linux-kernel - Re: [PATCH v8 5/5] ARM: dts: add stm32f769-disco-mb1225-revb03-mb1166-reva09

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Date: Tue, 23 Jan 2024 17:36:12 +0100
From: Alexandre TORGUE <alexandre.torgue@...s.st.com>
To: Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        <linux-kernel@...r.kernel.org>
CC: <linux-amarula@...rulasolutions.com>, Lee Jones <lee@...nel.org>,
        Raphael
 Gallais-Pou <raphael.gallais-pou@...s.st.com>,
        Linus Walleij
	<linus.walleij@...aro.org>,
        Andre Przywara <andre.przywara@....com>,
        Baruch
 Siach <baruch@...s.co.il>, Conor Dooley <conor+dt@...nel.org>,
        Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Leonard Göhrs
	<l.goehrs@...gutronix.de>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Peter
 Rosin <peda@...ntia.se>, Rob Herring <robh+dt@...nel.org>,
        Sean Nyekjaer
	<sean@...nix.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH v8 5/5] ARM: dts: add
 stm32f769-disco-mb1225-revb03-mb1166-reva09

Hi Dario

On 1/12/24 15:48, Dario Binacchi wrote:
> As reported in the section 8.3 (i. e. Board revision history) of document
> UM2033 (i. e. Discovery kit with STM32F769NI MCU) these are the changes
> related to the board revisions addressed by the patch:
> - Board MB1225 revision B-03:
>    - Memory MICRON MT48LC4M32B2B5-6A replaced by ISSI IS42S32400F-6BL
> - Board MB1166 revision A-09:
>    - LCD FRIDA FRD397B25009-D-CTK replaced by FRIDA FRD400B25025-A-CTK
> 
> The patch only adds the DTS support for the new display which belongs to
> to the Novatek NT35510-based panel family.
> 
> Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Reviewed-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
> 

I still have YAML error. Do you have same on your side or maybe I missed 
a dt-binding patch somewhere ?

/arch/arm/boot/dts/st/stm32f769-disco-mb1225-revb03-mb1166-reva09.dtb: 
dsi@...16c00: Unevaluated properties are not allowed ('interrupts', 
'panel-dsi@0' were unexpected)
	from schema $id: http://devicetree.org/schemas/display/st,stm32-dsi.yaml#
/arch/arm/boot/dts/st/stm32f769-disco-mb1225-revb03-mb1166-reva09.dtb: 
panel-dsi@0: 'port' does not match any of the regexes: 'pinctrl-[0-9]+'
	from schema $id: 
http://devicetree.org/schemas/display/panel/novatek,nt35510.yaml#

Aside that, I just have a cosmetic question. Can we find a shorter name 
for the board ? (not sure we can).

Cheers
Alex



> ---
> 
> Changes in v8:
> - Add Reviewed-by tag of Linus Walleij
> - Add Reviewed-by tag of Raphael Gallais-Pou
> 
> Changes in v7:
> - Replace .dts with .dtb in the Makefile
> 
> Changes in v6:
> - Drop patches
>    - [5/8] dt-bindings: nt35510: add compatible for FRIDA FRD400B25025-A-CTK
>    - [7/8] drm/panel: nt35510: move hardwired parameters to configuration
>    - [8/8] drm/panel: nt35510: support FRIDA FRD400B25025-A-CTK
>    because applied by the maintainer Linus Walleij
> 
> Changes in v5:
> - Replace GPIOD_ASIS with GPIOD_OUT_HIGH in the call to devm_gpiod_get_optional().
> 
> Changes in v2:
> - Change the status of panel_backlight node to "disabled"
> - Delete backlight property from panel0 node.
> - Re-write the patch [8/8] "drm/panel: nt35510: support FRIDA FRD400B25025-A-CTK"
>    in the same style as the original driver.
> 
>   arch/arm/boot/dts/st/Makefile                  |  1 +
>   ...2f769-disco-mb1225-revb03-mb1166-reva09.dts | 18 ++++++++++++++++++
>   2 files changed, 19 insertions(+)
>   create mode 100644 arch/arm/boot/dts/st/stm32f769-disco-mb1225-revb03-mb1166-reva09.dts
> 
> diff --git a/arch/arm/boot/dts/st/Makefile b/arch/arm/boot/dts/st/Makefile
> index 7892ad69b441..aa5b50d7ac61 100644
> --- a/arch/arm/boot/dts/st/Makefile
> +++ b/arch/arm/boot/dts/st/Makefile
> @@ -23,6 +23,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
>   	stm32f469-disco.dtb \
>   	stm32f746-disco.dtb \
>   	stm32f769-disco.dtb \
> +	stm32f769-disco-mb1225-revb03-mb1166-reva09.dtb \
>   	stm32429i-eval.dtb \
>   	stm32746g-eval.dtb \
>   	stm32h743i-eval.dtb \
> diff --git a/arch/arm/boot/dts/st/stm32f769-disco-mb1225-revb03-mb1166-reva09.dts b/arch/arm/boot/dts/st/stm32f769-disco-mb1225-revb03-mb1166-reva09.dts
> new file mode 100644
> index 000000000000..014cac192375
> --- /dev/null
> +++ b/arch/arm/boot/dts/st/stm32f769-disco-mb1225-revb03-mb1166-reva09.dts
> @@ -0,0 +1,18 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2023 Dario Binacchi <dario.binacchi@...rulasolutions.com>
> + */
> +
> +#include "stm32f769-disco.dts"
> +
> +&panel_backlight {
> +	status = "disabled";
> +};
> +
> +&panel0 {
> +	compatible = "frida,frd400b25025", "novatek,nt35510";
> +	vddi-supply = <&vcc_3v3>;
> +	vdd-supply = <&vcc_3v3>;
> +	/delete-property/backlight;
> +	/delete-property/power-supply;
> +};