ARM: dts: ast2500: Add SGPIO to device tree
Add SGPIO DTS node and enable it for AST2500 EVB.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
diff --git a/arch/arm/dts/ast2500-evb.dts b/arch/arm/dts/ast2500-evb.dts
index d481ead..9a5037d 100644
--- a/arch/arm/dts/ast2500-evb.dts
+++ b/arch/arm/dts/ast2500-evb.dts
@@ -129,3 +129,8 @@
reg = <0x4d>;
};
};
+
+&sgpio {
+ status = "okay";
+ ngpios = <80>;
+};
diff --git a/arch/arm/dts/ast2500.dtsi b/arch/arm/dts/ast2500.dtsi
index 320d2e5..d677705 100644
--- a/arch/arm/dts/ast2500.dtsi
+++ b/arch/arm/dts/ast2500.dtsi
@@ -255,6 +255,21 @@
interrupt-controller;
};
+ sgpio: sgpio@1e780200 {
+ compatible = "aspeed,ast2500-sgpio";
+ reg = <0x1e780200 0x100>;
+ interrupts = <40>;
+ clocks = <&scu ASPEED_CLK_APB>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ bus-frequency = <1000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sgpm_default>;
+ status = "disabled";
+ };
+
timer: timer@1e782000 {
/* This timer is a Faraday FTTMR010 derivative */
compatible = "aspeed,ast2400-timer";
@@ -1445,4 +1460,9 @@
function = "WDTRST2";
groups = "WDTRST2";
};
+
+ pinctrl_sgpm_default: sgpm_default {
+ function = "SGPM";
+ groups = "SGPM";
+ };
};