[PATCH v3 2/3] ARM: dts: rockchip: Add GPU node for RK3128

Alex Bee
2023-12-04T15:36:08Z

RK3128 SoCs have Mali400 MP2 GPU.
Add the respective device tree node and the correspondending opp-table.

The frequencies and voltages of the opp-table have been taken from
downstream kernel.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
arch/arm/boot/dts/rockchip/rk3128.dtsi | 44 ++++++++++++++++++++++++++
1 file changed, 44 insertions(+)

diff --git a/arch/arm/boot/dts/rockchip/rk3128.dtsi b/arch/arm/boot/dts/rockchip/rk3128.dtsi
index 0676d8b22a1e..414b690f96e4 100644
--- a/arch/arm/boot/dts/rockchip/rk3128.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3128.dtsi
@@ -101,6 +101,27 @@ opp-1200000000 {
};
};

+ gpu_opp_table: opp-table-1 {
+ compatible = "operating-points-v2";
+
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <975000 975000 1250000>;
+ };
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <1050000 1050000 1250000>;
+ };
+ opp-400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <1150000 1150000 1250000>;
+ };
+ opp-480000000 {
+ opp-hz = /bits/ 64 <480000000>;
+ opp-microvolt = <1250000 1250000 1250000>;
+ };
+ };
+
timer {
compatible = "arm,armv7-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
@@ -131,6 +152,29 @@ smp-sram@0 {
};
};

+ gpu: gpu@10090000 {
+ compatible = "rockchip,rk3128-mali", "arm,mali-400";
+ reg = <0x10090000 0x10000>;
+ interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "gp",
+ "gpmmu",
+ "pp0",
+ "ppmmu0",
+ "pp1",
+ "ppmmu1";
+ clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
+ clock-names = "bus", "core";
+ operating-points-v2 = <&gpu_opp_table>;
+ resets = <&cru SRST_GPU>;
+ power-domains = <&power RK3128_PD_GPU>;
+ status = "disabled";
+ };
+
pmu: syscon@100a0000 {
compatible = "rockchip,rk3128-pmu", "syscon", "simple-mfd";
reg = <0x100a0000 0x1000>;
--
2.43.0