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281 changes: 281 additions & 0 deletions arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
Original file line number Diff line number Diff line change
Expand Up @@ -6,18 +6,291 @@
/dts-v1/;

#include "eic7700.dtsi"
#include "eic7700-pinctrl.dtsi"

/ {
compatible = "sifive,hifive-premier-p550", "eswin,eic7700";
model = "SiFive HiFive Premier P550";

aliases {
mmc0 = &sdhci_emmc;
mmc1 = &sdio0;
mmc2 = &sdio1;
serial0 = &uart0;
ethernet0 = &gmac0;
ethernet1 = &gmac1;
};

chosen {
stdout-path = "serial0:115200n8";
};

reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;

linux,cma {
compatible = "shared-dma-pool";
reusable;
size = <0x0 0x20000000>;
alignment = <0x0 0x1000>;
linux,cma-default;
};
};

vcc_1v8: vcc1v8 {
compatible = "regulator-fixed";
regulator-name = "vcc1v8";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
};

&xtal24m {
clock-frequency = <24000000>;
clock-output-names = "xtal24m";
};

&gpio0_pins {
bias-disable;
input-enable;
};

&gpio5_pins {
bias-disable;
input-enable;
};

&gpio11_pins {
bias-disable;
input-enable;
};

&gpio14_pins {
bias-pull-up;
input-disable;
};

&gpio15_pins {
bias-disable;
input-enable;
};

&gpio28_pins {
bias-disable;
input-enable;
};

&gpio43_pins {
bias-disable;
input-disable;
};

&gpio71_pins {
bias-pull-up;
input-disable;
};

&gpio74_pins {
bias-pull-up;
input-disable;
};

&gpio76_pins {
bias-disable;
input-disable;
};

&gpio77_pins {
bias-pull-up;
input-disable;
};

&gpio79_pins {
bias-disable;
input-disable;
};

&gpio80_pins {
bias-pull-up;
input-disable;
};

&gpio82_pins {
bias-pull-up;
input-disable;
};

&gpio84_pins {
bias-disable;
input-disable;
};

&gpio85_pins {
bias-pull-up;
input-disable;
};

&gpio94_pins {
bias-disable;
input-disable;
};

&gpio106_pins {
bias-disable;
input-disable;
};

&gpio111_pins {
bias-disable;
input-disable;
};

&i2c0 {
status = "okay";
};

&i2c1 {
status = "okay";
};

&i2c3 {
status = "okay";
};

&i2c5 {
status = "okay";
};

&aon_i2c0 {
status = "okay";

eeprom@50 {
compatible = "atmel,24c02";
reg = <0x50>;
};
};

&aon_i2c1 {
status = "okay";

pac1934@10 {
compatible = "microchip,pac1934";
reg = <0x10>;
#address-cells = <1>;
#size-cells = <0>;

channel@1 {
reg = <0x1>;
shunt-resistor-micro-ohms = <1000>;
label = "VDD_SOM";
};

channel@2 {
reg = <0x2>;
shunt-resistor-micro-ohms = <1000>;
label = "VDD_SOC";
};

channel@3 {
reg = <0x3>;
shunt-resistor-micro-ohms = <1000>;
label = "VDD_CPU";
};

channel@4 {
reg = <0x4>;
shunt-resistor-micro-ohms = <1000>;
label = "VDD_LPDDR";
};
};

ina226@44 {
compatible = "ti,ina226";
reg = <0x44>;
#io-channel-cells = <1>;
label = "sys_power";
shunt-resistor = <1000>;
};
};

&pinctrl {
vrgmii-supply = <&vcc_1v8>;
};

&sdhci_emmc {
eswin,drive-impedance-ohms = <50>;
mmc-hs400-1_8v;
no-sd;
no-sdio;
non-removable;
status = "okay";
};

&sdio0 {
eswin,drive-impedance-ohms = <33>;
no-mmc;
no-sdio;
status = "okay";
};

&sdio1 {
eswin,drive-impedance-ohms = <33>;
no-mmc;
no-sd;
non-removable;
status = "okay";
};

&gmac0 {
phy-handle = <&gmac0_phy0>;
phy-mode = "rgmii-id";
pinctrl-names = "default";
pinctrl-0 = <&gpio106_pins>;
rx-internal-delay-ps = <20>;
tx-internal-delay-ps = <100>;
status = "okay";
};

&gmac0_mdio {
gmac0_phy0: ethernet-phy@0 {
compatible = "ethernet-phy-id001c.c916";
reg = <0>;
reset-gpios = <&gpioD 10 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <80000>;
};
};

&gmac1 {
phy-handle = <&gmac1_phy0>;
phy-mode = "rgmii-rxid";
pinctrl-names = "default";
pinctrl-0 = <&gpio111_pins>;
rx-internal-delay-ps = <200>;
tx-internal-delay-ps = <200>;
status = "okay";
};

&gmac1_mdio {
gmac1_phy0: ethernet-phy@0 {
compatible = "ethernet-phy-id001c.c916";
reg = <0>;
reset-gpios = <&gpioD 15 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <80000>;
};
};

&pcie {
status = "okay";
};

&sata {
status = "okay";
};

&uart0 {
Expand All @@ -27,3 +300,11 @@
&uart2 {
status = "okay";
};

&usb0 {
status = "okay";
};

&usb1 {
status = "okay";
};
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