linux-kernel - Re: [PATCHv5 2/4] ARM: msm: Add support for APQ8074 Dragonboard

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Date:	Wed, 16 Oct 2013 14:25:15 -0500
From:	Kumar Gala <galak@...eaurora.org>
To:	Rohit Vaswani <rvaswani@...eaurora.org>
Cc:	David Brown <davidb@...eaurora.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Russell King <linux@....linux.org.uk>,
	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCHv5 2/4] ARM: msm: Add support for APQ8074 Dragonboard


On Oct 12, 2013, at 4:14 PM, Rohit Vaswani wrote:

> This patch adds basic board support for APQ8074 Dragonboard
> which belongs to the Snapdragon 800 family.
> For now, just support a basic machine with device tree.
> 
> Signed-off-by: Rohit Vaswani <rvaswani@...eaurora.org>
> ---
> arch/arm/boot/dts/Makefile                     |  3 ++-
> arch/arm/boot/dts/qcom-apq8074-dragonboard.dts |  6 +++++
> arch/arm/boot/dts/qcom-msm8974.dtsi            | 35 ++++++++++++++++++++++++++
> arch/arm/mach-msm/Kconfig                      | 13 ++++++++++
> arch/arm/mach-msm/board-dt.c                   |  9 +++++++
> 5 files changed, 65 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> create mode 100644 arch/arm/boot/dts/qcom-msm8974.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 000cf76..e71a3ec 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -102,7 +102,8 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
> 	kirkwood-openblocks_a6.dtb
> dtb-$(CONFIG_ARCH_MARCO) += marco-evb.dtb
> dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
> -	msm8960-cdp.dtb
> +	msm8960-cdp.dtb \
> +	qcom-apq8074-dragonboard.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
> 	armada-370-mirabox.dtb \
> 	armada-370-netgear-rn102.dtb \
> diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> new file mode 100644
> index 0000000..13ac3e2
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> @@ -0,0 +1,6 @@
> +#include "qcom-msm8974.dtsi"
> +
> +/ {
> +	model = "Qualcomm APQ8074 Dragonboard";
> +	compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
> +};
> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
> new file mode 100644
> index 0000000..e0fd55a
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
> @@ -0,0 +1,35 @@
> +/dts-v1/;
> +
> +#include "skeleton.dtsi"
> +
> +/ {
> +	model = "Qualcomm MSM8974";
> +	compatible = "qcom,msm8974";
> +	interrupt-parent = <&intc>;
> +
> +	soc: soc { };

Was there an answer to Olof's question about:

For files that include this it's ok to use the &phandle syntax, but in this
base dtsi, please use proper structure. In other words, move the contents of
the soc node up above instead.

> +};
> +
> +&soc {
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +	ranges;
> +	compatible = "simple-bus";
> +
> +	intc: interrupt-controller@...00000 {
> +		compatible = "qcom,msm-qgic2";
> +		interrupt-controller;
> +		#interrupt-cells = <3>;
> +		reg = <0xf9000000 0x1000>,
> +		      <0xf9002000 0x1000>;
> +	};
> +
> +	timer {
> +		compatible = "arm,armv7-timer";
> +		interrupts = <1 2 0xf08>,
> +			     <1 3 0xf08>,
> +			     <1 4 0xf08>,
> +			     <1 1 0xf08>;
> +		clock-frequency = <19200000>;
> +	};
> +};

- k

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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