linux-kernel - Re: [PATCH 2/2] ARM: dts: MSM8974: Add pinctrl node

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Message-ID: <CAJAp7OhEE0rTv2KRjajU361wrMh0VqOwCH4u4vC3+F4KMcU0GQ@mail.gmail.com>
Date:	Mon, 10 Feb 2014 10:55:34 -0800
From:	Bjorn Andersson <bjorn@...o.se>
To:	"Ivan T. Ivanov" <iivanov@...sol.com>
Cc:	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>,
	Russell King <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH 2/2] ARM: dts: MSM8974: Add pinctrl node

On Thu, Feb 6, 2014 at 7:28 AM, Ivan T. Ivanov <iivanov@...sol.com> wrote:
> From: "Ivan T. Ivanov" <iivanov@...sol.com>
>
> Add the pin control node and pin definitions of SPI8.
>
> Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> ---
>  arch/arm/boot/dts/qcom-msm8974.dtsi |   29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
> index 9e5dadb..395603f 100644
> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
> @@ -117,5 +117,34 @@
>                         clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
>                         clock-names = "core", "iface";
>                 };
> +
> +               msmgpio: pinctrl@...10000 {
> +                       compatible = "qcom,msm8974-pinctrl";
> +                       reg = <0xfd510000 0x4000>;
> +                       gpio-controller;
> +                       #gpio-cells = <2>;
> +                       interrupt-controller;
> +                       #interrupt-cells = <2>;
> +                       interrupts = <0 208 0>;
> +
> +                       spi8_default: spi8_default {
> +                               mosi {
> +                                       pins = "gpio45";
> +                                       function = "blsp_spi8";
> +                               };
> +                               miso {
> +                                       pins = "gpio46";
> +                                       function = "blsp_spi8";
> +                               };
> +                               cs {
> +                                       pins = "gpio47";
> +                                       function = "blsp_spi8";
> +                               };
> +                               clk {
> +                                       pins = "gpio48";
> +                                       function = "blsp_spi8";
> +                               };
> +                       };
> +               };
>         };
>  };

Nice, listing it like this makes it easy to add the electrical
properties when inheriting these nodes, closer to the product dts
files.

Reviewed-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
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