From cb07932e2ae057bbe39b2bd77ba8b114eeb57e86 Mon Sep 17 00:00:00 2001
From: Ioannis Karachalios <ioannis.karachalios.px@renesas.com>
Date: Sun, 25 Feb 2024 20:30:45 +0200
Subject: [PATCH] boards: renesas: smartbond: Add support for the display
 driver class.

Update board's DTS configurations to support the Renesas LCD controller.

(cherry picked from commit 4a83b9955af0c4205f69d3f93039bfb4e1c396ea)

Original-Signed-off-by: Ioannis Karachalios <ioannis.karachalios.px@renesas.com>
GitOrigin-RevId: 4a83b9955af0c4205f69d3f93039bfb4e1c396ea
Change-Id: I6ac6df3f97f77a613ba94c399c96704a612aed34
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5356058
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Reviewed-by: Tristan Honscheid <honscheid@google.com>
Tested-by: Tristan Honscheid <honscheid@google.com>
Commit-Queue: Tristan Honscheid <honscheid@google.com>
---
 boards/renesas/da1469x_dk_pro/Kconfig.defconfig   |  8 ++++++++
 .../da1469x_dk_pro/da1469x_dk_pro-pinctrl.dtsi    | 15 +++++++++++++++
 boards/renesas/da1469x_dk_pro/da1469x_dk_pro.dts  |  4 ++++
 boards/renesas/da1469x_dk_pro/da1469x_dk_pro.yaml |  1 +
 4 files changed, 28 insertions(+)

diff --git a/boards/renesas/da1469x_dk_pro/Kconfig.defconfig b/boards/renesas/da1469x_dk_pro/Kconfig.defconfig
index 90e48078674..c0f49a23a2e 100644
--- a/boards/renesas/da1469x_dk_pro/Kconfig.defconfig
+++ b/boards/renesas/da1469x_dk_pro/Kconfig.defconfig
@@ -14,6 +14,14 @@ config LV_Z_BITS_PER_PIXEL
 config LV_Z_AREA_X_ALIGNMENT_WIDTH
 	default 2
 
+config LV_Z_FLUSH_THREAD
+	default y
+
+# Use double buffering to avoid visual artifacts as long as
+# the DMA is copying data into driver's frame buffer.
+config LV_Z_DOUBLE_VDB
+	default y
+
 endif # LVGL
 
 if INPUT
diff --git a/boards/renesas/da1469x_dk_pro/da1469x_dk_pro-pinctrl.dtsi b/boards/renesas/da1469x_dk_pro/da1469x_dk_pro-pinctrl.dtsi
index 7fe5111302d..39daff3ff16 100644
--- a/boards/renesas/da1469x_dk_pro/da1469x_dk_pro-pinctrl.dtsi
+++ b/boards/renesas/da1469x_dk_pro/da1469x_dk_pro-pinctrl.dtsi
@@ -32,6 +32,21 @@
 		};
 	};
 
+	display_controller_default: display_controller_default {
+		group1 {
+			pinmux = <SMARTBOND_PINMUX(LCD, 1, 2)>,
+				<SMARTBOND_PINMUX(LCD, 1, 3)>,
+				<SMARTBOND_PINMUX(LCD, 1, 4)>,
+				<SMARTBOND_PINMUX(LCD, 1, 5)>,
+				<SMARTBOND_PINMUX(LCD, 1, 7)>,
+				<SMARTBOND_PINMUX(LCD, 1, 8)>,
+				<SMARTBOND_PINMUX(LCD, 0, 27)>,
+				<SMARTBOND_PINMUX(LCD, 0, 28)>,
+				<SMARTBOND_PINMUX(LCD, 0, 29)>,
+				<SMARTBOND_PINMUX(LCD, 0, 30)>;
+		};
+	};
+
 	spi_controller: spi_controller {
 		group1 {
 			pinmux = <SMARTBOND_PINMUX(SPI_CLK, 0, 22)>,
diff --git a/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.dts b/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.dts
index 826703c7c87..9c019fa3a0c 100644
--- a/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.dts
+++ b/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.dts
@@ -21,6 +21,10 @@
 		zephyr,code-partition = &slot0_partition;
 	};
 
+	lvgl_pointer {
+		compatible = "zephyr,lvgl-pointer-input";
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		red_led: led_0 {
diff --git a/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.yaml b/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.yaml
index 631615c6ffe..eb29fd6c559 100644
--- a/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.yaml
+++ b/boards/renesas/da1469x_dk_pro/da1469x_dk_pro.yaml
@@ -20,4 +20,5 @@ supported:
   - crypto
   - dma
   - mipi_dbi
+  - display
 vendor: renesas