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Date: Tue, 27 Feb 2024 07:51:58 -0600
From: Adam Ford <aford173@...il.com>
To: Marco Felsch <m.felsch@...gutronix.de>
Cc: linux-arm-kernel@...ts.infradead.org, linux-phy@...ts.infradead.org,
Marek Vasut <marex@...x.de>, Kishon Vijay Abraham I <kishon@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Fabio Estevam <festevam@...il.com>, Pengutronix Kernel Team <kernel@...gutronix.de>,
Will Deacon <will@...nel.org>, Rob Herring <robh@...nel.org>, imx@...ts.linux.dev,
Sascha Hauer <s.hauer@...gutronix.de>, aford@...conembedded.com,
linux-kernel@...r.kernel.org, Vinod Koul <vkoul@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Catalin Marinas <catalin.marinas@....com>, Shawn Guo <shawnguo@...nel.org>,
Luca Ceresoli <luca.ceresoli@...tlin.com>, devicetree@...r.kernel.org,
Lucas Stach <l.stach@...gutronix.de>
Subject: Re: [PATCH V6 5/6] arm64: dts: imx8mp: add HDMI display pipeline
On Tue, Feb 27, 2024 at 2:33 AM Marco Felsch <m.felsch@...gutronix.de> wrote:
>
> Hi Adam,
>
> thanks a lot for pushing this topic.
>
> On 24-02-26, Adam Ford wrote:
> > From: Lucas Stach <l.stach@...gutronix.de>
> >
> > This adds the DT nodes for all the peripherals that make up the
> > HDMI display pipeline.
> >
> > Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
> > Signed-off-by: Adam Ford <aford173@...il.com>
> > Tested-by: Marek Vasut <marex@...x.de>
> > Tested-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
> > ---
> > V6: Make LCDIF3 disabled by default
> >
> > V5: No change
> >
> > V3: Re-ordered the HDMI parts to properly come after irqstree_hdmi
> > inside AIPS4. Change size of LCDIF3 and PVI to match TRM sizes
> > of 4KB.
> >
> > V2: I took this from Lucas' original submission with the following:
> > Removed extra clock from HDMI-TX since it is now part of the
> > power domain
> > Added interrupt-parent to PVI
> > Changed the name of the HDMI tranmitter to fsl,imx8mp-hdmi-tx
> > Added ports to HDMI-tx
> > ---
> > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 95 +++++++++++++++++++++++
> > 1 file changed, 95 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > index 18bfa7d9aa7f..637b0265b0f1 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > @@ -1940,6 +1940,101 @@ irqsteer_hdmi: interrupt-controller@...c2000 {
> > clock-names = "ipg";
> > power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_IRQSTEER>;
> > };
> > +
> > + hdmi_pvi: display-bridge@...c4000 {
> > + compatible = "fsl,imx8mp-hdmi-pvi";
> > + reg = <0x32fc4000 0x1000>;
> > + interrupt-parent = <&irqsteer_hdmi>;
> > + interrupts = <12>;
> > + power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PVI>;
>
> this node should be 'status = "disabled";' as reported by Luca else this
> node will EPROBE_DEFER. With that beeing fixed you can add my:
sorry I missed that one...and I though I was done...sigh. I hope it's
not too late to get this into the next release.
>
> Tested-by: Marco Felsch <m.felsch@...gutronix.de>
>
I'll push a V7 tonight and add your tested-by. Thanks for testing.
adam
> Regards,
> Marco
>
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + pvi_from_lcdif3: endpoint {
> > + remote-endpoint = <&lcdif3_to_pvi>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > + pvi_to_hdmi_tx: endpoint {
> > + remote-endpoint = <&hdmi_tx_from_pvi>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + lcdif3: display-controller@...c6000 {
> > + compatible = "fsl,imx8mp-lcdif";
> > + reg = <0x32fc6000 0x1000>;
> > + interrupt-parent = <&irqsteer_hdmi>;
> > + interrupts = <8>;
> > + clocks = <&hdmi_tx_phy>,
> > + <&clk IMX8MP_CLK_HDMI_APB>,
> > + <&clk IMX8MP_CLK_HDMI_ROOT>;
> > + clock-names = "pix", "axi", "disp_axi";
> > + power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_LCDIF>;
> > + status = "disabled";
> > +
> > + port {
> > + lcdif3_to_pvi: endpoint {
> > + remote-endpoint = <&pvi_from_lcdif3>;
> > + };
> > + };
> > + };
> > +
> > + hdmi_tx: hdmi@...d8000 {
> > + compatible = "fsl,imx8mp-hdmi-tx";
> > + reg = <0x32fd8000 0x7eff>;
> > + interrupt-parent = <&irqsteer_hdmi>;
> > + interrupts = <0>;
> > + clocks = <&clk IMX8MP_CLK_HDMI_APB>,
> > + <&clk IMX8MP_CLK_HDMI_REF_266M>,
> > + <&clk IMX8MP_CLK_32K>,
> > + <&hdmi_tx_phy>;
> > + clock-names = "iahb", "isfr", "cec", "pix";
> > + assigned-clocks = <&clk IMX8MP_CLK_HDMI_REF_266M>;
> > + assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>;
> > + power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX>;
> > + reg-io-width = <1>;
> > + status = "disabled";
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + hdmi_tx_from_pvi: endpoint {
> > + remote-endpoint = <&pvi_to_hdmi_tx>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > + /* Point endpoint to the HDMI connector */
> > + };
> > + };
> > + };
> > +
> > + hdmi_tx_phy: phy@...dff00 {
> > + compatible = "fsl,imx8mp-hdmi-phy";
> > + reg = <0x32fdff00 0x100>;
> > + clocks = <&clk IMX8MP_CLK_HDMI_APB>,
> > + <&clk IMX8MP_CLK_HDMI_24M>;
> > + clock-names = "apb", "ref";
> > + assigned-clocks = <&clk IMX8MP_CLK_HDMI_24M>;
> > + assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
> > + power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX_PHY>;
> > + #clock-cells = <0>;
> > + #phy-cells = <0>;
> > + status = "disabled";
> > + };
> > };
> >
> > pcie: pcie@...00000 {
> > --
> > 2.43.0
> >
> >
> >
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