The Allwinner A31/A31s SoCs have 2 display pipelines, as in 2 display frontends, backends, and tcons each. The relationship between the backends and tcons are 1:1, but the frontends can feed either backend.
Add device nodes and of graph nodes describing this relationship.
Signed-off-by: Chen-Yu Tsai wens@csie.org --- arch/arm/boot/dts/sun6i-a31.dtsi | 168 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 167 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi index 9c999d3788f6..dfcf64515d7f 100644 --- a/arch/arm/boot/dts/sun6i-a31.dtsi +++ b/arch/arm/boot/dts/sun6i-a31.dtsi @@ -232,7 +232,7 @@
de: display-engine { compatible = "allwinner,sun6i-a31-display-engine"; - allwinner,pipelines = <&fe0>; + allwinner,pipelines = <&fe0>, <&fe1>; status = "disabled"; };
@@ -289,6 +289,43 @@ }; };
+ tcon1: lcd-controller@01c0d000 { + compatible = "allwinner,sun6i-a31-tcon"; + reg = <0x01c0d000 0x1000>; + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>; + resets = <&ccu RST_AHB1_LCD1>; + reset-names = "lcd"; + clocks = <&ccu CLK_AHB1_LCD1>, + <&ccu CLK_LCD1_CH0>, + <&ccu CLK_LCD1_CH1>; + clock-names = "ahb", + "tcon-ch0", + "tcon-ch1"; + clock-output-names = "tcon1-pixel-clock"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + tcon1_in: port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + tcon1_in_drc1: endpoint@0 { + reg = <0>; + remote-endpoint = <&drc1_out_tcon1>; + }; + }; + + tcon1_out: port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + }; + }; + }; + mmc0: mmc@01c0f000 { compatible = "allwinner,sun7i-a20-mmc"; reg = <0x01c0f000 0x1000>; @@ -896,6 +933,130 @@ reg = <0>; remote-endpoint = <&be0_in_fe0>; }; + + fe0_out_be1: endpoint@1 { + reg = <1>; + remote-endpoint = <&be1_in_fe0>; + }; + }; + }; + }; + + fe1: display-frontend@01e20000 { + compatible = "allwinner,sun6i-a31-display-frontend"; + reg = <0x01e20000 0x20000>; + interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_AHB1_FE1>, <&ccu CLK_FE1>, + <&ccu CLK_DRAM_FE1>; + clock-names = "ahb", "mod", + "ram"; + resets = <&ccu RST_AHB1_FE1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + fe1_out: port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + fe1_out_be0: endpoint@0 { + reg = <0>; + remote-endpoint = <&be0_in_fe1>; + }; + + fe1_out_be1: endpoint@1 { + reg = <1>; + remote-endpoint = <&be1_in_fe1>; + }; + }; + }; + }; + + be1: display-backend@01e40000 { + compatible = "allwinner,sun6i-a31-display-backend"; + reg = <0x01e40000 0x10000>; + interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_AHB1_BE1>, <&ccu CLK_BE1>, + <&ccu CLK_DRAM_BE1>; + clock-names = "ahb", "mod", + "ram"; + resets = <&ccu RST_AHB1_BE1>; + + assigned-clocks = <&ccu CLK_BE1>; + assigned-clock-rates = <300000000>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + be1_in: port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + be1_in_fe0: endpoint@0 { + reg = <0>; + remote-endpoint = <&fe0_out_be1>; + }; + + be1_in_fe1: endpoint@1 { + reg = <1>; + remote-endpoint = <&fe1_out_be1>; + }; + }; + + be1_out: port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + be1_out_drc1: endpoint@0 { + reg = <0>; + remote-endpoint = <&drc1_in_be1>; + }; + }; + }; + }; + + drc1: drc@01e50000 { + compatible = "allwinner,sun6i-a31-drc"; + reg = <0x01e50000 0x10000>; + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_AHB1_DRC1>, <&ccu CLK_IEP_DRC1>, + <&ccu CLK_DRAM_DRC1>; + clock-names = "ahb", "mod", + "ram"; + resets = <&ccu RST_AHB1_DRC1>; + + assigned-clocks = <&ccu CLK_IEP_DRC1>; + assigned-clock-rates = <300000000>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + drc1_in: port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + drc1_in_be1: endpoint@0 { + reg = <0>; + remote-endpoint = <&be1_out_drc1>; + }; + }; + + drc1_out: port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + drc1_out_tcon1: endpoint@0 { + reg = <0>; + remote-endpoint = <&tcon1_in_drc1>; + }; }; }; }; @@ -926,6 +1087,11 @@ reg = <0>; remote-endpoint = <&fe0_out_be0>; }; + + be0_in_fe1: endpoint@1 { + reg = <1>; + remote-endpoint = <&fe1_out_be0>; + }; };
be0_out: port@1 {