arm64: dts: ti: am654: Add uart nodes

Add uart nodes for AM654 device tree components.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index faace38..674a266 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -28,4 +28,34 @@
                        #msi-cells = <1>;
                };
        };
+
+       main_uart0: serial@2800000 {
+               compatible = "ti,am654-uart";
+               reg = <0x00 0x02800000 0x00 0x100>;
+               reg-shift = <2>;
+               reg-io-width = <4>;
+               interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
+               clock-frequency = <48000000>;
+               current-speed = <115200>;
+       };
+
+       main_uart1: serial@2810000 {
+               compatible = "ti,am654-uart";
+               reg = <0x00 0x02810000 0x00 0x100>;
+               reg-shift = <2>;
+               reg-io-width = <4>;
+               interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
+               clock-frequency = <48000000>;
+               current-speed = <115200>;
+       };
+
+       main_uart2: serial@2820000 {
+               compatible = "ti,am654-uart";
+               reg = <0x00 0x02820000 0x00 0x100>;
+               reg-shift = <2>;
+               reg-io-width = <4>;
+               interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
+               clock-frequency = <48000000>;
+               current-speed = <115200>;
+       };
 };

diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
new file mode 100644 (file)
index 0000000..8c611d1
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for AM6 SoC Family MCU Domain peripherals
+ *
+ * Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+&cbass_mcu {
+       mcu_uart0: serial@40a00000 {
+               compatible = "ti,am654-uart";
+                       reg = <0x00 0x40a00000 0x00 0x100>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       interrupts = <GIC_SPI 565 IRQ_TYPE_LEVEL_HIGH>;
+                       clock-frequency = <96000000>;
+                       current-speed = <115200>;
+       };
+};

diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
new file mode 100644 (file)
index 0000000..8b4378d
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for AM6 SoC Family Wakeup Domain peripherals
+ *
+ * Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+&cbass_wakeup {
+       wkup_uart0: serial@42300000 {
+               compatible = "ti,am654-uart";
+               reg = <0x00 0x42300000 0x00 0x100>;
+               reg-shift = <2>;
+               reg-io-width = <4>;
+               interrupts = <GIC_SPI 697 IRQ_TYPE_LEVEL_HIGH>;
+               clock-frequency = <48000000>;
+               current-speed = <115200>;
+       };
+};

diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
index ded364d..3d4bf36 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
@@ -16,6 +16,14 @@
        #address-cells = <2>;
        #size-cells = <2>;
 
+       aliases {
+               serial0 = &wkup_uart0;
+               serial1 = &mcu_uart0;
+               serial2 = &main_uart0;
+               serial3 = &main_uart1;
+               serial4 = &main_uart2;
+       };
+
        chosen { };
 
        firmware {
@@ -85,3 +93,5 @@
 
 /* Now include the peripherals for each bus segments */
 #include "k3-am65-main.dtsi"
+#include "k3-am65-mcu.dtsi"
+#include "k3-am65-wakeup.dtsi"

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index af6956f..e146ac2 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -34,3 +34,8 @@
                };
        };
 };
+
+&wkup_uart0 {
+       /* Wakeup UART is used by System firmware */
+       status = "disabled";
+};