Re: [PATCH v7 11/13] ARM: sun8i: v3s: add device nodes for DE2 display pipeline

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在 2017-05-15 17:24,Maxime Ripard 写道:
On Mon, May 15, 2017 at 12:30:43AM +0800, Icenowy Zheng wrote:
+		de2_clocks: clock@1000000 {

display_clocks would be better there, we don't have to dissociate de1
with de2

How about de_clocks ? (See A80 DTSI)


+			compatible = "allwinner,sun8i-v3s-de2-clk";
+			reg = <0x01000000 0x100000>;
+			clocks = <&ccu CLK_DE>,
+				 <&ccu CLK_BUS_DE>;
+			clock-names = "mod",
+				      "bus";
+			resets = <&ccu RST_BUS_DE>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		de2_mixer0: mixer@1100000 {

and mixer0 here is enough too.

Is there several of them? Why not just use mixer if there's only one?

Nope, here it's tagged 0 only for consistency with other SoCs.


+			compatible = "allwinner,sun8i-v3s-de2-mixer";
+			reg = <0x01100000 0x100000>;
+			clocks = <&de2_clocks CLK_MIXER0>,
+				 <&de2_clocks CLK_BUS_MIXER0>;
+			clock-names = "mod",
+				      "bus";
+			resets = <&de2_clocks RST_MIXER0>;
+			assigned-clocks = <&de2_clocks CLK_MIXER0>;
+			assigned-clock-rates = <150000000>;
+
+			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>;
+					};
+				};
+			};
+		};
+
+		tcon0: lcd-controller@1c0c000 {
+			compatible = "allwinner,sun8i-v3s-tcon";
+			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>;
+			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_out: port@1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+				};
+			};
+		};
+
+

You have an extra new line here.

Maxime
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