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soc: qcom: rpmpd: Add rpm power domains for msm8976

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The MSM8956/76 SoCs have two main voltage-level power domains, VDD_CX
and VDD_MX, which also have their own voltage-floor-level (VFL)
corner.

Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
AngeloGioacchino Del Regno 2019-10-05 13:07:58 +02:00 committed by Bjorn Andersson
parent 4bc6aadbcc
commit b1d522443b
3 changed files with 32 additions and 0 deletions
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1
Documentation/devicetree/bindings/power/qcom,rpmpd.txt
View File

@ -5,6 +5,7 @@ which then translates it into a corresponding voltage on a rail
Required Properties:
- compatible: Should be one of the following
* qcom,msm8976-rpmpd: RPM Power domain for the msm8976 family of SoC
* 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

23
drivers/soc/qcom/rpmpd.c
View File

@ -115,6 +115,28 @@ struct rpmpd_desc {
static DEFINE_MUTEX(rpmpd_lock);
/* msm8976 RPM Power Domains */
DEFINE_RPMPD_PAIR(msm8976, vddcx, vddcx_ao, SMPA, LEVEL, 2);
DEFINE_RPMPD_PAIR(msm8976, vddmx, vddmx_ao, SMPA, LEVEL, 6);
DEFINE_RPMPD_VFL(msm8976, vddcx_vfl, RWSC, 2);
DEFINE_RPMPD_VFL(msm8976, vddmx_vfl, RWSM, 6);
static struct rpmpd *msm8976_rpmpds[] = {
[MSM8976_VDDCX] = &msm8976_vddcx,
[MSM8976_VDDCX_AO] = &msm8976_vddcx_ao,
[MSM8976_VDDCX_VFL] = &msm8976_vddcx_vfl,
[MSM8976_VDDMX] = &msm8976_vddmx,
[MSM8976_VDDMX_AO] = &msm8976_vddmx_ao,
[MSM8976_VDDMX_VFL] = &msm8976_vddmx_vfl,
};
static const struct rpmpd_desc msm8976_desc = {
.rpmpds = msm8976_rpmpds,
.num_pds = ARRAY_SIZE(msm8976_rpmpds),
.max_state = RPM_SMD_LEVEL_TURBO_HIGH,
};
/* msm8996 RPM Power domains */
DEFINE_RPMPD_PAIR(msm8996, vddcx, vddcx_ao, SMPA, CORNER, 1);
DEFINE_RPMPD_PAIR(msm8996, vddmx, vddmx_ao, SMPA, CORNER, 2);
@ -198,6 +220,7 @@ static const struct rpmpd_desc qcs404_desc = {
};
static const struct of_device_id rpmpd_match_table[] = {
{ .compatible = "qcom,msm8976-rpmpd", .data = &msm8976_desc },
{ .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc },
{ .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc },
{ .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc },

8
include/dt-bindings/power/qcom-rpmpd.h
View File

@ -27,6 +27,14 @@
#define RPMH_REGULATOR_LEVEL_TURBO 384
#define RPMH_REGULATOR_LEVEL_TURBO_L1 416
/* MSM8976 Power Domain Indexes */
#define MSM8976_VDDCX 0
#define MSM8976_VDDCX_AO 1
#define MSM8976_VDDCX_VFL 2
#define MSM8976_VDDMX 3
#define MSM8976_VDDMX_AO 4
#define MSM8976_VDDMX_VFL 5
/* MSM8996 Power Domain Indexes */
#define MSM8996_VDDCX 0
#define MSM8996_VDDCX_AO 1