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

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>

diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
index eb35b22f9e230d10d791cab438d8eb36206265e4..bc75bf49cdaea793f9c56927e02f36dbee53e05c 100644 (file)
--- 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,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

diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
index 3c1a55cf25d620258dacded8a1c69a17518d141b..2b1834c5609a9062e91e520963c4985b70dcc59b 100644 (file)
--- a/drivers/soc/qcom/rpmpd.c
+++ b/drivers/soc/qcom/rpmpd.c
@@ -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 },

diff --git a/include/dt-bindings/power/qcom-rpmpd.h b/include/dt-bindings/power/qcom-rpmpd.h
index 30a0aee0df57d56499c3124a9427215e24d6f71b..f05f8b1808ec9e9efc32988edfb15d5fd382d459 100644 (file)
--- 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
 
+/* 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