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dts: arm: ambiq: apollo4p: instantiate UARTs

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This commit adds PL011 UART instances to the apollo4p dts.

Signed-off-by: Maciej Sobkowski <msobkowski@antmicro.com>
This commit is contained in:
Maciej Sobkowski 2023-06-29 13:25:21 +02:00 • committed by Carles Cufí
commit 13efe97d63
1 changed files with 53 additions and 0 deletions
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53
dts/arm/ambiq/ambiq_apollo4p.dtsi
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@ -4,6 +4,14 @@
#include <mem.h> #include <mem.h>
/ { / {
clocks {
uartclk: apb-pclk {
compatible = "fixed-clock";
clock-frequency = <24000000>;
#clock-cells = <0>;
};
};
cpus { cpus {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;
@ -27,6 +35,51 @@
}; };
soc { soc {
pwrcfg: pwrcfg@40021000 {
compatible = "ambiq,pwrctrl";
reg = <0x40021000 0x400>;
#pwrcfg-cells = <2>;
};
uart0: uart@4001c000 {
compatible = "ambiq,uart", "arm,pl011";
reg = <0x4001c000 0x1000>;
interrupts = <15 0>;
interrupt-names = "UART0";
status = "disabled";
clocks = <&uartclk>;
ambiq,pwrcfg = <&pwrcfg 0x4 0x200>;
};
uart1: uart@4001d000 {
compatible = "ambiq,uart", "arm,pl011";
reg = <0x4001d000 0x1000>;
interrupts = <16 0>;
interrupt-names = "UART1";
status = "disabled";
clocks = <&uartclk>;
ambiq,pwrcfg = <&pwrcfg 0x4 0x400>;
};
uart2: uart@4001e000 {
compatible = "ambiq,uart", "arm,pl011";
reg = <0x4001e000 0x1000>;
interrupts = <17 0>;
interrupt-names = "UART2";
status = "disabled";
clocks = <&uartclk>;
ambiq,pwrcfg = <&pwrcfg 0x4 0x800>;
};
uart3: uart@4001f000 {
compatible = "ambiq,uart", "arm,pl011";
reg = <0x4001f000 0x1000>;
interrupts = <18 0>;
interrupt-names = "UART3";
status = "disabled";
clocks = <&uartclk>;
ambiq,pwrcfg = <&pwrcfg 0x4 0x1000>;
};
pinctrl: pin-controller@40010000 { pinctrl: pin-controller@40010000 {
compatible = "ambiq,apollo4-pinctrl"; compatible = "ambiq,apollo4-pinctrl";
reg = <0x40010000 0x800>; reg = <0x40010000 0x800>;