ARM: tegra: venice2: Add GK20A GPU DT node

Add the device-tree node for the GK20A GPU and leave it disabled.
It is the responsibility of the bootloader to enable it if the
VPR registers have been programmed such that the GPU can operate.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 79e724bb7df78b1c11e42b5e7648c5f64254df41..cfbdf429b45d2e1afa25ef0b9fba26b1792b922a 100644 (file)
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -43,6 +43,14 @@
                };
        };
 
+       gpu@0,57000000 {
+               /*
+                * Node left disabled on purpose - the bootloader will enable
+                * it after having set the VPR up
+                */
+               vdd-supply = <&vdd_gpu>;
+       };
+
        pinmux: pinmux@0,70000868 {
                pinctrl-names = "boot";
                pinctrl-0 = <&pinmux_boot>;
@@ -735,7 +743,7 @@
                                        regulator-always-on;
                                };
 
-                               sd6 {
+                               vdd_gpu: sd6 {
                                        regulator-name = "+VDD_GPU_AP";
                                        regulator-min-microvolt = <650000>;
                                        regulator-max-microvolt = <1200000>;