[v4,8/8] arm64: dts: realtek: rtd139x: Add irq muxes and UART interrupts
diff mbox series

Message ID 20191119021917.15917-9-afaerber@suse.de
State New
Headers show
Series
  • ARM: Realtek RTD1195/RTD1295/RTD1395 IRQ mux
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Commit Message

Andreas Färber Nov. 19, 2019, 2:19 a.m. UTC
Add iso and misc IRQ mux DT nodes for Realtek RTD1395 SoC.

Update the UART DT nodes with interrupts from these muxes,
so that UART0 can be used without earlycon.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 v4: New
 
 arch/arm64/boot/dts/realtek/rtd139x.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/realtek/rtd139x.dtsi b/arch/arm64/boot/dts/realtek/rtd139x.dtsi
index 706da12f9ea3..f53cb8a5083b 100644
--- a/arch/arm64/boot/dts/realtek/rtd139x.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd139x.dtsi
@@ -84,6 +84,14 @@ 
 				#reset-cells = <1>;
 			};
 
+			iso_irq_mux: interrupt-controller@7000 {
+				compatible = "realtek,rtd1395-iso-irq-mux";
+				reg = <0x7000 0x100>;
+				interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
 			iso_reset: reset-controller@7088 {
 				compatible = "snps,dw-low-reset";
 				reg = <0x7088 0x4>;
@@ -103,6 +111,8 @@ 
 				reg-io-width = <4>;
 				clock-frequency = <27000000>;
 				resets = <&iso_reset RTD1295_ISO_RSTN_UR0>;
+				interrupt-parent = <&iso_irq_mux>;
+				interrupts = <2>;
 				status = "disabled";
 			};
 
@@ -111,6 +121,14 @@ 
 				reg = <0x1a200 0x8>;
 			};
 
+			misc_irq_mux: interrupt-controller@1b000 {
+				compatible = "realtek,rtd1395-misc-irq-mux";
+				reg = <0x1b000 0x100>;
+				interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
 			uart1: serial@1b200 {
 				compatible = "snps,dw-apb-uart";
 				reg = <0x1b200 0x100>;
@@ -118,6 +136,8 @@ 
 				reg-io-width = <4>;
 				clock-frequency = <432000000>;
 				resets = <&reset2 RTD1295_RSTN_UR1>;
+				interrupt-parent = <&misc_irq_mux>;
+				interrupts = <3>;
 				status = "disabled";
 			};
 
@@ -128,6 +148,8 @@ 
 				reg-io-width = <4>;
 				clock-frequency = <432000000>;
 				resets = <&reset2 RTD1295_RSTN_UR2>;
+				interrupt-parent = <&misc_irq_mux>;
+				interrupts = <8>;
 				status = "disabled";
 			};
 		};