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[PATCH V8 05/12] arm64: dts: imx8mp: add HDMI power-domains

Adam Ford posted 12 patches 2 years ago
[PATCH V8 05/12] arm64: dts: imx8mp: add HDMI power-domains
Posted by Adam Ford 2 years ago 
From: Lucas Stach <l.stach@pengutronix.de>

This adds the PGC and HDMI blk-ctrl nodes providing power control for
HDMI subsystem peripherals.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
V2:  Add missing power-domains hdcp and hrv
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 38 +++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 76c73daf546b..5c54073de615 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -836,6 +836,23 @@ pgc_mediamix: power-domain@10 {
 							 <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
 					};
 
+					pgc_hdmimix: power-domains@14 {
+						#power-domain-cells = <0>;
+						reg = <IMX8MP_POWER_DOMAIN_HDMIMIX>;
+						clocks = <&clk IMX8MP_CLK_HDMI_ROOT>,
+							 <&clk IMX8MP_CLK_HDMI_APB>;
+						assigned-clocks = <&clk IMX8MP_CLK_HDMI_AXI>,
+								  <&clk IMX8MP_CLK_HDMI_APB>;
+						assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>,
+									 <&clk IMX8MP_SYS_PLL1_133M>;
+						assigned-clock-rates = <500000000>, <133000000>;
+					};
+
+					pgc_hdmi_phy: power-domains@15 {
+						#power-domain-cells = <0>;
+						reg = <IMX8MP_POWER_DOMAIN_HDMI_PHY>;
+					};
+
 					pgc_mipi_phy2: power-domain@16 {
 						#power-domain-cells = <0>;
 						reg = <IMX8MP_POWER_DOMAIN_MIPI_PHY2>;
@@ -1361,6 +1378,27 @@ eqos: ethernet@30bf0000 {
 				intf_mode = <&gpr 0x4>;
 				status = "disabled";
 			};
+
+			hdmi_blk_ctrl: blk-ctrl@32fc0000 {
+				compatible = "fsl,imx8mp-hdmi-blk-ctrl", "syscon";
+				reg = <0x32fc0000 0x23c>;
+				clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+					 <&clk IMX8MP_CLK_HDMI_ROOT>,
+					 <&clk IMX8MP_CLK_HDMI_REF_266M>,
+					 <&clk IMX8MP_CLK_HDMI_24M>,
+					 <&clk IMX8MP_CLK_HDMI_FDCC_TST>;
+				clock-names = "apb", "axi", "ref_266m", "ref_24m", "fdcc";
+				power-domains = <&pgc_hdmimix>, <&pgc_hdmimix>,
+						<&pgc_hdmimix>, <&pgc_hdmimix>,
+						<&pgc_hdmimix>, <&pgc_hdmimix>,
+						<&pgc_hdmimix>, <&pgc_hdmi_phy>,
+						<&pgc_hdmimix>, <&pgc_hdmimix>;
+				power-domain-names = "bus", "irqsteer", "lcdif",
+						     "pai", "pvi", "trng",
+						     "hdmi-tx", "hdmi-tx-phy",
+						     "hdcp", "hrv";
+				#power-domain-cells = <1>;
+			};
 		};
 
 		aips5: bus@30c00000 {
-- 
2.43.0
Re: [PATCH V8 05/12] arm64: dts: imx8mp: add HDMI power-domains
Posted by Alexander Stein 2 years ago 
Hi Adam,

thanks for working on this.

Am Samstag, 3. Februar 2024, 17:52:45 CET schrieb Adam Ford:
> From: Lucas Stach <l.stach@pengutronix.de>
> 
> This adds the PGC and HDMI blk-ctrl nodes providing power control for
> HDMI subsystem peripherals.
> 
> Signed-off-by: Adam Ford <aford173@gmail.com>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> V2:  Add missing power-domains hdcp and hrv
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 38 +++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> 76c73daf546b..5c54073de615 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -836,6 +836,23 @@ pgc_mediamix: power-domain@10 {
>  							 <&clk 
IMX8MP_CLK_MEDIA_APB_ROOT>;
>  					};
> 
> +					pgc_hdmimix: power-
domains@14 {

As per Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml the node 
should be called power-domain@.

