[RFC PATCH 3/3] arm64: dts: qcom: specify power domains for the GPU

[Dmitry Baryshkov]

The GPU on msm8996 is powered on by several power domains. Add
configuration for the GFX CPR and MX domains.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 arch/arm64/boot/dts/qcom/msm8996.dtsi | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 905678e7175d..ff4fb30f9075 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -521,6 +521,10 @@ rpmpd_opp5: opp5 {
 					rpmpd_opp6: opp6 {
 						opp-level = <6>;
 					};
+
+					rpmpd_opp7: opp7 {
+						opp-level = <7>;
+					};
 				};
 			};
 		};
@@ -1228,7 +1232,8 @@ gpu: gpu at b00000 {
 			interconnects = <&bimc MASTER_GRAPHICS_3D &bimc SLAVE_EBI_CH0>;
 			interconnect-names = "gfx-mem";
 
-			power-domains = <&mmcc GPU_GX_GDSC>;
+			power-domains = <&mmcc GPU_GX_GDSC>, <&rpmpd MSM8996_VDDMX>;
+			power-domain-names = "gx", "mx";
 			iommus = <&adreno_smmu 0>;
 
 			nvmem-cells = <&speedbin_efuse>;
@@ -1251,30 +1256,37 @@ gpu_opp_table: opp-table {
 				opp-624000000 {
 					opp-hz = /bits/ 64 <624000000>;
 					opp-supported-hw = <0x09>;
+					required-opps = <&rpmpd_opp7>;
 				};
 				opp-560000000 {
 					opp-hz = /bits/ 64 <560000000>;
 					opp-supported-hw = <0x0d>;
+					required-opps = <&rpmpd_opp7>;
 				};
 				opp-510000000 {
 					opp-hz = /bits/ 64 <510000000>;
 					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp5>;
 				};
 				opp-401800000 {
 					opp-hz = /bits/ 64 <401800000>;
 					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp5>;
 				};
 				opp-315000000 {
 					opp-hz = /bits/ 64 <315000000>;
 					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp4>;
 				};
 				opp-214000000 {
 					opp-hz = /bits/ 64 <214000000>;
 					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp4>;
 				};
 				opp-133000000 {
 					opp-hz = /bits/ 64 <133000000>;
 					opp-supported-hw = <0xff>;
+					required-opps = <&rpmpd_opp4>;
 				};
 			};
 
-- 
2.39.2