realtek: add dtsi for RTL930X SoCs

Add a default dtsi to support RTL930X SoCs.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>

diff --git a/target/linux/realtek/dts/rtl930x.dtsi b/target/linux/realtek/dts/rtl930x.dtsi
new file mode 100644 (file)
index 0000000..5d13fc3
--- /dev/null
+++ b/target/linux/realtek/dts/rtl930x.dtsi
@@ -0,0 +1,182 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+
+#define STRINGIZE(s) #s
+#define LAN_LABEL(p, s) STRINGIZE(p ## s)
+#define SWITCH_PORT_LABEL(n) LAN_LABEL(lan, n)
+
+#define INTERNAL_PHY(n) \
+       phy##n: ethernet-phy@##n { \
+               reg = <##n>; \
+               compatible = "ethernet-phy-ieee802.3-c22"; \
+               phy-is-integrated; \
+       };
+
+#define EXTERNAL_PHY(n) \
+       phy##n: ethernet-phy@##n { \
+               reg = <##n>; \
+               compatible = "ethernet-phy-ieee802.3-c22"; \
+       };
+
+#define EXTERNAL_SFP_PHY(n) \
+       phy##n: ethernet-phy@##n { \
+               compatible = "ethernet-phy-ieee802.3-c22"; \
+               sfp; \
+               media = "fibre"; \
+               reg = <##n>; \
+       };
+
+#define SWITCH_PORT(n, s, m) \
+       port@##n { \
+               reg = <##n>; \
+               label = SWITCH_PORT_LABEL(s) ; \
+               phy-handle = <&phy##n>; \
+               phy-mode = #m ; \
+       };
+
+#define SWITCH_SFP_PORT(n, s, m) \
+       port@##n { \
+               reg = <##n>; \
+               label = SWITCH_PORT_LABEL(s) ; \
+               phy-handle = <&phy##n>; \
+               phy-mode = #m ; \
+               fixed-link { \
+                       speed = <1000>; \
+                       full-duplex; \
+               }; \
+       };
+
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       compatible = "realtek,rtl838x-soc";
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               frequency = <800000000>;
+
+               cpu@0 {
+                       compatible = "mips,mips34Kc";
+                       reg = <0>;
+               };
+       };
+
+       memory@0 {
+               device_type = "memory";
+               reg = <0x0 0x8000000>;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,38400";
+       };
+
+       cpuintc: cpuintc {
+               #address-cells = <0>;
+               #interrupt-cells = <1>;
+               interrupt-controller;
+               compatible = "mti,cpu-interrupt-controller";
+       };
+
+       intc: rtlintc {
+               #address-cells = <0>;
+               #interrupt-cells = <1>;
+               interrupt-controller;
+               compatible = "realtek,rt9300-intc";
+               reg = <0xb8003000 0x20>;
+       };
+
+       osc: oscillator {
+               compatible = "fixed-clock";
+               #clock-cells = <1>;
+               clock-frequency  = <175000000>;
+               clock-output-names = "osc";
+       };
+
+       timer: timer@b8003200 {
+               compatible = "realtek,rtl9300-timer";
+               reg = <0xb8003200 0x60>;
+               interrupt-parent = <&intc>;
+               interrupts = <8>;
+               interrupt-names = "ostimer";
+               clocks = <&osc 0>;
+       };
+
+       spi0: spi@b8001200 {
+               status = "okay";
+
+               compatible = "realtek,rtl838x-nor";
+               reg = <0xb8001200 0x100>;
+
+               #address-cells = <1>;
+               #size-cells = <0>;
+       };
+
+       uart0: uart@b8002000 {
+               compatible = "ns16550a";
+               reg = <0xb8002000 0x100>;
+
+               clock-frequency = <175000000>;
+
+               interrupt-parent = <&intc>;
+               interrupts = <30>;
+
+               reg-io-width = <1>;
+               reg-shift = <2>;
+               fifo-size = <1>;
+               no-loopback-test;
+
+               status = "okay";
+       };
+
+       uart1: uart@b8002100 {
+               compatible = "ns16550a";
+               reg = <0xb8002100 0x100>;
+
+               clock-frequency = <175000000>;
+
+               interrupt-parent = <&intc>;
+               interrupts = <31>;
+
+               reg-io-width = <1>;
+               reg-shift = <2>;
+               fifo-size = <1>;
+               no-loopback-test;
+
+               status = "okay";
+       };
+
+       gpio0: gpio-controller@b8003500 {
+               compatible = "realtek,rtl838x-gpio";
+               reg = <0xb8003500 0x20>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               interrupt-parent = <&intc>;
+               interrupts = <31>;
+       };
+
+       ethernet0: ethernet@bb00a300 {
+               status = "okay";
+               compatible = "realtek,rtl838x-eth";
+               reg = <0xbb00a300 0x100>;
+               interrupt-parent = <&intc>;
+               interrupts = <24>;
+               #interrupt-cells = <1>;
+               phy-mode = "internal";
+               fixed-link {
+                       speed = <1000>;
+                       full-duplex;
+               };
+       };
+
+       switch0: switch@bb000000 {
+               status = "okay";
+
+               interrupt-parent = <&intc>;
+               interrupts = <20>;
+
+               compatible = "realtek,rtl83xx-switch";
+       };
+};