ARM: dts: sun7i: Add LVDS panel support on A20

Define pins for LVDS channels 0 and 1, configure reset line for tcon0 and
provide sample LVDS panel, connected to tcon0.

Signed-off-by: Andrey Lebedev <andrey@lebedev.lt>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 92b5be9..ffe1d10 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -47,6 +47,7 @@
 #include <dt-bindings/dma/sun4i-a10.h>
 #include <dt-bindings/clock/sun7i-a20-ccu.h>
 #include <dt-bindings/reset/sun4i-a10-ccu.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
 
 / {
        interrupt-parent = <&gic>;
@@ -404,11 +405,12 @@
                };
 
                tcon0: lcd-controller@1c0c000 {
-                       compatible = "allwinner,sun7i-a20-tcon";
+                       compatible = "allwinner,sun7i-a20-tcon0",
+                                    "allwinner,sun7i-a20-tcon";
                        reg = <0x01c0c000 0x1000>;
                        interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
-                       resets = <&ccu RST_TCON0>;
-                       reset-names = "lcd";
+                       resets = <&ccu RST_TCON0>, <&ccu RST_LVDS>;
+                       reset-names = "lcd", "lvds";
                        clocks = <&ccu CLK_AHB_LCD0>,
                                 <&ccu CLK_TCON0_CH0>,
                                 <&ccu CLK_TCON0_CH1>;
@@ -454,7 +456,8 @@
                };
 
                tcon1: lcd-controller@1c0d000 {
-                       compatible = "allwinner,sun7i-a20-tcon";
+                       compatible = "allwinner,sun7i-a20-tcon1",
+                                    "allwinner,sun7i-a20-tcon";
                        reg = <0x01c0d000 0x1000>;
                        interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
                        resets = <&ccu RST_TCON1>;
@@ -932,6 +935,20 @@
                        };
 
                        /omit-if-no-ref/
+                       lcd_lvds0_pins: lcd-lvds0-pins {
+                               pins = "PD0", "PD1", "PD2", "PD3", "PD4",
+                                      "PD5", "PD6", "PD7", "PD8", "PD9";
+                               function = "lvds0";
+                       };
+
+                       /omit-if-no-ref/
+                       lcd_lvds1_pins: lcd-lvds1-pins {
+                               pins = "PD10", "PD11", "PD12", "PD13", "PD14",
+                                      "PD15", "PD16", "PD17", "PD18", "PD19";
+                               function = "lvds1";
+                       };
+
+                       /omit-if-no-ref/
                        mmc0_pins: mmc0-pins {
                                pins = "PF0", "PF1", "PF2",
                                       "PF3", "PF4", "PF5";