mips: ocelot: DT: Enable use of serial gpio
This enables the use of the MSCC serial GPIO driver on the MSCC
VCoreIII 'ocelot' SOC, and add gpio-leds nodes to the pcb123 and
pcb120 DT.
Signed-off-by: Lars Povlsen <lars.povlsen@microsemi.com>
diff --git a/arch/mips/dts/mscc,ocelot.dtsi b/arch/mips/dts/mscc,ocelot.dtsi
index 87b4736..2592003 100644
--- a/arch/mips/dts/mscc,ocelot.dtsi
+++ b/arch/mips/dts/mscc,ocelot.dtsi
@@ -37,6 +37,12 @@
clock-frequency = <500000000>;
};
+ sys_clk: sys-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
+
ahb_clk: ahb-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -118,6 +124,11 @@
#gpio-cells = <2>;
gpio-ranges = <&gpio 0 0 22>;
+ sgpio_pins: sgpio-pins {
+ pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3";
+ function = "sg0";
+ };
+
uart_pins: uart-pins {
pins = "GPIO_6", "GPIO_7";
function = "uart";
@@ -148,5 +159,17 @@
function = "si";
};
};
+
+ sgpio: gpio@10700f8 {
+ compatible = "mscc,ocelot-sgpio";
+ status = "disabled";
+ clocks = <&sys_clk>;
+ pinctrl-0 = <&sgpio_pins>;
+ pinctrl-names = "default";
+ reg = <0x10700f8 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&sgpio 0 0 64>;
+ };
};
};