From: Marco Felsch <m.felsch@pengutronix.de>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Marek Vasut <marex@denx.de>,
Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
laurentiu.palcu@oss.nxp.com, victor.liu@nxp.com
Cc: kernel@pengutronix.de, dri-devel@lists.freedesktop.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Marco Felsch <m.felsch@pengutronix.de>
Subject: [PATCH 1/4] Revert "dt-bindings: display: bridge: ldb: Add check for reg and reg-names"
Date: Mon, 04 May 2026 22:21:41 +0200 [thread overview]
Message-ID: <20260504-v7-1-topic-ldb-fixes-v1-1-0125d937ff7f@pengutronix.de> (raw)
In-Reply-To: <20260504-v7-1-topic-ldb-fixes-v1-0-0125d937ff7f@pengutronix.de>
This reverts commit 8aa2f0ac08d3b207ba54e98698c9d696b86452a7.
The LDB is either part of the IOMUX_GPR (i.MX6SX) or the BLKCTRL
(i.MX8MP, i.MX93) register space. Both IOMUX_GPR and BLKCTRL are
register ranges with loose register definitions. E.g.
- On the i.MX8MP there is one register which controls the AXI
threshold for two different IPs (BIT(31:16) - IP1, BIT(15:0) - IP2).
- On the i.MX6SX IOMUXC_GPR5 controlls: CSI2 mux, WDOG3 settings, PXP
handshake, ...
In conclusion: it can't be ensured that one register belongs to one
dedicated IP and the LDB is rather an exception than the rule.
Therefore remove the 'reg' and 'reg-names' property requirement.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml
index 7f380879fffdfef28d9a35d7fbf87fdf28377b43..828b7a40e9b6cf27f76d1cd3009505b03cbe09f1 100644
--- a/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml
@@ -68,7 +68,6 @@ required:
- compatible
- clocks
- ports
- - reg
allOf:
- if:
@@ -83,15 +82,6 @@ allOf:
ports:
properties:
port@2: false
- - if:
- not:
- properties:
- compatible:
- contains:
- const: fsl,imx6sx-ldb
- then:
- required:
- - reg-names
- if:
properties:
--
2.47.3
next prev parent reply other threads:[~2026-05-04 20:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-04 20:21 [PATCH 0/4] i.MX LDB DT cleanups Marco Felsch
2026-05-04 20:21 ` Marco Felsch [this message]
2026-05-04 21:44 ` Claude review: Revert "dt-bindings: display: bridge: ldb: Add check for reg and reg-names" Claude Code Review Bot
2026-05-04 20:21 ` [PATCH 2/4] Revert "dt-bindings: display: bridge: ldb: Fill in reg property" Marco Felsch
2026-05-04 21:44 ` Claude review: " Claude Code Review Bot
2026-05-04 20:21 ` [PATCH 3/4] ARM: dts: imx6sx: remove LDB reg property Marco Felsch
2026-05-04 21:44 ` Claude review: " Claude Code Review Bot
2026-05-04 20:21 ` [PATCH 4/4] arm64: dts: imx8mp: remove LDB reg and reg-names property Marco Felsch
2026-05-04 21:44 ` Claude review: " Claude Code Review Bot
2026-05-04 21:44 ` Claude review: i.MX LDB DT cleanups Claude Code Review Bot
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