From 12554247bbc9fd1e18a979de60b90a2759fb5c4e Mon Sep 17 00:00:00 2001
From: Huy Duong <huy.duong@ologn.tech>
Date: Fri, 27 Sep 2024 13:57:45 +0700
Subject: [PATCH] Enable GC9A01 display driver

---
 .../boot/dts/rv1103g-luckfox-pico-mini-b.dts  | 98 ++++++++++++++++++-
 .../configs/luckfox_rv1106_linux_defconfig    |  3 +-
 2 files changed, 98 insertions(+), 3 deletions(-)

diff --git a/sysdrv/source/kernel/arch/arm/boot/dts/rv1103g-luckfox-pico-mini-b.dts b/sysdrv/source/kernel/arch/arm/boot/dts/rv1103g-luckfox-pico-mini-b.dts
index 7567b3846..4abcbf37a 100755
--- a/sysdrv/source/kernel/arch/arm/boot/dts/rv1103g-luckfox-pico-mini-b.dts
+++ b/sysdrv/source/kernel/arch/arm/boot/dts/rv1103g-luckfox-pico-mini-b.dts
@@ -51,13 +51,109 @@
 	dr_mode = "peripheral";
 };
 
+&pinctrl {
+	lcd {
+		gc9a01_pins: gc9a01-pins {
+			rockchip,pins =
+				/* lcd_reset */
+				<1 RK_PD0 1 &pcfg_pull_none_drv_level_3>,
+				/* lcd_dc */
+				<1 RK_PD1 1 &pcfg_pull_none_drv_level_3>,
+				/* lcd_led */
+				<1 RK_PD2 1 &pcfg_pull_none_drv_level_3>;
+		};
+	};
+};
+
 /**********SPI**********/
 /* SPI0_M0 */
 &spi0 {
-	status = "disabled";
+	status = "okay";
+
 	spidev@0 {
+		status = "disabled";
 		spi-max-frequency = <50000000>;
 	};
+
+	fbtft@0 {
+		status = "disabled";
+	};
+
+  	gc9a01@0 {
+		compatible = "ilitek,ili9340";
+		reg = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&gc9a01_pins>;
+		reset = <&gpio1 RK_PD0 GPIO_ACTIVE_LOW>;
+		dc = <&gpio1 RK_PD1 GPIO_ACTIVE_HIGH>;
+		led-gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_LOW>;
+		spi-max-frequency = <8000000>;
+		buswidth = <8>;
+		width = <240>;
+		height = <240>;
+		rotate = <0>;
+		fps = <50>;
+		bgr;
+		debug = <0>;
+		init = <
+			0x01000011 /* Sleep mode OFF */
+			0x02000078 /* Delay 120ms */
+			0x010000EF /* Inter register enable 2 */
+			0x010000EB 0x14
+			/* BEGIN set inter_command HIGH */
+			0x010000FE /* Inter register enable 1 */
+			0x010000EF /* Inter register enable 2 */
+			/* END set inter_command HIGH */
+			0x010000EB 0x14
+			0x01000084 0x40
+			0x01000085 0xFF
+			0x01000086 0xFF
+			0x01000087 0xFF
+			0x01000088 0x0A
+			0x01000089 0x21
+			0x0100008A 0x00
+			0x0100008B 0x80
+			0x0100008C 0x01
+			0x0100008D 0x01
+			0x0100008E 0xFF
+			0x0100008F 0xFF
+			0x010000B6 0x00 0x00 /* Display function control */
+			0x01000036 0x08 /* Memory access control */
+			0x0100003A 0x05 /* Pixel format */
+			0x01000090 0x08 0x08 0x08 0x08
+			0x010000BD 0x06
+			0x010000BC 0x00
+			0x010000FF 0x60 0x01 0x04
+			0x010000C3 0x13 /* Voltage regulator 1a */
+			0x010000C4 0x13 /* Voltage regulator 1b */
+			0x010000C9 0x22 /* Voltage regulator 2a */
+			0x010000BE 0x11
+			0x010000E1 0x10 0x0E
+			0x010000DF 0x21 0x0c 0x02
+			0x010000F0 0x45 0x09 0x08 0x08 0x26 0x2A /* Set gamma1 */
+			0x010000F1 0x43 0x70 0x72 0x36 0x37 0x6F /* Set gamma2 */
+			0x010000F2 0x45 0x09 0x08 0x08 0x26 0x2A /* Set gamma3 */
+			0x010000F3 0x43 0x70 0x72 0x36 0x37 0x6F /* Set gamma4 */
+			0x010000ED 0x1B 0x0B
+			0x010000AE 0x77
+			0x010000CD 0x63
+			0x01000070 0x07 0x07 0x04 0x0E 0x0F 0x09 0x07 0x08 0x03
+			0x010000E8 0x34 /* Frame rate */
+			0x01000062 0x18 0x0D 0x71 0xED 0x70 0x70 0x18 0x0F 0x71 0xEF 0x70 0x70
+			0x01000063 0x18 0x11 0x71 0xF1 0x70 0x70 0x18 0x13 0x71 0xF3 0x70 0x70
+			0x01000064 0x28 0x29 0xF1 0x01 0xF1 0x00 0x07
+			0x01000066 0x3C 0x00 0xCD 0x67 0x45 0x45 0x10 0x00 0x00 0x00
+			0x01000067 0x00 0x3C 0x00 0x00 0x00 0x01 0x54 0x10 0x32 0x98
+			0x01000074 0x10 0x85 0x80 0x00 0x00 0x4E 0x00
+			0x01000098 0x3e 0x07
+			0x01000035 /* Tearing effect ON */
+			0x01000021 /* Display inversion ON */
+			0x01000011 /* Sleep mode OFF */
+			0x0200000C /* Delay 12ms */
+			0x01000029 /* Display ON */
+			0x02000014 /* Delay 20ms */
+		>;
+  	};
 };
 
 /**********I2C**********/
diff --git a/sysdrv/source/kernel/arch/arm/configs/luckfox_rv1106_linux_defconfig b/sysdrv/source/kernel/arch/arm/configs/luckfox_rv1106_linux_defconfig
index 6373f0886..bb22b9dd4 100755
--- a/sysdrv/source/kernel/arch/arm/configs/luckfox_rv1106_linux_defconfig
+++ b/sysdrv/source/kernel/arch/arm/configs/luckfox_rv1106_linux_defconfig
@@ -276,8 +276,7 @@ CONFIG_FIQ_DEBUGGER_CONSOLE_DEFAULT_ENABLE=y
 CONFIG_RK_CONSOLE_THREAD=y
 CONFIG_FIQ_DEBUGGER_FIQ_GLUE=y
 CONFIG_FB_TFT=y
-CONFIG_FB_TFT_ST7735R=y
-CONFIG_FB_TFT_ST7789V=y
+CONFIG_FB_TFT_ILI9340=y
 CONFIG_COMMON_CLK_PROCFS=y
 # CONFIG_ARM_ARCH_TIMER_EVTSTREAM is not set
 # CONFIG_IOMMU_SUPPORT is not set