ARC: [plat-hsdk]: Add support of Vivante GPU

HSDK board has built-in Vivante GPU IP which works perfectly fine
with Etnaviv driver, so let's use it.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

2 files changed, 30 insertions, 1 deletions

diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 10fb512956aa..64a2e32c5ad7 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -167,6 +167,24 @@
                         #clock-cells = <0>;
                 };
 
+                gpu_core_clk: gpu-core-clk {
+                        compatible = "fixed-clock";
+                        clock-frequency = <400000000>;
+                        #clock-cells = <0>;
+                };
+
+                gpu_dma_clk: gpu-dma-clk {
+                        compatible = "fixed-clock";
+                        clock-frequency = <400000000>;
+                        #clock-cells = <0>;
+                };
+
+                gpu_cfg_clk: gpu-cfg-clk {
+                        compatible = "fixed-clock";
+                        clock-frequency = <200000000>;
+                        #clock-cells = <0>;
+                };
+
                 dmac_core_clk: dmac-core-clk {
                         compatible = "fixed-clock";
                         clock-frequency = <400000000>;
@@ -264,6 +282,17 @@
                         };
                 };
 
+                gpu_3d: gpu@90000 {
+                        compatible = "vivante,gc";
+                        reg = <0x90000 0x4000>;
+                        clocks = <&gpu_dma_clk>,
+                                 <&gpu_cfg_clk>,
+                                 <&gpu_core_clk>,
+                                 <&gpu_core_clk>;
+                        clock-names = "bus", "reg", "core", "shader";
+                        interrupts = <28>;
+                };
+
                 dmac: dmac@80000 {
                         compatible = "snps,axi-dma-1.01a";
                         reg = <0x80000 0x400>;
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 0c4411f50948..c8fb5d60c53f 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -54,6 +54,7 @@ CONFIG_GPIO_SNPS_CREG=y
 CONFIG_DRM=y
 # CONFIG_DRM_FBDEV_EMULATION is not set
 CONFIG_DRM_UDL=y
+CONFIG_DRM_ETNAVIV=y
 CONFIG_FB=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_USB_EHCI_HCD=y
@@ -65,7 +66,6 @@ CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_DW=y
-# CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXT3_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y