openwrt/target/linux/ramips/dts/mt7620a.dtsi
Shiji Yang de0c143742
Some checks are pending
Build Kernel / Build all affected Kernels (push) Waiting to run
Build all core packages / Build all core packages for selected target (push) Waiting to run
ramips: mt762{0,8}: reduce default MMC clock to 24 MHz
The upstream mtk-sd driver did not perform specific timing
optimization for MT762x series SoC, hence the SDHC peripheral
of some boards cannot run at too high frequency. Reduce the
maximum clock frequency to fix the mmc read/write error.

Closes: https://github.com/openwrt/openwrt/issues/17364
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
Link: https://github.com/openwrt/openwrt/pull/17375
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2024-12-26 15:23:49 +01:00

649 lines
10 KiB
Plaintext

/dts-v1/;
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "ralink,mt7620a-soc";
aliases {
spi0 = &spi0;
spi1 = &spi1;
serial0 = &uartlite;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "mips,mips24KEc";
reg = <0>;
};
};
chosen {
bootargs = "console=ttyS0,57600";
};
cpuintc: cpuintc {
#address-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
compatible = "mti,cpu-interrupt-controller";
};
mmc_reg_1v8: regulator-1v8 {
compatible = "regulator-fixed";
enable-active-high;
regulator-always-on;
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <1800000>;
regulator-name = "mmc_io";
};
mmc_reg_3v3: regulator-3v3 {
compatible = "regulator-fixed";
enable-active-high;
regulator-always-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "mmc_power";
};
palmbus: palmbus@10000000 {
compatible = "palmbus";
reg = <0x10000000 0x200000>;
ranges = <0x0 0x10000000 0x1FFFFF>;
#address-cells = <1>;
#size-cells = <1>;
sysc: syscon@0 {
compatible = "ralink,mt7620-sysc", "syscon";
reg = <0x0 0x100>;
#clock-cells = <1>;
#reset-cells = <1>;
};
timer: timer@100 {
compatible = "ralink,rt2880-timer";
reg = <0x100 0x20>;
clocks = <&sysc 7>;
interrupt-parent = <&intc>;
interrupts = <1>;
};
watchdog: watchdog@120 {
compatible = "ralink,rt2880-wdt";
reg = <0x120 0x10>;
clocks = <&sysc 8>;
resets = <&sysc 8>;
reset-names = "wdt";
interrupt-parent = <&intc>;
interrupts = <1>;
};
intc: intc@200 {
compatible = "ralink,rt2880-intc";
reg = <0x200 0x100>;
interrupt-controller;
#interrupt-cells = <1>;
interrupt-parent = <&cpuintc>;
interrupts = <2>;
};
memc: memc@300 {
compatible = "ralink,mt7620a-memc", "ralink,rt3050-memc";
reg = <0x300 0x100>;
interrupt-parent = <&intc>;
interrupts = <3>;
};
uart: uart@500 {
compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
reg = <0x500 0x100>;
clocks = <&sysc 9>;
resets = <&sysc 12>;
interrupt-parent = <&intc>;
interrupts = <5>;
reg-shift = <2>;
status = "disabled";
};
gpio0: gpio@600 {
compatible = "ralink,rt2880-gpio";
reg = <0x600 0x34>;
interrupt-parent = <&intc>;
interrupts = <6>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <24>;
ralink,register-map = [ 00 04 08 0c
20 24 28 2c
30 34 ];
};
gpio1: gpio@638 {
compatible = "ralink,rt2880-gpio";
reg = <0x638 0x24>;
interrupt-parent = <&intc>;
interrupts = <6>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <16>;
ralink,register-map = [ 00 04 08 0c
10 14 18 1c
20 24 ];
status = "disabled";
};
gpio2: gpio@660 {
