linux-kernel - Re: [PATCH v2] arm64: dts: ls1028a: Add temperature sensor node

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Message-ID: <20190605063741.GH29853@dragon>
Date:   Wed, 5 Jun 2019 14:37:42 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Yuantian Tang <andy.tang@....com>
Cc:     leoyang.li@....com, robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: ls1028a: Add temperature sensor node

On Tue, May 28, 2019 at 10:26:33AM +0800, Yuantian Tang wrote:
> Add nxp sa56004 chip node for temperature monitor.
> 
> Signed-off-by: Yuantian Tang <andy.tang@....com>
> ---
> v2:
> 	- change the node name and add vcc-supply
> 
>  arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 15 +++++++++++++++
>  arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 15 +++++++++++++++
>  2 files changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> index 6571d0483c7a..f12e4f510d6e 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> @@ -47,6 +47,15 @@
>  		regulator-always-on;
>  	};
>  
> +	sb_3v3: regulator-sb3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3v3_vbus";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
>  	sound {
>  		compatible = "simple-audio-card";
>  		simple-audio-card,format = "i2s";
> @@ -147,6 +156,12 @@
>  				compatible = "atmel,24c512";
>  				reg = <0x57>;
>  			};
> +
> +			temperature-sensor@4c {

Keep these i2c devices sort in unit-address order.

Shawn

> +				compatible = "nxp,sa56004";
> +				reg = <0x4c>;
> +				vcc-supply = <&sb_3v3>;
> +			};
>  		};
>  
>  		i2c@5 {
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> index 235ca3a83dc3..e64c28983ec9 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
> @@ -43,6 +43,15 @@
>  		regulator-always-on;
>  	};
>  
> +	sb_3v3: regulator-sb3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3v3_vbus";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
>  	sound {
>  		compatible = "simple-audio-card";
>  		simple-audio-card,format = "i2s";
> @@ -132,6 +141,12 @@
>  				compatible = "nxp,pcf2129";
>  				reg = <0x51>;
>  			};
> +
> +			temperature-sensor@4c {
> +				compatible = "nxp,sa56004";
> +				reg = <0x4c>;
> +				vcc-supply = <&sb_3v3>;
> +			};
>  		};
>  	};
>  };
> -- 
> 2.17.1
>