[DO NOT MERGE] [PATCH v4 4/4] ARM: dts: sun8i: bananapi-m2m: Enable S070WV20-CT16 panel

[Jagan Teki <jagan@amarulasolutions.com>]

This patch add support for Bananapi S070WV20-CT16 panel to
BPI-M2M board.

Bananapi S070WV20-CT16 is a pure RGB output panel with ICN6211 DSI/RGB
converter bridge, so enable bridge along with associated panel.

DSI panel connected via board DSI port with,
- DCDC1 as VCC-DSI supply
- PL5 gpio for bridge enable gpio pin
- PB7 gpio for lcd enable gpio pin
- PL4 gpio for backlight enable pin

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
Changes for v4:
- replace reset with enable-gpios
Changes for v3:
- none 

 arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts | 85 ++++++++++++++++++++
 1 file changed, 85 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts b/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts
index 293016d081cd..6f33e1ae8ffc 100644
--- a/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts
+++ b/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts
@@ -44,6 +44,7 @@
 #include "sun8i-a33.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
 	model = "BananaPi M2 Magic";
@@ -55,12 +56,21 @@ aliases {
 		i2c2 = &i2c2;
 		serial0 = &uart0;
 		serial1 = &uart1;
+		mmc0 = &mmc0;
 	};
 
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <1 2 4 8 16 32 64 128 255>;
+		default-brightness-level = <8>;
+		enable-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* LCD-BL-EN: PL4 */
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -81,6 +91,18 @@ led-2 {
 		};
 	};
 
+	panel {
+		compatible = "bananapi,s070wv20-ct16";
+		enable-gpios = <&pio 1 7 GPIO_ACTIVE_HIGH>; /* LCD-PWR-EN: PB7 */
+		backlight = <&backlight>;
+
+		port {
+			panel_out_bridge: endpoint {
+				remote-endpoint = <&bridge_out_panel>;
+			};
+		};
+	};
+
 	reg_vcc5v0: vcc5v0 {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0";
@@ -122,6 +144,59 @@ &dai {
 	status = "okay";
 };
 
+&de {
+	status = "okay";
+};
+
+&dphy {
+	status = "okay";
+};
+
+&dsi {
+	vcc-dsi-supply = <&reg_dcdc1>;		/* VCC-DSI */
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dsi_out: port@0 {
+			reg = <0>;
+
+			dsi_out_bridge: endpoint {
+				remote-endpoint = <&bridge_out_dsi>;
+			};
+		};
+	};
+
+	bridge@0 {
+		compatible = "chipone,icn6211";
+		reg = <0>;
+		enable-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* LCD-RST: PL5 */
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bridge_in: port@0 {
+				reg = <0>;
+
+				bridge_out_dsi: endpoint {
+					remote-endpoint = <&dsi_out_bridge>;
+				};
+			};
+
+			bridge_out: port@1 {
+				reg = <1>;
+
+				bridge_out_panel: endpoint {
+					remote-endpoint = <&panel_out_bridge>;
+				};
+			};
+		};
+	};
+};
+
 &ehci0 {
 	status = "okay";
 };
@@ -157,6 +232,12 @@ &ohci0 {
 	status = "okay";
 };
 
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pin>;
+	status = "okay";
+};
+
 &r_rsb {
 	status = "okay";
 
@@ -269,6 +350,10 @@ &sound {
 	status = "okay";
 };
 
+&tcon0 {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;
-- 
2.25.1