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Date: Wed, 24 May 2017 13:24:29 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Icenowy Zheng <icenowy@...c.io>
Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>,
Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
dri-devel <dri-devel@...ts.freedesktop.org>,
devicetree <devicetree@...r.kernel.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-clk <linux-clk@...r.kernel.org>,
linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [RFC PATCH 10/11] ARM: sun8i: h3: add display
engine pipeline for TVE
On Thu, May 18, 2017 at 12:43 AM, Icenowy Zheng <icenowy@...c.io> wrote:
> As we have already the support for the TV encoder on Allwinner H3, add
> the display engine pipeline device tree nodes to its DTSI file.
>
> The H5 pipeline has some differences and will be enabled later.
>
> The currently-unused mixer0 and tcon0 are also needed, for the
> completement of the pipeline.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
> arch/arm/boot/dts/sun8i-h3.dtsi | 189 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 189 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
> index b36f9f423c39..20172ef92415 100644
> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> @@ -41,6 +41,8 @@
> */
>
> #include "sunxi-h3-h5.dtsi"
> +#include <dt-bindings/clock/sun8i-de2.h>
> +#include <dt-bindings/reset/sun8i-de2.h>
>
> / {
> cpus {
> @@ -72,6 +74,193 @@
> };
> };
>
> + de: display-engine {
> + compatible = "allwinner,sun8i-h3-display-engine";
> + allwinner,pipelines = <&mixer0>,
> + <&mixer1>;
> + status = "disabled";
> + };
> +
> + soc {
> + display_clocks: clock@...0000 {
> + compatible = "allwinner,sun8i-a83t-de2-clk";
> + reg = <0x01000000 0x100000>;
> + clocks = <&ccu CLK_BUS_DE>,
> + <&ccu CLK_DE>;
> + clock-names = "bus",
> + "mod";
> + resets = <&ccu RST_BUS_DE>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + assigned-clocks = <&ccu CLK_DE>;
> + assigned-clock-parents = <&ccu CLK_PLL_DE>;
> + assigned-clock-rates = <432000000>;
> + };
> +
> + mixer0: mixer@...0000 {
> + compatible = "allwinner,sun8i-h3-de2-mixer0";
> + reg = <0x01100000 0x100000>;
> + clocks = <&display_clocks CLK_BUS_MIXER0>,
> + <&display_clocks CLK_MIXER0>;
> + clock-names = "bus",
> + "mod";
> + resets = <&display_clocks RST_MIXER0>;
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mixer0_out: port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> +
> + mixer0_out_tcon0: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&tcon0_in_mixer0>;
> + };
> +
> + mixer0_out_tcon1: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&tcon1_in_mixer0>;
> + };
> + };
> + };
> + };
> +
> + mixer1: mixer@...0000 {
> + compatible = "allwinner,sun8i-h3-de2-mixer1";
> + reg = <0x01200000 0x100000>;
> + clocks = <&display_clocks CLK_BUS_MIXER1>,
> + <&display_clocks CLK_MIXER1>;
> + clock-names = "bus",
> + "mod";
> + resets = <&display_clocks RST_WB>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mixer1_out: port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> +
> + mixer1_out_tcon1: endpoint@0 {
> + reg = <0>;
I would prefer if you could stick to the numbering scheme we're using for
Display Engine 1.0, as in endpoint 0 links to component 0 of whatever type.
We're probably going to stick to that for the R40's incredibly complicated
pipeline. I don't want to have any outliers unless absolutely necessary.
ChenYu
> + remote-endpoint = <&tcon1_in_mixer1>;
> + };
> +
> + mixer1_out_tcon0: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&tcon0_in_mixer1>;
> + };
> + };
> + };
> + };
> +
> + tcon0: lcd-controller@...c000 {
> + compatible = "allwinner,sun8i-h3-tcon0";
> + reg = <0x01c0c000 0x1000>;
> + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_TCON0>,
> + <&ccu CLK_TCON0>;
> + clock-names = "ahb",
> + "tcon-ch1";
> + resets = <&ccu RST_BUS_TCON0>;
> + reset-names = "lcd";
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + tcon0_in: port@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + tcon0_in_mixer0: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&mixer0_out_tcon0>;
> + };
> +
> + tcon0_in_mixer1: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&mixer1_out_tcon0>;
> + };
> + };
> + };
> + };
> +
> + tcon1: lcd-controller@...d000 {
> + compatible = "allwinner,sun8i-h3-tcon1";
> + reg = <0x01c0d000 0x1000>;
> + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_TCON1>;
> + clock-names = "ahb";
> + resets = <&ccu RST_BUS_TCON1>;
> + reset-names = "lcd";
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + tcon1_in: port@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + tcon1_in_mixer1: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&mixer1_out_tcon1>;
> + };
> +
> + tcon1_in_mixer0: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&mixer0_out_tcon1>;
> + };
> + };
> +
> + tcon1_out: port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> +
> + tcon1_out_tve0: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&tve0_in_tcon1>;
> + };
> + };
> + };
> + };
> +
> + tve0: tv-encoder@...0000 {
> + compatible = "allwinner,sun8i-h3-tv-encoder";
> + reg = <0x01e00000 0x1000>;
> + clocks = <&ccu CLK_BUS_TVE>, <&ccu CLK_TVE>;
> + clock-names = "bus", "mod";
> + resets = <&ccu RST_BUS_TVE>;
> + status = "disabled";
> +
> + assigned-clocks = <&ccu CLK_TVE>;
> + assigned-clock-parents = <&ccu CLK_PLL_DE>;
> + assigned-clock-rates = <216000000>;
> +
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + tve0_in_tcon1: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&tcon1_out_tve0>;
> + };
> + };
> + };
> + };
> +
> timer {
> compatible = "arm,armv7-timer";
> interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> --
> 2.12.2
>
> --
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