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[v3,6/7] arm: dts: sun8i: a33: Add the DSI-related nodes

Message ID fbb4d14a83ed80e9740c042cd9df58b8132b4c91.1520344489.git-series.maxime.ripard@bootlin.com (mailing list archive)
State New, archived
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Commit Message

Maxime Ripard March 6, 2018, 1:56 p.m. UTC
From: Maxime Ripard <maxime.ripard@free-electrons.com>

The A33 has a MIPI-DSI block, along with its D-PHY. Let's add it in order
to use it in the relevant boards.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
 arch/arm/boot/dts/sun8i-a33.dtsi | 44 +++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+)

Comments

Chen-Yu Tsai March 22, 2018, 2:23 a.m. UTC | #1
On Tue, Mar 6, 2018 at 9:56 PM, Maxime Ripard <maxime.ripard@bootlin.com> wrote:
> From: Maxime Ripard <maxime.ripard@free-electrons.com>
>
> The A33 has a MIPI-DSI block, along with its D-PHY. Let's add it in order
> to use it in the relevant boards.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---
>  arch/arm/boot/dts/sun8i-a33.dtsi | 44 +++++++++++++++++++++++++++++++++-
>  1 file changed, 44 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
> index 50eb84fa246a..94cfa7b1bbfa 100644
> --- a/arch/arm/boot/dts/sun8i-a33.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a33.dtsi
> @@ -236,6 +236,11 @@
>                                         #address-cells = <1>;
>                                         #size-cells = <0>;
>                                         reg = <1>;
> +
> +                                       tcon0_out_dsi0: endpoint@1 {
> +                                               reg = <1>;
> +                                               remote-endpoint = <&dsi0_in_tcon0>;
> +                                       };
>                                 };
>                         };
>                 };
> @@ -280,6 +285,45 @@
>                         #io-channel-cells = <0>;
>                 };
>
> +               dsi0: dsi@1ca0000 {

Nit: There's only one so you don't need the numbered suffix. Also,
is "dsi" specific enough, or should we use "mipi-dsi"

> +                       compatible = "allwinner,sun6i-a31-mipi-dsi";
> +                       reg = <0x01ca0000 0x1000>;
> +                       interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&ccu CLK_BUS_MIPI_DSI>,
> +                                <&ccu CLK_DSI_SCLK>;
> +                       clock-names = "bus", "mod";
> +                       resets = <&ccu RST_BUS_MIPI_DSI>;
> +                       phys = <&dphy0>;
> +                       phy-names = "dphy";
> +                       status = "disabled";
> +
> +                       ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@0 {
> +                                       #address-cells = <1>;
> +                                       #size-cells = <0>;
> +                                       reg = <0>;
> +
> +                                       dsi0_in_tcon0: endpoint {
> +                                               remote-endpoint = <&tcon0_out_dsi0>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               dphy0: d-phy@1ca1000 {

Same nit, and "dsi-phy" would be better.

Otherwise,

Reviewed-by: Chen-Yu Tsai <wens@csie.org>

> +                       compatible = "allwinner,sun6i-a31-mipi-dphy";
> +                       reg = <0x01ca1000 0x1000>;
> +                       clocks = <&ccu CLK_BUS_MIPI_DSI>,
> +                                <&ccu CLK_DSI_DPHY>;
> +                       clock-names = "bus", "mod";
> +                       resets = <&ccu RST_BUS_MIPI_DSI>;
> +                       status = "disabled";
> +                       #phy-cells = <0>;
> +               };
> +
>                 fe0: display-frontend@1e00000 {
>                         compatible = "allwinner,sun8i-a33-display-frontend";
>                         reg = <0x01e00000 0x20000>;
> --
> git-series 0.9.1
Maxime Ripard April 4, 2018, 8:14 a.m. UTC | #2
Hi,

