linux-kernel - Re: [PATCH v6] arm64: dts: Add spi bus dts

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Message-ID: <CAGS+omCFQRoH3ft2O5qPLBgngCuLPaminTys5OU6QcKmRXTyNw@mail.gmail.com>
Date:	Mon, 17 Aug 2015 12:32:29 +0800
From:	Daniel Kurtz <djkurtz@...omium.org>
To:	Leilk Liu <leilk.liu@...iatek.com>
Cc:	Matthias Brugger <matthias.bgg@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v6] arm64: dts: Add spi bus dts

On Mon, Aug 17, 2015 at 11:29 AM, Leilk Liu <leilk.liu@...iatek.com> wrote:
>
> This patch adds MT8173 spi bus controllers into device tree.
>
> Signed-off-by: Leilk Liu <leilk.liu@...iatek.com>

Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>

> ---
> Change in this patch:
> pinctl and pad-select fields are board specific, so move to
> mt8173-evb.dtsi, and status = "okay".
> ---
>  arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++
>  arch/arm64/boot/dts/mediatek/mt8173.dtsi    | 12 ++++++++++++
>  2 files changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> index 4be66ca..811cb76 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
> @@ -387,6 +387,24 @@
>         };
>  };
>
> +&pio {
> +       spi_pins_a: spi0 {
> +               pins_spi {
> +                       pinmux = <MT8173_PIN_69_SPI_CK__FUNC_SPI_CK_0_>,
> +                               <MT8173_PIN_70_SPI_MI__FUNC_SPI_MI_0_>,
> +                               <MT8173_PIN_71_SPI_MO__FUNC_SPI_MO_0_>,
> +                               <MT8173_PIN_72_SPI_CS__FUNC_SPI_CS_0_>;
> +               };
> +       };
> +};
> +
> +&spi {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&spi_pins_a>;
> +       mediatek,pad-select = <0>;
> +       status = "okay";
> +};
> +
>  &uart0 {
>         status = "okay";
>  };
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index d18ee42..3dfb6ed 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -365,6 +365,18 @@
>                         status = "disabled";
>                 };
>
> +               spi: spi@...0a000 {
> +                       compatible = "mediatek,mt8173-spi";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0 0x1100a000 0 0x1000>;
> +                       interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
> +                       clocks = <&topckgen CLK_TOP_SPI_SEL>,
> +                                <&topckgen CLK_TOP_SYSPLL3_D2>;
> +                       clock-names = "spi-clk", "parent-clk";
> +                       status = "disabled";
> +               };
> +
>                 i2c3: i2c3@...10000 {
>                         compatible = "mediatek,mt8173-i2c";
>                         reg = <0 0x11010000 0 0x70>,
> --
> 1.8.1.1.dirty
>
> --
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