arm64: tegra: Add SBSA UART for Tegra234

Populate the SBSA UART for Tegra234 and enable this UART for Jetson AGX
Orin.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
index f105bdf..df703fb 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
@@ -2007,6 +2007,11 @@
                        status = "okay";
                };
 
+               serial@31d0000 {
+                       current-speed = <115200>;
+                       status = "okay";
+               };
+
                pwm@32a0000 {
                        assigned-clocks = <&bpmp TEGRA234_CLK_PWM3>;
                        assigned-clock-parents = <&bpmp TEGRA234_CLK_PLLP_OUT0>;

diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index af98d48..5f55fdd 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -872,6 +872,13 @@
                        dma-names = "rx", "tx";
                };
 
+               uarti: serial@31d0000 {
+                       compatible = "arm,sbsa-uart";
+                       reg = <0x31d0000 0x10000>;
+                       interrupts = <GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>;
+                       status = "disabled";
+               };
+
                dp_aux_ch3_i2c: i2c@31e0000 {
                        compatible = "nvidia,tegra194-i2c";
                        reg = <0x31e0000 0x100>;