On Thu, Mar 22, 2018 at 10:23:32AM +0800, Chen-Yu Tsai wrote:
> On Tue, Mar 6, 2018 at 9:56 PM, Maxime Ripard <maxime.ripard@bootlin.com> wrote:
> > From: Maxime Ripard <maxime.ripard@free-electrons.com>
> >
> > The A33 has a MIPI-DSI block, along with its D-PHY. Let's add it in order
> > to use it in the relevant boards.
> >
> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> > ---
> >  arch/arm/boot/dts/sun8i-a33.dtsi | 44 +++++++++++++++++++++++++++++++++-
> >  1 file changed, 44 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
> > index 50eb84fa246a..94cfa7b1bbfa 100644
> > --- a/arch/arm/boot/dts/sun8i-a33.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a33.dtsi
> > @@ -236,6 +236,11 @@
> >                                         #address-cells = <1>;
> >                                         #size-cells = <0>;
> >                                         reg = <1>;
> > +
> > +                                       tcon0_out_dsi0: endpoint@1 {
> > +                                               reg = <1>;
> > +                                               remote-endpoint = <&dsi0_in_tcon0>;
> > +                                       };
> >                                 };
> >                         };
> >                 };
> > @@ -280,6 +285,45 @@
> >                         #io-channel-cells = <0>;
> >                 };
> >
> > +               dsi0: dsi@1ca0000 {
> 
> Nit: There's only one so you don't need the numbered suffix.

I'll fix it.

> Also, is "dsi" specific enough, or should we use "mipi-dsi"

If we were to be pedantic about it, that would even be MIPI-DSI2, but
I'm not sure it's worth it to be honest.

> > +                       compatible = "allwinner,sun6i-a31-mipi-dsi";
> > +                       reg = <0x01ca0000 0x1000>;
> > +                       interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> > +                       clocks = <&ccu CLK_BUS_MIPI_DSI>,
> > +                                <&ccu CLK_DSI_SCLK>;
> > +                       clock-names = "bus", "mod";
> > +                       resets = <&ccu RST_BUS_MIPI_DSI>;
> > +                       phys = <&dphy0>;
> > +                       phy-names = "dphy";
> > +                       status = "disabled";
> > +
> > +                       ports {
> > +                               #address-cells = <1>;
> > +                               #size-cells = <0>;
> > +
> > +                               port@0 {
> > +                                       #address-cells = <1>;
> > +                                       #size-cells = <0>;
> > +                                       reg = <0>;
> > +
> > +                                       dsi0_in_tcon0: endpoint {
> > +                                               remote-endpoint = <&tcon0_out_dsi0>;
> > +                                       };
> > +                               };
> > +                       };
> > +               };
> > +
> > +               dphy0: d-phy@1ca1000 {
> 
> Same nit, and "dsi-phy" would be better.

D-PHY is one of the MIPI standards that can be used with DSI, but it
doesn't mean DSI-PHY. You also have C-PHY (that can be used with DSI
as well) and M-PHY (than can be used with UniPro and CSI3). So, no, it
really is a D-PHY controller :)

Maxime
diff mbox

Patch

diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
index 50eb84fa246a..94cfa7b1bbfa 100644
--- a/arch/arm/boot/dts/sun8i-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a33.dtsi
@@ -236,6 +236,11 @@ 
 					#address-cells = <1>;
 					#size-cells = <0>;
 					reg = <1>;
+
+					tcon0_out_dsi0: endpoint@1 {
+						reg = <1>;
+						remote-endpoint = <&dsi0_in_tcon0>;
+					};
 				};
 			};
 		};
@@ -280,6 +285,45 @@ 
 			#io-channel-cells = <0>;
 		};
 
+		dsi0: dsi@1ca0000 {
+			compatible = "allwinner,sun6i-a31-mipi-dsi";
+			reg = <0x01ca0000 0x1000>;
+			interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_MIPI_DSI>,
+				 <&ccu CLK_DSI_SCLK>;
+			clock-names = "bus", "mod";
+			resets = <&ccu RST_BUS_MIPI_DSI>;
+			phys = <&dphy0>;
+			phy-names = "dphy";
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0>;
+
+					dsi0_in_tcon0: endpoint {
+						remote-endpoint = <&tcon0_out_dsi0>;
+					};
+				};
+			};
+		};
+
+		dphy0: d-phy@1ca1000 {
+			compatible = "allwinner,sun6i-a31-mipi-dphy";
+			reg = <0x01ca1000 0x1000>;
+			clocks = <&ccu CLK_BUS_MIPI_DSI>,
+				 <&ccu CLK_DSI_DPHY>;
+			clock-names = "bus", "mod";
+			resets = <&ccu RST_BUS_MIPI_DSI>;
+			status = "disabled";
+			#phy-cells = <0>;
+		};
+
 		fe0: display-frontend@1e00000 {
 			compatible = "allwinner,sun8i-a33-display-frontend";
 			reg = <0x01e00000 0x20000>;