[PATCH v2 2/4] clk: qcom: mmcc-msm8996: Properly describe GPU_GX gdsc

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The GPU_GX GDSC depends on both GPU GDSC being enabled and that the
VDD_GX rail is powered, so update the description of the node to cover
these requirements.

Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---

Changes since v1:
- vdd_gfx -> vdd-gfx

 Documentation/devicetree/bindings/clock/qcom,mmcc.yaml | 4 ++++
 drivers/clk/qcom/mmcc-msm8996.c                        | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml b/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml
index acc31b3991bd..1b16a863b355 100644
--- a/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml
@@ -67,6 +67,10 @@ properties:
     description:
        Protected clock specifier list as per common clock binding
 
+  vdd-gfx-supply:
+    description:
+      Regulator supply for the GPU_GX GDSC
+
 required:
   - compatible
   - reg
diff --git a/drivers/clk/qcom/mmcc-msm8996.c b/drivers/clk/qcom/mmcc-msm8996.c
index 6c7592ddf8bb..3b3aac07fb2d 100644
--- a/drivers/clk/qcom/mmcc-msm8996.c
+++ b/drivers/clk/qcom/mmcc-msm8996.c
@@ -3064,7 +3064,9 @@ static struct gdsc gpu_gx_gdsc = {
 		.name = "gpu_gx",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
+	.parent = &gpu_gdsc.pd,
 	.flags = CLAMP_IO,
+	.supply = "vdd-gfx",
 };
 
 static struct clk_regmap *mmcc_msm8996_clocks[] = {
-- 
2.24.0




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