Re: [PATCH 10/10] ARM: dts: stm32: support display on stm32f746-disco board
On 9/3/23 22:48, Dario Binacchi wrote:
> 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
>
> ---
>
> arch/arm/dts/stm32f746-disco-u-boot.dtsi | 89 ++--
> arch/arm/dts/stm32f746-disco.dts | 44
> 2 files changed, 66 insertions(+), 67 deletions(-)
>
> diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> index 3c2b9fc59512..1b42d6cbbc19 100644
> --- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> +++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> @@ -23,12 +23,6 @@
> spi0 =
> };
>
> - backlight: backlight {
> - compatible = "gpio-backlight";
> - gpios = < 3 0>;
> - status = "okay";
> - };
> -
> button1 {
> compatible = "st,button1";
> button-gpio = < 11 0>;
> @@ -38,37 +32,10 @@
> compatible = "st,led1";
> led-gpio = < 1 0>;
> };
> -
> - panel-rgb@0 {
> - compatible = "simple-panel";
> - backlight = <>;
> - enable-gpios = < 12 0>;
> - status = "okay";
> -
> - display-timings {
> - timing@0 {
> - clock-frequency = <900>;
> - 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>;
> - };
> - };
> - };
> };
>
> {
> clocks = < 0 STM32F7_APB2_CLOCK(LTDC)>;
> - pinctrl-0 = <_pins>;
> - status = "okay";
> bootph-all;
> };
>
> @@ -96,6 +63,28 @@
> };
> };
>
> +_rgb {
> + compatible = "simple-panel";
> +
> + display-timings {
> + timing@0 {
> + clock-frequency = <900>;
> + 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>;
> + };
> + };
> +};
> +
> {
> ethernet_mii: mii@0 {
> pins {
> @@ -160,40 +149,6 @@
> };
> };
>
> - ltdc_pins: ltdc@0 {
> - pins {
> - pinmux = , /* B0 */
> - , /* B4 */
> - , /* VSYNC */
> - , /* HSYNC */
> - , /* CLK */
> - , /* R0 */
> - , /* R1 */
> - , /* R2 */
> - , /* R3 */
> - , /* R4 */
> - , /* R5 */
> - , /* R6 */
> - , /* R7 */
> - , /* G0 */
> - , /* G1 */
> - , /* G2 */
> - , /* G3 */
> - , /* G4 */
> - , /* B1 */
> - , /* B2 */
> - , /* B3 */
> - , /* G5 */
> - , /* G6 */
> - , /* G7 */
> - , /* B5 */
> - , /* B6 */
> - , /* B7 */
> - ; /* DE */
> - slew-rate = <2>;
> - };
> - };
> -
> qspi_pins: qspi@0 {
> pins {
> pinmux = , /* CLK */
> diff --git a/arch/arm/dts/stm32f746-disco.dts
> b/arch/arm/dts/stm32f746-disco.dts
> index e1564d69f9f6..431275134033 100644
> --- a/arch/arm/dts/stm32f746-disco.dts
> +++ b/arch/arm/dts/stm32f746-disco.dts
> @@ -25,6 +25,19 @@
> reg = <0xC000 0x80>;
> };
>
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
Re: [PATCH 10/10] ARM: dts: stm32: support display on stm32f746-disco board
On 9/3/23 22:48, Dario Binacchi wrote:
> 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
>
> ---
>
> arch/arm/dts/stm32f746-disco-u-boot.dtsi | 89 ++--
> arch/arm/dts/stm32f746-disco.dts | 44
> 2 files changed, 66 insertions(+), 67 deletions(-)
>
> diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> index 3c2b9fc59512..1b42d6cbbc19 100644
> --- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> +++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> @@ -23,12 +23,6 @@
> spi0 =
> };
>
> - backlight: backlight {
> - compatible = "gpio-backlight";
> - gpios = < 3 0>;
> - status = "okay";
> - };
> -
> button1 {
> compatible = "st,button1";
> button-gpio = < 11 0>;
> @@ -38,37 +32,10 @@
> compatible = "st,led1";
> led-gpio = < 1 0>;
> };
> -
> - panel-rgb@0 {
> - compatible = "simple-panel";
> - backlight = <>;
> - enable-gpios = < 12 0>;
> - status = "okay";
> -
> - display-timings {
> - timing@0 {
