linux-kernel - Re: [PATCH] arm64: dts: meson-axg: jethub-jxx add support for EEPROM

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Message-ID: <bcf1cc27-cdba-40c2-b578-b4514f92df7c@linaro.org>
Date:   Mon, 27 Nov 2023 09:05:33 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Viacheslav Bocharov <adeep@...ina.in>,
        Jerome Brunet <jbrunet@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: meson-axg: jethub-jxx add support for EEPROM

On 02/11/2023 07:12, Viacheslav Bocharov wrote:
> Add dts node for EEPROM placed on baseboard in JetHub D1+ devices.
> 
> Signed-off-by: Viacheslav Bocharov <adeep@...ina.in>
> ---
>   .../amlogic/meson-axg-jethome-jethub-j110-rev-2.dts  | 12 ++++++++++++
>   .../amlogic/meson-axg-jethome-jethub-j110-rev-3.dts  | 12 ++++++++++++
>   2 files changed, 24 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-2.dts b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-2.dts
> index 0062667c4f65..2c684f0ca99a 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-2.dts
> @@ -35,3 +35,15 @@ bluetooth {
>   		device-wake-gpios = <&gpio GPIOZ_6 GPIO_ACTIVE_HIGH>;
>   	};
>   };
> +
> +&i2c_AO {
> +	/* EEPROM on base board */
> +	eeprompd: eeprom@56 {
> +		compatible = "atmel,24c64";
> +		reg = <0x56>;
> +		pagesize = <0x20>;
> +		label = "eeprompd";
> +		address-width = <0x10>;
> +		vcc-supply = <&vddao_3v3>;
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-3.dts b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-3.dts
> index c2d22b00c1cd..c356bd2cc63a 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-3.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j110-rev-3.dts
> @@ -25,3 +25,15 @@ memory@0 {
>   &sd_emmc_b {
>   	broken-cd;/* cd-gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;*/
>   };
> +
> +&i2c_AO {
> +	/* EEPROM on base board */
> +	eeprompd: eeprom@56 {
> +		compatible = "atmel,24c64";
> +		reg = <0x56>;
> +		pagesize = <0x20>;
> +		label = "eeprompd";
> +		address-width = <0x10>;
> +		vcc-supply = <&vddao_3v3>;
> +	};
> +};

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>