On Thu, Oct 22, 2020 at 12:16:39PM -0500, 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 > > It uses the GPCV2 controller to enable the power domain for the GPU. > > Signed-off-by: Adam Ford <aford173@xxxxxxxxx> > --- > This patch depends on a series located: > https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=368903 > and > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > index 605e6dbd2c6f..62c8cd3dea7c 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > @@ -4,6 +4,8 @@ > */ > > #include <dt-bindings/clock/imx8mn-clock.h> > +#include <dt-bindings/power/imx8mn-power.h> > +#include <dt-bindings/reset/imx8mq-reset.h> > #include <dt-bindings/gpio/gpio.h> > #include <dt-bindings/input/input.h> > #include <dt-bindings/interrupt-controller/arm-gic.h> > @@ -1019,6 +1021,31 @@ 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>; Plaese indent it till '=' and put each entry in new line. This will match other 'assigned-clock' properties. Best regards, Krzysztof