> - clock-frequency = <900>;
> - 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>;
> - };
> - };
> - };
> };
>
> {
> clocks = < 0 STM32F7_APB2_CLOCK(LTDC)>;
> - pinctrl-0 = <_pins>;
> - status = "okay";
> bootph-all;
> };
>
> @@ -96,6 +63,28 @@
> };
> };
>
> +_rgb {
> + compatible = "simple-panel";
> +
> + display-timings {
> + timing@0 {
> + clock-frequency = <900>;
> + 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>;
> + };
> + };
> +};
> +
> {
> ethernet_mii: mii@0 {
> pins {
> @@ -160,40 +149,6 @@
> };
> };
>
> - ltdc_pins: ltdc@0 {
> - pins {
> - pinmux = , /* B0 */
> - , /* B4 */
> - , /* VSYNC */
> - , /* HSYNC */
> - , /* CLK */
> - , /* R0 */
> - , /* R1 */
> - , /* R2 */
> - , /* R3 */
> - , /* R4 */
> - , /* R5 */
> - , /* R6 */
> - , /* R7 */
> - , /* G0 */
> - , /* G1 */
> - , /* G2 */
> - , /* G3 */
> - , /* G4 */
> - , /* B1 */
> - , /* B2 */
> - , /* B3 */
> - , /* G5 */
> - , /* G6 */
> - , /* G7 */
> - , /* B5 */
> - , /* B6 */
> - , /* B7 */
> - ; /* DE */
> - slew-rate = <2>;
> - };
> - };
> -
> qspi_pins: qspi@0 {
> pins {
> pinmux = , /* CLK */
> diff --git a/arch/arm/dts/stm32f746-disco.dts
> b/arch/arm/dts/stm32f746-disco.dts
> index e1564d69f9f6..431275134033 100644
> --- a/arch/arm/dts/stm32f746-disco.dts
> +++ b/arch/arm/dts/stm32f746-disco.dts
> @@ -25,6 +25,19 @@
> reg = <0xC000 0x80>;
> };
>
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
[PATCH 10/10] ARM: dts: stm32: support display on stm32f746-disco board
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
---
arch/arm/dts/stm32f746-disco-u-boot.dtsi | 89 ++--
arch/arm/dts/stm32f746-disco.dts | 44
2 files changed, 66 insertions(+), 67 deletions(-)
diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
index 3c2b9fc59512..1b42d6cbbc19 100644
--- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -23,12 +23,6 @@
spi0 =
};
- backlight: backlight {
- compatible = "gpio-backlight";
- gpios = < 3 0>;
- status = "okay";
- };
-
button1 {
compatible = "st,button1";
button-gpio = < 11 0>;
@@ -38,37 +32,10 @@
compatible = "st,led1";
led-gpio = < 1 0>;
};
-
- panel-rgb@0 {
- compatible = "simple-panel";
- backlight = <>;
- enable-gpios = < 12 0>;
- status = "okay";
-
- display-timings {
- timing@0 {
- clock-frequency = <900>;
- 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>;
- };
- };
- };
};
{
clocks = < 0 STM32F7_APB2_CLOCK(LTDC)>;
- pinctrl-0 = <_pins>;
- status = "okay";
bootph-all;
};
@@ -96,6 +63,28 @@
};
};
+_rgb {
+ compatible = "simple-panel";
+
+ display-timings {
+ timing@0 {
+ clock-frequency = <900>;
+ 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>;
+ };
+ };
+};
+
{
ethernet_mii: mii@0 {
pins {
@@ -160,40 +149,6 @@
};
};
- ltdc_pins: ltdc@0 {
- pins {
- pinmux = , /* B0 */
-, /* B4 */
-, /* VSYNC */
-, /* HSYNC */
-, /* CLK */
-, /* R0 */
-, /* R1 */
-, /* R2 */
-, /* R3 */
-, /* R4 */
-, /* R5 */
-, /* R6 */
-, /* R7 */
-, /* G0 */
-, /* G1 */
-, /* G2 */
-, /* G3 */
-, /* G4 */
-, /* B1 */
-, /* B2 */
-, /* B3 */
-, /* G5 */
-, /* G6 */
-, /* G7 */
-, /* B5 */
-, /* B6 */
-, /* B7 */
-; /* DE */
- slew-rate = <2>;
- };
- };
-
qspi_pins: qspi@0 {
pins {
pinmux = , /* CLK */
diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts
index e1564d69f9f6..431275134033 100644
--- a/arch/arm/dts/stm32f746-disco.dts
+++ b/arch/arm/dts/stm32f746-disco.dts
@@ -25,6 +25,19 @@
reg = <0xC000 0x80>;
};
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+