compatible = "ralink,rt2880-gpio";
reg = <0x660 0x24>;
interrupt-parent = <&intc>;
interrupts = <6>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <32>;
ralink,register-map = [ 00 04 08 0c
10 14 18 1c
20 24 ];
status = "disabled";
};
gpio3: gpio@688 {
compatible = "ralink,rt2880-gpio";
reg = <0x688 0x24>;
interrupt-parent = <&intc>;
interrupts = <6>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <1>;
ralink,register-map = [ 00 04 08 0c
10 14 18 1c
20 24 ];
status = "disabled";
};
i2c: i2c@900 {
compatible = "ralink,rt2880-i2c";
reg = <0x900 0x100>;
clocks = <&sysc 10>;
resets = <&sysc 16>;
reset-names = "i2c";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&i2c_pins>;
};
i2s: i2s@a00 {
compatible = "mediatek,mt7620-i2s";
reg = <0xa00 0x100>;
clocks = <&sysc 11>;
resets = <&sysc 17>;
reset-names = "i2s";
interrupt-parent = <&intc>;
interrupts = <10>;
txdma-req = <2>;
rxdma-req = <3>;
dmas = <&gdma 4>,
<&gdma 6>;
dma-names = "tx", "rx";
status = "disabled";
};
spi0: spi@b00 {
compatible = "ralink,rt2880-spi";
reg = <0xb00 0x40>;
clocks = <&sysc 12>;
resets = <&sysc 18>;
reset-names = "spi";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&spi_pins>;
};
spi1: spi@b40 {
compatible = "ralink,rt2880-spi";
reg = <0xb40 0x60>;
clocks = <&sysc 13>;
resets = <&sysc 18>;
reset-names = "spi";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = <&spi_cs1>;
};
uartlite: uartlite@c00 {
compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
reg = <0xc00 0x100>;
clocks = <&sysc 14>;
resets = <&sysc 19>;
interrupt-parent = <&intc>;
interrupts = <12>;
reg-shift = <2>;
pinctrl-names = "default";
pinctrl-0 = <&uartlite_pins>;
};
systick: systick@d00 {
compatible = "ralink,mt7620a-systick", "ralink,cevt-systick";
reg = <0xd00 0x10>;
interrupt-parent = <&cpuintc>;
interrupts = <7>;
};
pcm: pcm@2000 {
compatible = "ralink,mt7620a-pcm";
reg = <0x2000 0x800>;
resets = <&sysc 11>;
reset-names = "pcm";
interrupt-parent = <&intc>;
interrupts = <4>;
status = "disabled";
};
gdma: gdma@2800 {
compatible = "ralink,rt3883-gdma";
reg = <0x2800 0x800>;
resets = <&sysc 14>;
reset-names = "dma";
interrupt-parent = <&intc>;
interrupts = <7>;
#dma-cells = <1>;
#dma-channels = <16>;
#dma-requests = <16>;
status = "disabled";
};
};
pinctrl: pinctrl {
compatible = "ralink,rt2880-pinmux";
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
state_default: pinctrl0 {
};
pcm_i2s_pins: pcm_i2s {
pcm_i2s {
groups = "uartf";
function = "pcm i2s";
};
};
uartf_gpio_pins: uartf_gpio {
uartf_gpio {
groups = "uartf";
function = "gpio uartf";
};
};
gpio_i2s_pins: gpio_i2s {
gpio_i2s {
groups = "uartf";
function = "gpio i2s";
};
};
spi_pins: spi_pins {
spi_pins {
groups = "spi";
function = "spi";
};
};
spi_cs1: spi1 {
spi1 {
groups = "spi refclk";
function = "spi refclk";
};
};
i2c_pins: i2c_pins {
i2c_pins {
groups = "i2c";
function = "i2c";
};
};
uartlite_pins: uartlite {
uart {
groups = "uartlite";
function = "uartlite";
};
};
mdio_pins: mdio {
mdio {
groups = "mdio";
function = "mdio";
};
};
mdio_refclk_pins: mdio_refclk {
mdio_refclk {
groups = "mdio";
function = "refclk";
};
};
ephy_pins: ephy {
ephy {
groups = "ephy";
function = "ephy";
};
};
wled_pins: wled {
wled {
groups = "wled";
function = "wled";
