linux-kernel - Re: [PATCH v2 2/2] arm64: dts: mt8173: Add I2C device node

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Message-ID: <20150608072725.GJ6325@pengutronix.de>
Date:	Mon, 8 Jun 2015 09:27:25 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Eddie Huang <eddie.huang@...iatek.com>
Cc:	Matthias Brugger <matthias.bgg@...il.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 2/2] arm64: dts: mt8173: Add I2C device node

Hi Eddie,

On Mon, Jun 01, 2015 at 09:08:27PM +0800, Eddie Huang wrote:
> Add MT8173 I2C device nodes, include I2C controllers and pins.
> MT8173 has six I2C controllers, from i2c0 to i2c6, exclude i2c5.
> The 6th I2C controller register base doesn't next to 5th I2C,
> and there is a hardware between 5th and 6th I2C controller. So
> SoC designer name 6th controller as "i2c6", not "i2c5".
> 
> Signed-off-by: Eddie Huang <eddie.huang@...iatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8173.dtsi | 119 +++++++++++++++++++++++++++++++
>  1 file changed, 119 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index b52ec43..7003ed2 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -158,6 +158,53 @@
>  			interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
>  						<GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
>  						<GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
> +			i2c0_pins_a: i2c0@0 {
> +				pins1 {
> +					pinmux = <MT8173_PIN_45_SDA0__FUNC_SDA0>,
> +						 <MT8173_PIN_46_SCL0__FUNC_SCL0>;
> +					bias-disable;
> +				};
> +			};

The pinmux nodes should be in the board dts, not in the SoC dtsi.

Sascha

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