RK312x SoCs have Mali400 MP2 GPU. Add the respective device tree node and the correspondending opp-table.
The frequencies and voltages have been taken from downstream kernel and work fine for both RK3126 and RK3128.
Signed-off-by: Alex Bee knaerzche@gmail.com --- arch/arm/boot/dts/rockchip/rk312x.dtsi | 44 ++++++++++++++++++++++++++ 1 file changed, 44 insertions(+)
diff --git a/arch/arm/boot/dts/rockchip/rk312x.dtsi b/arch/arm/boot/dts/rockchip/rk312x.dtsi index 617306a9edf7..024d801a9792 100644 --- a/arch/arm/boot/dts/rockchip/rk312x.dtsi +++ b/arch/arm/boot/dts/rockchip/rk312x.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"; + power-domains = <&power RK3128_PD_GPU>; + resets = <&cru SRST_GPU>; + operating-points-v2 = <&gpu_opp_table>; + status = "disabled"; + }; + pmu: syscon@100a0000 { compatible = "rockchip,rk3128-pmu", "syscon", "simple-mfd"; reg = <0x100a0000 0x1000>;