boards: arm: stm32h750b_dk: add support for display (6e56de34) · Commits · Wenxi XU / zephyr

boards/st/stm32h750b_dk/Kconfig.defconfig

0 → 100644

+17 −0

Original line number	Diff line number	Diff line
		# STM32H750B DISCOVERY board configuration

		# Copyright (c) 2024 STMicroelectronics
		# SPDX-License-Identifier: Apache-2.0

		if BOARD_STM32H750B_DK

		if DISPLAY

		# MEMC needs to be enabled in order to store
		# display buffer to external SDRAM connected to FMC
		config MEMC
		default y

		endif # DISPLAY

		endif # BOARD_STM32H750B_DK

+56 −6

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,flash-controller = &mt25ql512ab1;
		zephyr,display = &ltdc;
		};

		sdram2: sdram@d0000000 {
		@@ -75,6 +76,45 @@
		status = "okay";
		};

		&ltdc {
		pinctrl-0 = <&ltdc_r0_pi15 &ltdc_r1_pj0 &ltdc_r2_pj1 &ltdc_r3_ph9
		&ltdc_r4_pj3 &ltdc_r5_pj4 &ltdc_r6_pj5 &ltdc_r7_pj6
		&ltdc_g0_pj7 &ltdc_g1_pj8 &ltdc_g2_pj9 &ltdc_g3_pj10
		&ltdc_g4_pj11 &ltdc_g5_pi0 &ltdc_g6_pi1 &ltdc_g7_pk2
		&ltdc_b0_pj12 &ltdc_b1_pj13 &ltdc_b2_pj14 &ltdc_b3_pj15
		&ltdc_b4_pk3 &ltdc_b5_pk4 &ltdc_b6_pk5 &ltdc_b7_pk6
		&ltdc_de_pk7 &ltdc_clk_pi14 &ltdc_hsync_pi12 &ltdc_vsync_pi9>;
		pinctrl-names = "default";

		disp-on-gpios = <&gpiod 7 GPIO_ACTIVE_HIGH>;

		ext-sdram = <&sdram2>;
		status = "okay";

		clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000008>,
		<&rcc STM32_SRC_PLL3_R NO_SEL>;

		width = <480>;
		height = <272>;
		pixel-format = <PANEL_PIXEL_FORMAT_RGB_565>;
		display-timings {
		compatible = "zephyr,panel-timing";
		de-active = <1>;
		pixelclk-active = <0>;
		hsync-active = <0>;
		vsync-active = <0>;
		hsync-len = <1>;
		vsync-len = <10>;
		hback-porch = <43>;
		vback-porch = <12>;
		hfront-porch = <8>;
		vfront-porch = <4>;
		};
		def-back-color-red = <0xFF>;
		def-back-color-green = <0xFF>;
		def-back-color-blue = <0xFF>;
		};

		&pll {
		div-m = <5>;
		mul-n = <192>;
		@@ -85,6 +125,16 @@
		status = "okay";
		};

		&pll3 {
		div-m = <5>;
		mul-n = <192>;
		div-p = <2>;
		div-q = <20>;
		div-r = <99>;
		clocks = <&clk_hse>;
		status = "okay";
		};

		&rcc {
		clocks = <&pll>;
		clock-frequency = <DT_FREQ_M(480)>;