linux-kernel - [PATCH v3 1/7] media: dt-bindings: media: video-interfaces: add defines for sampling modes

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Message-Id: <20250206-v6-8-topic-rk3568-vicap-v3-1-69d1f19e5c40@wolfvision.net>
Date: Thu, 06 Feb 2025 10:57:39 +0100
From: Michael Riesch <michael.riesch@...fvision.net>
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 Fricke <sebastian.fricke@...labora.com>, 
 Sebastian Reichel <sebastian.reichel@...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>
Subject: [PATCH v3 1/7] media: dt-bindings: media: video-interfaces: add
 defines for sampling modes

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>
---
 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__ */

-- 
2.34.1