arm/dts: Cebu ktd3136 backlight IC support

Cebu: 2nd backlight ktd3136 IC support
add ktd3136 config

Change-Id: I8af9fdffabb5e341542b93434bc7585ff2163893
Signed-off-by: hujing3 <hujing3@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1668611
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

qcom/bengal-cebu-display.dtsi

@@ -1,6 +1,7 @@
 #include <dt-bindings/clock/mdss-14nm-pll-clk.h>
 #include "bengal-sde-display.dtsi"
 #include "bengal-leds-aw99703.dtsi"
+#include "bengal-leds-ktd3136.dtsi"
 #include "dsi-panel-mot-dummy-qhd-video.dtsi"
 #include "dsi-panel-moto-ft8006s-dsbj-hdplus-video.dtsi"
 

qcom/bengal-leds-ktd3136.dtsi

@@ -0,0 +1,32 @@
+/* Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+&qupv3_se1_i2c {
+ status = "ok"
+    ktd3136-bl@36 {
+        compatible = "ktd,ktd3136";
+        reg = <0x37>;
+        ktd,using-lsb;
+        ktd,pwm-frequency = <100>;
+        ktd,bl-fscal-led = <0x99>;/*default 20mA*/
+        ktd,turn-on-ramp = <8>; /* Should add ms value, please check datasheet*/
+        ktd,turn-off-ramp = <8>;  /* Should add ms value, please check datasheet*/
+        ktd,pwm-trans-dim = <4>;  /* Should add ms value, please check datasheet*/
+        ktd,i2c-trans-dim = <256>;  /* Should add ms value, please check datasheet*/
+        ktd,bl-channel = <3>;
+        ktd,ovp-level = <32>; /*default 32v*/
+        ktd,switching-frequency = <1000>; /*default 1000kHz*/
+        ktd,inductor-current = <2600>; /*dfault 2600mA*/
+        ktd,flash-timeout = <500>;/*default 500ms*/
+        ktd,flash-current = <0xf>;/*default, it depends on full-scale led*/
+    };
+};