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Message-Id: <20190529105615.14027-8-jagan@amarulasolutions.com>
Date:   Wed, 29 May 2019 16:26:13 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Chen-Yu Tsai <wens@...e.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Michael Trimarchi <michael@...rulasolutions.com>,
        devicetree@...r.kernel.org, linux-sunxi@...glegroups.com,
        linux-amarula@...rulasolutions.com,
        Sergey Suloev <ssuloev@...altech.com>,
        Ryan Pannell <ryan@...kl.com>, bshah@...olab.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [DO NOT MERGE] [PATCH v9 7/9] arm64: dts: allwinner: bananapi-m64: Enable Bananapi S070WV20-CT16 DSI panel

This patch add support for Bananapi S070WV20-CT16 DSI panel to
BPI-M64 board.

DSI panel connected via board DSI port with,
- DLDO1 as VCC-DSI supply
- DCDC1 as VDD supply
- PD7 gpio for lcd enable pin
- PD6 gpio for lcd reset pin
- PD5 gpio for backlight enable pin

Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
---
 .../dts/allwinner/sun50i-a64-bananapi-m64.dts | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index c2a6b73b17cf..166b9761ca83 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -45,6 +45,7 @@
 #include "sun50i-a64.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
 	model = "BananaPi-M64";
@@ -56,6 +57,14 @@
 		serial1 = &uart1;
 	};
 
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <1 2 4 8 16 32 64 128 255>;
+		default-brightness-level = <2>;
+		enable-gpios = <&pio 3 5 GPIO_ACTIVE_HIGH>; /* LCD-BL-EN: PD5 */
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -116,6 +125,24 @@
 	status = "okay";
 };
 
+&dphy {
+	status = "okay";
+};
+
+&dsi {
+	vcc-dsi-supply = <&reg_dldo1>;		/* VCC3V3-DSI */
+	status = "okay";
+
+	panel@0 {
+		compatible = "bananapi,s070wv20-ct16-icn6211";
+		reg = <0>;
+		enable-gpios = <&pio 3 7 GPIO_ACTIVE_HIGH>; /* LCD-PWR-EN: PD7 */
+		reset-gpios = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD6 */
+		vdd-supply = <&reg_dcdc1>;
+		backlight = <&backlight>;
+	};
+};
+
 &ehci0 {
 	status = "okay";
 };
@@ -206,6 +233,10 @@
 	status = "okay";
 };
 
+&r_pwm {
+	status = "okay";
+};
+
 &r_rsb {
 	status = "okay";
 
-- 
2.18.0.321.gffc6fa0e3

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