[DO NOT MERGE] [PATCH v3 9/9] ARM: dts: sun8i-r40: bananapi-m2-ultra: Enable Bananapi S070WV20-CT16

[Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>]

This patch add support for Bananapi S070WV20-CT16 DSI panel to
BPI-M2U board.

DSI panel connected via board DSI port with,
- DCDC1 as VCC-DSI supply
- PH18 gpio for lcd enable pin
- PD17 gpio for lcd reset pin
- PD16 gpio for backlight enable pin

Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Changes for v3:
- none

 .../boot/dts/sun8i-r40-bananapi-m2-ultra.dts  | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
index 42d62d1ba1dc..99f84e6f15ce 100644
--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -45,6 +45,7 @@
 #include "sun8i-r40.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
 	model = "Banana Pi BPI-M2-Ultra";
@@ -55,6 +56,14 @@
 		serial0 = &uart0;
 	};
 
+	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 = <2>;
+		enable-gpios = <&pio 7 16 GPIO_ACTIVE_HIGH>; /* LCD-BL-EN: PH16 */
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -117,6 +126,24 @@
 	status = "okay";
 };
 
+&dphy {
+	status = "okay";
+};
+
+&dsi {
+	vcc-dsi-supply = <&reg_dcdc1>;		/* VCC-DSI */
+	status = "okay";
+
+	panel@0 {
+		compatible = "bananapi,s070wv20-ct16-icn6211";
+		reg = <0>;
+		enable-gpio = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* LCD-PWR-EN: PH18 */
+		reset-gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* LCD-RST: PH17 */
+		vdd-supply = <&reg_dcdc1>;
+		backlight = <&backlight>;
+	};
+};
+
 &ehci1 {
 	status = "okay";
 };
@@ -209,6 +236,12 @@
 	vcc-pg-supply = <&reg_dldo1>;
 };
 
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pin>;
+	status = "okay";
+};
+
 &reg_aldo2 {
 	regulator-min-microvolt = <2500000>;
 	regulator-max-microvolt = <2500000>;
@@ -295,6 +328,10 @@
 	regulator-name = "vdd1v2-sata";
 };
 
+&tcon_lcd0 {
+	status = "okay";
+};
+
 &tcon_tv0 {
 	status = "okay";
 };
-- 
2.18.0.321.gffc6fa0e3

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