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ARM: dts: stm32: support display on stm32f746-disco board

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The patch applies the changes from Linux commit 10a970bc3ebfa ("ARM: dts:
stm32: support display on stm32f746-disco board") and removes the same
settings from stm32f746-disco-u-boot.dtsi.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
This commit is contained in:
Dario Binacchi 2023-09-03 22:48:49 +02:00 committed by Patrice Chotard
parent f0c76e7731
commit 1e4d99549f
2 changed files with 66 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
arch/arm/dts/stm32f746-disco-u-boot.dtsi
View File

@ -23,12 +23,6 @@
spi0 = &qspi;
};
backlight: backlight {
compatible = "gpio-backlight";
gpios = <&gpiok 3 0>;
status = "okay";
};
button1 {
compatible = "st,button1";
button-gpio = <&gpioi 11 0>;
@ -38,37 +32,10 @@
compatible = "st,led1";
led-gpio = <&gpioi 1 0>;
};
panel-rgb@0 {
compatible = "simple-panel";
backlight = <&backlight>;
enable-gpios = <&gpioi 12 0>;
status = "okay";
display-timings {
timing@0 {
clock-frequency = <9000000>;
hactive = <480>;
vactive = <272>;
hfront-porch = <2>;
hback-porch = <2>;
hsync-len = <41>;
vfront-porch = <2>;
vback-porch = <2>;
vsync-len = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
};
};
&ltdc {
clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
pinctrl-0 = <&ltdc_pins>;
status = "okay";
bootph-all;
};
@ -96,6 +63,28 @@
};
};
&panel_rgb {
compatible = "simple-panel";
display-timings {
timing@0 {
clock-frequency = <9000000>;
hactive = <480>;
vactive = <272>;
hfront-porch = <2>;
hback-porch = <2>;
hsync-len = <41>;
vfront-porch = <2>;
vback-porch = <2>;
vsync-len = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
};
&pinctrl {
ethernet_mii: mii@0 {
pins {
@ -160,40 +149,6 @@
};
};
ltdc_pins: ltdc@0 {
pins {
pinmux = <STM32_PINMUX('E', 4, AF14)>, /* B0 */
<STM32_PINMUX('G',12, AF9)>, /* B4 */
<STM32_PINMUX('I', 9, AF14)>, /* VSYNC */
<STM32_PINMUX('I',10, AF14)>, /* HSYNC */
<STM32_PINMUX('I',14, AF14)>, /* CLK */
<STM32_PINMUX('I',15, AF14)>, /* R0 */
<STM32_PINMUX('J', 0, AF14)>, /* R1 */
<STM32_PINMUX('J', 1, AF14)>, /* R2 */
<STM32_PINMUX('J', 2, AF14)>, /* R3 */
<STM32_PINMUX('J', 3, AF14)>, /* R4 */
<STM32_PINMUX('J', 4, AF14)>, /* R5 */
<STM32_PINMUX('J', 5, AF14)>, /* R6 */
<STM32_PINMUX('J', 6, AF14)>, /* R7 */
<STM32_PINMUX('J', 7, AF14)>, /* G0 */
<STM32_PINMUX('J', 8, AF14)>, /* G1 */
<STM32_PINMUX('J', 9, AF14)>, /* G2 */
<STM32_PINMUX('J',10, AF14)>, /* G3 */
<STM32_PINMUX('J',11, AF14)>, /* G4 */
<STM32_PINMUX('J',13, AF14)>, /* B1 */
<STM32_PINMUX('J',14, AF14)>, /* B2 */
<STM32_PINMUX('J',15, AF14)>, /* B3 */
<STM32_PINMUX('K', 0, AF14)>, /* G5 */
<STM32_PINMUX('K', 1, AF14)>, /* G6 */
<STM32_PINMUX('K', 2, AF14)>, /* G7 */
<STM32_PINMUX('K', 4, AF14)>, /* B5 */
<STM32_PINMUX('K', 5, AF14)>, /* B6 */
<STM32_PINMUX('K', 6, AF14)>, /* B7 */
<STM32_PINMUX('K', 7, AF14)>; /* DE */
slew-rate = <2>;
};
};
qspi_pins: qspi@0 {
pins {
pinmux = <STM32_PINMUX('B', 2, AF9)>, /* CLK */

44
arch/arm/dts/stm32f746-disco.dts
View File

@ -25,6 +25,19 @@
reg = <0xC0000000 0x800000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
linux,cma {
compatible = "shared-dma-pool";
no-map;
size = <0x80000>;
linux,dma-default;
};
};
aliases {
serial0 = &usart1;
};
@ -50,6 +63,25 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
backlight: backlight {
compatible = "gpio-backlight";
gpios = <&gpiok 3 GPIO_ACTIVE_HIGH>;
status = "okay";
};
panel_rgb: panel-rgb {
compatible = "rocktech,rk043fn48h";
power-supply = <&vcc_3v3>;
backlight = <&backlight>;
enable-gpios = <&gpioi 12 GPIO_ACTIVE_HIGH>;
status = "okay";
port {
panel_in_rgb: endpoint {
remote-endpoint = <&ltdc_out_rgb>;
};
};
};
};
&clk_hse {
@ -80,6 +112,18 @@
};
};
&ltdc {
pinctrl-0 = <&ltdc_pins_a>;
pinctrl-names = "default";
status = "okay";
port {
ltdc_out_rgb: endpoint {
remote-endpoint = <&panel_in_rgb>;
};
};
};
&sdio1 {
status = "okay";
vmmc-supply = <&vcc_3v3>;