[PATCH 5/5] soc: qcom: rpmpd: Add rpm power domains for msm8956

[kholk11@xxxxxxxxx]

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