linux-kernel - [PATCH v6 02/13] media: dt-bindings: video-interfaces: add defines for sampling modes

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Message-Id: <20240220-rk3568-vicap-v6-2-d2f5fbee1551@collabora.com>
Date: Wed, 30 Apr 2025 11:15:51 +0200
From: Michael Riesch via B4 Relay <devnull+michael.riesch.collabora.com@...nel.org>
To: Mehdi Djait <mehdi.djait@...ux.intel.com>, 
 Maxime Chevallier <maxime.chevallier@...tlin.com>, 
 Théo Lebrun <theo.lebrun@...tlin.com>, 
 Gerald Loacker <gerald.loacker@...fvision.net>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 Kever Yang <kever.yang@...k-chips.com>, 
 Nicolas Dufresne <nicolas.dufresne@...labora.com>, 
 Sebastian Reichel <sebastian.reichel@...labora.com>, 
 Collabora Kernel Team <kernel@...labora.com>, 
 Paul Kocialkowski <paulk@...-base.io>, 
 Alexander Shiyan <eagle.alexander923@...il.com>, 
 Val Packett <val@...kett.cool>, Rob Herring <robh@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, 
 Michael Riesch <michael.riesch@...fvision.net>, 
 Michael Riesch <michael.riesch@...labora.com>
Subject: [PATCH v6 02/13] media: dt-bindings: video-interfaces: add defines
 for sampling modes

From: Michael Riesch <michael.riesch@...fvision.net>

Add defines for the pixel clock sampling modes (rising edge, falling edge,
dual edge) for parallel video interfaces.
This avoids hardcoded constants in device tree sources.

Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
Signed-off-by: Michael Riesch <michael.riesch@...labora.com>
---
 include/dt-bindings/media/video-interfaces.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/dt-bindings/media/video-interfaces.h b/include/dt-bindings/media/video-interfaces.h
index 88b9d05d8075..0b19c9b2e627 100644
--- a/include/dt-bindings/media/video-interfaces.h
+++ b/include/dt-bindings/media/video-interfaces.h
@@ -20,4 +20,8 @@
 #define MEDIA_BUS_CSI2_CPHY_LINE_ORDER_CAB	4
 #define MEDIA_BUS_CSI2_CPHY_LINE_ORDER_CBA	5
 
+#define MEDIA_PCLK_SAMPLE_FALLING_EDGE		0
+#define MEDIA_PCLK_SAMPLE_RISING_EDGE		1
+#define MEDIA_PCLK_SAMPLE_DUAL_EDGE		2
+
 #endif /* __DT_BINDINGS_MEDIA_VIDEO_INTERFACES_H__ */

-- 
2.39.5