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

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Message-ID: <20240112144902.40044-6-dario.binacchi@amarulasolutions.com>
Date: Fri, 12 Jan 2024 15:48:25 +0100
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: linux-amarula@...rulasolutions.com,
	Lee Jones <lee@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
	Dario Binacchi <dario.binacchi@...rulasolutions.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: [PATCH v8 5/5] ARM: dts: add stm32f769-disco-mb1225-revb03-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 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>

---

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;
+};
-- 
2.43.0