arm64: dts: imx8mn: Enable GPU

The i.MX8M-Nano features a GC7000. The Etnaviv driver detects it as:

    etnaviv-gpu 38000000.gpu: model: GC7000, revision: 6203

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index dc3f66d284e59ea7ae13a6a0e515025b95d27c5d..99f0f50266743198112dd91005814f74da76dc5d 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -1116,6 +1116,32 @@
                        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>;
+                       clock-names = "reg", "bus", "core", "shader";
+                       assigned-clocks = <&clk IMX8MN_CLK_GPU_CORE>,
+                                         <&clk IMX8MN_CLK_GPU_SHADER>,
+                                         <&clk IMX8MN_CLK_GPU_AXI>,
+                                         <&clk IMX8MN_CLK_GPU_AHB>,
+                                         <&clk IMX8MN_GPU_PLL>;
+                       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 = <400000000>,
+                                              <400000000>,
+                                              <800000000>,
+                                              <400000000>,
+                                              <1200000000>;
+                       power-domains = <&pgc_gpumix>;
+               };
+
                gic: interrupt-controller@38800000 {
                        compatible = "arm,gic-v3";
                        reg = <0x38800000 0x10000>,