++++++++++ include/dt-bindings/power/qcom-rpmpd.h | 10 +++++++ 3 files changed, 38 insertions(+)