From 19571e8db73b65420d940e85dcabfd859af2d27d Mon Sep 17 00:00:00 2001
From: Sadik Ozer <sadik.ozer@analog.com>
Date: Mon, 12 Feb 2024 12:05:39 +0300
Subject: [PATCH] boards: arm: adi: Enable display for MAX32672FTHR board

MAX32672FTHR board has CFAL12832C-0091B display which
is Monochrome 128x32 I2C OLED graphic display.
This commit enables LVGL stack for MAX32672FTHR board

Signed-off-by: Sadik Ozer <sadik.ozer@analog.com>
---
 boards/adi/max32672fthr/Kconfig.defconfig | 36 +++++++++++++++++++++++
 boards/adi/max32672fthr/max32672fthr.dts  | 24 +++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 boards/adi/max32672fthr/Kconfig.defconfig

diff --git a/boards/adi/max32672fthr/Kconfig.defconfig b/boards/adi/max32672fthr/Kconfig.defconfig
new file mode 100644
index 00000000000..71aa092864b
--- /dev/null
+++ b/boards/adi/max32672fthr/Kconfig.defconfig
@@ -0,0 +1,36 @@
+# MAX32672FTHR boards configuration
+
+# Copyright (c) 2024 Analog Devices, Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_MAX32672FTHR
+
+if DISPLAY
+
+if LVGL
+
+# LVGL should allocate buffers equal to size of display
+config LV_Z_VDB_SIZE
+	default 64
+
+# Default Dot Per Inch. [px/inch]
+# Used to initialize default sizes such as widgets sized, style paddings.
+config LV_DPI_DEF
+	default 128
+
+config LV_Z_BITS_PER_PIXEL
+	default 1
+
+# Use offloaded render thread
+config LV_Z_FLUSH_THREAD
+	default y
+
+choice LV_COLOR_DEPTH
+	default LV_COLOR_DEPTH_1  # 1 byte per pixel
+endchoice
+
+endif # LVGL
+
+endif # DISPLAY
+
+endif # BOARD_MAX32672FTHR
diff --git a/boards/adi/max32672fthr/max32672fthr.dts b/boards/adi/max32672fthr/max32672fthr.dts
index 16531ffe10c..67b28fc56ce 100644
--- a/boards/adi/max32672fthr/max32672fthr.dts
+++ b/boards/adi/max32672fthr/max32672fthr.dts
@@ -20,6 +20,7 @@
 		zephyr,shell-uart = &uart0;
 		zephyr,sram = &sram3;
 		zephyr,flash = &flash0;
+		zephyr,display = &ssd1306;
 	};
 
 	leds {
@@ -109,3 +110,26 @@
 &trng {
 	status = "okay";
 };
+
+&i2c2 {
+	pinctrl-0 = <&i2c2a_scl_p0_18 &i2c2a_sda_p0_19>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_FAST>;
+	status = "okay";
+
+	ssd1306: ssd1306@3d {
+		compatible = "solomon,ssd1306fb";
+		reg = <0x3d>;
+		width = <128>;
+		height = <32>;
+		segment-offset = <0>;
+		page-offset = <0>;
+		display-offset = <0>;
+		multiplex-ratio = <31>;
+		segment-remap;
+		com-invdir;
+		com-sequential;
+		prechargep = <0x22>;
+		inversion-on;
+	};
+};