linux-kernel - [PATCH v10 5/5] ARM: dts: add stm32f769-disco-mb1166-reva09

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Message-ID: <20240127152853.65937-6-dario.binacchi@amarulasolutions.com>
Date: Sat, 27 Jan 2024 16:28:49 +0100
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: linux-amarula@...rulasolutions.com,
	Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
	Lee Jones <lee@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Dario Binacchi <dario.binacchi@...rulasolutions.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Andre Przywara <andre.przywara@....com>,
	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>,
	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: [PATCH v10 5/5] ARM: dts: add stm32f769-disco-mb1166-reva09

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 revision addressed by the patch:
- Board MB1166 revision A-09:
  - LCD FRIDA FRD397B25009-D-CTK replaced by FRIDA FRD400B25025-A-CTK

The patch adds the DTS support for the new display which belongs to the
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>

---

Changes in v10:
- Drop backlight references

Changes in v9:
- Change commit message
- Rename stm32f769-disco-mb1225-revb03-mb1166-reva09 to
  stm32f769-disco-mb1166-reva09

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 +
 .../boot/dts/st/stm32f769-disco-mb1166-reva09.dts   | 13 +++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 arch/arm/boot/dts/st/stm32f769-disco-mb1166-reva09.dts

diff --git a/arch/arm/boot/dts/st/Makefile b/arch/arm/boot/dts/st/Makefile
index 7892ad69b441..9fedd6776208 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-mb1166-reva09.dtb \
 	stm32429i-eval.dtb \
 	stm32746g-eval.dtb \
 	stm32h743i-eval.dtb \
diff --git a/arch/arm/boot/dts/st/stm32f769-disco-mb1166-reva09.dts b/arch/arm/boot/dts/st/stm32f769-disco-mb1166-reva09.dts
new file mode 100644
index 000000000000..ff7ff32371d0
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32f769-disco-mb1166-reva09.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023 Dario Binacchi <dario.binacchi@...rulasolutions.com>
+ */
+
+#include "stm32f769-disco.dts"
+
+&panel0 {
+	compatible = "frida,frd400b25025", "novatek,nt35510";
+	vddi-supply = <&vcc_3v3>;
+	vdd-supply = <&vcc_3v3>;
+	/delete-property/power-supply;
+};
-- 
2.43.0