[PATCH v3 3/3] ARM: dts: aspeed: Add uart routing to device tree

From: Chia-Wei Wang
Date: Thu Sep 09 2021 - 06:30:18 EST


Add LPC uart routing to the device tree for Aspeed SoCs.

Signed-off-by: Oskar Senft <osk@xxxxxxxxxx>
Signed-off-by: Chia-Wei Wang <chiawei_wang@xxxxxxxxxxxxxx>
Tested-by: Lei YU <yulei.sh@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/aspeed-g4.dtsi | 6 ++++++
arch/arm/boot/dts/aspeed-g5.dtsi | 6 ++++++
arch/arm/boot/dts/aspeed-g6.dtsi | 6 ++++++
3 files changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index c5aeb3cf3a09..b313a1cf5f73 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot/dts/aspeed-g4.dtsi
@@ -383,6 +383,12 @@
interrupts = <8>;
status = "disabled";
};
+
+ uart_routing: uart-routing@9c {
+ compatible = "aspeed,ast2400-uart-routing";
+ reg = <0x9c 0x4>;
+ status = "disabled";
+ };
};

uart2: serial@1e78d000 {
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index 73ca1ec6fc24..c7049454c7cb 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -491,6 +491,12 @@
#reset-cells = <1>;
};

+ uart_routing: uart-routing@9c {
+ compatible = "aspeed,ast2500-uart-routing";
+ reg = <0x9c 0x4>;
+ status = "disabled";
+ };
+
lhc: lhc@a0 {
compatible = "aspeed,ast2500-lhc";
reg = <0xa0 0x24 0xc8 0x8>;
diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index 1b47be1704f8..cdc59c5d86fe 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -551,6 +551,12 @@
#reset-cells = <1>;
};

+ uart_routing: uart-routing@98 {
+ compatible = "aspeed,ast2600-uart-routing";
+ reg = <0x98 0x8>;
+ status = "disabled";
+ };
+
ibt: ibt@140 {
compatible = "aspeed,ast2600-ibt-bmc";
reg = <0x140 0x18>;
--
2.17.1