> +						#power-domain-
cells = <0>;
> +						reg = 
<IMX8MP_POWER_DOMAIN_HDMIMIX>;
> +						clocks = <&clk 
IMX8MP_CLK_HDMI_ROOT>,
> +							 <&clk 
IMX8MP_CLK_HDMI_APB>;
> +						assigned-clocks = 
<&clk IMX8MP_CLK_HDMI_AXI>,
> +								
  <&clk IMX8MP_CLK_HDMI_APB>;
> +						assigned-clock-
parents = <&clk IMX8MP_SYS_PLL2_500M>,
> +								
	 <&clk IMX8MP_SYS_PLL1_133M>;
> +						assigned-clock-
rates = <500000000>, <133000000>;
> +					};
> +
> +					pgc_hdmi_phy: power-
domains@15 {

As per Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml the node 
should be called power-domain@.

> +						#power-domain-
cells = <0>;
> +						reg = 
<IMX8MP_POWER_DOMAIN_HDMI_PHY>;
> +					};
> +
>  					pgc_mipi_phy2: power-
domain@16 {
>  						#power-domain-
cells = <0>;
>  						reg = 
<IMX8MP_POWER_DOMAIN_MIPI_PHY2>;
> @@ -1361,6 +1378,27 @@ eqos: ethernet@30bf0000 {
>  				intf_mode = <&gpr 0x4>;
>  				status = "disabled";
>  			};
> +
> +			hdmi_blk_ctrl: blk-ctrl@32fc0000 {
> +				compatible = "fsl,imx8mp-hdmi-blk-
ctrl", "syscon";
> +				reg = <0x32fc0000 0x23c>;
> +				clocks = <&clk IMX8MP_CLK_HDMI_APB>,
> +					 <&clk 
IMX8MP_CLK_HDMI_ROOT>,
> +					 <&clk 
IMX8MP_CLK_HDMI_REF_266M>,
> +					 <&clk IMX8MP_CLK_HDMI_24M>,
> +					 <&clk 
IMX8MP_CLK_HDMI_FDCC_TST>;
> +				clock-names = "apb", "axi", 
"ref_266m", "ref_24m", "fdcc";
> +				power-domains = <&pgc_hdmimix>, 
<&pgc_hdmimix>,
> +						<&pgc_hdmimix>, 
<&pgc_hdmimix>,
> +						<&pgc_hdmimix>, 
<&pgc_hdmimix>,
> +						<&pgc_hdmimix>, 
<&pgc_hdmi_phy>,
> +						<&pgc_hdmimix>, 
<&pgc_hdmimix>;
> +				power-domain-names = "bus", 
"irqsteer", "lcdif",
> +						     "pai", "pvi", 
"trng",
> +						     "hdmi-tx", 
"hdmi-tx-phy",
> +						     "hdcp", 
"hrv";
> +				#power-domain-cells = <1>;
> +			};
>  		};
> 

According to RM this block is part of AIPS4, so it should be below 
hsio_blk_ctrl.

Best regards,
Alexander

>  		aips5: bus@30c00000 {


-- 
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
http://www.tq-group.com/
Re: [PATCH V8 05/12] arm64: dts: imx8mp: add HDMI power-domains
Posted by Adam Ford 2 years ago 
On Mon, Feb 5, 2024 at 1:26 AM Alexander Stein
<alexander.stein@ew.tq-group.com> wrote:
>
> Hi Adam,
>
> thanks for working on this.
>
> Am Samstag, 3. Februar 2024, 17:52:45 CET schrieb Adam Ford:
> > From: Lucas Stach <l.stach@pengutronix.de>
> >
> > This adds the PGC and HDMI blk-ctrl nodes providing power control for
> > HDMI subsystem peripherals.
> >
> > Signed-off-by: Adam Ford <aford173@gmail.com>
> > Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> > ---
> > V2:  Add missing power-domains hdcp and hrv
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 38 +++++++++++++++++++++++
> >  1 file changed, 38 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> > 76c73daf546b..5c54073de615 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > @@ -836,6 +836,23 @@ pgc_mediamix: power-domain@10 {
> >                                                        <&clk
> IMX8MP_CLK_MEDIA_APB_ROOT>;
> >                                       };
> >
> > +                                     pgc_hdmimix: power-
> domains@14 {
>

Alexander,

Thanks for the feedback.

