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// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "jz4770.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>
/ {
compatible = "gcw,zero", "ingenic,jz4770";
model = "GCW Zero";
aliases {
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
serial3 = &uart3;
};
chosen {
stdout-path = "serial2:57600n8";
};
board {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges;
otg_phy: otg-phy {
compatible = "usb-nop-xceiv";
clocks = <&cgu JZ4770_CLK_OTG_PHY>;
clock-names = "main_clk";
};
};
};
&ext {
clock-frequency = <12000000>;
};
&uart2 {
status = "okay";
};
&cgu {
/* Put high-speed peripherals under PLL1, such that we can change the
* PLL0 frequency on demand without having to suspend peripherals.
* We use a rate of 432 MHz, which is the least common multiple of
* 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
*/
assigned-clocks =
<&cgu JZ4770_CLK_PLL1>,
<&cgu JZ4770_CLK_UHC>;
assigned-clock-parents =
<0>,
<&cgu JZ4770_CLK_PLL1>;
assigned-clock-rates =
<432000000>;
};
&uhc {
/* The WiFi module is connected to the UHC. */
status = "okay";
};
&tcu {
/* 750 kHz for the system timer and clocksource */
assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
assigned-clock-rates = <750000>, <750000>;
/* PWM1 is in use, so reserve channel #2 for the clocksource */
ingenic,pwm-channels-mask = <0xfa>;
};
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