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arm64: dts: ti: am654: Add uart nodes

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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>
This commit is contained in:
Nishanth Menon
2018-09-05 11:20:22 -05:00
committed by Tero Kristo
parent 3bc1572068
commit 4201af2544
5 changed files with 81 additions and 0 deletions
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30
arch/arm64/boot/dts/ti/k3-am65-main.dtsi
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@@ -28,4 +28,34 @@
#msi-cells = <1>; #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>;
};
}; };

18
arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi Normal file
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@@ -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>;
};
};

18
arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi Normal file
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@@ -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>;
};
};

10
arch/arm64/boot/dts/ti/k3-am65.dtsi
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@@ -16,6 +16,14 @@
#address-cells = <2>; #address-cells = <2>;
#size-cells = <2>; #size-cells = <2>;
aliases {
serial0 = &wkup_uart0;
serial1 = &mcu_uart0;
serial2 = &main_uart0;
serial3 = &main_uart1;
serial4 = &main_uart2;
};
chosen { }; chosen { };
firmware { firmware {
@@ -85,3 +93,5 @@
/* Now include the peripherals for each bus segments */ /* Now include the peripherals for each bus segments */
#include "k3-am65-main.dtsi" #include "k3-am65-main.dtsi"
#include "k3-am65-mcu.dtsi"
#include "k3-am65-wakeup.dtsi"

5
arch/arm64/boot/dts/ti/k3-am654-base-board.dts
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@@ -34,3 +34,8 @@
}; };
}; };
}; };
&wkup_uart0 {
/* Wakeup UART is used by System firmware */
status = "disabled";
};