boards: esp32: display for m5stickc_plus

add the st7789v LCD as the display

Co-authored-by: Benjamin Cabé <benjamin@zephyrproject.org>
Signed-off-by: Julien Vermillard <julien@vermillard.com>

boards/m5stack/m5stickc_plus/m5stickc_plus-pinctrl.dtsi

@@ -37,24 +37,18 @@
 		pinmux = <SPIM2_CSEL_GPIO16>;
 	};
 
-	spim3_miso_gpio25: spim3_miso_gpio25 {
-		pinmux = <SPIM3_MISO_GPIO25>;
+	spim3_default: spim3_default {
+		group1 {
+			pinmux = <SPIM3_MISO_GPIO36>,
+				 <SPIM3_SCLK_GPIO13>,
+				 <SPIM3_CSEL_GPIO5>;
+		};
+		group2 {
+			pinmux = <SPIM3_MOSI_GPIO15>;
+			output-low;
+		};
 	};
 
-	spim3_mosi_gpio15: spim3_mosi_gpio15 {
-		pinmux = <SPIM3_MOSI_GPIO15>;
-		output-low;
-	};
-
-	spim3_sclk_gpio13: spim3_sclk_gpio13 {
-		pinmux = <SPIM3_SCLK_GPIO13>;
-	};
-
-	spim3_csel_gpio5: spim3_csel_gpio5 {
-		pinmux = <SPIM3_CSEL_GPIO5>;
-	};
-
-
 	i2c0_default: i2c0_default {
 		group1 {
 			pinmux = <I2C0_SDA_GPIO21>,

boards/m5stack/m5stickc_plus/m5stickc_plus_procpu.dts

@@ -32,6 +32,7 @@
 		zephyr,flash = &flash0;
 		zephyr,code-partition = &slot0_partition;
 		zephyr,rtc = &bm8563;
+		zephyr,display = &st7789v;
 	};
 
 	leds {
@@ -157,9 +158,36 @@
 	#address-cells = <1>;
 	#size-cells = <0>;
 	status = "okay";
-	pinctrl-0 = <&spim3_miso_gpio25 &spim3_mosi_gpio15
-				&spim3_sclk_gpio13 &spim3_csel_gpio5>;
+	pinctrl-0 = <&spim3_default>;
 	pinctrl-names = "default";
+	st7789v: st7789v@0 {
+		compatible = "sitronix,st7789v";
+		reg = <0>;
+		spi-max-frequency = <20000000>;
+		cmd-data-gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+
+		width = <135>;
+		height = <240>;
+		x-offset = <53>;
+		y-offset = <40>;
+
+		vcom = <0x28>;
+		gctrl = <0x35>;
+		vrhs = <0x10>;
+		vdvs = <0x20>;
+		mdac = <0x00>;
+		gamma = <0x01>;
+		colmod = <0x55>;
+		lcm = <0x2c>;
+		porch-param = [0c 0c 00 33 33];
+		cmd2en-param = [5a 69 02 00];
+		pwctrl1-param = [a4 a1];
+		pvgam-param = [d0 00 02 07 0a 28 32 44 42 06 0e 12 14 17];
+		nvgam-param = [d0 00 02 07 0a 28 31 54 47 0e 1c 17 1b 1e];
+		ram-param = [00 F0];
+		rgb-param = [40 02 14];
+	};
 };
 
 &timer0 {

boards/m5stack/m5stickc_plus/m5stickc_plus_procpu.yaml

@@ -13,6 +13,7 @@ supported:
   - pinmux
   - nvs
   - regulator
+  - display
 testing:
   ignore_tags:
     - net