From: Marco Felsch <m.felsch@pengutronix.de> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Fabio Estevam <festevam@gmail.com>, Sascha Hauer <s.hauer@pengutronix.de>, Jacopo Mondi <jacopo@jmondi.org>, Pengutronix Kernel Team <kernel@pengutronix.de>, Jacopo Mondi <jacopo.mondi@ideasonboard.com>, Shawn Guo <shawnguo@kernel.org> Subject: Re: [PATCH] arm64: dts: debix-a: Remove i2c2 from base .dts Date: Tue, 2 Apr 2024 10:05:51 +0200 [thread overview] Message-ID: <20240402080551.t4tmvfumqtylvjtx@pengutronix.de> (raw) In-Reply-To: <20240402075903.GB10288@pendragon.ideasonboard.com> On 24-04-02, Laurent Pinchart wrote: > Hi Marco, > > On Tue, Apr 02, 2024 at 08:54:43AM +0200, Marco Felsch wrote: > > On 24-03-26, Laurent Pinchart wrote: > > > From: Jacopo Mondi <jacopo@jmondi.org> > > > > > > The I2C2 bus is used for the CSI and DSI connectors only, no devices are > > > connected to it on neither the Debix Model A nor its IO board. Remove > > > the bus from the board's .dts and rely on display panel or camera sensor > > > overlsy to enable it when necessary. > > > > I would rather remove the status line instead of removing the whole node > > since the bus is intented to be used for CSI and DSI and therefore the > > muxing should be valid. This makes it easier for overlay authors since > > they don't need to check the mux setup each time. > > Seems sensible to me. I will drop the clock-frequency property in > addition to the status property, as the frequency depends solely on the > devices connected to the CSI and DSI connectors. Make sense. With these changes, feel free to add my: Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Regards, Marco > > > Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> > > > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > > --- > > > .../boot/dts/freescale/imx8mp-debix-model-a.dts | 14 -------------- > > > 1 file changed, 14 deletions(-) > > > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts > > > index 5ac77eaf23d5..26c303b7c7fa 100644 > > > --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts > > > +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts > > > @@ -210,13 +210,6 @@ ldo5: LDO5 { > > > }; > > > }; > > > > > > -&i2c2 { > > > - clock-frequency = <100000>; > > > - pinctrl-names = "default"; > > > - pinctrl-0 = <&pinctrl_i2c2>; > > > - status = "okay"; > > > -}; > > > - > > > &i2c3 { > > > clock-frequency = <400000>; > > > pinctrl-names = "default"; > > > @@ -392,13 +385,6 @@ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2 > > > >; > > > }; > > > > > > - pinctrl_i2c2: i2c2grp { > > > - fsl,pins = < > > > - MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2 > > > - MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2 > > > - >; > > > - }; > > > - > > > pinctrl_i2c3: i2c3grp { > > > fsl,pins = < > > > MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2 > > -- > Regards, > > Laurent Pinchart >
WARNING: multiple messages have this Message-ID (diff)
From: Marco Felsch <m.felsch@pengutronix.de> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Fabio Estevam <festevam@gmail.com>, Sascha Hauer <s.hauer@pengutronix.de>, Jacopo Mondi <jacopo@jmondi.org>, Pengutronix Kernel Team <kernel@pengutronix.de>, Jacopo Mondi <jacopo.mondi@ideasonboard.com>, Shawn Guo <shawnguo@kernel.org> Subject: Re: [PATCH] arm64: dts: debix-a: Remove i2c2 from base .dts Date: Tue, 2 Apr 2024 10:05:51 +0200 [thread overview] Message-ID: <20240402080551.t4tmvfumqtylvjtx@pengutronix.de> (raw) In-Reply-To: <20240402075903.GB10288@pendragon.ideasonboard.com> On 24-04-02, Laurent Pinchart wrote: > Hi Marco, > > On Tue, Apr 02, 2024 at 08:54:43AM +0200, Marco Felsch wrote: > > On 24-03-26, Laurent Pinchart wrote: > > > From: Jacopo Mondi <jacopo@jmondi.org> > > > > > > The I2C2 bus is used for the CSI and DSI connectors only, no devices are > > > connected to it on neither the Debix Model A nor its IO board. Remove > > > the bus from the board's .dts and rely on display panel or camera sensor > > > overlsy to enable it when necessary. > > > > I would rather remove the status line instead of removing the whole node > > since the bus is intented to be used for CSI and DSI and therefore the > > muxing should be valid. This makes it easier for overlay authors since > > they don't need to check the mux setup each time. > > Seems sensible to me. I will drop the clock-frequency property in > addition to the status property, as the frequency depends solely on the > devices connected to the CSI and DSI connectors. Make sense. With these changes, feel free to add my: Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Regards, Marco > > > Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> > > > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > > --- > > > .../boot/dts/freescale/imx8mp-debix-model-a.dts | 14 -------------- > > > 1 file changed, 14 deletions(-) > > > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts > > > index 5ac77eaf23d5..26c303b7c7fa 100644 > > > --- a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts > > > +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts > > > @@ -210,13 +210,6 @@ ldo5: LDO5 { > > > }; > > > }; > > > > > > -&i2c2 { > > > - clock-frequency = <100000>; > > > - pinctrl-names = "default"; > > > - pinctrl-0 = <&pinctrl_i2c2>; > > > - status = "okay"; > > > -}; > > > - > > > &i2c3 { > > > clock-frequency = <400000>; > > > pinctrl-names = "default"; > > > @@ -392,13 +385,6 @@ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2 > > > >; > > > }; > > > > > > - pinctrl_i2c2: i2c2grp { > > > - fsl,pins = < > > > - MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2 > > > - MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2 > > > - >; > > > - }; > > > - > > > pinctrl_i2c3: i2c3grp { > > > fsl,pins = < > > > MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2 > > -- > Regards, > > Laurent Pinchart > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-04-02 8:05 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-25 22:50 [PATCH] arm64: dts: debix-a: Remove i2c2 from base .dts Laurent Pinchart 2024-03-25 22:50 ` Laurent Pinchart 2024-03-26 10:01 ` Kieran Bingham 2024-03-26 10:01 ` Kieran Bingham 2024-03-27 0:51 ` Laurent Pinchart 2024-03-27 0:51 ` Laurent Pinchart 2024-04-02 6:54 ` Marco Felsch 2024-04-02 6:54 ` Marco Felsch 2024-04-02 7:59 ` Laurent Pinchart 2024-04-02 7:59 ` Laurent Pinchart 2024-04-02 8:05 ` Marco Felsch [this message] 2024-04-02 8:05 ` Marco Felsch
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