在 2018-07-27五的 01:12 +0800，Icenowy Zheng写道：
> From: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>
> Allwinner A64 have a display pipeline with 2 mixers/TCONs, the first
> TCON is connected to LCD and the second is to HDMI.
>
> The HDMI controller/PHY pair is similar to the one on H3/H5, but have
> two video PLLs selectable.
>
> Add all required device tree nodes of the display pipeline, including
> the TCON0 LCD one and the TCON1 HDMI one.
>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> [Icenowy: refactor commit message and add 1st pipeline]
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> ---
> Changes for v3.1:
> - Refactor commit message to make it more clear.
> - Added first pipeline (mixer0 -> tcon0)
> Changes for v3:
> - Squash all pipeline components in one patch
> - Add status for mixer1 and tcon1
> Changes for v2:
> - Change compatibles and other based on previous patch changes
>
> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 169
> ++++++++++++++++++
> 1 file changed, 169 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index d3daf90a8715..fe9cc673fe07 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -112,6 +112,12 @@
> };
> };
>
> + de: display-engine {
> + compatible = "allwinner,sun50i-a64-display-engine";
> + allwinner,pipelines = <&mixer1>;
> + status = "disabled";
> + };
> +
> osc24M: osc24M_clk {
> #clock-cells = <0>;
> compatible = "fixed-clock";
> @@ -194,6 +200,55 @@
> #clock-cells = <1>;
> #reset-cells = <1>;
> };
> +
> + mixer0: mixer@100000 {
> + compatible = "allwinner,sun50i-a64-de2-
> mixer-0";
> + reg = <0x100000 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 {
> + reg = <1>;
> +
> + mixer0_out_tcon0:
> endpoint {
> + remote-endpoint
> = <&tcon0_in_mixer0>;
> + };
> + };
> + };
> + };
> +
> + mixer1: mixer@200000 {
> + compatible = "allwinner,sun50i-a64-de2-
> mixer-1";
> + reg = <0x200000 0x100000>;
> + clocks = <&display_clocks
> CLK_BUS_MIXER1>,
> + <&display_clocks CLK_MIXER1>;
> + clock-names = "bus",
> + "mod";
> + /* The reset line is shared */
> + resets = <&display_clocks RST_WB>;
Sorry here the reset line is not shared, and should be RST_MIXER1.
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mixer1_out: port@1 {
> + reg = <1>;
> +
> + mixer1_out_tcon1:
> endpoint {
> + remote-endpoint
> = <&tcon1_in_mixer1>;
> + };
> + };
> + };
> + };
> };
>
> syscon: syscon@1c00000 {
> @@ -228,6 +283,76 @@
> #dma-cells = <1>;
> };
>
> + tcon0: lcd-controller@1c0c000 {
> + compatible = "allwinner,sun50i-a64-tcon-lcd",
> + "allwinner,sun8i-a83t-tcon-lcd";
> + reg = <0x01c0c000 0x1000>;
> + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_TCON0>, <&ccu
> CLK_TCON0>;
> + clock-names = "ahb", "tcon-ch0";
> + clock-output-names = "tcon-pixel-clock";
> + resets = <&ccu RST_BUS_TCON0>, <&ccu
> RST_BUS_LVDS>;
> + reset-names = "lcd", "lvds";
> +
> + 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_out: port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> + };
> + };
> +
> + tcon1: lcd-controller@1c0d000 {
> + compatible = "allwinner,sun50i-a64-tcon-tv",
> + "allwinner,sun8i-a83t-tcon-tv";
> + reg = <0x01c0d000 0x1000>;
> + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_TCON1>, <&ccu
> CLK_TCON1>;
> + clock-names = "ahb", "tcon-ch1";
> + resets = <&ccu RST_BUS_TCON1>;
> + reset-names = "lcd";
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + tcon1_in: port@0 {
> + reg = <0>;
> +
> + tcon1_in_mixer1: endpoint {
> + remote-endpoint =
> <&mixer1_out_tcon1>;
> + };
> + };
> +
> + tcon1_out: port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> +
> + tcon1_out_hdmi: endpoint@1 {
> + reg = <1>;
> + remote-endpoint =
> <&hdmi_in_tcon1>;
> + };
> + };
> + };
> + };
> +
> mmc0: mmc@1c0f000 {
> compatible = "allwinner,sun50i-a64-mmc";
> reg = <0x01c0f000 0x1000>;
> @@ -686,6 +811,50 @@
> status = "disabled";
> };
>
> + hdmi: hdmi@1ee0000 {
> + compatible = "allwinner,sun50i-a64-dw-hdmi",
> + "allwinner,sun8i-a83t-dw-hdmi";
> + reg = <0x01ee0000 0x10000>;
> + reg-io-width = <1>;
> + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&ccu CLK_BUS_HDMI>, <&ccu
> CLK_HDMI_DDC>,
> + <&ccu CLK_HDMI>;
> + clock-names = "iahb", "isfr", "tmds";
> + resets = <&ccu RST_BUS_HDMI1>;
> + reset-names = "ctrl";
> + phys = <&hdmi_phy>;
> + phy-names = "hdmi-phy";
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hdmi_in: port@0 {
> + reg = <0>;
> +
> + hdmi_in_tcon1: endpoint {
> + remote-endpoint =
> <&tcon1_out_hdmi>;
> + };
> + };
> +
> + hdmi_out: port@1 {
> + reg = <1>;
> + };
> + };
> + };
> +
> + hdmi_phy: hdmi-phy@1ef0000 {
> + compatible = "allwinner,sun50i-a64-hdmi-phy";
> + reg = <0x01ef0000 0x10000>;
> + clocks = <&ccu CLK_BUS_HDMI>, <&ccu
> CLK_HDMI_DDC>,
> + <&ccu CLK_PLL_VIDEO0>, <&ccu
> CLK_PLL_VIDEO1>;
> + clock-names = "bus", "mod", "pll-0", "pll-1";
> + resets = <&ccu RST_BUS_HDMI0>;
> + reset-names = "phy";
> + #phy-cells = <0>;
> + };
> +
> rtc: rtc@1f00000 {
> compatible = "allwinner,sun6i-a31-rtc";
> reg = <0x01f00000 0x54>;
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