linux-kernel - [PATCH 4/4] ARM: dts: enable PCIe for Broadcom Cygnus

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Message-ID: <1418169871-19232-5-git-send-email-rjui@broadcom.com>
Date:	Tue, 9 Dec 2014 16:04:31 -0800
From:	Ray Jui <rjui@...adcom.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	"Ian Campbell" <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Russell King <linux@....linux.org.uk>
CC:	Scott Branden <sbranden@...adcom.com>, <linux-pci@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<bcm-kernel-feedback-list@...adcom.com>,
	<devicetree@...r.kernel.org>, "Ray Jui" <rjui@...adcom.com>
Subject: [PATCH 4/4] ARM: dts: enable PCIe for Broadcom Cygnus

Add PCIe device nodes and its properties in bcm-cygnus.dtsi but keep it
disabled there. Only enable it in bcm958300k.dts because PCIe interfaces
are only populated on that board

Signed-off-by: Ray Jui <rjui@...adcom.com>
Reviewed-by: Scott Branden <sbranden@...adcom.com>
---
 arch/arm/boot/dts/bcm-cygnus.dtsi |   43 +++++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/bcm958300k.dts  |    8 +++++++
 2 files changed, 51 insertions(+)

diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi
index 5126f9e..669bb3b 100644
--- a/arch/arm/boot/dts/bcm-cygnus.dtsi
+++ b/arch/arm/boot/dts/bcm-cygnus.dtsi
@@ -70,6 +70,49 @@
 		};
 	};
 
+	pcie0: pcie@...12000 {
+		compatible = "brcm,iproc-pcie";
+		reg = <0x18012000 0x1000>,
+			<0x18002000 0x1000>;
+		interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
+			     <GIC_SPI 97 IRQ_TYPE_NONE>,
+			     <GIC_SPI 98 IRQ_TYPE_NONE>,
+			     <GIC_SPI 99 IRQ_TYPE_NONE>,
+			     <GIC_SPI 100 IRQ_TYPE_NONE>,
+			     <GIC_SPI 101 IRQ_TYPE_NONE>;
+		bus-range = <0x00 0xFF>;
+
+		#address-cells = <3>;
+		#size-cells = <2>;
+		device_type = "pci";
+		ranges = <0x81000000 0 0	  0x28000000 0 0x00010000
+			  0x82000000 0 0x20000000 0x20000000 0 0x04000000>;
+		phy-addr = <5>;
+		status = "disabled";
+	};
+
+	pcie1: pcie@...13000 {
+		compatible = "brcm,iproc-pcie";
+		reg = <0x18013000 0x1000>,
+			<0x18002000 0x1000>;
+
+		interrupts = <GIC_SPI 102 IRQ_TYPE_NONE>,
+			     <GIC_SPI 103 IRQ_TYPE_NONE>,
+			     <GIC_SPI 104 IRQ_TYPE_NONE>,
+			     <GIC_SPI 105 IRQ_TYPE_NONE>,
+			     <GIC_SPI 106 IRQ_TYPE_NONE>,
+			     <GIC_SPI 107 IRQ_TYPE_NONE>;
+		bus-range = <0x00 0xFF>;
+
+		#address-cells = <3>;
+		#size-cells = <2>;
+		device_type = "pci";
+		ranges = <0x81000000 0 0	  0x48000000 0 0x00010000
+			  0x82000000 0 0x40000000 0x40000000 0 0x04000000>;
+		phy-addr = <6>;
+		status = "disabled";
+	};
+
 	uart0: serial@...20000 {
 		compatible = "snps,dw-apb-uart";
 		reg = <0x18020000 0x100>;
diff --git a/arch/arm/boot/dts/bcm958300k.dts b/arch/arm/boot/dts/bcm958300k.dts
index f1bb36f..c9eb856 100644
--- a/arch/arm/boot/dts/bcm958300k.dts
+++ b/arch/arm/boot/dts/bcm958300k.dts
@@ -47,6 +47,14 @@
 		bootargs = "console=ttyS0,115200";
 	};
 
+	pcie0: pcie@...12000 {
+		status = "okay";
+	};
+
+	pcie1: pcie@...13000 {
+		status = "okay";
+	};
+
 	uart3: serial@...23000 {
 		status = "okay";
 	};
-- 
1.7.9.5

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