On Sat, Nov 07, 2020 at 08:00:25AM -0600, Adam Ford wrote: > According to the documentation from NXP, the i.MX8M Nano has a > Vivante GC7000 Ultra Lite as its GPU core. > > With this patch, the Etnaviv driver presents the GPU as: > etnaviv-gpu 38000000.gpu: model: GC7000, revision: 6203 > > The stock operating voltage for the i.MX8M Nano is .85V which means > the GPU needs to run at 400MHz. For boards where the operating > voltage is higher, this can be increased. > > Signed-off-by: Adam Ford <[email protected]> > --- > V2: Move into this series > Update clocking description > > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 25 +++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > index 5e4b6934de40..6e650ea422a7 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > @@ -1008,6 +1008,31 @@ gpmi: nand-controller@33002000 { > status = "disabled"; > }; > > + gpu: gpu@38000000 { > + compatible = "vivante,gc"; > + reg = <0x38000000 0x8000>; > + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clk IMX8MN_CLK_GPU_AHB>, > + <&clk IMX8MN_CLK_GPU_BUS_ROOT>, > + <&clk IMX8MN_CLK_GPU_CORE_ROOT>, > + <&clk IMX8MN_CLK_GPU_SHADER_DIV>; > + clock-names = "reg", "bus", "core", "shader"; > + assigned-clocks = <&clk IMX8MN_CLK_GPU_CORE_SRC>, > + <&clk IMX8MN_CLK_GPU_SHADER_SRC>, > + <&clk IMX8MN_CLK_GPU_AXI>, > + <&clk IMX8MN_CLK_GPU_AHB>, > + <&clk IMX8MN_GPU_PLL>, > + <&clk IMX8MN_CLK_GPU_CORE_DIV>, > + <&clk IMX8MN_CLK_GPU_SHADER_DIV>; > + assigned-clock-parents = <&clk IMX8MN_GPU_PLL_OUT>, > + <&clk IMX8MN_GPU_PLL_OUT>, > + <&clk IMX8MN_SYS_PLL1_800M>, > + <&clk IMX8MN_SYS_PLL1_800M>; > + assigned-clock-rates = <0>, <0>, <800000000>, > <400000000>, <1200000000>, > + <400000000>, <400000000>;
It would be nice to align indentation here to <0> above. Reviewed-by: Krzysztof Kozlowski <[email protected]> Best regards, Krzysztof
