Re: [PATCH v11 3/3] arm64: dts: imx93: Add parallel display output nodes

Marco Felsch
2026-03-03T15:51:09Z

On 26-03-03, Frank Li wrote:
> On Tue, Mar 03, 2026 at 11:42:08AM +0100, Marco Felsch wrote:
> > Hi Frank,
> >
> > On 26-03-03, Marco Felsch wrote:
> > > Add required OF nodes to support the i.MX93 parallel output (DPI) path.
> > >
> > > On the i.MX93 a single LCDIF is connected to three bridges: DPI, LVDS
> > > LDB and the MIPI-DSI whereas the i.MX91 support only the DPI bridge.
> > >
> > > Map endpoint@0 as DPI bridge output since the i.MX93 TRM (Figure 485.
> > > MEDIAMIX block diagram) doesn't mention any port-number <-> bridge
> > > combination.
> > >
> > > Set the MEDIA-AXI and MEDIA-APB clocks to the overdrive (OD) values
> > > since the i.MX93 and i.MX91 use the overdrive (OD) clk settings per
> > > default.
> > >
> > > Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> >
> > Please ignore this particular patch since you already applied this one.
>
> You can skip these when you post new version. post delta if need update,
> I can squash to previous patch as need.
>
> >
> > Next time we should align the apply with the rest of the patch series if
> > dt-bindings and driver behaviors are involved. In such case the final
> > integration patch should be merged at the end and not at the beginning
> > :)
>
> You request apply at :)
> https://lore.kernel.org/all/fl2br7rtcjrjj2uqxva7ai3xbvjwrrbbl2ruaoqolrccr2rd5p@z33qfx7dpavf/

I meant the whole series :) Although I'm unaware which maintainer is
taken which part. Sorry for causing troubles on your site. However if
you would try to apply this on your tree, git would have told you that
nothing needs to be applied because this patch is untouched.

Regards,
Marco

>
> Frank
> >
> > Thanks,
> > Marco
> >
> > > ---
> > > arch/arm64/boot/dts/freescale/imx91_93_common.dtsi | 54 ++++++++++++++++++++++
> > > arch/arm64/boot/dts/freescale/imx93.dtsi | 12 +++++
> > > 2 files changed, 66 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi b/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi
> > > index 7958cef353766a430df5e626ff2403dc05a974b1..5a8813df6bc993d559fb0b20fc742a106bfe6315 100644
> > > --- a/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi
> > > +++ b/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi
> > > @@ -1122,8 +1122,62 @@ media_blk_ctrl: system-controller@4ac10000 {
> > > <&clk IMX93_CLK_MIPI_DSI_GATE>;
> > > clock-names = "apb", "axi", "nic", "disp", "cam",
> > > "pxp", "lcdif", "isi", "csi", "dsi";
> > > + assigned-clocks = <&clk IMX93_CLK_MEDIA_AXI>,
> > > + <&clk IMX93_CLK_MEDIA_APB>,
> > > + <&clk IMX93_CLK_MEDIA_DISP_PIX>;
> > > + assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1>,
> > > + <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
> > > + <&clk IMX93_CLK_VIDEO_PLL>;
> > > + assigned-clock-rates = <400000000>, <133333333>;
> > > #power-domain-cells = <1>;
> > > status = "disabled";
> > > +
> > > + dpi_bridge: dpi-bridge {
> > > + compatible = "nxp,imx93-pdfc";
> > > + status = "disabled";
> > > +
> > > + ports {
> > > + #address-cells = <1>;
> > > + #size-cells = <0>;
> > > +
> > > + port@0 {
> > > + reg = <0>;
> > > +
> > > + dpi_from_lcdif: endpoint {
> > > + remote-endpoint = <&lcdif_to_dpi>;
> > > + };
> > > + };
> > > +
> > > + port@1 {
> > > + reg = <1>;
> > > +
> > > + dpi_to_panel: endpoint {
> > > + };
> > > + };
> > > + };
> > > + };
> > > + };
> > > +
> > > + lcdif: display-controller@4ae30000 {
> > > + compatible = "fsl,imx93-lcdif";
> > > + reg = <0x4ae30000 0x23c>;
> > > + interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
> > > + clocks = <&clk IMX93_CLK_MEDIA_DISP_PIX>,
> > > + <&clk IMX93_CLK_LCDIF_GATE>,
> > > + <&clk IMX93_CLK_MEDIA_AXI>;
> > > + clock-names = "pix", "axi", "disp_axi";
> > > + power-domains = <&media_blk_ctrl IMX93_MEDIABLK_PD_LCDIF>;
> > > + status = "disabled";
> > > +
> > > + port {
> > > + #address-cells = <1>;
> > > + #size-cells = <0>;
> > > +
> > > + lcdif_to_dpi: endpoint@0 {
> > > + reg = <0>;
> > > + remote-endpoint = <&dpi_from_lcdif>;
> > > + };
> > > + };
> > > };
> > >
> > > usbotg1: usb@4c100000 {
> > > diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
> > > index 7b27012dfcb564650882dc8c40e836e797b2fda1..5436b48b30e89eb1f939b398ce1bf105abe7e34b 100644
> > > --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> > > +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
> > > @@ -150,6 +150,18 @@ l3_cache: l3-cache {
> > > };
> > > };
> > >
> > > +&lcdif {
> > > + port {
> > > + lcdif_to_ldb: endpoint@1 {
> > > + reg = <1>;
> > > + };
> > > +
> > > + lcdif_to_dsi: endpoint@2 {
> > > + reg = <2>;
> > > + };
> > > + };
> > > +};
> > > +
> > > &src {
> > > mlmix: power-domain@44461800 {
> > > compatible = "fsl,imx93-src-slice";
> > >
> > > --
> > > 2.47.3
> > >
> >
> > --
> > #gernperDu
> > #CallMeByMyFirstName
> >
> > Pengutronix e.K. | |
> > Steuerwalder Str. 21 | https://www.pengutronix.de/ |
> > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
> > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-9 |
>

--
#gernperDu
#CallMeByMyFirstName

Pengutronix e.K. | |
Steuerwalder Str. 21 | https://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-9 |