Hi, Thanks for the patch. Use scripts/get_maintainer.pl to get list of maintainer and lists to Cc. On Tue, Oct 29, 2019 at 11:43:12AM +1030, Marian Mihailescu wrote: > Add device tree bindings for Mali GPU for Exynos 542x SoC. "Add device tree nodes", not bindings. > GPU is disabled by default, and is enabled for each board after the regulator > is defined. Tested on Odroid-XU4. > > Signed-off-by: Marian Mihailescu <mihailescu2m@xxxxxxxxx> > --- > arch/arm/boot/dts/exynos5420.dtsi | 49 +++++++++++++++++++++++++++ > arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 5 +++ > 2 files changed, 54 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi > index 7d51e0f4ab79..5d60e0f1b09a 100644 > --- a/arch/arm/boot/dts/exynos5420.dtsi > +++ b/arch/arm/boot/dts/exynos5420.dtsi > @@ -670,6 +670,55 @@ > iommus = <&sysmmu_gscl1>; > }; > > + mali: mali@11800000 { The node should be generic, so use gpu. Also for the label. > + compatible = "samsung,exynos5420-mali", "arm,malit628"; First compatible is not documented - please run scripts/checkpatch.pl. See: https://patchwork.kernel.org/patch/10996479/ Second compatible looks wrong. > + reg = <0x11800000 0x5000>; > + interrupts = <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>; Broken indentation. Align it with <GIC_SPI before. > + interrupt-names = "JOB", "MMU", "GPU"; Does not match bindings. > + > + clocks = <&clock CLK_G3D>; > + clock-names = "core"; > + power-domains = <&g3d_pd>; > + operating-points-v2 = <&gpu_opp_table>; This should be also cooling device so at least cooling cells are needed. The best would be to connect it with TMU GPU but this could be in next patches. > + > + status = "disabled"; > + > + gpu_opp_table: gpu-opp-table { The node name: just opp-table, to be generic. > + compatible = "operating-points-v2"; > + > + opp@177000000 { > + opp-hz = /bits/ 64 <177000000>; > + opp-microvolt = <812500>; > + }; > + opp@266000000 { > + opp-hz = /bits/ 64 <266000000>; > + opp-microvolt = <862500>; > + }; > + opp@350000000 { > + opp-hz = /bits/ 64 <350000000>; > + opp-microvolt = <912500>; > + }; > + opp-420000000 { > + opp-hz = /bits/ 64 <420000000>; > + opp-microvolt = <962500>; > + }; > + opp-480000000 { > + opp-hz = /bits/ 64 <480000000>; > + opp-microvolt = <1000000>; > + }; > + opp-543000000 { > + opp-hz = /bits/ 64 <543000000>; > + opp-microvolt = <1037500>; > + }; > + opp-600000000 { > + opp-hz = /bits/ 64 <600000000>; > + opp-microvolt = <1150000>; > + }; > + }; > + }; > + > scaler_0: scaler@12800000 { > compatible = "samsung,exynos5420-scaler"; > reg = <0x12800000 0x1294>; > diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi > index 422692b20c46..210c305a0ce8 100644 > --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi > +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi > @@ -659,6 +659,11 @@ > status = "okay"; > }; > > +&mali { > + mali-supply = <&buck4_reg>; Remove the always-on from buck4. Best regards, Krzysztof > + status = "okay"; > +}; > + > &rtc { > status = "okay"; > clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>; > -- > 2.14.1 >