Re: [PATCH v4 7/8] MIPS: BMIPS: Add PCI bindings for 7425, 7435

From: James Hogan <jhogan@kernel.org>
To: Jim Quinlan <jim2101024@gmail.com>
Cc: linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Rob Herring <robh+dt@kernel.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Robin Murphy <robin.murphy@arm.com>,
	Christoph Hellwig <hch@lst.de>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Jonas Gorski <jonas.gorski@gmail.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	linux-pci@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
	Gregory Fong <gregory.0xf0@gmail.com>,
	Kevin Cernekee <cernekee@gmail.com>,
	Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH v4 7/8] MIPS: BMIPS: Add PCI bindings for 7425, 7435
Date: Fri, 9 Mar 2018 14:44:21 +0000	[thread overview]
Message-ID: <20180309144420.GG24558@saruman> (raw)
In-Reply-To: <1516058925-46522-8-git-send-email-jim2101024@gmail.com>

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On Mon, Jan 15, 2018 at 06:28:44PM -0500, Jim Quinlan wrote:
> diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi
> index e4fb9b6..02168d0 100644
> --- a/arch/mips/boot/dts/brcm/bcm7425.dtsi
> +++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi
> @@ -495,4 +495,30 @@
>  			status = "disabled";
>  		};
>  	};
> +
> +	pcie: pcie@10410000 {
> +		reg = <0x10410000 0x830c>;
> +		compatible = "brcm,bcm7425-pcie";
> +		interrupts = <37>, <37>;
> +		interrupt-names = "pcie", "msi";
> +		interrupt-parent = <&periph_intc>;
> +		#address-cells = <3>;
> +		#size-cells = <2>;
> +		linux,pci-domain = <0>;
> +		brcm,enable-ssc;
> +		bus-range = <0x00 0xff>;
> +		msi-controller;
> +		#interrupt-cells = <1>;
> +		/* 4x128mb windows */
> +		ranges = <0x2000000 0x0 0xd0000000 0xd0000000 0 0x08000000>,
> +			 <0x2000000 0x0 0xd8000000 0xd8000000 0 0x08000000>,
> +			 <0x2000000 0x0 0xe0000000 0xe0000000 0 0x08000000>,
> +			 <0x2000000 0x0 0xe8000000 0xe8000000 0 0x08000000>;
> +		interrupt-map-mask = <0 0 0 7>;
> +		interrupt-map = <0 0 0 1 &periph_intc 33
> +				 0 0 0 2 &periph_intc 34
> +				 0 0 0 3 &periph_intc 35
> +				 0 0 0 4 &periph_intc 36>;

no status = "disabled" like the other dtsi?

> +	};
> +
>  };
> diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi
> index 1484e89..84881224 100644
> --- a/arch/mips/boot/dts/brcm/bcm7435.dtsi
> +++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi
> @@ -510,4 +510,31 @@
>  			status = "disabled";
>  		};
>  	};
> +
> +	pcie: pcie@10410000 {
> +		reg = <0x10410000 0x930c>;
> +		interrupts = <0x27>, <0x27>;
> +		interrupt-names = "pcie", "msi";
> +		interrupt-parent = <&periph_intc>;
> +		compatible = "brcm,bcm7435-pcie";

Might be nice to be consistent in your property ordering between these
two dtsi files. I for one would prefer compatible to be near the top
too, if only for consistency with most other nodes in these files.

> +		#address-cells = <3>;
> +		#size-cells = <2>;
> +		linux,pci-domain = <0>;
> +		brcm,enable-ssc;
> +		bus-range = <0x00 0xff>;
> +		msi-controller;
> +		#interrupt-cells = <1>;
> +		/* 4x128mb windows */
> +		ranges = <0x2000000 0x0 0xd0000000 0xd0000000 0 0x08000000>,
> +			 <0x2000000 0x0 0xd8000000 0xd8000000 0 0x08000000>,
> +			 <0x2000000 0x0 0xe0000000 0xe0000000 0 0x08000000>,
> +			 <0x2000000 0x0 0xe8000000 0xe8000000 0 0x08000000>;
> +		interrupt-map-mask = <0 0 0 7>;
> +		interrupt-map = <0 0 0 1 &periph_intc 35
> +				 0 0 0 2 &periph_intc 36
> +				 0 0 0 3 &periph_intc 37
> +				 0 0 0 4 &periph_intc 38>;
> +		status = "disabled";
> +	};
> +
>  };

Cheers
James

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