> As per Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml the node
> should be called power-domain@.
>
> > +                                             #power-domain-
> cells = <0>;
> > +                                             reg =
> <IMX8MP_POWER_DOMAIN_HDMIMIX>;
> > +                                             clocks = <&clk
> IMX8MP_CLK_HDMI_ROOT>,
> > +                                                      <&clk
> IMX8MP_CLK_HDMI_APB>;
> > +                                             assigned-clocks =
> <&clk IMX8MP_CLK_HDMI_AXI>,
> > +
>   <&clk IMX8MP_CLK_HDMI_APB>;
> > +                                             assigned-clock-
> parents = <&clk IMX8MP_SYS_PLL2_500M>,
> > +
>          <&clk IMX8MP_SYS_PLL1_133M>;
> > +                                             assigned-clock-
> rates = <500000000>, <133000000>;
> > +                                     };
> > +
> > +                                     pgc_hdmi_phy: power-
> domains@15 {
>
> As per Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml the node
> should be called power-domain@.

Whoops.  I totally missed these when I applied them.  I'll have them
fixed on the next spin.
>
> > +                                             #power-domain-
> cells = <0>;
> > +                                             reg =
> <IMX8MP_POWER_DOMAIN_HDMI_PHY>;
> > +                                     };
> > +
> >                                       pgc_mipi_phy2: power-
> domain@16 {
> >                                               #power-domain-
> cells = <0>;
> >                                               reg =
> <IMX8MP_POWER_DOMAIN_MIPI_PHY2>;
> > @@ -1361,6 +1378,27 @@ eqos: ethernet@30bf0000 {
> >                               intf_mode = <&gpr 0x4>;
> >                               status = "disabled";
> >                       };
> > +
> > +                     hdmi_blk_ctrl: blk-ctrl@32fc0000 {
> > +                             compatible = "fsl,imx8mp-hdmi-blk-
> ctrl", "syscon";
> > +                             reg = <0x32fc0000 0x23c>;
> > +                             clocks = <&clk IMX8MP_CLK_HDMI_APB>,
> > +                                      <&clk
> IMX8MP_CLK_HDMI_ROOT>,
> > +                                      <&clk
> IMX8MP_CLK_HDMI_REF_266M>,
> > +                                      <&clk IMX8MP_CLK_HDMI_24M>,
> > +                                      <&clk
> IMX8MP_CLK_HDMI_FDCC_TST>;
> > +                             clock-names = "apb", "axi",
> "ref_266m", "ref_24m", "fdcc";
> > +                             power-domains = <&pgc_hdmimix>,
> <&pgc_hdmimix>,
> > +                                             <&pgc_hdmimix>,
> <&pgc_hdmimix>,
> > +                                             <&pgc_hdmimix>,
> <&pgc_hdmimix>,
> > +                                             <&pgc_hdmimix>,
> <&pgc_hdmi_phy>,
> > +                                             <&pgc_hdmimix>,
> <&pgc_hdmimix>;
> > +                             power-domain-names = "bus",
> "irqsteer", "lcdif",
> > +                                                  "pai", "pvi",
> "trng",
> > +                                                  "hdmi-tx",
> "hdmi-tx-phy",
> > +                                                  "hdcp",
> "hrv";
> > +                             #power-domain-cells = <1>;
> > +                     };
> >               };
> >
>
> According to RM this block is part of AIPS4, so it should be below
> hsio_blk_ctrl.

This is how it was when I got it, but I should have caught it.  Thanks
for that.  It looks like the subsequent HDMI, IRQ_steerting, LCDIF and
PHY ones are also out of place.

adam
>
> Best regards,
> Alexander
>
> >               aips5: bus@30c00000 {
>
>
> --
> TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
> Amtsgericht München, HRB 105018
> Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
> http://www.tq-group.com/
>
>

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