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>
---
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 85518494ce43..65d9aa790581 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..fd43a35db13b 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
