board/arm/rp2040: support config st7789 reset gpio pin

Signed-off-by: Zhu Zhongjie <[email protected]>
apache · Feb 19, 2025 · 31d9569 · 31d9569
1 parent c9a8f96
commit 31d9569
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/boards/arm/rp2040/common/Kconfig b/boards/arm/rp2040/common/Kconfig
@@ -552,6 +552,12 @@ config RP2040_LCD_SPI_CH
 	range 0 1
 	---help---
 		Select SPI channel number to use LCD display.
+config LCD_ST7789_RST_GPIO
+	int "ST7789 LCD Reset gpio number"
+	default 12
+	range 0 21
+	---help---
+		Select Sitronix ST7789 TFT Controller Reset gpio.
 
 endif # LCD
 

diff --git a/boards/arm/rp2040/common/src/rp2040_st7789.c b/boards/arm/rp2040/common/src/rp2040_st7789.c
@@ -48,7 +48,7 @@
 
 #if LCD_SPI_PORTNO
 #define LCD_DC         CONFIG_RP2040_SPI1_RX_GPIO
-#define LCD_RST        12
+#define LCD_RST        CONFIG_LCD_ST7789_RST_GPIO
 #define LCD_BL         13
 #else
 #define LCD_DC         CONFIG_RP2040_SPI0_RX_GPIO
@@ -96,6 +96,7 @@ int board_lcd_initialize(void)
 
   rp2040_gpio_init(LCD_RST);
   rp2040_gpio_setdir(LCD_RST, true);
+  rp2040_gpio_put(LCD_RST, false);
   rp2040_gpio_put(LCD_RST, true);
 
   /* Set full brightness */