From: Mikko Perttunen <mperttunen@xxxxxxxxxx>
Add a device for TCU (Tegra Combined UART) used for serial console.
Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index ffe300356e85..63274181d544 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -192,6 +192,14 @@ psci {
method = "smc";
};
+ tcu: serial {
+ compatible = "nvidia,tegra234-tcu", "nvidia,tegra194-tcu";
+ mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_SM TEGRA_HSP_SM_RX(0)>,
+ <&hsp_aon TEGRA_HSP_MBOX_TYPE_SM TEGRA_HSP_SM_TX(1)>;
+ mbox-names = "rx", "tx";
+ status = "disabled";
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
--
2.33.1
