The Allwinner A80 SoC has 3 display pipelines, of which some parts are documented:
- 3x display front ends (FE), documented
- 2x display enhancement units (DEU), undocumented
- 3x display back ends (BE), documented
- 2x dynamic range controller (DRC), undocumented
- 2x LCDC/TCONs, documented
- 1x LCDC/TCON, undocumented, and probably not useable
- 1x HDMI transmitter, undocumented but DesignWare compatible
- 1x MERGE block, function unknown
This patch adds device nodes for the first 2 documented pipelines:
FE0 - DEU0 - - BE0 - DRC0 - TCON0
x
FE1 - DEU1 - - BE1 - DRC1 - TCON1
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
arch/arm/boot/dts/sun9i-a80.dtsi | 381 +++++++++++++++++++++++++++++++++++++++
1 file changed, 381 insertions(+)
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index 82a770a5ba46..6fdb4eaa2e04 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -248,6 +248,12 @@
};
};
+ de: display-engine {
+ compatible = "allwinner,sun9i-a80-display-engine";
+ allwinner,pipelines = <&fe0>, <&fe1>;
+ status = "disabled";
+ };
+
soc {
compatible = "simple-bus";
#address-cells = <1>;
@@ -523,6 +529,381 @@
#reset-cells = <1>;
};
+ fe0: display-frontend@3100000 {
+ compatible = "allwinner,sun9i-a80-display-frontend";
+ reg = <0x03100000 0x40000>;
+ interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_FE0>, <&de_clocks CLK_FE0>,
+ <&de_clocks CLK_DRAM_FE0>;
+ clock-names = "ahb", "mod",
+ "ram";
+ resets = <&de_clocks RST_FE0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fe0_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ fe0_out_deu0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&deu0_in_fe0>;
+ };
+ };
+ };
+ };
+
+ fe1: display-frontend@3140000 {
+ compatible = "allwinner,sun9i-a80-display-frontend";
+ reg = <0x03140000 0x40000>;
+ interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_FE1>, <&de_clocks CLK_FE1>,
+ <&de_clocks CLK_DRAM_FE1>;
+ clock-names = "ahb", "mod",
+ "ram";
+ resets = <&de_clocks RST_FE0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fe1_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ fe1_out_deu1: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&deu1_in_fe1>;
+ };
+ };
+ };
+ };
+
+ be0: display-backend@3200000 {
+ compatible = "allwinner,sun9i-a80-display-backend";
+ reg = <0x03200000 0x40000>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_BE0>, <&de_clocks CLK_BE0>,
+ <&de_clocks CLK_DRAM_BE0>;
+ clock-names = "ahb", "mod",
+ "ram";
+ resets = <&de_clocks RST_BE0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ be0_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ be0_in_deu0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&deu0_out_be0>;
+ };
+
+ be0_in_deu1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint =
<&deu1_out_be0>;
+ };
+ };
+
+ be0_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ be0_out_drc0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&drc0_in_be0>;
+ };
+ };
+ };
+ };
+
+ be1: display-backend@3240000 {
+ compatible = "allwinner,sun9i-a80-display-backend";
+ reg = <0x03240000 0x40000>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_BE1>, <&de_clocks CLK_BE1>,
+ <&de_clocks CLK_DRAM_BE1>;
+ clock-names = "ahb", "mod",
+ "ram";
+ resets = <&de_clocks RST_BE1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ be1_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ be1_in_deu0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&deu0_out_be1>;
+ };
+
+ be1_in_deu1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint =
<&deu1_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>;
+ };
+ };
+ };
+ };
+
+ deu0: deu@3300000 {
+ compatible = "allwinner,sun9i-a80-deu";
+ reg = <0x03300000 0x40000>;
+ interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_DEU0>,
+ <&de_clocks CLK_IEP_DEU0>,
+ <&de_clocks CLK_DRAM_DEU0>;
+ clock-names = "ahb",
+ "mod",
+ "ram";
+ resets = <&de_clocks RST_DEU0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ deu0_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ deu0_in_fe0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&fe0_out_deu0>;
+ };
+ };
+
+ deu0_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ deu0_out_be0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&be0_in_deu0>;
+ };
+
+ deu0_out_be1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint =
<&be1_in_deu0>;
+ };
+ };
+ };
+ };
+
+ deu1: deu@3340000 {
+ compatible = "allwinner,sun9i-a80-deu";
+ reg = <0x03340000 0x40000>;
+ interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_DEU1>,
+ <&de_clocks CLK_IEP_DEU1>,
+ <&de_clocks CLK_DRAM_DEU1>;
+ clock-names = "ahb",
+ "mod",
+ "ram";
+ resets = <&de_clocks RST_DEU1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ deu1_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ deu1_in_fe1: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&fe1_out_deu1>;
+ };
+ };
+
+ deu1_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ deu1_out_be0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&be0_in_deu1>;
+ };
+
+ deu1_out_be1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint =
<&be1_in_deu1>;
+ };
+ };
+ };
+ };
+
+ drc0: drc@3400000 {
+ compatible = "allwinner,sun9i-a80-drc";
+ reg = <0x03400000 0x40000>;
+ interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_DRC0>,
+ <&de_clocks CLK_IEP_DRC0>,
+ <&de_clocks CLK_DRAM_DRC0>;
+ clock-names = "ahb",
+ "mod",
+ "ram";
+ resets = <&de_clocks RST_DRC0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ drc0_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ drc0_in_be0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&be0_out_drc0>;
+ };
+ };
+
+ drc0_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ drc0_out_tcon0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&tcon0_in_drc0>;
+ };
+ };
+ };
+ };
+
+ drc1: drc@3440000 {
+ compatible = "allwinner,sun9i-a80-drc";
+ reg = <0x03440000 0x40000>;
+ interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&de_clocks CLK_BUS_DRC1>,
+ <&de_clocks CLK_IEP_DRC1>,
+ <&de_clocks CLK_DRAM_DRC1>;
+ clock-names = "ahb",
+ "mod",
+ "ram";
+ resets = <&de_clocks RST_DRC1>;
+
+ 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>;
+ };
+ };
+ };
+ };
+
+ tcon0: lcd-controller@3c00000 {
+ compatible = "allwinner,sun9i-a80-tcon-lcd";
+ reg = <0x03c00000 0x10000>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_LCD0>, <&ccu CLK_LCD0>;
+ clock-names = "ahb", "tcon-ch0";
+ resets = <&ccu RST_BUS_LCD0>, <&ccu RST_BUS_EDP>;
+ reset-names = "lcd", "edp";
+ clock-output-names = "tcon0-pixel-clock";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tcon0_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ tcon0_in_drc0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint =
<&drc0_out_tcon0>;
+ };
+ };
+
+ tcon0_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
+ };
+
+ tcon1: lcd-controller@3c10000 {
+ compatible = "allwinner,sun9i-a80-tcon-tv";
+ reg = <0x03c10000 0x10000>;
+ interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_LCD1>, <&ccu CLK_LCD1>;
+ clock-names = "ahb", "tcon-ch1";
+ resets = <&ccu RST_BUS_LCD1>, <&ccu RST_BUS_EDP>;
+ reset-names = "lcd", "edp";
+
+ 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>;
+ };
+ };
+ };
+
ccu: clock@6000000 {
compatible = "allwinner,sun9i-a80-ccu";
reg = <0x06000000 0x800>;
--
2.16.2
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