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From: Marek Vasut <marek.vasut+renesas@mailbox.org>
To: linux-arm-kernel@lists.infradead.org
Cc: Marek Vasut <marek.vasut+renesas@mailbox.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Dave Stevenson <dave.stevenson@raspberrypi.com>,
	David Airlie <airlied@gmail.com>,
	Jessica Zhang <jesszhan0024@gmail.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Rob Herring <robh@kernel.org>, Simona Vetter <simona@ffwll.ch>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-renesas-soc@vger.kernel.org
Subject: [PATCH 2/4] drm/panel: ilitek-ili9882t: Make enable GPIO optional
Date: Sun,  9 Aug 2026 21:58:51 +0200	[thread overview]
Message-ID: <20260809200107.842945-2-marek.vasut+renesas@mailbox.org> (raw)
In-Reply-To: <20260809200107.842945-1-marek.vasut+renesas@mailbox.org>

The enable GPIO may not be accessible on the panel, make it optional.
This is the case on 10" Raspberry Pi Touch Display 2.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Jessica Zhang <jesszhan0024@gmail.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
---
 drivers/gpu/drm/panel/panel-ilitek-ili9882t.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
index 6d07fe901357e..219d048cb883f 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
@@ -787,7 +787,7 @@ static int ili9882t_add(struct ili9882t *ili)
 	if (IS_ERR(ili->pp1800))
 		return PTR_ERR(ili->pp1800);
 
-	ili->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
+	ili->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
 	if (IS_ERR(ili->enable_gpio)) {
 		dev_err(dev, "cannot get enable-gpios %ld\n",
 			PTR_ERR(ili->enable_gpio));
-- 
2.53.0


  reply	other threads:[~2026-08-09 20:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-09 19:58 [PATCH 1/4] dt-bindings: display: panel: Document 10" Raspberry Pi Touch Display 2 Marek Vasut
2026-08-09 19:58 ` Marek Vasut [this message]
2026-08-09 19:58 ` [PATCH 3/4] drm/panel: ilitek-ili9882t: Set prepare_prev_first Marek Vasut
2026-08-10  9:45   ` Neil Armstrong
2026-08-09 19:58 ` [PATCH 4/4] drm/panel: ilitek-ili9882t: Add support for Ilitek ILI79600A-based panels Marek Vasut
2026-08-09 20:17 ` [PATCH 1/4] dt-bindings: display: panel: Document 10" Raspberry Pi Touch Display 2 sashiko-bot

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