[PATCH v6 3/5] ARM: dts: sun8i-h3: add HDMI video nodes

[Icenowy Zheng]

20.11.2016, 20:12, "Jean-Francois Moine" <moinejf at free.fr>:
> Signed-off-by: Jean-Francois Moine <moinejf at free.fr>
> ---
>  arch/arm/boot/dts/sun8i-h3.dtsi | 51 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
> index 416b825..7c6b1d5 100644
> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> @@ -140,6 +140,16 @@
>                  #size-cells = <1>;
>                  ranges;
>
> + de: de-controller at 01000000 {
> + compatible = "allwinner,sun8i-h3-display-engine";
> + reg = <0x01000000 0x400000>;
> + clocks = <&ccu CLK_BUS_DE>, <&ccu CLK_DE>;
> + clock-names = "bus", "clock";
> + resets = <&ccu RST_BUS_DE>;
> + ports = <&lcd0_p>;
> + status = "disabled";
> + };
> +
>                  dma: dma-controller at 01c02000 {
>                          compatible = "allwinner,sun8i-h3-dma";
>                          reg = <0x01c02000 0x1000>;
> @@ -149,6 +159,23 @@
>                          #dma-cells = <1>;
>                  };
>
> + lcd0: lcd-controller at 01c0c000 {
> + compatible = "allwinner,sun8i-a83t-tcon";
> + reg = <0x01c0c000 0x400>;
> + clocks = <&ccu CLK_BUS_TCON0>, <&ccu CLK_TCON0>;
> + clock-names = "bus", "clock";
> + resets = <&ccu RST_BUS_TCON0>;
> + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + lcd0_p: port {
> + lcd0_hdmi: endpoint {
> + remote-endpoint = <&hdmi_lcd0>;
> + };
> + };
> + };
> +
>                  mmc0: mmc at 01c0f000 {
>                          compatible = "allwinner,sun7i-a20-mmc";
>                          reg = <0x01c0f000 0x1000>;
> @@ -314,6 +341,11 @@
>                          clock-names = "hosc", "losc";
>                          #clock-cells = <1>;
>                          #reset-cells = <1>;
> +
> + assigned-clocks = <&ccu CLK_PLL_DE>,
> + <&ccu CLK_DE>;
> + assigned-clock-rates = <864000000>,
> + <432000000>;
>                  };
>
>                  pio: pinctrl at 01c20800 {
> @@ -564,6 +596,25 @@
>                          interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>                  };
>
> + hdmi: hdmi at 01ee0000 {
> + compatible = "allwinner,sun8i-h3-hdmi";
> + reg = <0x01ee0000 0x20000>;
> + clocks = <&ccu CLK_BUS_HDMI>, <&ccu CLK_HDMI>,
> + <&ccu CLK_HDMI_DDC>;
> + clock-names = "bus", "clock", "ddc-clock";
> + resets = <&ccu RST_BUS_HDMI0>, <&ccu RST_BUS_HDMI1>;
> + reset-names = "hdmi0", "hdmi1";
> + status = "disabled";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + port at 0 { /* video */
> + reg = <0>;
> + hdmi_lcd0: endpoint {
> + remote-endpoint = <&lcd0_hdmi>;
> + };
> + };
> + };
> +
>                  rtc: rtc at 01f00000 {
>                          compatible = "allwinner,sun6i-a31-rtc";
>                          reg = <0x01f00000 0x54>;

After removing CLK_PLL_DE's assigned-clock, the kernel passes compilation.

However, it cannot recognize any HDMI screen...

(My board is Orange Pi One, and I manually added status="okay"; to &lcd0, &de, &hdmi)

[   16.507802] sun8i-de2 1000000.de-controller: bound 1c0c000.lcd-controller (ops de2_lcd_ops [sun8i_de2_drm])
[   16.675948] sun8i-de2 1000000.de-controller: bound 1ee0000.hdmi (ops de2_hdmi_fini [sun8i_de2_hdmi])
[   16.685120] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   16.695876] [drm] No driver support for vblank timestamp query.
[   16.701862] sun8i-de2 1000000.de-controller: No connectors reported connected with modes
[   16.713061] [drm] Cannot find any crtc or sizes - going 1024x768
[   16.734214] Console: switching to colour frame buffer device 128x48
[   16.751022] sun8i-de2 1000000.de-controller: fb0:  frame buffer device

> --
> 2.10.2
>
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