ramips: Add i2c support for mt7620n

[openwrt/staging/wigyori.git] / target / linux / ramips / dts / rt2880.dtsi

diff --git a/target/linux/ramips/dts/rt2880.dtsi b/target/linux/ramips/dts/rt2880.dtsi
index 646cb6a99143abdc340e0092a2b2aaa22888cefa..2d6230c7ad2081b788c47c5a7259a5503ce402db 100644 (file)
--- a/target/linux/ramips/dts/rt2880.dtsi
+++ b/target/linux/ramips/dts/rt2880.dtsi
@@ -13,6 +13,10 @@
                bootargs = "console=ttyS0,57600";
        };
 
+       aliases {
+               serial0 = &uartlite;
+       };
+
        cpuintc: cpuintc@0 {
                #address-cells = <0>;
                #interrupt-cells = <1>;
@@ -20,20 +24,20 @@
                compatible = "mti,cpu-interrupt-controller";
        };
 
-       palmbus@300000 {
+       palmbus: palmbus@300000 {
                compatible = "palmbus";
                reg = <0x300000 0x200000>;
-                ranges = <0x0 0x300000 0x1FFFFF>;
+               ranges = <0x0 0x300000 0x1FFFFF>;
 
                #address-cells = <1>;
                #size-cells = <1>;
 
-               sysc@0 {
+               sysc: sysc@0 {
                        compatible = "ralink,rt2880-sysc";
                        reg = <0x000 0x100>;
                };
 
-               timer@100 {
+               timer: timer@100 {
                        compatible = "ralink,rt2880-timer";
                        reg = <0x100 0x20>;
 
@@ -43,7 +47,7 @@
                        status = "disabled";
                };
 
-               watchdog@120 {
+               watchdog: watchdog@120 {
                        compatible = "ralink,rt2880-wdt";
                        reg = <0x120 0x10>;
                };
@@ -59,7 +63,7 @@
                        interrupts = <2>;
                };
 
-               memc@300 {
+               memc: memc@300 {
                        compatible = "ralink,rt2880-memc";
                        reg = <0x300 0x100>;
                };
@@ -110,7 +114,23 @@
                        status = "disabled";
                };
 
-               uartlite@c00 {
+               i2c: i2c@900 {
+                       compatible = "ralink,rt2880-i2c";
+                       reg = <0x900 0x100>;
+
+                       resets = <&rstctrl 9>;
+                       reset-names = "i2c";
+
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       status = "disabled";
+
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c_pins>;
+               };
+
+               uartlite: uartlite@c00 {
                        compatible = "ralink,rt2880-uart", "ns16550a";
                        reg = <0xc00 0x100>;
 
@@ -121,7 +141,7 @@
                };
        };
 
-       pinctrl {
+       pinctrl: pinctrl {
                compatible = "ralink,rt2880-pinmux";
 
                pinctrl-names = "default";
@@ -134,6 +154,13 @@
                        };
                };
 
+               i2c_pins: i2c {
+                       i2c {
+                               ralink,group = "i2c";
+                               ralink,function = "i2c";
+                       };
+               };
+
                spi_pins: spi {
                        spi {
                                ralink,group = "spi";
@@ -149,20 +176,41 @@
                };
        };
 
-       ethernet@400000 {
+       rstctrl: rstctrl {
+               compatible = "ralink,rt2880-reset";
+               #reset-cells = <1>;
+       };
+
+       clkctrl: clkctrl {
+               compatible = "ralink,rt2880-clock";
+               #clock-cells = <1>;
+       };
+
+       pci: pci@440000 {
+               compatible = "ralink,rt288x-pci";
+               reg = <0x00440000 0x20000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+               status = "disabled";
+       };
+
+       ethernet: ethernet@400000 {
                compatible = "ralink,rt2880-eth";
-               reg = <0x00400000 10000>;
+               reg = <0x00400000 0x10000>;
 
                #address-cells = <1>;
                #size-cells = <0>;
 
+               resets = <&rstctrl 18>;
+               reset-names = "fe";
+
                interrupt-parent = <&cpuintc>;
                interrupts = <5>;
 
                status = "disabled";
 
                port@0 {
-                       compatible = "ralink,rt2880-port", "ralink,eth-port";
+                       compatible = "ralink,rt2880-port", "mediatek,eth-port";
                        reg = <0>;
                };
 
@@ -174,14 +222,13 @@
                };
        };
 
-       wmac@480000 {
+       wmac: wmac@480000 {
                compatible = "ralink,rt2880-wmac";
-               reg = <0x480000 40000>;
+               reg = <0x480000 0x40000>;
 
                interrupt-parent = <&cpuintc>;
                interrupts = <6>;
 
                ralink,eeprom = "soc_wmac.eeprom";
        };
-
 };