[PATCH 2/3] arm64: dts: rockchip: add gpu opp table for rk3399

[Jacob Chen]

midgard-t860 gpu in rk3399 support run in 800MHz.

Signed-off-by: Jacob Chen <jacob-c...@iotwrt.com>
---
 arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi 
b/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi
index c83460d..3d88ba2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi
@@ -110,6 +110,35 @@
                        opp-microvolt = <1200000>;
                };
        };
+
+       gpu_opp_table: opp-table2 {
+               compatible = "operating-points-v2";
+
+               opp-200000000 {
+                       opp-hz = /bits/ 64 <200000000>;
+                       opp-microvolt = <800000>;
+               };
+               opp-297000000 {
+                       opp-hz = /bits/ 64 <297000000>;
+                       opp-microvolt = <800000>;
+               };
+               opp-400000000 {
+                       opp-hz = /bits/ 64 <400000000>;
+                       opp-microvolt = <825000>;
+               };
+               opp-500000000 {
+                       opp-hz = /bits/ 64 <500000000>;
+                       opp-microvolt = <875000>;
+               };
+               opp-600000000 {
+                       opp-hz = /bits/ 64 <600000000>;
+                       opp-microvolt = <925000>;
+               };
+               opp-800000000 {
+                       opp-hz = /bits/ 64 <800000000>;
+                       opp-microvolt = <1100000>;
+               };
+       };
 };
 
 &cpu_l0 {
@@ -135,3 +164,7 @@
 &cpu_b1 {
        operating-points-v2 = <&cluster1_opp>;
 };
+
+&gpu {
+       operating-points-v2 = <&gpu_opp_table>;
+};
-- 
2.7.4