};
};
rgmii1_pins: rgmii1 {
rgmii1 {
groups = "rgmii1";
function = "rgmii1";
};
};
rgmii2_pins: rgmii2 {
rgmii2 {
groups = "rgmii2";
function = "rgmii2";
};
};
pcie_pins: pcie {
pcie {
groups = "pcie";
function = "pcie rst";
};
};
pa_pins: pa {
pa {
groups = "pa";
function = "pa";
};
};
pa_gpio_pins: pa_gpio {
pa {
groups = "pa";
function = "gpio";
};
};
sdhci_pins: sdhci {
sdhci {
groups = "nd_sd";
function = "sd";
};
};
};
usbphy: usbphy {
compatible = "mediatek,mt7620-usbphy";
#phy-cells = <0>;
ralink,sysctl = <&sysc>;
/* usb phy reset is only controled by RSTCTRL bit 25 */
resets = <&sysc 25>, <&sysc 22>;
reset-names = "host", "device";
};
ethernet: ethernet@10100000 {
compatible = "mediatek,mt7620-eth";
reg = <0x10100000 0x10000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = <&cpuintc>;
interrupts = <5>;
resets = <&sysc 21>, <&sysc 23>;
reset-names = "fe", "esw";
mediatek,switch = <&gsw>;
port@4 {
compatible = "mediatek,eth-port";
reg = <4>;
status = "disabled";
};
port@5 {
compatible = "mediatek,eth-port";
reg = <5>;
status = "disabled";
};
mdio-bus {
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
};
gsw: gsw@10110000 {
compatible = "mediatek,mt7620-gsw";
reg = <0x10110000 0x8000>;
resets = <&sysc 24>;
reset-names = "ephy";
interrupt-parent = <&intc>;
interrupts = <17>;
};
sdhci: mmc@10130000 {
compatible = "mediatek,mt7620-mmc", "ralink,mt7620-sdhci";
reg = <0x10130000 0x4000>;
bus-width = <4>;
cap-mmc-highspeed;
cap-sd-highspeed;
clocks = <&sysc 15>, <&sysc 15>;
clock-names = "source", "hclk";
disable-wp;
interrupt-parent = <&intc>;
interrupts = <14>;
max-frequency = <24000000>;
pinctrl-names = "default", "state_uhs";
pinctrl-0 = <&sdhci_pins>;
pinctrl-1 = <&sdhci_pins>;
resets = <&sysc 30>;
reset-names = "hrst";
vmmc-supply = <&mmc_reg_3v3>;
vqmmc-supply = <&mmc_reg_1v8>;
status = "disabled";
};
ehci: ehci@101c0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "generic-ehci";
reg = <0x101c0000 0x1000>;
interrupt-parent = <&intc>;
interrupts = <18>;
phys = <&usbphy>;
phy-names = "usb";
status = "disabled";
ehci_port1: port@1 {
reg = <1>;
#trigger-source-cells = <0>;
};
};
ohci: ohci@101c1000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "generic-ohci";
reg = <0x101c1000 0x1000>;
interrupt-parent = <&intc>;
interrupts = <18>;
phys = <&usbphy>;
phy-names = "usb";
status = "disabled";
ohci_port1: port@1 {
reg = <1>;
#trigger-source-cells = <0>;
};
};
pcie: pcie@10140000 {
compatible = "mediatek,mt7620-pci";
reg = <0x10140000 0x100
0x10142000 0x100>;
#address-cells = <3>;
#size-cells = <2>;
resets = <&sysc 26>;
reset-names = "pcie0";
interrupt-parent = <&cpuintc>;
interrupts = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pcie_pins>;
device_type = "pci";
bus-range = <0 255>;
ranges = <
0x02000000 0 0x00000000 0x20000000 0 0x10000000 /* pci memory */
0x01000000 0 0x00000000 0x10160000 0 0x00010000 /* io space */
>;
status = "disabled";
pcie0: pcie@0,0 {
reg = <0x0000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
ranges;
};
};
wmac: wmac@10180000 {
compatible = "ralink,rt7620-wmac", "ralink,rt2880-wmac";
reg = <0x10180000 0x40000>;
clocks = <&sysc 16>;
interrupt-parent = <&cpuintc>;
interrupts = <6>;
ralink,eeprom = "soc_wmac.eeprom";
};
};