linux-kernel - Re: [PATCH] arm64: dts: meson: add i2c3/rtc nodes and rtc aliases to ODROID-N2 dtsi

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Date:   Mon, 11 Jan 2021 15:02:20 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Christian Hewitt <christianshewitt@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: meson: add i2c3/rtc nodes and rtc aliases to
 ODROID-N2 dtsi

On 11/01/2021 14:58, Christian Hewitt wrote:
> Enable the onboard pcf8563 rtc hardware on ODROID N2/N2+ boards via the
> common dtsi. Also add aliases to ensure vrtc does not claim /dev/rtc0.
> 
> Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
> ---
>  .../boot/dts/amlogic/meson-g12b-odroid-n2.dtsi     | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> index 39a09661c5f6..b78be3e6974d 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> @@ -13,6 +13,8 @@
>  	aliases {
>  		serial0 = &uart_AO;
>  		ethernet0 = &ethmac;
> +		rtc0 = &rtc;
> +		rtc1 = &vrtc;
>  	};
>  
>  	dioo2133: audio-amplifier-0 {
> @@ -478,6 +480,18 @@
>  	linux,rc-map-name = "rc-odroid";
>  };
>  
> +&i2c3 {
> +	status = "okay";
> +	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
> +	pinctrl-names = "default";
> +
> +	rtc: rtc@51 {
> +		compatible = "nxp,pcf8563";
> +		reg = <0x51>;
> +		wakeup-source;
> +	};
> +};
> +
>  &pwm_ab {
>  	pinctrl-0 = <&pwm_a_e_pins>;
>  	pinctrl-names = "default";
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>