linux-kernel - [PATCH v6 4/6] ARM: dts: r9a06g032: Add internal PCI bridge node

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Date:   Fri, 20 May 2022 11:41:53 +0200
From:   Herve Codina <herve.codina@...tlin.com>
To:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>
Cc:     Rob Herring <robh@...nel.org>, linux-pci@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sergey Shtylyov <s.shtylyov@....ru>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Clement Leger <clement.leger@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Herve Codina <herve.codina@...tlin.com>
Subject: [PATCH v6 4/6] ARM: dts: r9a06g032: Add internal PCI bridge node

Add the device node for the r9a06g032 internal PCI bridge device.

Signed-off-by: Herve Codina <herve.codina@...tlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 arch/arm/boot/dts/r9a06g032.dtsi | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/r9a06g032.dtsi b/arch/arm/boot/dts/r9a06g032.dtsi
index 20286433d3c6..45944f849190 100644
--- a/arch/arm/boot/dts/r9a06g032.dtsi
+++ b/arch/arm/boot/dts/r9a06g032.dtsi
@@ -94,6 +94,35 @@ sysctrl: system-controller@...0c000 {
 			clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext";
 		};
 
+		pci_usb: pci@...30000 {
+			compatible = "renesas,pci-r9a06g032", "renesas,pci-rzn1";
+			device_type = "pci";
+			clocks = <&sysctrl R9A06G032_HCLK_USBH>,
+				 <&sysctrl R9A06G032_HCLK_USBPM>,
+				 <&sysctrl R9A06G032_CLK_PCI_USB>;
+			clock-names = "hclkh", "hclkpm", "pciclk";
+			power-domains = <&sysctrl>;
+			reg = <0x40030000 0xc00>,
+			      <0x40020000 0x1100>;
+			interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+
+			bus-range = <0 0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			#interrupt-cells = <1>;
+			ranges = <0x02000000 0 0x40020000 0x40020000 0 0x00010000>;
+			/* Should map all possible DDR as inbound ranges, but
+			 * the IP only supports a 256MB, 512MB, or 1GB window.
+			 * flags, PCI addr (64-bit), CPU addr, PCI size (64-bit)
+			 */
+			dma-ranges = <0x42000000 0 0x80000000 0x80000000 0 0x40000000>;
+			interrupt-map-mask = <0xf800 0 0 0x7>;
+			interrupt-map = <0x0000 0 0 1 &gic GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH
+					 0x0800 0 0 1 &gic GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH
+					 0x1000 0 0 2 &gic GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		uart0: serial@...60000 {
 			compatible = "renesas,r9a06g032-uart", "renesas,rzn1-uart", "snps,dw-apb-uart";
 			reg = <0x40060000 0x400>;
-- 
2.35.1