linux-kernel - Re: [PATCH 1/2] arm64: dts: imx8mp: Add DT nodes for the two ISPs

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Date: Mon, 25 Mar 2024 17:14:02 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Adam Ford <aford173@...il.com>
Cc: Paul Elder <paul.elder@...asonboard.com>, linux-media@...r.kernel.org,
	devicetree@...r.kernel.org, kieran.bingham@...asonboard.com,
	tomi.valkeinen@...asonboard.com, umang.jain@...asonboard.com,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	NXP Linux Team <linux-imx@....com>, Marek Vasut <marex@...x.de>,
	Alexander Stein <alexander.stein@...tq-group.com>,
	Lucas Stach <l.stach@...gutronix.de>, Frank Li <Frank.Li@....com>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: imx8mp: Add DT nodes for the two ISPs

Hi Adam,

On Wed, Mar 20, 2024 at 07:35:46AM -0500, Adam Ford wrote:
> On Wed, Nov 29, 2023 at 3:31 AM Paul Elder wrote:
> >
> > The ISP supports both CSI and parallel interfaces, where port 0
> > corresponds to the former and port 1 corresponds to the latter. Since
> > the i.MX8MP's ISPs are connected by the parallel interface to the CSI
> > receiver, set them both to port 1.
> >
> > Signed-off-by: Paul Elder <paul.elder@...asonboard.com>
> 
> Paul, are you able to resend this now that the driver part has been
> merged into the main branch?
> 
> If you can't, I can resend it on your behalf.

I've just sent a v2, you're on CC.

> > ---
> >  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 50 +++++++++++++++++++++++
> >  1 file changed, 50 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > index c9a610ba4836..25579d4c58f2 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > @@ -1604,6 +1604,56 @@ isi_in_1: endpoint {
> >                                 };
> >                         };
> >
> > +                       isp_0: isp@...10000 {
> > +                               compatible = "fsl,imx8mp-isp";
> > +                               reg = <0x32e10000 0x10000>;
> > +                               interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
> > +                               clocks = <&clk IMX8MP_CLK_MEDIA_ISP_ROOT>,
> > +                                        <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>,
> > +                                        <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
> > +                               clock-names = "isp", "aclk", "hclk";
> > +                               assigned-clocks = <&clk IMX8MP_CLK_MEDIA_ISP>;
> > +                               assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
> > +                               assigned-clock-rates = <500000000>;
> > +                               power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>;
> > +                               fsl,blk-ctrl = <&media_blk_ctrl 0>;
> > +                               status = "disabled";
> > +
> > +                               ports {
> > +                                       #address-cells = <1>;
> > +                                       #size-cells = <0>;
> > +
> > +                                       port@1 {
> > +                                               reg = <1>;
> > +                                       };
> > +                               };
> > +                       };
> > +
> > +                       isp_1: isp@...20000 {
> > +                               compatible = "fsl,imx8mp-isp";
> > +                               reg = <0x32e20000 0x10000>;
> > +                               interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
> > +                               clocks = <&clk IMX8MP_CLK_MEDIA_ISP_ROOT>,
> > +                                        <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>,
> > +                                        <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
> > +                               clock-names = "isp", "aclk", "hclk";
> > +                               assigned-clocks = <&clk IMX8MP_CLK_MEDIA_ISP>;
> > +                               assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
> > +                               assigned-clock-rates = <500000000>;
> > +                               power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>;
> > +                               fsl,blk-ctrl = <&media_blk_ctrl 1>;
> > +                               status = "disabled";
> > +
> > +                               ports {
> > +                                       #address-cells = <1>;
> > +                                       #size-cells = <0>;
> > +
> > +                                       port@1 {
> > +                                               reg = <1>;
> > +                                       };
> > +                               };
> > +                       };
> > +
> >                         dewarp: dwe@...30000 {
> >                                 compatible = "nxp,imx8mp-dw100";
> >                                 reg = <0x32e30000 0x10000>;

-- 
Regards,

Laurent Pinchart