From: "Angelo G. Del Regno" <kholk11@xxxxxxxxx>
The MSM8956 SoC has two main voltage-level power domains, VDD_CX
and VDD_MX, which also have their own voltage-floor-level (VFL)
corner.
Signed-off-by: Angelo G. Del Regno <kholk11@xxxxxxxxx>
---
.../devicetree/bindings/power/qcom,rpmpd.txt | 1 +
drivers/soc/qcom/rpmpd.c | 23 +++++++++++++++++++
include/dt-bindings/power/qcom-rpmpd.h | 8 +++++++
3 files changed, 32 insertions(+)
diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
index eb35b22f9e23..30176b1e595a 100644
--- a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
+++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
@@ -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,msm8956-rpmpd: RPM Power domain for the msm8956 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
diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
index 3c1a55cf25d6..b50f62851461 100644
--- a/drivers/soc/qcom/rpmpd.c
+++ b/drivers/soc/qcom/rpmpd.c
@@ -115,6 +115,28 @@ struct rpmpd_desc {
static DEFINE_MUTEX(rpmpd_lock);
+/* msm8956 RPM Power Domains */
+DEFINE_RPMPD_PAIR(msm8956, vddcx, vddcx_ao, SMPA, LEVEL, 2);
+DEFINE_RPMPD_PAIR(msm8956, vddmx, vddmx_ao, SMPA, LEVEL, 6);
+
+DEFINE_RPMPD_VFL(msm8956, vddcx_vfl, RWSC, 2);
+DEFINE_RPMPD_VFL(msm8956, vddmx_vfl, RWSM, 6);
+
+static struct rpmpd *msm8956_rpmpds[] = {
+ [MSM8956_VDDCX] = &msm8956_vddcx,
+ [MSM8956_VDDCX_AO] = &msm8956_vddcx_ao,
+ [MSM8956_VDDCX_VFL] = &msm8956_vddcx_vfl,
+ [MSM8956_VDDMX] = &msm8956_vddmx,
+ [MSM8956_VDDMX_AO] = &msm8956_vddmx_ao,
+ [MSM8956_VDDMX_VFL] = &msm8956_vddmx_vfl,
+};
+
+static const struct rpmpd_desc msm8956_desc = {
+ .rpmpds = msm8956_rpmpds,
+ .num_pds = ARRAY_SIZE(msm8956_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,msm8956-rpmpd", .data = &msm8956_desc },
{ .compatible = "qcom,msm8996-rpmpd", .data = &msm8996_desc },
{ .compatible = "qcom,msm8998-rpmpd", .data = &msm8998_desc },
{ .compatible = "qcom,qcs404-rpmpd", .data = &qcs404_desc },
diff --git a/include/dt-bindings/power/qcom-rpmpd.h b/include/dt-bindings/power/qcom-rpmpd.h
index 30a0aee0df57..3423f964c233 100644
--- a/include/dt-bindings/power/qcom-rpmpd.h
+++ b/include/dt-bindings/power/qcom-rpmpd.h
@@ -27,6 +27,14 @@
#define RPMH_REGULATOR_LEVEL_TURBO 384
#define RPMH_REGULATOR_LEVEL_TURBO_L1 416
+/* MSM8956 Power Domain Indexes */
+#define MSM8956_VDDCX 0
+#define MSM8956_VDDCX_AO 1
+#define MSM8956_VDDCX_VFL 2
+#define MSM8956_VDDMX 3
+#define MSM8956_VDDMX_AO 4
+#define MSM8956_VDDMX_VFL 5
+
/* MSM8996 Power Domain Indexes */
#define MSM8996_VDDCX 0
#define MSM8996_VDDCX_AO 1
--
2.21.0
