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Tue, 30 Jan 2024 00:03:52 -0800 (PST) Received: from [192.168.1.20] ([178.197.222.62]) by smtp.gmail.com with ESMTPSA id j9-20020a170906254900b00a311685890csm4825575ejb.22.2024.01.30.00.03.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jan 2024 00:03:51 -0800 (PST) Message-ID: <81dab1b6-cf40-4c9a-a806-48aafc8a72ea@linaro.org> Date: Tue, 30 Jan 2024 09:03:50 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] arm64: dts: imx8dxl-evk: add i2c3 and its children nodes Content-Language: en-US To: Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , open list Cc: imx@lists.linux.dev References: <20240129221458.250492-1-Frank.Li@nxp.com> <20240129221458.250492-2-Frank.Li@nxp.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/01/2024 23:14, Frank Li wrote: > Add i2c3 bus node. Add i2c gpio expandor pca6416 and i2c mux pca9548. > > Signed-off-by: Frank Li > --- > arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 55 +++++++++++++++++++ > 1 file changed, 55 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts > index b972658efb176..d313cf1dd79d5 100644 > --- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts > @@ -261,6 +261,61 @@ i2c@6 { > }; > }; > > +&i2c3 { > + #address-cells = <1>; > + #size-cells = <0>; > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c3>; > + status = "okay"; > + > + pca6416_3: gpio@20 { > + compatible = "ti,tca6416"; > + reg = <0x20>; > + gpio-controller; > + #gpio-cells = <2>; > + interrupt-parent = <&lsio_gpio2>; > + interrupts = <5 IRQ_TYPE_EDGE_RISING>; > + }; > + > + pca9548_2: i2c-mux@70 { > + compatible = "nxp,pca9548"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x70>; reg is always the second property. https://www.kernel.org/doc/html/latest/devicetree/bindings/dts-coding-style.html#order-of-properties-in-device-node Best regards, Krzysztof