sparx5: Add IRQ muxing UIO driver [LOCAL]

microchip-ung · Mar 15, 2021 · 5c575d7626ed53e4ccf148d834dde04b91c29b77 · 5c575d7
1 parent 5be2527
commit 5c575d7626ed53e4ccf148d834dde04b91c29b77
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diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi
@@ -473,5 +473,18 @@
 			resets = <&reset 0>;
 			reset-names = "switch";
 		};
+
+		uio0: vcoreiii_switch@600000000 {
+			compatible = "mscc,uio_fireant_irqmux";
+			reg = <6 0x00000000 0x12000000>;
+			reg-names = "origin1_2";
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "master",
+				     "slave-0x10001", "slave-0x10002",
+				     "slave-0x20000";
+		};
 	};
 };
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
@@ -165,4 +165,12 @@ config UIO_HV_GENERIC
 	  to network and storage devices from userspace.
 
 	  If you compile this as a module, it will be called uio_hv_generic.
+
+config UIO_FIREANT_IRQMUX
+	tristate "Generic driver for Fireant SoC"
+	depends on OF
+	help
+	  Driver for acessing Fireant Switch and IRQs. It provides
+	  switch access from userspace.
+
 endif
diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile
@@ -11,3 +11,4 @@ obj-$(CONFIG_UIO_PRUSS)         += uio_pruss.o
 obj-$(CONFIG_UIO_MF624)         += uio_mf624.o
 obj-$(CONFIG_UIO_FSL_ELBC_GPCM)	+= uio_fsl_elbc_gpcm.o
 obj-$(CONFIG_UIO_HV_GENERIC)	+= uio_hv_generic.o
+obj-$(CONFIG_UIO_FIREANT_IRQMUX) += uio_fireant_irqmux.o