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// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "jz4780.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>
#include <dt-bindings/gpio/gpio.h>
/ {
compatible = "img,ci20", "ingenic,jz4780";
aliases {
serial0 = &uart0;
serial1 = &uart1;
serial3 = &uart3;
serial4 = &uart4;
};
chosen {
stdout-path = &uart4;
};
memory {
device_type = "memory";
reg = <0x0 0x10000000
0x30000000 0x30000000>;
};
eth0_power: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "eth0_power";
gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
enable-active-high;
};
};
&ext {
clock-frequency = <48000000>;
};
&mmc0 {
status = "okay";
bus-width = <4>;
max-frequency = <50000000>;
pinctrl-names = "default";
pinctrl-0 = <&pins_mmc0>;
cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
};
&mmc1 {
status = "okay";
bus-width = <4>;
max-frequency = <50000000>;
pinctrl-names = "default";
pinctrl-0 = <&pins_mmc1>;
};
&uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pins_uart0>;
};
&uart1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pins_uart1>;
};
&uart3 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pins_uart3>;
};
&uart4 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pins_uart4>;
};
&nemc {
status = "okay";
nandc: nand-controller@1 {
compatible = "ingenic,jz4780-nand";
reg = <1 0 0x1000000>;
#address-cells = <1>;
#size-cells = <0>;
ingenic,bch-controller = <&bch>;
ingenic,nemc-tAS = <10>;
ingenic,nemc-tAH = <5>;
ingenic,nemc-tBP = <10>;
ingenic,nemc-tAW = <15>;
ingenic,nemc-tSTRV = <100>;
/*
* Only CLE/ALE are needed for the devices that are connected, rather
* than the full address line set.
*/
pinctrl-names = "default";
pinctrl-0 = <&pins_nemc>;
nand@1 {
reg = <1>;
nand-ecc-step-size = <1024>;
nand-ecc-strength = <24>;
nand-ecc-mode = "hw";
nand-on-flash-bbt;
pinctrl-names = "default";
pinctrl-0 = <&pins_nemc_cs1>;
partitions {
compatible = "fixed-partitions";
#address-cells = <2>;
#size-cells = <2>;
partition@0 {
label = "u-boot-spl";
reg = <0x0 0x0 0x0 0x800000>;
};
partition@800000 {
label = "u-boot";
reg = <0x0 0x800000 0x0 0x200000>;
};
partition@a00000 {
label = "u-boot-env";
reg = <0x0 0xa00000 0x0 0x200000>;
};
partition@c00000 {
label = "boot";
reg = <0x0 0xc00000 0x0 0x4000000>;
};
partition@4c00000 {
label = "system";
reg = <0x0 0x4c00000 0x1 0xfb400000>;
};
};
};
};
dm9000@6 {
compatible = "davicom,dm9000";
davicom,no-eeprom;
pinctrl-names = "default";
pinctrl-0 = <&pins_nemc_cs6>;
reg = <6 0 1 /* addr */
6 2 1>; /* data */
ingenic,nemc-tAS = <15>;
ingenic,nemc-tAH = <10>;
ingenic,nemc-tBP = <20>;
ingenic,nemc-tAW = <50>;
ingenic,nemc-tSTRV = <100>;
reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
vcc-supply = <ð0_power>;
interrupt-parent = <&gpe>;
interrupts = <19 4>;
};
};
&bch {
status = "okay";
};
&pinctrl {
pins_uart0: uart0 {
function = "uart0";
groups = "uart0-data";
bias-disable;
};
pins_uart1: uart1 {
function = "uart1";
groups = "uart1-data";
bias-disable;
};
pins_uart3: uart3 {
function = "uart3";
groups = "uart3-data", "uart3-hwflow";
bias-disable;
};
pins_uart4: uart4 {
function = "uart4";
groups = "uart4-data";
bias-disable;
};
pins_nemc: nemc {
function = "nemc";
groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
bias-disable;
};
pins_nemc_cs1: nemc-cs1 {
function = "nemc-cs1";
groups = "nemc-cs1";
bias-disable;
};
pins_nemc_cs6: nemc-cs6 {
function = "nemc-cs6";
groups = "nemc-cs6";
bias-disable;
};
pins_mmc0: mmc0 {
function = "mmc0";
groups = "mmc0-1bit-e", "mmc0-4bit-e";
bias-disable;
};
pins_mmc1: mmc1 {
function = "mmc1";
groups = "mmc1-1bit-d", "mmc1-4bit-d";
bias-disable;
};
};
&tcu {
/* 3 MHz for the system timer and clocksource */
assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
assigned-clock-rates = <3000000>, <3000000>;
};
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