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[3/3] arm64: dts: ti: Add support for AM642 EVM

Message ID 20201125052004.17823-4-d-gerlach@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: Initial support for Texas Instruments AM642 Platform | expand

Commit Message

Dave Gerlach Nov. 25, 2020, 5:20 a.m. UTC 
The AM642 EValuation Module (EVM) is a board that provides access to
various peripherals available on the AM642 SoC, such as PCIe, USB 2.0,
CPSW Ethernet, ADC, and more.

Introduce basic support for the AM642 EVM to enable minimal
ramdisk boot.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
---
 arch/arm64/boot/dts/ti/Makefile         |  2 +
 arch/arm64/boot/dts/ti/k3-am642-evm.dts | 61 +++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-am642-evm.dts
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 65506f21ba30..c687739e2bca 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -11,3 +11,5 @@  dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-j721e-common-proc-board.dtb
 
 dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb
+
+dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
new file mode 100644
index 000000000000..8caa012382df
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -0,0 +1,61 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+
+#include "k3-am642.dtsi"
+
+/ {
+	compatible =  "ti,am642-evm", "ti,am642";
+	model = "Texas Instruments AM642 EVM";
+
+	chosen {
+		stdout-path = "serial2:115200n8";
+		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		/* 2G RAM */
+		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
+
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		secure_ddr: optee@9e800000 {
+			reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
+			alignment = <0x1000>;
+			no-map;
+		};
+	};
+};
+
+&main_uart1 {
+	status = "disabled";
+};
+
+&main_uart2 {
+	status = "disabled";
+};
+
+&main_uart3 {
+	status = "disabled";
+};
+
+&main_uart4 {
+	status = "disabled";
+};
+
+&main_uart5 {
+	status = "disabled";
+};
+
+&main_uart6 {
+	status = "disabled";
+};